Merge tag 'libnvdimm-fixes-4.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel...
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Jul 2018 17:54:01 +0000 (10:54 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Jul 2018 17:54:01 +0000 (10:54 -0700)
Pull libnvdimm fixes from Dave Jiang:

 - ensure that a variable passed in by reference to acpi_nfit_ctl is
   always set to a value. An incremental patch is provided due to notice
   from testing in -next. The rest of the commits did not exhibit
   issues.

 - fix a return path in nsio_rw_bytes() that was not returning "bytes
   remain" as expected for the function.

 - address an issue where applications polling on scrub-completion for
   the NVDIMM may falsely wakeup and read the wrong state value and
   cause hang.

 - change the test unit persistent capability attribute to fix up a
   broken assumption in the unit test infrastructure wrt the
   'write_cache' attribute

 - ratelimit dev_info() in the dax device check_vma() function since
   this is easily triggered from userspace

* tag 'libnvdimm-fixes-4.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nfit: fix unchecked dereference in acpi_nfit_ctl
  acpi, nfit: Fix scrub idle detection
  tools/testing/nvdimm: advertise a write cache for nfit_test
  acpi/nfit: fix cmd_rc for acpi_nfit_ctl to always return a value
  dev-dax: check_vma: ratelimit dev_info-s
  libnvdimm, pmem: Fix memcpy_mcsafe() return code handling in nsio_rw_bytes()

714 files changed:
Documentation/admin-guide/kernel-parameters.txt
Documentation/admin-guide/pm/intel_pstate.rst
Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt [new file with mode: 0644]
Documentation/filesystems/Locking
Documentation/filesystems/vfs.txt
Documentation/kbuild/kconfig-language.txt
Documentation/networking/e100.rst
Documentation/networking/e1000.rst
Documentation/networking/strparser.txt
Documentation/usb/gadget_configfs.txt
MAINTAINERS
Makefile
arch/arm/Kconfig
arch/arm/boot/dts/am335x-bone-common.dtsi
arch/arm/boot/dts/am3517.dtsi
arch/arm/boot/dts/am437x-sk-evm.dts
arch/arm/boot/dts/armada-385-synology-ds116.dts
arch/arm/boot/dts/bcm-cygnus.dtsi
arch/arm/boot/dts/bcm-hr2.dtsi
arch/arm/boot/dts/bcm-nsp.dtsi
arch/arm/boot/dts/bcm5301x.dtsi
arch/arm/boot/dts/da850.dtsi
arch/arm/boot/dts/dra7.dtsi
arch/arm/boot/dts/imx51-zii-rdu1.dts
arch/arm/boot/dts/imx6q.dtsi
arch/arm/boot/dts/imx6sx.dtsi
arch/arm/boot/dts/socfpga.dtsi
arch/arm/boot/dts/socfpga_arria10.dtsi
arch/arm/common/Makefile
arch/arm/configs/imx_v4_v5_defconfig
arch/arm/configs/imx_v6_v7_defconfig
arch/arm/configs/multi_v7_defconfig
arch/arm/crypto/speck-neon-core.S
arch/arm/firmware/Makefile
arch/arm/mach-bcm/Kconfig
arch/arm/mach-davinci/board-da850-evm.c
arch/arm/mach-socfpga/Kconfig
arch/arm/net/bpf_jit_32.c
arch/arm64/Makefile
arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
arch/arm64/boot/dts/amlogic/meson-axg.dtsi
arch/arm64/boot/dts/amlogic/meson-gx.dtsi
arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi
arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts
arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts
arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi
arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
arch/arm64/boot/dts/marvell/armada-cp110.dtsi
arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
arch/arm64/boot/dts/qcom/msm8916.dtsi
arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts
arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts
arch/arm64/configs/defconfig
arch/arm64/include/asm/alternative.h
arch/arm64/include/asm/pgtable.h
arch/arm64/kernel/alternative.c
arch/arm64/kernel/module.c
arch/m68k/include/asm/mcf_pgalloc.h
arch/microblaze/Kconfig.debug
arch/microblaze/include/asm/setup.h
arch/microblaze/include/asm/unistd.h
arch/microblaze/include/uapi/asm/unistd.h
arch/microblaze/kernel/Makefile
arch/microblaze/kernel/heartbeat.c [deleted file]
arch/microblaze/kernel/platform.c [deleted file]
arch/microblaze/kernel/reset.c
arch/microblaze/kernel/syscall_table.S
arch/microblaze/kernel/timer.c
arch/mips/kernel/process.c
arch/mips/kernel/signal.c
arch/mips/kernel/traps.c
arch/mips/mm/ioremap.c
arch/openrisc/include/asm/pgalloc.h
arch/openrisc/kernel/entry.S
arch/openrisc/kernel/head.S
arch/openrisc/kernel/traps.c
arch/parisc/Kconfig
arch/parisc/Makefile
arch/parisc/include/asm/signal.h
arch/parisc/include/uapi/asm/unistd.h
arch/parisc/kernel/drivers.c
arch/parisc/kernel/syscall_table.S
arch/parisc/kernel/unwind.c
arch/powerpc/include/asm/book3s/32/pgalloc.h
arch/powerpc/include/asm/nohash/32/pgalloc.h
arch/powerpc/include/asm/systbl.h
arch/powerpc/include/asm/unistd.h
arch/powerpc/include/uapi/asm/unistd.h
arch/powerpc/kernel/pci_32.c
arch/powerpc/kernel/pci_64.c
arch/powerpc/kernel/rtas.c
arch/powerpc/kernel/signal_32.c
arch/powerpc/kernel/signal_64.c
arch/powerpc/kernel/syscalls.c
arch/powerpc/mm/subpage-prot.c
arch/powerpc/platforms/powermac/time.c
arch/riscv/Kconfig
arch/riscv/include/uapi/asm/elf.h
arch/riscv/kernel/irq.c
arch/riscv/kernel/module.c
arch/riscv/kernel/ptrace.c
arch/riscv/kernel/setup.c
arch/riscv/mm/init.c
arch/s390/Kconfig
arch/s390/kernel/compat_wrapper.c
arch/s390/kernel/entry.S
arch/s390/kernel/signal.c
arch/s390/kernel/syscalls/syscall.tbl
arch/s390/mm/pgalloc.c
arch/s390/net/bpf_jit_comp.c
arch/x86/crypto/aegis128-aesni-asm.S
arch/x86/crypto/aegis128l-aesni-asm.S
arch/x86/crypto/aegis256-aesni-asm.S
arch/x86/crypto/morus1280-avx2-asm.S
arch/x86/crypto/morus1280-sse2-asm.S
arch/x86/crypto/morus640-sse2-asm.S
arch/x86/entry/entry_32.S
arch/x86/entry/entry_64_compat.S
arch/x86/hyperv/hv_apic.c
arch/x86/hyperv/hv_init.c
arch/x86/include/asm/asm.h
arch/x86/include/asm/irqflags.h
arch/x86/include/asm/mshyperv.h
arch/x86/include/asm/pgalloc.h
arch/x86/include/asm/pgtable.h
arch/x86/include/asm/pgtable_64.h
arch/x86/kernel/Makefile
arch/x86/kernel/cpu/amd.c
arch/x86/kernel/cpu/bugs.c
arch/x86/kernel/cpu/mtrr/if.c
arch/x86/kernel/e820.c
arch/x86/kernel/irqflags.S [new file with mode: 0644]
arch/x86/kernel/smpboot.c
arch/x86/mm/fault.c
arch/x86/platform/efi/efi_64.c
block/blk-core.c
block/blk-mq.c
certs/blacklist.h
crypto/af_alg.c
crypto/algif_aead.c
crypto/algif_skcipher.c
crypto/asymmetric_keys/x509_cert_parser.c
drivers/acpi/acpica/hwsleep.c
drivers/acpi/acpica/uterror.c
drivers/acpi/battery.c
drivers/acpi/osl.c
drivers/acpi/pptt.c
drivers/ata/Kconfig
drivers/ata/ahci.c
drivers/ata/ahci_mvebu.c
drivers/ata/libahci.c
drivers/ata/libata-core.c
drivers/ata/libata-eh.c
drivers/ata/libata-scsi.c
drivers/ata/sata_fsl.c
drivers/ata/sata_nv.c
drivers/atm/iphase.c
drivers/atm/zatm.c
drivers/base/power/domain.c
drivers/block/drbd/drbd_req.c
drivers/block/drbd/drbd_worker.c
drivers/block/loop.c
drivers/bus/ti-sysc.c
drivers/char/ipmi/ipmi_si_intf.c
drivers/char/ipmi/kcs_bmc.c
drivers/char/random.c
drivers/clk/Makefile
drivers/clk/davinci/da8xx-cfgchip.c
drivers/clk/davinci/psc.h
drivers/clk/sunxi-ng/Makefile
drivers/cpufreq/qcom-cpufreq-kryo.c
drivers/dax/super.c
drivers/dma/k3dma.c
drivers/dma/pl330.c
drivers/dma/ti/omap-dma.c
drivers/fpga/altera-cvp.c
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
drivers/gpu/drm/amd/include/atomfirmware.h
drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c
drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c
drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h
drivers/gpu/drm/arm/malidp_drv.c
drivers/gpu/drm/arm/malidp_hw.c
drivers/gpu/drm/arm/malidp_planes.c
drivers/gpu/drm/bridge/sil-sii8620.c
drivers/gpu/drm/drm_property.c
drivers/gpu/drm/etnaviv/etnaviv_drv.c
drivers/gpu/drm/etnaviv/etnaviv_gpu.h
drivers/gpu/drm/etnaviv/etnaviv_sched.c
drivers/gpu/drm/exynos/exynos5433_drm_decon.c
drivers/gpu/drm/exynos/exynos_drm_drv.c
drivers/gpu/drm/exynos/exynos_drm_fb.c
drivers/gpu/drm/exynos/exynos_drm_fimc.c
drivers/gpu/drm/exynos/exynos_drm_gem.c
drivers/gpu/drm/exynos/exynos_drm_gsc.c
drivers/gpu/drm/exynos/exynos_drm_ipp.c
drivers/gpu/drm/exynos/exynos_drm_plane.c
drivers/gpu/drm/exynos/exynos_drm_rotator.c
drivers/gpu/drm/exynos/exynos_drm_scaler.c
drivers/gpu/drm/exynos/regs-gsc.h
drivers/gpu/drm/i915/gvt/display.c
drivers/gpu/drm/i915/gvt/gtt.c
drivers/gpu/drm/i915/gvt/gtt.h
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_vma.c
drivers/gpu/drm/meson/meson_drv.c
drivers/gpu/drm/udl/udl_fb.c
drivers/gpu/drm/udl/udl_transfer.c
drivers/hid/hid-core.c
drivers/hid/hid-debug.c
drivers/hid/i2c-hid/i2c-hid.c
drivers/hid/usbhid/hiddev.c
drivers/hid/wacom_wac.c
drivers/i2c/algos/i2c-algo-bit.c
drivers/i2c/busses/i2c-cht-wc.c
drivers/i2c/busses/i2c-gpio.c
drivers/i2c/i2c-core-smbus.c
drivers/iio/accel/mma8452.c
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
drivers/iio/light/tsl2772.c
drivers/iio/pressure/bmp280-core.c
drivers/infiniband/hw/mlx5/main.c
drivers/input/input-mt.c
drivers/input/joystick/xpad.c
drivers/input/keyboard/goldfish_events.c
drivers/input/misc/Kconfig
drivers/input/misc/Makefile
drivers/input/misc/sc27xx-vibra.c [new file with mode: 0644]
drivers/input/mouse/elan_i2c.h
drivers/input/mouse/elan_i2c_core.c
drivers/input/mouse/elan_i2c_smbus.c
drivers/input/mouse/elantech.c
drivers/input/mouse/psmouse-base.c
drivers/input/rmi4/Kconfig
drivers/input/rmi4/rmi_2d_sensor.c
drivers/input/rmi4/rmi_bus.c
drivers/input/rmi4/rmi_bus.h
drivers/input/rmi4/rmi_driver.c
drivers/input/rmi4/rmi_f01.c
drivers/input/rmi4/rmi_f03.c
drivers/input/rmi4/rmi_f11.c
drivers/input/rmi4/rmi_f12.c
drivers/input/rmi4/rmi_f30.c
drivers/input/rmi4/rmi_f34.c
drivers/input/rmi4/rmi_f54.c
drivers/input/touchscreen/silead.c
drivers/iommu/Kconfig
drivers/iommu/intel-iommu.c
drivers/isdn/mISDN/socket.c
drivers/md/dm-raid.c
drivers/md/dm-table.c
drivers/md/dm-thin-metadata.c
drivers/md/dm-thin.c
drivers/md/dm-writecache.c
drivers/md/dm-zoned-target.c
drivers/md/dm.c
drivers/md/md.c
drivers/md/raid10.c
drivers/media/rc/bpf-lirc.c
drivers/misc/ibmasm/ibmasmfs.c
drivers/misc/mei/interrupt.c
drivers/misc/vmw_balloon.c
drivers/mmc/core/slot-gpio.c
drivers/mmc/host/dw_mmc.c
drivers/mmc/host/renesas_sdhi_internal_dmac.c
drivers/mmc/host/sdhci-esdhc-imx.c
drivers/mmc/host/sunxi-mmc.c
drivers/mtd/chips/cfi_cmdset_0002.c
drivers/mtd/devices/mtd_dataflash.c
drivers/mtd/nand/raw/denali_dt.c
drivers/mtd/nand/raw/mxc_nand.c
drivers/mtd/nand/raw/nand_base.c
drivers/mtd/nand/raw/nand_macronix.c
drivers/mtd/nand/raw/nand_micron.c
drivers/mtd/spi-nor/cadence-quadspi.c
drivers/net/ethernet/amd/Kconfig
drivers/net/ethernet/apm/xgene-v2/Kconfig
drivers/net/ethernet/apm/xgene/Kconfig
drivers/net/ethernet/arc/Kconfig
drivers/net/ethernet/atheros/alx/main.c
drivers/net/ethernet/broadcom/Kconfig
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
drivers/net/ethernet/broadcom/cnic.c
drivers/net/ethernet/cadence/macb_main.c
drivers/net/ethernet/cadence/macb_ptp.c
drivers/net/ethernet/calxeda/Kconfig
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
drivers/net/ethernet/freescale/fman/fman_port.c
drivers/net/ethernet/hisilicon/Kconfig
drivers/net/ethernet/huawei/hinic/hinic_rx.c
drivers/net/ethernet/intel/i40e/i40e_txrx.c
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
drivers/net/ethernet/marvell/Kconfig
drivers/net/ethernet/marvell/mvneta.c
drivers/net/ethernet/mellanox/mlx5/core/cmd.c
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
drivers/net/ethernet/mellanox/mlx5/core/fw.c
drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
drivers/net/ethernet/mellanox/mlx5/core/port.c
drivers/net/ethernet/mellanox/mlx5/core/sriov.c
drivers/net/ethernet/mellanox/mlx5/core/vport.c
drivers/net/ethernet/mellanox/mlxsw/Kconfig
drivers/net/ethernet/mscc/ocelot.c
drivers/net/ethernet/netronome/nfp/bpf/main.c
drivers/net/ethernet/netronome/nfp/flower/match.c
drivers/net/ethernet/netronome/nfp/flower/offload.c
drivers/net/ethernet/netronome/nfp/nfp_main.c
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.c
drivers/net/ethernet/qlogic/qed/qed_dcbx.c
drivers/net/ethernet/qlogic/qed/qed_dev.c
drivers/net/ethernet/qlogic/qed/qed_main.c
drivers/net/ethernet/qlogic/qed/qed_sriov.c
drivers/net/ethernet/qlogic/qede/qede_ptp.c
drivers/net/ethernet/realtek/r8169.c
drivers/net/ethernet/renesas/Kconfig
drivers/net/ethernet/sfc/efx.c
drivers/net/ethernet/sfc/farch.c
drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h
drivers/net/ethernet/stmicro/stmmac/hwif.h
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
drivers/net/ethernet/ti/davinci_cpdma.c
drivers/net/ethernet/ti/davinci_emac.c
drivers/net/geneve.c
drivers/net/hyperv/hyperv_net.h
drivers/net/hyperv/netvsc.c
drivers/net/hyperv/netvsc_drv.c
drivers/net/hyperv/rndis_filter.c
drivers/net/ipvlan/ipvlan_main.c
drivers/net/phy/dp83tc811.c
drivers/net/ppp/pppoe.c
drivers/net/usb/lan78xx.c
drivers/net/usb/qmi_wwan.c
drivers/net/usb/r8152.c
drivers/net/virtio_net.c
drivers/net/vxlan.c
drivers/net/wireless/broadcom/brcm80211/Kconfig
drivers/net/wireless/quantenna/qtnfmac/Kconfig
drivers/net/xen-netfront.c
drivers/nfc/pn533/usb.c
drivers/nvdimm/pmem.c
drivers/nvme/host/rdma.c
drivers/nvmem/core.c
drivers/pci/Makefile
drivers/pci/controller/Kconfig
drivers/pci/controller/dwc/Kconfig
drivers/pci/controller/pci-ftpci100.c
drivers/pci/controller/pcie-rcar.c
drivers/pci/controller/pcie-xilinx-nwl.c
drivers/pci/controller/pcie-xilinx.c
drivers/pci/endpoint/pci-epf-core.c
drivers/pci/hotplug/acpi_pcihp.c
drivers/pci/iov.c
drivers/pci/pci-acpi.c
drivers/pci/pci-driver.c
drivers/pci/pci.h
drivers/perf/xgene_pmu.c
drivers/s390/block/dasd.c
drivers/s390/block/dasd_int.h
drivers/s390/net/qeth_core.h
drivers/s390/net/qeth_core_main.c
drivers/s390/net/qeth_l2_main.c
drivers/s390/net/qeth_l3_main.c
drivers/scsi/aacraid/aachba.c
drivers/scsi/ipr.c
drivers/scsi/qla2xxx/qla_target.c
drivers/scsi/scsi_debug.c
drivers/scsi/sg.c
drivers/soc/imx/gpcv2.c
drivers/soc/qcom/Kconfig
drivers/soc/renesas/rcar-sysc.c
drivers/staging/android/ion/ion_heap.c
drivers/staging/comedi/drivers/quatech_daqp_cs.c
drivers/staging/rtl8723bs/core/rtw_ap.c
drivers/staging/rtlwifi/rtl8822be/hw.c
drivers/staging/rtlwifi/wifi.h
drivers/staging/typec/Kconfig
drivers/target/target_core_pr.c
drivers/target/target_core_user.c
drivers/thunderbolt/domain.c
drivers/tty/n_tty.c
drivers/tty/serdev/core.c
drivers/tty/serial/8250/8250_pci.c
drivers/tty/vt/vt.c
drivers/uio/uio.c
drivers/usb/chipidea/host.c
drivers/usb/class/cdc-acm.c
drivers/usb/core/quirks.c
drivers/usb/dwc2/core.h
drivers/usb/dwc2/gadget.c
drivers/usb/dwc2/hcd.c
drivers/usb/dwc2/hcd.h
drivers/usb/dwc2/hcd_intr.c
drivers/usb/dwc2/hcd_queue.c
drivers/usb/dwc3/core.c
drivers/usb/dwc3/dwc3-of-simple.c
drivers/usb/dwc3/dwc3-pci.c
drivers/usb/dwc3/dwc3-qcom.c
drivers/usb/gadget/composite.c
drivers/usb/gadget/function/f_fs.c
drivers/usb/gadget/udc/aspeed-vhub/Kconfig
drivers/usb/host/xhci-dbgcap.c
drivers/usb/host/xhci-mem.c
drivers/usb/host/xhci-tegra.c
drivers/usb/host/xhci-trace.h
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/misc/yurex.c
drivers/usb/serial/ch341.c
drivers/usb/serial/cp210x.c
drivers/usb/serial/keyspan_pda.c
drivers/usb/serial/mos7840.c
drivers/usb/typec/tcpm.c
drivers/usb/typec/ucsi/ucsi.c
drivers/usb/typec/ucsi/ucsi_acpi.c
drivers/vfio/pci/Kconfig
drivers/vfio/vfio_iommu_type1.c
drivers/vhost/net.c
fs/aio.c
fs/autofs/Makefile
fs/autofs/init.c
fs/btrfs/extent_io.c
fs/btrfs/inode.c
fs/btrfs/ioctl.c
fs/btrfs/qgroup.c
fs/ceph/inode.c
fs/cifs/cifsglob.h
fs/cifs/cifsproto.h
fs/cifs/cifssmb.c
fs/cifs/connect.c
fs/cifs/smb1ops.c
fs/cifs/smb2file.c
fs/cifs/smb2ops.c
fs/cifs/smb2pdu.c
fs/cifs/smb2pdu.h
fs/cifs/smb2proto.h
fs/cifs/smb2transport.c
fs/cifs/smbdirect.c
fs/cifs/smbdirect.h
fs/cifs/transport.c
fs/eventfd.c
fs/eventpoll.c
fs/ext4/balloc.c
fs/ext4/ext4.h
fs/ext4/ext4_extents.h
fs/ext4/extents.c
fs/ext4/ialloc.c
fs/ext4/inline.c
fs/ext4/inode.c
fs/ext4/mballoc.c
fs/ext4/super.c
fs/ext4/xattr.c
fs/inode.c
fs/jbd2/transaction.c
fs/pipe.c
fs/proc/generic.c
fs/select.c
fs/timerfd.c
fs/userfaultfd.c
fs/xfs/libxfs/xfs_ag_resv.c
fs/xfs/libxfs/xfs_bmap.c
fs/xfs/libxfs/xfs_bmap.h
fs/xfs/libxfs/xfs_format.h
fs/xfs/libxfs/xfs_inode_buf.c
fs/xfs/libxfs/xfs_rtbitmap.c
fs/xfs/xfs_bmap_util.c
fs/xfs/xfs_fsmap.c
fs/xfs/xfs_fsops.c
fs/xfs/xfs_inode.c
fs/xfs/xfs_iomap.c
fs/xfs/xfs_trans.c
include/crypto/if_alg.h
include/dt-bindings/clock/imx6ul-clock.h
include/linux/acpi.h
include/linux/blkdev.h
include/linux/bpf-cgroup.h
include/linux/bpf.h
include/linux/bpf_lirc.h
include/linux/compat.h
include/linux/compiler-gcc.h
include/linux/compiler_types.h
include/linux/dax.h
include/linux/filter.h
include/linux/fs.h
include/linux/ftrace.h
include/linux/hid.h
include/linux/iio/buffer-dma.h
include/linux/input/mt.h
include/linux/kthread.h
include/linux/libata.h
include/linux/mlx5/eswitch.h
include/linux/mlx5/mlx5_ifc.h
include/linux/net.h
include/linux/netdevice.h
include/linux/pm_domain.h
include/linux/poll.h
include/linux/rmi.h
include/linux/scatterlist.h
include/linux/sched.h
include/linux/skbuff.h
include/linux/slub_def.h
include/linux/syscalls.h
include/linux/uio_driver.h
include/net/bluetooth/bluetooth.h
include/net/iucv/af_iucv.h
include/net/net_namespace.h
include/net/netns/ipv6.h
include/net/pkt_cls.h
include/net/sctp/sctp.h
include/net/tcp.h
include/net/tls.h
include/net/udp.h
include/uapi/linux/aio_abi.h
include/uapi/linux/bpf.h
include/uapi/linux/target_core_user.h
init/Kconfig
kernel/bpf/cgroup.c
kernel/bpf/core.c
kernel/bpf/sockmap.c
kernel/bpf/syscall.c
kernel/dma/swiotlb.c
kernel/events/core.c
kernel/kthread.c
kernel/sched/core.c
kernel/sched/cpufreq_schedutil.c
kernel/sched/fair.c
kernel/sched/rt.c
kernel/sched/sched.h
kernel/trace/ftrace.c
kernel/trace/trace.c
kernel/trace/trace.h
kernel/trace/trace_events_filter.c
kernel/trace/trace_events_hist.c
kernel/trace/trace_functions_graph.c
kernel/trace/trace_kprobe.c
lib/Kconfig.kasan
lib/percpu_ida.c
lib/scatterlist.c
lib/test_bpf.c
lib/test_printf.c
mm/debug.c
mm/hugetlb.c
mm/kasan/kasan.c
mm/slab_common.c
mm/slub.c
mm/vmstat.c
net/8021q/vlan.c
net/Makefile
net/appletalk/ddp.c
net/atm/common.c
net/atm/common.h
net/atm/pvc.c
net/atm/svc.c
net/ax25/af_ax25.c
net/bluetooth/af_bluetooth.c
net/bluetooth/hci_sock.c
net/bluetooth/l2cap_sock.c
net/bluetooth/rfcomm/sock.c
net/bluetooth/sco.c
net/bpfilter/Kconfig
net/bpfilter/Makefile
net/bpfilter/bpfilter_kern.c
net/bpfilter/bpfilter_umh_blob.S [new file with mode: 0644]
net/caif/caif_socket.c
net/can/bcm.c
net/can/raw.c
net/core/datagram.c
net/core/dev_ioctl.c
net/core/fib_rules.c
net/core/filter.c
net/core/skbuff.c
net/core/sock.c
net/dccp/ccids/ccid3.c
net/dccp/dccp.h
net/dccp/ipv4.c
net/dccp/ipv6.c
net/dccp/proto.c
net/decnet/af_decnet.c
net/ieee802154/socket.c
net/ipv4/af_inet.c
net/ipv4/fou.c
net/ipv4/gre_offload.c
net/ipv4/sysctl_net_ipv4.c
net/ipv4/tcp.c
net/ipv4/tcp_input.c
net/ipv4/udp.c
net/ipv4/udp_offload.c
net/ipv6/addrconf.c
net/ipv6/af_inet6.c
net/ipv6/mcast.c
net/ipv6/netfilter/nf_conntrack_reasm.c
net/ipv6/raw.c
net/ipv6/seg6_hmac.c
net/iucv/af_iucv.c
net/kcm/kcmsock.c
net/key/af_key.c
net/l2tp/l2tp_ip.c
net/l2tp/l2tp_ip6.c
net/l2tp/l2tp_ppp.c
net/llc/af_llc.c
net/mac80211/tx.c
net/netfilter/nf_conncount.c
net/netfilter/nf_conntrack_helper.c
net/netfilter/nf_log.c
net/netfilter/nfnetlink_queue.c
net/netlink/af_netlink.c
net/netrom/af_netrom.c
net/nfc/llcp_sock.c
net/nfc/rawsock.c
net/packet/af_packet.c
net/phonet/socket.c
net/qrtr/qrtr.c
net/rds/connection.c
net/rds/loop.c
net/rds/loop.h
net/rose/af_rose.c
net/rxrpc/af_rxrpc.c
net/sched/cls_flower.c
net/sched/sch_hfsc.c
net/sctp/chunk.c
net/sctp/ipv6.c
net/sctp/protocol.c
net/sctp/socket.c
net/smc/af_smc.c
net/smc/smc.h
net/socket.c
net/strparser/strparser.c
net/tipc/socket.c
net/tls/tls_main.c
net/tls/tls_sw.c
net/unix/af_unix.c
net/vmw_vsock/af_vsock.c
net/vmw_vsock/virtio_transport.c
net/wireless/nl80211.c
net/x25/af_x25.c
net/xdp/xsk.c
samples/bpf/xdp_fwd_kern.c
samples/vfio-mdev/mbochs.c
scripts/cc-can-link.sh
scripts/checkpatch.pl
scripts/gcc-x86_64-has-stack-protector.sh
scripts/kconfig/expr.h
scripts/kconfig/preprocess.c
scripts/kconfig/zconf.y
security/keys/dh.c
security/selinux/selinuxfs.c
security/smack/smack_lsm.c
sound/core/seq/seq_clientmgr.c
sound/core/timer.c
sound/pci/hda/hda_codec.c
sound/pci/hda/hda_codec.h
sound/pci/hda/patch_ca0132.c
sound/pci/hda/patch_hdmi.c
sound/pci/hda/patch_realtek.c
sound/pci/lx6464es/lx6464es.c
tools/arch/arm/include/uapi/asm/kvm.h
tools/arch/arm64/include/uapi/asm/kvm.h
tools/arch/powerpc/include/uapi/asm/kvm.h
tools/arch/powerpc/include/uapi/asm/unistd.h
tools/arch/x86/include/asm/cpufeatures.h
tools/bpf/bpftool/prog.c
tools/include/uapi/drm/drm.h
tools/include/uapi/linux/bpf.h
tools/include/uapi/linux/if_link.h
tools/include/uapi/linux/kvm.h
tools/objtool/elf.c
tools/perf/arch/powerpc/util/skip-callchain-idx.c
tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
tools/perf/bench/numa.c
tools/perf/builtin-annotate.c
tools/perf/builtin-report.c
tools/perf/builtin-script.c
tools/perf/tests/parse-events.c
tools/perf/tests/topology.c
tools/perf/util/c++/clang.cpp
tools/perf/util/header.c
tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
tools/perf/util/pmu.c
tools/testing/selftests/bpf/config
tools/testing/selftests/bpf/test_kmod.sh
tools/testing/selftests/bpf/test_lirc_mode2.sh
tools/testing/selftests/bpf/test_lwt_seg6local.sh
tools/testing/selftests/bpf/test_sockmap.c
tools/testing/selftests/net/.gitignore
tools/testing/selftests/net/config
tools/testing/selftests/net/fib_tests.sh [changed mode: 0644->0755]
tools/testing/selftests/x86/sigreturn.c
tools/virtio/linux/scatterlist.h

index efc7aa7a067099f6bacdb860cde13f2d876030a8..533ff5c68970aef7b71e976941e8b305f250f2d5 100644 (file)
        xirc2ps_cs=     [NET,PCMCIA]
                        Format:
                        <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]
+
+       xhci-hcd.quirks         [USB,KNL]
+                       A hex value specifying bitmask with supplemental xhci
+                       host controller quirks. Meaning of each bit can be
+                       consulted in header drivers/usb/host/xhci.h.
index 8b9164990956743da612f2c968a191864dfc4c81..8f1d3de449b53fedcc78d1aee506e6882f2be90c 100644 (file)
@@ -324,8 +324,7 @@ Global Attributes
 
 ``intel_pstate`` exposes several global attributes (files) in ``sysfs`` to
 control its functionality at the system level.  They are located in the
-``/sys/devices/system/cpu/cpufreq/intel_pstate/`` directory and affect all
-CPUs.
+``/sys/devices/system/cpu/intel_pstate/`` directory and affect all CPUs.
 
 Some of them are not present if the ``intel_pstate=per_cpu_perf_limits``
 argument is passed to the kernel in the command line.
@@ -379,6 +378,17 @@ argument is passed to the kernel in the command line.
        but it affects the maximum possible value of per-policy P-state limits
        (see `Interpretation of Policy Attributes`_ below for details).
 
+``hwp_dynamic_boost``
+       This attribute is only present if ``intel_pstate`` works in the
+       `active mode with the HWP feature enabled <Active Mode With HWP_>`_ in
+       the processor.  If set (equal to 1), it causes the minimum P-state limit
+       to be increased dynamically for a short time whenever a task previously
+       waiting on I/O is selected to run on a given logical CPU (the purpose
+       of this mechanism is to improve performance).
+
+       This setting has no effect on logical CPUs whose minimum P-state limit
+       is directly set to the highest non-turbo P-state or above it.
+
 .. _status_attr:
 
 ``status``
diff --git a/Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt b/Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt
new file mode 100644 (file)
index 0000000..f2ec0d4
--- /dev/null
@@ -0,0 +1,23 @@
+Spreadtrum SC27xx PMIC Vibrator
+
+Required properties:
+- compatible: should be "sprd,sc2731-vibrator".
+- reg: address of vibrator control register.
+
+Example :
+
+       sc2731_pmic: pmic@0 {
+               compatible = "sprd,sc2731";
+               reg = <0>;
+               spi-max-frequency = <26000000>;
+               interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               vibrator@eb4 {
+                       compatible = "sprd,sc2731-vibrator";
+                       reg = <0xeb4>;
+               };
+       };
index 2c391338c6757f505eac6dfcbe98a169452ad305..37bf0a9de75cbe79794e653ff161e4a5eb37a97a 100644 (file)
@@ -441,8 +441,6 @@ prototypes:
        int (*iterate) (struct file *, struct dir_context *);
        int (*iterate_shared) (struct file *, struct dir_context *);
        __poll_t (*poll) (struct file *, struct poll_table_struct *);
-       struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
-       __poll_t (*poll_mask) (struct file *, __poll_t);
        long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
        long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
        int (*mmap) (struct file *, struct vm_area_struct *);
@@ -473,7 +471,7 @@ prototypes:
 };
 
 locking rules:
-       All except for ->poll_mask may block.
+       All may block.
 
 ->llseek() locking has moved from llseek to the individual llseek
 implementations.  If your fs is not using generic_file_llseek, you
@@ -505,9 +503,6 @@ in sys_read() and friends.
 the lease within the individual filesystem to record the result of the
 operation
 
-->poll_mask can be called with or without the waitqueue lock for the waitqueue
-returned from ->get_poll_head.
-
 --------------------------- dquot_operations -------------------------------
 prototypes:
        int (*write_dquot) (struct dquot *);
index 829a7b7857a46904cfb7f02646212504a3a7f259..f608180ad59d71ab2bcc2d2d818699bfaaee1470 100644 (file)
@@ -857,8 +857,6 @@ struct file_operations {
        ssize_t (*write_iter) (struct kiocb *, struct iov_iter *);
        int (*iterate) (struct file *, struct dir_context *);
        __poll_t (*poll) (struct file *, struct poll_table_struct *);
-       struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
-       __poll_t (*poll_mask) (struct file *, __poll_t);
        long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
        long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
        int (*mmap) (struct file *, struct vm_area_struct *);
@@ -903,17 +901,6 @@ otherwise noted.
        activity on this file and (optionally) go to sleep until there
        is activity. Called by the select(2) and poll(2) system calls
 
-  get_poll_head: Returns the struct wait_queue_head that callers can
-  wait on.  Callers need to check the returned events using ->poll_mask
-  once woken.  Can return NULL to indicate polling is not supported,
-  or any error code using the ERR_PTR convention to indicate that a
-  grave error occured and ->poll_mask shall not be called.
-
-  poll_mask: return the mask of EPOLL* values describing the file descriptor
-  state.  Called either before going to sleep on the waitqueue returned by
-  get_poll_head, or after it has been woken.  If ->get_poll_head and
-  ->poll_mask are implemented ->poll does not need to be implement.
-
   unlocked_ioctl: called by the ioctl(2) system call.
 
   compat_ioctl: called by the ioctl(2) system call when 32 bit system calls
index 3534a84d206caf324423a9422eb985b48c97813b..64e0775a62d4475ec378d033332b5099987954ff 100644 (file)
@@ -430,6 +430,12 @@ This sets the config program's title bar if the config program chooses
 to use it. It should be placed at the top of the configuration, before any
 other statement.
 
+'#' Kconfig source file comment:
+
+An unquoted '#' character anywhere in a source file line indicates
+the beginning of a source file comment.  The remainder of that line
+is a comment.
+
 
 Kconfig hints
 -------------
index d4d8370279254472ed812488ea61d4e3bd64651b..9708f5fa76de2deae7ddf562e757c3d9c4e90079 100644 (file)
@@ -1,3 +1,4 @@
+==============================================================
 Linux* Base Driver for the Intel(R) PRO/100 Family of Adapters
 ==============================================================
 
@@ -86,83 +87,84 @@ Event Log Message Level:  The driver uses the message level flag to log events
 Additional Configurations
 =========================
 
-  Configuring the Driver on Different Distributions
-  -------------------------------------------------
+Configuring the Driver on Different Distributions
+-------------------------------------------------
 
-  Configuring a network driver to load properly when the system is started is
-  distribution dependent. Typically, the configuration process involves adding
-  an alias line to /etc/modprobe.d/*.conf as well as editing other system
-  startup scripts and/or configuration files.  Many popular Linux
-  distributions ship with tools to make these changes for you. To learn the
-  proper way to configure a network device for your system, refer to your
-  distribution documentation.  If during this process you are asked for the
-  driver or module name, the name for the Linux Base Driver for the Intel
-  PRO/100 Family of Adapters is e100.
+Configuring a network driver to load properly when the system is started
+is distribution dependent.  Typically, the configuration process involves
+adding an alias line to /etc/modprobe.d/*.conf as well as editing other
+system startup scripts and/or configuration files.  Many popular Linux
+distributions ship with tools to make these changes for you.  To learn
+the proper way to configure a network device for your system, refer to
+your distribution documentation.  If during this process you are asked
+for the driver or module name, the name for the Linux Base Driver for
+the Intel PRO/100 Family of Adapters is e100.
 
-  As an example, if you install the e100 driver for two PRO/100 adapters
-  (eth0 and eth1), add the following to a configuration file in /etc/modprobe.d/
+As an example, if you install the e100 driver for two PRO/100 adapters
+(eth0 and eth1), add the following to a configuration file in
+/etc/modprobe.d/::
 
        alias eth0 e100
        alias eth1 e100
 
-  Viewing Link Messages
-  ---------------------
-  In order to see link messages and other Intel driver information on your
-  console, you must set the dmesg level up to six. This can be done by
-  entering the following on the command line before loading the e100 driver::
-
-       dmesg -n 6
+Viewing Link Messages
+---------------------
 
-  If you wish to see all messages issued by the driver, including debug
-  messages, set the dmesg level to eight.
+In order to see link messages and other Intel driver information on your
+console, you must set the dmesg level up to six.  This can be done by
+entering the following on the command line before loading the e100
+driver::
 
-  NOTE: This setting is not saved across reboots.
+       dmesg -n 6
 
+If you wish to see all messages issued by the driver, including debug
+messages, set the dmesg level to eight.
 
-  ethtool
-  -------
+NOTE: This setting is not saved across reboots.
 
-  The driver utilizes the ethtool interface for driver configuration and
-  diagnostics, as well as displaying statistical information.  The ethtool
-  version 1.6 or later is required for this functionality.
+ethtool
+-------
 
-  The latest release of ethtool can be found from
-  https://www.kernel.org/pub/software/network/ethtool/
+The driver utilizes the ethtool interface for driver configuration and
+diagnostics, as well as displaying statistical information.  The ethtool
+version 1.6 or later is required for this functionality.
 
-  Enabling Wake on LAN* (WoL)
-  ---------------------------
-  WoL is provided through the ethtool* utility.  For instructions on enabling
-  WoL with ethtool, refer to the ethtool man page.
+The latest release of ethtool can be found from
+https://www.kernel.org/pub/software/network/ethtool/
 
-  WoL will be enabled on the system during the next shut down or reboot. For
-  this driver version, in order to enable WoL, the e100 driver must be
-  loaded when shutting down or rebooting the system.
+Enabling Wake on LAN* (WoL)
+---------------------------
+WoL is provided through the ethtool* utility.  For instructions on
+enabling WoL with ethtool, refer to the ethtool man page.  WoL will be
+enabled on the system during the next shut down or reboot.  For this
+driver version, in order to enable WoL, the e100 driver must be loaded
+when shutting down or rebooting the system.
 
-  NAPI
-  ----
+NAPI
+----
 
-  NAPI (Rx polling mode) is supported in the e100 driver.
+NAPI (Rx polling mode) is supported in the e100 driver.
 
-  See https://wiki.linuxfoundation.org/networking/napi for more information
-  on NAPI.
+See https://wiki.linuxfoundation.org/networking/napi for more
+information on NAPI.
 
-  Multiple Interfaces on Same Ethernet Broadcast Network
-  ------------------------------------------------------
+Multiple Interfaces on Same Ethernet Broadcast Network
+------------------------------------------------------
 
-  Due to the default ARP behavior on Linux, it is not possible to have
-  one system on two IP networks in the same Ethernet broadcast domain
-  (non-partitioned switch) behave as expected. All Ethernet interfaces
-  will respond to IP traffic for any IP address assigned to the system.
-  This results in unbalanced receive traffic.
+Due to the default ARP behavior on Linux, it is not possible to have one
+system on two IP networks in the same Ethernet broadcast domain
+(non-partitioned switch) behave as expected.  All Ethernet interfaces
+will respond to IP traffic for any IP address assigned to the system.
+This results in unbalanced receive traffic.
 
-  If you have multiple interfaces in a server, either turn on ARP
-  filtering by
+If you have multiple interfaces in a server, either turn on ARP
+filtering by
 
-  (1) entering:: echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter
-      (this only works if your kernel's version is higher than 2.4.5), or
+(1) entering:: echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter
+    (this only works if your kernel's version is higher than 2.4.5), or
 
-  (2) installing the interfaces in separate broadcast domains (either
-      in different switches or in a switch partitioned to VLANs).
+(2) installing the interfaces in separate broadcast domains (either
+    in different switches or in a switch partitioned to VLANs).
 
 
 Support
index 616848940e63f7303633e0be67febc86bee6ac6f..144b87eef15341059b06655dcc1b0b65c5822b2a 100644 (file)
@@ -1,3 +1,4 @@
+===========================================================
 Linux* Base Driver for Intel(R) Ethernet Network Connection
 ===========================================================
 
@@ -354,57 +355,58 @@ previously mentioned to force the adapter to the same speed and duplex.
 Additional Configurations
 =========================
 
-  Jumbo Frames
-  ------------
-  Jumbo Frames support is enabled by changing the MTU to a value larger than
-  the default of 1500.  Use the ifconfig command to increase the MTU size.
-  For example::
+Jumbo Frames
+------------
+Jumbo Frames support is enabled by changing the MTU to a value larger
+than the default of 1500.  Use the ifconfig command to increase the MTU
+size.  For example::
 
        ifconfig eth<x> mtu 9000 up
 
-  This setting is not saved across reboots.  It can be made permanent if
-  you add::
+This setting is not saved across reboots.  It can be made permanent if
+you add::
 
        MTU=9000
 
-   to the file /etc/sysconfig/network-scripts/ifcfg-eth<x>.  This example
-   applies to the Red Hat distributions; other distributions may store this
-   setting in a different location.
+to the file /etc/sysconfig/network-scripts/ifcfg-eth<x>.  This example
+applies to the Red Hat distributions; other distributions may store this
+setting in a different location.
+
+Notes: Degradation in throughput performance may be observed in some
+Jumbo frames environments.  If this is observed, increasing the
+application's socket buffer size and/or increasing the
+/proc/sys/net/ipv4/tcp_*mem entry values may help.  See the specific
+application manual and /usr/src/linux*/Documentation/
+networking/ip-sysctl.txt for more details.
 
-  Notes:
-  Degradation in throughput performance may be observed in some Jumbo frames
-  environments. If this is observed, increasing the application's socket buffer
-  size and/or increasing the /proc/sys/net/ipv4/tcp_*mem entry values may help.
-  See the specific application manual and /usr/src/linux*/Documentation/
-  networking/ip-sysctl.txt for more details.
+- The maximum MTU setting for Jumbo Frames is 16110.  This value
+  coincides with the maximum Jumbo Frames size of 16128.
 
-  - The maximum MTU setting for Jumbo Frames is 16110.  This value coincides
-    with the maximum Jumbo Frames size of 16128.
+- Using Jumbo frames at 10 or 100 Mbps is not supported and may result
+  in poor performance or loss of link.
 
-  - Using Jumbo frames at 10 or 100 Mbps is not supported and may result in
-    poor performance or loss of link.
+- Adapters based on the Intel(R) 82542 and 82573V/E controller do not
+  support Jumbo Frames.  These correspond to the following product names:
+  Intel(R) PRO/1000 Gigabit Server Adapter Intel(R) PRO/1000 PM Network
+  Connection
 
-  - Adapters based on the Intel(R) 82542 and 82573V/E controller do not
-    support Jumbo Frames. These correspond to the following product names:
-     Intel(R) PRO/1000 Gigabit Server Adapter
-     Intel(R) PRO/1000 PM Network Connection
+ethtool
+-------
+The driver utilizes the ethtool interface for driver configuration and
+diagnostics, as well as displaying statistical information.  The ethtool
+version 1.6 or later is required for this functionality.
 
-  ethtool
-  -------
-  The driver utilizes the ethtool interface for driver configuration and
-  diagnostics, as well as displaying statistical information.  The ethtool
-  version 1.6 or later is required for this functionality.
+The latest release of ethtool can be found from
+https://www.kernel.org/pub/software/network/ethtool/
 
-  The latest release of ethtool can be found from
-  https://www.kernel.org/pub/software/network/ethtool/
+Enabling Wake on LAN* (WoL)
+---------------------------
+WoL is configured through the ethtool* utility.
 
-  Enabling Wake on LAN* (WoL)
-  ---------------------------
-  WoL is configured through the ethtool* utility.
+WoL will be enabled on the system during the next shut down or reboot.
+For this driver version, in order to enable WoL, the e1000 driver must be
+loaded when shutting down or rebooting the system.
 
-  WoL will be enabled on the system during the next shut down or reboot.
-  For this driver version, in order to enable WoL, the e1000 driver must be
-  loaded when shutting down or rebooting the system.
 
 Support
 =======
index 13081b3decefa834824b544182d0986e83bc50b4..a7d354ddda7baeb59760215cb41222e3b4698a8d 100644 (file)
@@ -48,7 +48,7 @@ void strp_pause(struct strparser *strp)
      Temporarily pause a stream parser. Message parsing is suspended
      and no new messages are delivered to the upper layer.
 
-void strp_pause(struct strparser *strp)
+void strp_unpause(struct strparser *strp)
 
      Unpause a paused stream parser.
 
index 635e57493709e16fbecc0235723dc742a608ae0e..b8cb38a98c1989eef926795b79b7399d65700135 100644 (file)
@@ -226,7 +226,7 @@ $ rm configs/<config name>.<number>/<function>
 where <config name>.<number> specify the configuration and <function> is
 a symlink to a function being removed from the configuration, e.g.:
 
-$ rm configfs/c.1/ncm.usb0
+$ rm configs/c.1/ncm.usb0
 
 ...
 ...
index 6cfd16790adda05a80c60c4e337a4f19f375e9c2..192d7f73fd017255d0697bad499244655463b366 100644 (file)
@@ -581,7 +581,7 @@ W:  https://www.infradead.org/~dhowells/kafs/
 
 AGPGART DRIVER
 M:     David Airlie <airlied@linux.ie>
-T:     git git://people.freedesktop.org/~airlied/linux (part of drm maint)
+T:     git git://anongit.freedesktop.org/drm/drm
 S:     Maintained
 F:     drivers/char/agp/
 F:     include/linux/agp*
@@ -2971,9 +2971,13 @@ N:       bcm585*
 N:     bcm586*
 N:     bcm88312
 N:     hr2
-F:     arch/arm64/boot/dts/broadcom/ns2*
+N:     stingray
+F:     arch/arm64/boot/dts/broadcom/northstar2/*
+F:     arch/arm64/boot/dts/broadcom/stingray/*
 F:     drivers/clk/bcm/clk-ns*
+F:     drivers/clk/bcm/clk-sr*
 F:     drivers/pinctrl/bcm/pinctrl-ns*
+F:     include/dt-bindings/clock/bcm-sr*
 
 BROADCOM KONA GPIO DRIVER
 M:     Ray Jui <rjui@broadcom.com>
@@ -4456,6 +4460,7 @@ F:        Documentation/blockdev/drbd/
 
 DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
 M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+R:     "Rafael J. Wysocki" <rafael@kernel.org>
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
 S:     Supported
 F:     Documentation/kobject.txt
@@ -4626,7 +4631,7 @@ F:        include/uapi/drm/vmwgfx_drm.h
 DRM DRIVERS
 M:     David Airlie <airlied@linux.ie>
 L:     dri-devel@lists.freedesktop.org
-T:     git git://people.freedesktop.org/~airlied/linux
+T:     git git://anongit.freedesktop.org/drm/drm
 B:     https://bugs.freedesktop.org/
 C:     irc://chat.freenode.net/dri-devel
 S:     Maintained
@@ -5669,7 +5674,7 @@ F:        drivers/crypto/caam/
 F:     Documentation/devicetree/bindings/crypto/fsl-sec4.txt
 
 FREESCALE DIU FRAMEBUFFER DRIVER
-M:     Timur Tabi <timur@tabi.org>
+M:     Timur Tabi <timur@kernel.org>
 L:     linux-fbdev@vger.kernel.org
 S:     Maintained
 F:     drivers/video/fbdev/fsl-diu-fb.*
@@ -5769,7 +5774,7 @@ S:        Maintained
 F:     drivers/net/wan/fsl_ucc_hdlc*
 
 FREESCALE QUICC ENGINE UCC UART DRIVER
-M:     Timur Tabi <timur@tabi.org>
+M:     Timur Tabi <timur@kernel.org>
 L:     linuxppc-dev@lists.ozlabs.org
 S:     Maintained
 F:     drivers/tty/serial/ucc_uart.c
@@ -5793,7 +5798,7 @@ F:        drivers/net/ethernet/freescale/fs_enet/
 F:     include/linux/fs_enet_pd.h
 
 FREESCALE SOC SOUND DRIVERS
-M:     Timur Tabi <timur@tabi.org>
+M:     Timur Tabi <timur@kernel.org>
 M:     Nicolin Chen <nicoleotsuka@gmail.com>
 M:     Xiubo Li <Xiubo.Lee@gmail.com>
 R:     Fabio Estevam <fabio.estevam@nxp.com>
@@ -9882,6 +9887,7 @@ M:        Andrew Lunn <andrew@lunn.ch>
 M:     Vivien Didelot <vivien.didelot@savoirfairelinux.com>
 M:     Florian Fainelli <f.fainelli@gmail.com>
 S:     Maintained
+F:     Documentation/devicetree/bindings/net/dsa/
 F:     net/dsa/
 F:     include/net/dsa.h
 F:     include/linux/dsa/
@@ -10208,11 +10214,13 @@ F:    sound/soc/codecs/sgtl5000*
 
 NXP TDA998X DRM DRIVER
 M:     Russell King <linux@armlinux.org.uk>
-S:     Supported
+S:     Maintained
 T:     git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-devel
 T:     git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-fixes
 F:     drivers/gpu/drm/i2c/tda998x_drv.c
 F:     include/drm/i2c/tda998x.h
+F:     include/dt-bindings/display/tda998x.h
+K:     "nxp,tda998x"
 
 NXP TFA9879 DRIVER
 M:     Peter Rosin <peda@axentia.se>
@@ -11476,6 +11484,15 @@ W:     http://wireless.kernel.org/en/users/Drivers/p54
 S:     Obsolete
 F:     drivers/net/wireless/intersil/prism54/
 
+PROC FILESYSTEM
+R:     Alexey Dobriyan <adobriyan@gmail.com>
+L:     linux-kernel@vger.kernel.org
+L:     linux-fsdevel@vger.kernel.org
+S:     Maintained
+F:     fs/proc/
+F:     include/linux/proc_fs.h
+F:     tools/testing/selftests/proc/
+
 PROC SYSCTL
 M:     "Luis R. Rodriguez" <mcgrof@kernel.org>
 M:     Kees Cook <keescook@chromium.org>
@@ -11808,9 +11825,9 @@ F:  Documentation/devicetree/bindings/opp/kryo-cpufreq.txt
 F:  drivers/cpufreq/qcom-cpufreq-kryo.c
 
 QUALCOMM EMAC GIGABIT ETHERNET DRIVER
-M:     Timur Tabi <timur@codeaurora.org>
+M:     Timur Tabi <timur@kernel.org>
 L:     netdev@vger.kernel.org
-S:     Supported
+S:     Maintained
 F:     drivers/net/ethernet/qualcomm/emac/
 
 QUALCOMM HEXAGON ARCHITECTURE
@@ -11821,7 +11838,7 @@ S:      Supported
 F:     arch/hexagon/
 
 QUALCOMM HIDMA DRIVER
-M:     Sinan Kaya <okaya@codeaurora.org>
+M:     Sinan Kaya <okaya@kernel.org>
 L:     linux-arm-kernel@lists.infradead.org
 L:     linux-arm-msm@vger.kernel.org
 L:     dmaengine@vger.kernel.org
index c9132594860b5b40161fdbd68f11ff9ee782da3b..925c55f2524f98fcde5633337d66578a973188f7 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 4
 PATCHLEVEL = 18
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc4
 NAME = Merciless Moray
 
 # *DOCUMENTATION*
@@ -507,11 +507,6 @@ ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLA
   KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO
 endif
 
-ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/cc-can-link.sh $(CC)), y)
-  CC_CAN_LINK := y
-  export CC_CAN_LINK
-endif
-
 # The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
 # Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
 # CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
index 54eeb8d00bc62a9f818aa9a833cbc15e7a1d9324..843edfd000be7210ebef62e529ba074df5ee242f 100644 (file)
@@ -1245,8 +1245,14 @@ config PCI
          VESA. If you have PCI, say Y, otherwise N.
 
 config PCI_DOMAINS
-       bool
+       bool "Support for multiple PCI domains"
        depends on PCI
+       help
+         Enable PCI domains kernel management. Say Y if your machine
+         has a PCI bus hierarchy that requires more than one PCI
+         domain (aka segment) to be correctly managed. Say N otherwise.
+
+         If you don't know what to do here, say N.
 
 config PCI_DOMAINS_GENERIC
        def_bool PCI_DOMAINS
index f9e8667f5886db82027643130ca87b58cbea8f62..73b514dddf65b281b0c3093f40b05496240b5455 100644 (file)
                        AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_dat3.mmc0_dat3 */
                        AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_cmd.mmc0_cmd */
                        AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)       /* mmc0_clk.mmc0_clk */
-                       AM33XX_IOPAD(0x9a0, PIN_INPUT | MUX_MODE4)              /* mcasp0_aclkr.mmc0_sdwp */
                >;
        };
 
index ca294914bbb131b9725c43b8e7c768466bf0c775..4b6062b631b1a73813f56e5a447a617a911700a3 100644 (file)
@@ -39,6 +39,8 @@
                        ti,davinci-ctrl-ram-size = <0x2000>;
                        ti,davinci-rmii-en = /bits/ 8 <1>;
                        local-mac-address = [ 00 00 00 00 00 00 ];
+                       clocks = <&emac_ick>;
+                       clock-names = "ick";
                };
 
                davinci_mdio: ethernet@5c030000 {
@@ -49,6 +51,8 @@
                        bus_freq = <1000000>;
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       clocks = <&emac_fck>;
+                       clock-names = "fck";
                };
 
                uart4: serial@4809e000 {
index 440351ad0b80686d06126df39b02d8de104a95d0..d4be3fd0b6f4094643ef98660e0f2dbcb5edca9d 100644 (file)
 
                touchscreen-size-x = <480>;
                touchscreen-size-y = <272>;
+
+               wakeup-source;
        };
 
        tlv320aic3106: tlv320aic3106@1b {
index 6782ce481ac967ded05bbfc124355aa894790d6f..d8769956cbfcff7b4a38e72959ba8b88f397a1c0 100644 (file)
                                              3700 5
                                              3900 6
                                              4000 7>;
-                       cooling-cells = <2>;
+                       #cooling-cells = <2>;
                };
 
                gpio-leds {
index 9fe4f5a6379e3b60d79a6ed8a0327f680434861e..2c4df2d2d4a6e1165fe27565a19d681c47a32cfa 100644 (file)
                        reg = <0x18008000 0x100>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        status = "disabled";
                };
                        reg = <0x1800b000 0x100>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        status = "disabled";
                };
 
                        #interrupt-cells = <1>;
                        interrupt-map-mask = <0 0 0 0>;
-                       interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>;
+                       interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
 
                        linux,pci-domain = <0>;
 
                                compatible = "brcm,iproc-msi";
                                msi-controller;
                                interrupt-parent = <&gic>;
-                               interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
-                                            <GIC_SPI 97 IRQ_TYPE_NONE>,
-                                            <GIC_SPI 98 IRQ_TYPE_NONE>,
-                                            <GIC_SPI 99 IRQ_TYPE_NONE>;
+                               interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
                        };
                };
 
 
                        #interrupt-cells = <1>;
                        interrupt-map-mask = <0 0 0 0>;
-                       interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>;
+                       interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
 
                        linux,pci-domain = <1>;
 
                                compatible = "brcm,iproc-msi";
                                msi-controller;
                                interrupt-parent = <&gic>;
-                               interrupts = <GIC_SPI 102 IRQ_TYPE_NONE>,
-                                            <GIC_SPI 103 IRQ_TYPE_NONE>,
-                                            <GIC_SPI 104 IRQ_TYPE_NONE>,
-                                            <GIC_SPI 105 IRQ_TYPE_NONE>;
+                               interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
                        };
                };
 
index 3f9cedd8011f0c22fb05b6a50d1705fc5ceab05d..3084a7c957339f0edc2fef97d203b08635c96790 100644 (file)
                        reg = <0x38000 0x50>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 95 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                };
 
                        reg = <0x3b000 0x50>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                };
        };
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic GIC_SPI 186 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <0>;
 
                        compatible = "brcm,iproc-msi";
                        msi-controller;
                        interrupt-parent = <&gic>;
-                       interrupts = <GIC_SPI 182 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 183 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 184 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 185 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>;
                        brcm,pcie-msi-inten;
                };
        };
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic GIC_SPI 192 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <1>;
 
                        compatible = "brcm,iproc-msi";
                        msi-controller;
                        interrupt-parent = <&gic>;
-                       interrupts = <GIC_SPI 188 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 189 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 190 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 191 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>;
                        brcm,pcie-msi-inten;
                };
        };
index dcc55aa84583cdd18f7ef6ecd780eb947be1ef1f..09ba8504632284532e3b17c6d1531e2d732fadc4 100644 (file)
                        reg = <0x38000 0x50>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        dma-coherent;
                        status = "disabled";
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <0>;
 
                        compatible = "brcm,iproc-msi";
                        msi-controller;
                        interrupt-parent = <&gic>;
-                       interrupts = <GIC_SPI 127 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 128 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 129 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 130 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
                        brcm,pcie-msi-inten;
                };
        };
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <1>;
 
                        compatible = "brcm,iproc-msi";
                        msi-controller;
                        interrupt-parent = <&gic>;
-                       interrupts = <GIC_SPI 133 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 134 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 135 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 136 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
                        brcm,pcie-msi-inten;
                };
        };
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <2>;
 
                        compatible = "brcm,iproc-msi";
                        msi-controller;
                        interrupt-parent = <&gic>;
-                       interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 140 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 141 IRQ_TYPE_NONE>,
-                                    <GIC_SPI 142 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
                        brcm,pcie-msi-inten;
                };
        };
index 9a076c409f4ed35fcf5fbe79807ede6e7e8466d5..ef995e50ee12bfd8b3d90d9e07062a41e04f4ff3 100644 (file)
        i2c0: i2c@18009000 {
                compatible = "brcm,iproc-i2c";
                reg = <0x18009000 0x50>;
-               interrupts = <GIC_SPI 121 IRQ_TYPE_NONE>;
+               interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
                #address-cells = <1>;
                #size-cells = <0>;
                clock-frequency = <100000>;
index f6f1597b03df931a1dea057921a43cea9f929a31..0f4f817a9e229c58f973f935a6f5906b1e0f8979 100644 (file)
                        gpio-controller;
                        #gpio-cells = <2>;
                        reg = <0x226000 0x1000>;
-                       interrupts = <42 IRQ_TYPE_EDGE_BOTH
-                               43 IRQ_TYPE_EDGE_BOTH 44 IRQ_TYPE_EDGE_BOTH
-                               45 IRQ_TYPE_EDGE_BOTH 46 IRQ_TYPE_EDGE_BOTH
-                               47 IRQ_TYPE_EDGE_BOTH 48 IRQ_TYPE_EDGE_BOTH
-                               49 IRQ_TYPE_EDGE_BOTH 50 IRQ_TYPE_EDGE_BOTH>;
+                       interrupts = <42 43 44 45 46 47 48 49 50>;
                        ti,ngpio = <144>;
                        ti,davinci-gpio-unbanked = <0>;
                        status = "disabled";
index 9dcd14edc20287f80c73a3b95d21e303ffa6d39c..e03495a799ce8d034feab58e263177794e706013 100644 (file)
                                dr_mode = "otg";
                                snps,dis_u3_susphy_quirk;
                                snps,dis_u2_susphy_quirk;
-                               snps,dis_metastability_quirk;
                        };
                };
 
                                dr_mode = "otg";
                                snps,dis_u3_susphy_quirk;
                                snps,dis_u2_susphy_quirk;
+                               snps,dis_metastability_quirk;
                        };
                };
 
index df9eca94d812290afe03affd59f76663ea1ab0ee..8a878687197b35a8e056ba55c4aaec56293123e1 100644 (file)
 
        pinctrl_ts: tsgrp {
                fsl,pins = <
-                       MX51_PAD_CSI1_D8__GPIO3_12              0x85
+                       MX51_PAD_CSI1_D8__GPIO3_12              0x04
                        MX51_PAD_CSI1_D9__GPIO3_13              0x85
                >;
        };
index 70483ce72ba6cf648809acb7f24be3af11817674..77f8f030dd0772aba631f57b704a7e60a9bd0532 100644 (file)
@@ -90,7 +90,7 @@
                                        clocks = <&clks IMX6Q_CLK_ECSPI5>,
                                                 <&clks IMX6Q_CLK_ECSPI5>;
                                        clock-names = "ipg", "per";
-                                       dmas = <&sdma 11 7 1>, <&sdma 12 7 2>;
+                                       dmas = <&sdma 11 8 1>, <&sdma 12 8 2>;
                                        dma-names = "rx", "tx";
                                        status = "disabled";
                                };
index d8b94f47498b67051ade669f23d2796a0b1e7433..4e4a55aad5c9ca9aa6fff90deb0ae1c5e99c3a13 100644 (file)
                        ranges = <0x81000000 0 0          0x08f80000 0 0x00010000 /* downstream I/O */
                                  0x82000000 0 0x08000000 0x08000000 0 0x00f00000>; /* non-prefetchable memory */
                        num-lanes = <1>;
-                       interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
                        interrupt-names = "msi";
                        #interrupt-cells = <1>;
                        interrupt-map-mask = <0 0 0 0x7>;
index 486d4e7433ed32d2662fabcf9b25fe54eab0f187..b38f8c24055800c45e1e81aef451f08ac9e27be5 100644 (file)
                nand0: nand@ff900000 {
                        #address-cells = <0x1>;
                        #size-cells = <0x1>;
-                       compatible = "denali,denali-nand-dt";
+                       compatible = "altr,socfpga-denali-nand";
                        reg = <0xff900000 0x100000>,
                              <0xffb80000 0x10000>;
                        reg-names = "nand_data", "denali_reg";
                        interrupts = <0x0 0x90 0x4>;
                        dma-mask = <0xffffffff>;
-                       clocks = <&nand_clk>;
+                       clocks = <&nand_x_clk>;
                        status = "disabled";
                };
 
index bead79e4b2aa2b624b8f7d21cef4751d6536b724..791ca15c799eba98850cbc3d4b96be7a509c422f 100644 (file)
                        #size-cells = <0>;
                        reg = <0xffda5000 0x100>;
                        interrupts = <0 102 4>;
-                       num-chipselect = <4>;
-                       bus-num = <0>;
+                       num-cs = <4>;
                        /*32bit_access;*/
                        tx-dma-channel = <&pdma 16>;
                        rx-dma-channel = <&pdma 17>;
                nand: nand@ffb90000 {
                        #address-cells = <1>;
                        #size-cells = <1>;
-                       compatible = "denali,denali-nand-dt", "altr,socfpga-denali-nand";
+                       compatible = "altr,socfpga-denali-nand";
                        reg = <0xffb90000 0x72000>,
                              <0xffb80000 0x10000>;
                        reg-names = "nand_data", "denali_reg";
index 1e9f7af8f70ff6ba23d9403f930f09dd6e0dda7e..3157be413297e5d22ad3174e2082b5199fc3083c 100644 (file)
@@ -10,7 +10,7 @@ obj-$(CONFIG_DMABOUNCE)               += dmabounce.o
 obj-$(CONFIG_SHARP_LOCOMO)     += locomo.o
 obj-$(CONFIG_SHARP_PARAM)      += sharpsl_param.o
 obj-$(CONFIG_SHARP_SCOOP)      += scoop.o
-obj-$(CONFIG_SMP)              += secure_cntvoff.o
+obj-$(CONFIG_CPU_V7)           += secure_cntvoff.o
 obj-$(CONFIG_PCI_HOST_ITE8152)  += it8152.o
 obj-$(CONFIG_MCPM)             += mcpm_head.o mcpm_entry.o mcpm_platsmp.o vlock.o
 CFLAGS_REMOVE_mcpm_entry.o     = -pg
index 054591dc9a0020dcdaa907f6b3cded43408075d0..4cd2f4a2bff4e20beb76fd524348aae58fbc3590 100644 (file)
@@ -141,9 +141,11 @@ CONFIG_USB_STORAGE=y
 CONFIG_USB_CHIPIDEA=y
 CONFIG_USB_CHIPIDEA_UDC=y
 CONFIG_USB_CHIPIDEA_HOST=y
+CONFIG_USB_CHIPIDEA_ULPI=y
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_ETH=m
+CONFIG_USB_ULPI_BUS=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
index f70507ab91eeb1b59a0857cb9e6f55ff2825fe9f..200ebda47e0c3bee90eadd948b6f8f522fcfbedc 100644 (file)
@@ -302,6 +302,7 @@ CONFIG_USB_STORAGE=y
 CONFIG_USB_CHIPIDEA=y
 CONFIG_USB_CHIPIDEA_UDC=y
 CONFIG_USB_CHIPIDEA_HOST=y
+CONFIG_USB_CHIPIDEA_ULPI=y
 CONFIG_USB_SERIAL=m
 CONFIG_USB_SERIAL_GENERIC=y
 CONFIG_USB_SERIAL_FTDI_SIO=m
@@ -338,6 +339,7 @@ CONFIG_USB_GADGETFS=m
 CONFIG_USB_FUNCTIONFS=m
 CONFIG_USB_MASS_STORAGE=m
 CONFIG_USB_G_SERIAL=m
+CONFIG_USB_ULPI_BUS=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
index 7e1c543162c3ab16f11f6be6ccec5a16abae31d0..8f6be19825456496ef471b3b03a78d32354d9736 100644 (file)
@@ -1,5 +1,4 @@
 CONFIG_SYSVIPC=y
-CONFIG_FHANDLE=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_CGROUPS=y
@@ -10,20 +9,10 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_CMDLINE_PARTITION=y
-CONFIG_ARCH_MULTI_V7=y
-# CONFIG_ARCH_MULTI_V5 is not set
-# CONFIG_ARCH_MULTI_V4 is not set
 CONFIG_ARCH_VIRT=y
 CONFIG_ARCH_ALPINE=y
 CONFIG_ARCH_ARTPEC=y
 CONFIG_MACH_ARTPEC6=y
-CONFIG_ARCH_MVEBU=y
-CONFIG_MACH_ARMADA_370=y
-CONFIG_MACH_ARMADA_375=y
-CONFIG_MACH_ARMADA_38X=y
-CONFIG_MACH_ARMADA_39X=y
-CONFIG_MACH_ARMADA_XP=y
-CONFIG_MACH_DOVE=y
 CONFIG_ARCH_AT91=y
 CONFIG_SOC_SAMA5D2=y
 CONFIG_SOC_SAMA5D3=y
@@ -32,9 +21,9 @@ CONFIG_ARCH_BCM=y
 CONFIG_ARCH_BCM_CYGNUS=y
 CONFIG_ARCH_BCM_HR2=y
 CONFIG_ARCH_BCM_NSP=y
-CONFIG_ARCH_BCM_21664=y
-CONFIG_ARCH_BCM_281XX=y
 CONFIG_ARCH_BCM_5301X=y
+CONFIG_ARCH_BCM_281XX=y
+CONFIG_ARCH_BCM_21664=y
 CONFIG_ARCH_BCM2835=y
 CONFIG_ARCH_BCM_63XX=y
 CONFIG_ARCH_BRCMSTB=y
@@ -43,14 +32,14 @@ CONFIG_MACH_BERLIN_BG2=y
 CONFIG_MACH_BERLIN_BG2CD=y
 CONFIG_MACH_BERLIN_BG2Q=y
 CONFIG_ARCH_DIGICOLOR=y
+CONFIG_ARCH_EXYNOS=y
+CONFIG_EXYNOS5420_MCPM=y
 CONFIG_ARCH_HIGHBANK=y
 CONFIG_ARCH_HISI=y
 CONFIG_ARCH_HI3xxx=y
-CONFIG_ARCH_HIX5HD2=y
 CONFIG_ARCH_HIP01=y
 CONFIG_ARCH_HIP04=y
-CONFIG_ARCH_KEYSTONE=y
-CONFIG_ARCH_MESON=y
+CONFIG_ARCH_HIX5HD2=y
 CONFIG_ARCH_MXC=y
 CONFIG_SOC_IMX50=y
 CONFIG_SOC_IMX51=y
@@ -60,29 +49,30 @@ CONFIG_SOC_IMX6SL=y
 CONFIG_SOC_IMX6SX=y
 CONFIG_SOC_IMX6UL=y
 CONFIG_SOC_IMX7D=y
-CONFIG_SOC_VF610=y
 CONFIG_SOC_LS1021A=y
+CONFIG_SOC_VF610=y
+CONFIG_ARCH_KEYSTONE=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_ARCH_MESON=y
+CONFIG_ARCH_MVEBU=y
+CONFIG_MACH_ARMADA_370=y
+CONFIG_MACH_ARMADA_375=y
+CONFIG_MACH_ARMADA_38X=y
+CONFIG_MACH_ARMADA_39X=y
+CONFIG_MACH_ARMADA_XP=y
+CONFIG_MACH_DOVE=y
 CONFIG_ARCH_OMAP3=y
 CONFIG_ARCH_OMAP4=y
 CONFIG_SOC_OMAP5=y
 CONFIG_SOC_AM33XX=y
 CONFIG_SOC_AM43XX=y
 CONFIG_SOC_DRA7XX=y
+CONFIG_ARCH_SIRF=y
 CONFIG_ARCH_QCOM=y
-CONFIG_ARCH_MEDIATEK=y
 CONFIG_ARCH_MSM8X60=y
 CONFIG_ARCH_MSM8960=y
 CONFIG_ARCH_MSM8974=y
 CONFIG_ARCH_ROCKCHIP=y
-CONFIG_ARCH_SOCFPGA=y
-CONFIG_PLAT_SPEAR=y
-CONFIG_ARCH_SPEAR13XX=y
-CONFIG_MACH_SPEAR1310=y
-CONFIG_MACH_SPEAR1340=y
-CONFIG_ARCH_STI=y
-CONFIG_ARCH_STM32=y
-CONFIG_ARCH_EXYNOS=y
-CONFIG_EXYNOS5420_MCPM=y
 CONFIG_ARCH_RENESAS=y
 CONFIG_ARCH_EMEV2=y
 CONFIG_ARCH_R7S72100=y
@@ -99,40 +89,33 @@ CONFIG_ARCH_R8A7792=y
 CONFIG_ARCH_R8A7793=y
 CONFIG_ARCH_R8A7794=y
 CONFIG_ARCH_SH73A0=y
+CONFIG_ARCH_SOCFPGA=y
+CONFIG_PLAT_SPEAR=y
+CONFIG_ARCH_SPEAR13XX=y
+CONFIG_MACH_SPEAR1310=y
+CONFIG_MACH_SPEAR1340=y
+CONFIG_ARCH_STI=y
+CONFIG_ARCH_STM32=y
 CONFIG_ARCH_SUNXI=y
-CONFIG_ARCH_SIRF=y
 CONFIG_ARCH_TEGRA=y
-CONFIG_ARCH_TEGRA_2x_SOC=y
-CONFIG_ARCH_TEGRA_3x_SOC=y
-CONFIG_ARCH_TEGRA_114_SOC=y
-CONFIG_ARCH_TEGRA_124_SOC=y
 CONFIG_ARCH_UNIPHIER=y
 CONFIG_ARCH_U8500=y
-CONFIG_MACH_HREFV60=y
-CONFIG_MACH_SNOWBALL=y
 CONFIG_ARCH_VEXPRESS=y
 CONFIG_ARCH_VEXPRESS_TC2_PM=y
 CONFIG_ARCH_WM8850=y
 CONFIG_ARCH_ZYNQ=y
-CONFIG_TRUSTED_FOUNDATIONS=y
-CONFIG_PCI=y
-CONFIG_PCI_HOST_GENERIC=y
-CONFIG_PCI_DRA7XX=y
-CONFIG_PCI_DRA7XX_EP=y
-CONFIG_PCI_KEYSTONE=y
-CONFIG_PCI_MSI=y
+CONFIG_PCIEPORTBUS=y
 CONFIG_PCI_MVEBU=y
 CONFIG_PCI_TEGRA=y
 CONFIG_PCI_RCAR_GEN2=y
 CONFIG_PCIE_RCAR=y
-CONFIG_PCIEPORTBUS=y
+CONFIG_PCI_DRA7XX_EP=y
+CONFIG_PCI_KEYSTONE=y
 CONFIG_PCI_ENDPOINT=y
 CONFIG_PCI_ENDPOINT_CONFIGFS=y
 CONFIG_PCI_EPF_TEST=m
 CONFIG_SMP=y
 CONFIG_NR_CPUS=16
-CONFIG_HIGHPTE=y
-CONFIG_CMA=y
 CONFIG_SECCOMP=y
 CONFIG_ARM_APPENDED_DTB=y
 CONFIG_ARM_ATAG_DTB_COMPAT=y
@@ -145,14 +128,14 @@ CONFIG_CPU_FREQ_GOV_POWERSAVE=m
 CONFIG_CPU_FREQ_GOV_USERSPACE=m
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
 CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
+CONFIG_CPUFREQ_DT=y
 CONFIG_ARM_IMX6Q_CPUFREQ=y
 CONFIG_QORIQ_CPUFREQ=y
 CONFIG_CPU_IDLE=y
 CONFIG_ARM_CPUIDLE=y
-CONFIG_NEON=y
-CONFIG_KERNEL_MODE_NEON=y
 CONFIG_ARM_ZYNQ_CPUIDLE=y
 CONFIG_ARM_EXYNOS_CPUIDLE=y
+CONFIG_KERNEL_MODE_NEON=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -170,23 +153,13 @@ CONFIG_IPV6_MIP6=m
 CONFIG_IPV6_TUNNEL=m
 CONFIG_IPV6_MULTIPLE_TABLES=y
 CONFIG_NET_DSA=m
-CONFIG_NET_SWITCHDEV=y
 CONFIG_CAN=y
-CONFIG_CAN_RAW=y
-CONFIG_CAN_BCM=y
-CONFIG_CAN_DEV=y
 CONFIG_CAN_AT91=m
 CONFIG_CAN_FLEXCAN=m
-CONFIG_CAN_RCAR=m
+CONFIG_CAN_SUN4I=y
 CONFIG_CAN_XILINXCAN=y
+CONFIG_CAN_RCAR=m
 CONFIG_CAN_MCP251X=y
-CONFIG_NET_DSA_BCM_SF2=m
-CONFIG_B53=m
-CONFIG_B53_SPI_DRIVER=m
-CONFIG_B53_MDIO_DRIVER=m
-CONFIG_B53_MMAP_DRIVER=m
-CONFIG_B53_SRAB_DRIVER=m
-CONFIG_CAN_SUN4I=y
 CONFIG_BT=m
 CONFIG_BT_HCIUART=m
 CONFIG_BT_HCIUART_BCM=y
@@ -199,11 +172,9 @@ CONFIG_RFKILL_INPUT=y
 CONFIG_RFKILL_GPIO=y
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
-CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_OMAP_OCP2SCP=y
 CONFIG_SIMPLE_PM_BUS=y
-CONFIG_SUNXI_RSB=y
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
@@ -236,7 +207,6 @@ CONFIG_PCI_ENDPOINT_TEST=m
 CONFIG_EEPROM_AT24=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_BLK_DEV_SR=y
-CONFIG_SCSI_MULTI_LUN=y
 CONFIG_ATA=y
 CONFIG_SATA_AHCI=y
 CONFIG_SATA_AHCI_PLATFORM=y
@@ -251,14 +221,20 @@ CONFIG_SATA_MV=y
 CONFIG_SATA_RCAR=y
 CONFIG_NETDEVICES=y
 CONFIG_VIRTIO_NET=y
-CONFIG_HIX5HD2_GMAC=y
+CONFIG_B53_SPI_DRIVER=m
+CONFIG_B53_MDIO_DRIVER=m
+CONFIG_B53_MMAP_DRIVER=m
+CONFIG_B53_SRAB_DRIVER=m
+CONFIG_NET_DSA_BCM_SF2=m
 CONFIG_SUN4I_EMAC=y
-CONFIG_MACB=y
 CONFIG_BCMGENET=m
 CONFIG_BGMAC_BCMA=y
 CONFIG_SYSTEMPORT=m
+CONFIG_MACB=y
 CONFIG_NET_CALXEDA_XGMAC=y
 CONFIG_GIANFAR=y
+CONFIG_HIX5HD2_GMAC=y
+CONFIG_E1000E=y
 CONFIG_IGB=y
 CONFIG_MV643XX_ETH=y
 CONFIG_MVNETA=y
@@ -268,19 +244,17 @@ CONFIG_R8169=y
 CONFIG_SH_ETH=y
 CONFIG_SMSC911X=y
 CONFIG_STMMAC_ETH=y
-CONFIG_STMMAC_PLATFORM=y
 CONFIG_DWMAC_DWC_QOS_ETH=y
 CONFIG_TI_CPSW=y
 CONFIG_XILINX_EMACLITE=y
 CONFIG_AT803X_PHY=y
-CONFIG_MARVELL_PHY=y
-CONFIG_SMSC_PHY=y
 CONFIG_BROADCOM_PHY=y
 CONFIG_ICPLUS_PHY=y
-CONFIG_REALTEK_PHY=y
+CONFIG_MARVELL_PHY=y
 CONFIG_MICREL_PHY=y
-CONFIG_FIXED_PHY=y
+CONFIG_REALTEK_PHY=y
 CONFIG_ROCKCHIP_PHY=y
+CONFIG_SMSC_PHY=y
 CONFIG_USB_PEGASUS=y
 CONFIG_USB_RTL8152=m
 CONFIG_USB_LAN78XX=m
@@ -288,29 +262,29 @@ CONFIG_USB_USBNET=y
 CONFIG_USB_NET_SMSC75XX=y
 CONFIG_USB_NET_SMSC95XX=y
 CONFIG_BRCMFMAC=m
-CONFIG_RT2X00=m
-CONFIG_RT2800USB=m
 CONFIG_MWIFIEX=m
 CONFIG_MWIFIEX_SDIO=m
+CONFIG_RT2X00=m
+CONFIG_RT2800USB=m
 CONFIG_INPUT_JOYDEV=y
 CONFIG_INPUT_EVDEV=y
 CONFIG_KEYBOARD_QT1070=m
 CONFIG_KEYBOARD_GPIO=y
 CONFIG_KEYBOARD_TEGRA=y
-CONFIG_KEYBOARD_SPEAR=y
+CONFIG_KEYBOARD_SAMSUNG=m
 CONFIG_KEYBOARD_ST_KEYSCAN=y
+CONFIG_KEYBOARD_SPEAR=y
 CONFIG_KEYBOARD_CROS_EC=m
-CONFIG_KEYBOARD_SAMSUNG=m
 CONFIG_MOUSE_PS2_ELANTECH=y
 CONFIG_MOUSE_CYAPA=m
 CONFIG_MOUSE_ELAN_I2C=y
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_ATMEL_MXT=m
 CONFIG_TOUCHSCREEN_MMS114=m
+CONFIG_TOUCHSCREEN_WM97XX=m
 CONFIG_TOUCHSCREEN_ST1232=m
 CONFIG_TOUCHSCREEN_STMPE=y
 CONFIG_TOUCHSCREEN_SUN4I=y
-CONFIG_TOUCHSCREEN_WM97XX=m
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_MAX77693_HAPTIC=m
 CONFIG_INPUT_MAX8997_HAPTIC=m
@@ -327,13 +301,12 @@ CONFIG_SERIAL_8250_DW=y
 CONFIG_SERIAL_8250_EM=y
 CONFIG_SERIAL_8250_MT6577=y
 CONFIG_SERIAL_8250_UNIPHIER=y
+CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
 CONFIG_SERIAL_ATMEL=y
 CONFIG_SERIAL_ATMEL_CONSOLE=y
 CONFIG_SERIAL_ATMEL_TTYAT=y
-CONFIG_SERIAL_BCM63XX=y
-CONFIG_SERIAL_BCM63XX_CONSOLE=y
 CONFIG_SERIAL_MESON=y
 CONFIG_SERIAL_MESON_CONSOLE=y
 CONFIG_SERIAL_SAMSUNG=y
@@ -345,15 +318,14 @@ CONFIG_SERIAL_IMX=y
 CONFIG_SERIAL_IMX_CONSOLE=y
 CONFIG_SERIAL_SH_SCI=y
 CONFIG_SERIAL_SH_SCI_NR_UARTS=20
-CONFIG_SERIAL_SH_SCI_CONSOLE=y
-CONFIG_SERIAL_SH_SCI_DMA=y
 CONFIG_SERIAL_MSM=y
 CONFIG_SERIAL_MSM_CONSOLE=y
 CONFIG_SERIAL_VT8500=y
 CONFIG_SERIAL_VT8500_CONSOLE=y
-CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_SERIAL_OMAP=y
 CONFIG_SERIAL_OMAP_CONSOLE=y
+CONFIG_SERIAL_BCM63XX=y
+CONFIG_SERIAL_BCM63XX_CONSOLE=y
 CONFIG_SERIAL_XILINX_PS_UART=y
 CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
 CONFIG_SERIAL_FSL_LPUART=y
@@ -365,12 +337,10 @@ CONFIG_SERIAL_ST_ASC_CONSOLE=y
 CONFIG_SERIAL_STM32=y
 CONFIG_SERIAL_STM32_CONSOLE=y
 CONFIG_SERIAL_DEV_BUS=y
-CONFIG_HVC_DRIVER=y
 CONFIG_VIRTIO_CONSOLE=y
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_ST=y
 CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_DAVINCI=y
-CONFIG_I2C_MESON=y
-CONFIG_I2C_MUX=y
 CONFIG_I2C_ARB_GPIO_CHALLENGE=m
 CONFIG_I2C_MUX_PCA954x=y
 CONFIG_I2C_MUX_PINCTRL=y
@@ -378,12 +348,13 @@ CONFIG_I2C_DEMUX_PINCTRL=y
 CONFIG_I2C_AT91=m
 CONFIG_I2C_BCM2835=y
 CONFIG_I2C_CADENCE=y
+CONFIG_I2C_DAVINCI=y
 CONFIG_I2C_DESIGNWARE_PLATFORM=y
 CONFIG_I2C_DIGICOLOR=m
 CONFIG_I2C_EMEV2=m
 CONFIG_I2C_GPIO=m
-CONFIG_I2C_EXYNOS5=y
 CONFIG_I2C_IMX=y
+CONFIG_I2C_MESON=y
 CONFIG_I2C_MV64XXX=y
 CONFIG_I2C_RIIC=y
 CONFIG_I2C_RK3X=y
@@ -427,7 +398,6 @@ CONFIG_SPI_SPIDEV=y
 CONFIG_SPMI=y
 CONFIG_PINCTRL_AS3722=y
 CONFIG_PINCTRL_PALMAS=y
-CONFIG_PINCTRL_BCM2835=y
 CONFIG_PINCTRL_APQ8064=y
 CONFIG_PINCTRL_APQ8084=y
 CONFIG_PINCTRL_IPQ8064=y
@@ -437,25 +407,33 @@ CONFIG_PINCTRL_MSM8X74=y
 CONFIG_PINCTRL_MSM8916=y
 CONFIG_PINCTRL_QCOM_SPMI_PMIC=y
 CONFIG_PINCTRL_QCOM_SSBI_PMIC=y
-CONFIG_GPIO_GENERIC_PLATFORM=y
 CONFIG_GPIO_DAVINCI=y
 CONFIG_GPIO_DWAPB=y
 CONFIG_GPIO_EM=y
 CONFIG_GPIO_RCAR=y
+CONFIG_GPIO_SYSCON=y
 CONFIG_GPIO_UNIPHIER=y
 CONFIG_GPIO_XILINX=y
 CONFIG_GPIO_ZYNQ=y
 CONFIG_GPIO_PCA953X=y
 CONFIG_GPIO_PCA953X_IRQ=y
 CONFIG_GPIO_PCF857X=y
-CONFIG_GPIO_TWL4030=y
 CONFIG_GPIO_PALMAS=y
-CONFIG_GPIO_SYSCON=y
 CONFIG_GPIO_TPS6586X=y
 CONFIG_GPIO_TPS65910=y
+CONFIG_GPIO_TWL4030=y
+CONFIG_POWER_AVS=y
+CONFIG_ROCKCHIP_IODOMAIN=y
+CONFIG_POWER_RESET_AS3722=y
+CONFIG_POWER_RESET_GPIO=y
+CONFIG_POWER_RESET_GPIO_RESTART=y
+CONFIG_POWER_RESET_ST=y
+CONFIG_POWER_RESET_KEYSTONE=y
+CONFIG_POWER_RESET_RMOBILE=y
 CONFIG_BATTERY_ACT8945A=y
 CONFIG_BATTERY_CPCAP=m
 CONFIG_BATTERY_SBS=y
+CONFIG_AXP20X_POWER=m
 CONFIG_BATTERY_MAX17040=m
 CONFIG_BATTERY_MAX17042=m
 CONFIG_CHARGER_CPCAP=m
@@ -464,15 +442,6 @@ CONFIG_CHARGER_MAX77693=m
 CONFIG_CHARGER_MAX8997=m
 CONFIG_CHARGER_MAX8998=m
 CONFIG_CHARGER_TPS65090=y
-CONFIG_AXP20X_POWER=m
-CONFIG_POWER_RESET_AS3722=y
-CONFIG_POWER_RESET_GPIO=y
-CONFIG_POWER_RESET_GPIO_RESTART=y
-CONFIG_POWER_RESET_KEYSTONE=y
-CONFIG_POWER_RESET_RMOBILE=y
-CONFIG_POWER_RESET_ST=y
-CONFIG_POWER_AVS=y
-CONFIG_ROCKCHIP_IODOMAIN=y
 CONFIG_SENSORS_IIO_HWMON=y
 CONFIG_SENSORS_LM90=y
 CONFIG_SENSORS_LM95245=y
@@ -480,14 +449,12 @@ CONFIG_SENSORS_NTC_THERMISTOR=m
 CONFIG_SENSORS_PWM_FAN=m
 CONFIG_SENSORS_INA2XX=m
 CONFIG_CPU_THERMAL=y
-CONFIG_BCM2835_THERMAL=m
-CONFIG_BRCMSTB_THERMAL=m
 CONFIG_IMX_THERMAL=y
 CONFIG_ROCKCHIP_THERMAL=y
 CONFIG_RCAR_THERMAL=y
 CONFIG_ARMADA_THERMAL=y
-CONFIG_DAVINCI_WATCHDOG=m
-CONFIG_EXYNOS_THERMAL=m
+CONFIG_BCM2835_THERMAL=m
+CONFIG_BRCMSTB_THERMAL=m
 CONFIG_ST_THERMAL_MEMMAP=y
 CONFIG_WATCHDOG=y
 CONFIG_DA9063_WATCHDOG=m
@@ -495,20 +462,24 @@ CONFIG_XILINX_WATCHDOG=y
 CONFIG_ARM_SP805_WATCHDOG=y
 CONFIG_AT91SAM9X_WATCHDOG=y
 CONFIG_SAMA5D4_WATCHDOG=y
+CONFIG_DW_WATCHDOG=y
+CONFIG_DAVINCI_WATCHDOG=m
 CONFIG_ORION_WATCHDOG=y
 CONFIG_RN5T618_WATCHDOG=y
-CONFIG_ST_LPC_WATCHDOG=y
 CONFIG_SUNXI_WATCHDOG=y
 CONFIG_IMX2_WDT=y
+CONFIG_ST_LPC_WATCHDOG=y
 CONFIG_TEGRA_WATCHDOG=m
 CONFIG_MESON_WATCHDOG=y
-CONFIG_DW_WATCHDOG=y
 CONFIG_DIGICOLOR_WATCHDOG=y
 CONFIG_RENESAS_WDT=m
-CONFIG_BCM2835_WDT=y
 CONFIG_BCM47XX_WDT=y
-CONFIG_BCM7038_WDT=m
+CONFIG_BCM2835_WDT=y
 CONFIG_BCM_KONA_WDT=y
+CONFIG_BCM7038_WDT=m
+CONFIG_BCMA_HOST_SOC=y
+CONFIG_BCMA_DRIVER_GMAC_CMN=y
+CONFIG_BCMA_DRIVER_GPIO=y
 CONFIG_MFD_ACT8945A=y
 CONFIG_MFD_AS3711=y
 CONFIG_MFD_AS3722=y
@@ -516,7 +487,6 @@ CONFIG_MFD_ATMEL_FLEXCOM=y
 CONFIG_MFD_ATMEL_HLCDC=m
 CONFIG_MFD_BCM590XX=y
 CONFIG_MFD_AC100=y
-CONFIG_MFD_AXP20X=y
 CONFIG_MFD_AXP20X_I2C=y
 CONFIG_MFD_AXP20X_RSB=y
 CONFIG_MFD_CROS_EC=m
@@ -529,11 +499,11 @@ CONFIG_MFD_MAX77693=m
 CONFIG_MFD_MAX8907=y
 CONFIG_MFD_MAX8997=y
 CONFIG_MFD_MAX8998=y
-CONFIG_MFD_RK808=y
 CONFIG_MFD_CPCAP=y
 CONFIG_MFD_PM8XXX=y
 CONFIG_MFD_QCOM_RPM=y
 CONFIG_MFD_SPMI_PMIC=y
+CONFIG_MFD_RK808=y
 CONFIG_MFD_RN5T618=y
 CONFIG_MFD_SEC_CORE=y
 CONFIG_MFD_STMPE=y
@@ -543,10 +513,10 @@ CONFIG_MFD_TPS65217=y
 CONFIG_MFD_TPS65218=y
 CONFIG_MFD_TPS6586X=y
 CONFIG_MFD_TPS65910=y
-CONFIG_REGULATOR_ACT8945A=y
-CONFIG_REGULATOR_AB8500=y
 CONFIG_REGULATOR_ACT8865=y
+CONFIG_REGULATOR_ACT8945A=y
 CONFIG_REGULATOR_ANATOP=y
+CONFIG_REGULATOR_AB8500=y
 CONFIG_REGULATOR_AS3711=y
 CONFIG_REGULATOR_AS3722=y
 CONFIG_REGULATOR_AXP20X=y
@@ -554,10 +524,7 @@ CONFIG_REGULATOR_BCM590XX=y
 CONFIG_REGULATOR_CPCAP=y
 CONFIG_REGULATOR_DA9210=y
 CONFIG_REGULATOR_FAN53555=y
-CONFIG_REGULATOR_RK808=y
 CONFIG_REGULATOR_GPIO=y
-CONFIG_MFD_SYSCON=y
-CONFIG_POWER_RESET_SYSCON=y
 CONFIG_REGULATOR_LP872X=y
 CONFIG_REGULATOR_MAX14577=m
 CONFIG_REGULATOR_MAX8907=y
@@ -571,7 +538,8 @@ CONFIG_REGULATOR_PALMAS=y
 CONFIG_REGULATOR_PBIAS=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_QCOM_RPM=y
-CONFIG_REGULATOR_QCOM_SMD_RPM=y
+CONFIG_REGULATOR_QCOM_SMD_RPM=m
+CONFIG_REGULATOR_RK808=y
 CONFIG_REGULATOR_RN5T618=y
 CONFIG_REGULATOR_S2MPS11=y
 CONFIG_REGULATOR_S5M8767=y
@@ -592,18 +560,17 @@ CONFIG_MEDIA_CEC_SUPPORT=y
 CONFIG_MEDIA_CONTROLLER=y
 CONFIG_VIDEO_V4L2_SUBDEV_API=y
 CONFIG_MEDIA_USB_SUPPORT=y
-CONFIG_USB_VIDEO_CLASS=y
-CONFIG_USB_GSPCA=y
+CONFIG_USB_VIDEO_CLASS=m
 CONFIG_V4L_PLATFORM_DRIVERS=y
 CONFIG_SOC_CAMERA=m
 CONFIG_SOC_CAMERA_PLATFORM=m
-CONFIG_VIDEO_RCAR_VIN=m
-CONFIG_VIDEO_ATMEL_ISI=m
 CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS=m
 CONFIG_VIDEO_S5P_FIMC=m
 CONFIG_VIDEO_S5P_MIPI_CSIS=m
 CONFIG_VIDEO_EXYNOS_FIMC_LITE=m
 CONFIG_VIDEO_EXYNOS4_FIMC_IS=m
+CONFIG_VIDEO_RCAR_VIN=m
+CONFIG_VIDEO_ATMEL_ISI=m
 CONFIG_V4L_MEM2MEM_DRIVERS=y
 CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m
 CONFIG_VIDEO_SAMSUNG_S5P_MFC=m
@@ -614,19 +581,15 @@ CONFIG_VIDEO_STI_DELTA=m
 CONFIG_VIDEO_RENESAS_JPU=m
 CONFIG_VIDEO_RENESAS_VSP1=m
 CONFIG_V4L_TEST_DRIVERS=y
+CONFIG_VIDEO_VIVID=m
 CONFIG_CEC_PLATFORM_DRIVERS=y
 CONFIG_VIDEO_SAMSUNG_S5P_CEC=m
 # CONFIG_MEDIA_SUBDRV_AUTOSELECT is not set
 CONFIG_VIDEO_ADV7180=m
 CONFIG_VIDEO_ML86V7667=m
 CONFIG_DRM=y
-CONFIG_DRM_I2C_ADV7511=m
-CONFIG_DRM_I2C_ADV7511_AUDIO=y
 # CONFIG_DRM_I2C_CH7006 is not set
 # CONFIG_DRM_I2C_SIL164 is not set
-CONFIG_DRM_DUMB_VGA_DAC=m
-CONFIG_DRM_NXP_PTN3460=m
-CONFIG_DRM_PARADE_PS8622=m
 CONFIG_DRM_NOUVEAU=m
 CONFIG_DRM_EXYNOS=m
 CONFIG_DRM_EXYNOS_FIMD=y
@@ -645,13 +608,18 @@ CONFIG_DRM_RCAR_LVDS=y
 CONFIG_DRM_SUN4I=m
 CONFIG_DRM_FSL_DCU=m
 CONFIG_DRM_TEGRA=y
+CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_PANEL_SAMSUNG_LD9040=m
 CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03=m
 CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0=m
-CONFIG_DRM_PANEL_SIMPLE=y
+CONFIG_DRM_DUMB_VGA_DAC=m
+CONFIG_DRM_NXP_PTN3460=m
+CONFIG_DRM_PARADE_PS8622=m
 CONFIG_DRM_SII9234=m
+CONFIG_DRM_I2C_ADV7511=m
+CONFIG_DRM_I2C_ADV7511_AUDIO=y
 CONFIG_DRM_STI=m
-CONFIG_DRM_VC4=y
+CONFIG_DRM_VC4=m
 CONFIG_DRM_ETNAVIV=m
 CONFIG_DRM_MXSFB=m
 CONFIG_FB_ARMCLCD=y
@@ -659,8 +627,6 @@ CONFIG_FB_EFI=y
 CONFIG_FB_WM8505=y
 CONFIG_FB_SH_MOBILE_LCDC=y
 CONFIG_FB_SIMPLE=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
 CONFIG_LCD_PLATFORM=m
 CONFIG_BACKLIGHT_PWM=y
 CONFIG_BACKLIGHT_AS3711=y
@@ -668,7 +634,6 @@ CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_SOUND=m
 CONFIG_SND=m
-CONFIG_SND_DYNAMIC_MINORS=y
 CONFIG_SND_HDA_TEGRA=m
 CONFIG_SND_HDA_INPUT_BEEP=y
 CONFIG_SND_HDA_PATCH_LOADER=y
@@ -692,7 +657,7 @@ CONFIG_SND_SOC_SNOW=m
 CONFIG_SND_SOC_ODROID=m
 CONFIG_SND_SOC_SH4_FSI=m
 CONFIG_SND_SOC_RCAR=m
-CONFIG_SND_SIMPLE_SCU_CARD=m
+CONFIG_SND_SOC_STI=m
 CONFIG_SND_SUN4I_CODEC=m
 CONFIG_SND_SOC_TEGRA=m
 CONFIG_SND_SOC_TEGRA20_I2S=m
@@ -703,31 +668,25 @@ CONFIG_SND_SOC_TEGRA_WM8903=m
 CONFIG_SND_SOC_TEGRA_WM9712=m
 CONFIG_SND_SOC_TEGRA_TRIMSLICE=m
 CONFIG_SND_SOC_TEGRA_ALC5632=m
-CONFIG_SND_SOC_CPCAP=m
 CONFIG_SND_SOC_TEGRA_MAX98090=m
 CONFIG_SND_SOC_AK4642=m
+CONFIG_SND_SOC_CPCAP=m
 CONFIG_SND_SOC_SGTL5000=m
 CONFIG_SND_SOC_SPDIF=m
-CONFIG_SND_SOC_WM8978=m
-CONFIG_SND_SOC_STI=m
 CONFIG_SND_SOC_STI_SAS=m
-CONFIG_SND_SIMPLE_CARD=m
+CONFIG_SND_SOC_WM8978=m
+CONFIG_SND_SIMPLE_SCU_CARD=m
 CONFIG_USB=y
 CONFIG_USB_OTG=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_MVEBU=y
-CONFIG_USB_XHCI_RCAR=m
 CONFIG_USB_XHCI_TEGRA=m
 CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_MSM=m
-CONFIG_USB_EHCI_EXYNOS=y
-CONFIG_USB_EHCI_TEGRA=y
 CONFIG_USB_EHCI_HCD_STI=y
-CONFIG_USB_EHCI_HCD_PLATFORM=y
-CONFIG_USB_ISP1760=y
+CONFIG_USB_EHCI_TEGRA=y
+CONFIG_USB_EHCI_EXYNOS=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_HCD_STI=y
-CONFIG_USB_OHCI_HCD_PLATFORM=y
 CONFIG_USB_OHCI_EXYNOS=m
 CONFIG_USB_R8A66597_HCD=m
 CONFIG_USB_RENESAS_USBHS=m
@@ -746,18 +705,18 @@ CONFIG_USB_TI_CPPI41_DMA=y
 CONFIG_USB_TUSB_OMAP_DMA=y
 CONFIG_USB_DWC3=y
 CONFIG_USB_DWC2=y
-CONFIG_USB_HSIC_USB3503=y
 CONFIG_USB_CHIPIDEA=y
 CONFIG_USB_CHIPIDEA_UDC=y
 CONFIG_USB_CHIPIDEA_HOST=y
+CONFIG_USB_ISP1760=y
+CONFIG_USB_HSIC_USB3503=y
 CONFIG_AB8500_USB=y
-CONFIG_KEYSTONE_USB_PHY=y
+CONFIG_KEYSTONE_USB_PHY=m
 CONFIG_NOP_USB_XCEIV=m
 CONFIG_AM335X_PHY_USB=m
 CONFIG_TWL6030_USB=m
 CONFIG_USB_GPIO_VBUS=y
 CONFIG_USB_ISP1301=y
-CONFIG_USB_MSM_OTG=m
 CONFIG_USB_MXS_PHY=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_FSL_USB2=y
@@ -793,21 +752,20 @@ CONFIG_MMC_SDHCI_OF_ESDHC=y
 CONFIG_MMC_SDHCI_ESDHC_IMX=y
 CONFIG_MMC_SDHCI_DOVE=y
 CONFIG_MMC_SDHCI_TEGRA=y
+CONFIG_MMC_SDHCI_S3C=y
 CONFIG_MMC_SDHCI_PXAV3=y
 CONFIG_MMC_SDHCI_SPEAR=y
-CONFIG_MMC_SDHCI_S3C=y
 CONFIG_MMC_SDHCI_S3C_DMA=y
 CONFIG_MMC_SDHCI_BCM_KONA=y
+CONFIG_MMC_MESON_MX_SDIO=y
 CONFIG_MMC_SDHCI_ST=y
 CONFIG_MMC_OMAP=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_MMC_ATMELMCI=y
 CONFIG_MMC_SDHCI_MSM=y
-CONFIG_MMC_MESON_MX_SDIO=y
 CONFIG_MMC_MVSDIO=y
 CONFIG_MMC_SDHI=y
 CONFIG_MMC_DW=y
-CONFIG_MMC_DW_PLTFM=y
 CONFIG_MMC_DW_EXYNOS=y
 CONFIG_MMC_DW_ROCKCHIP=y
 CONFIG_MMC_SH_MMCIF=y
@@ -847,94 +805,85 @@ CONFIG_RTC_DRV_MAX77686=y
 CONFIG_RTC_DRV_RK808=m
 CONFIG_RTC_DRV_RS5C372=m
 CONFIG_RTC_DRV_BQ32K=m
-CONFIG_RTC_DRV_PALMAS=y
-CONFIG_RTC_DRV_ST_LPC=y
 CONFIG_RTC_DRV_TWL4030=y
+CONFIG_RTC_DRV_PALMAS=y
 CONFIG_RTC_DRV_TPS6586X=y
 CONFIG_RTC_DRV_TPS65910=y
 CONFIG_RTC_DRV_S35390A=m
 CONFIG_RTC_DRV_RX8581=m
 CONFIG_RTC_DRV_EM3027=y
+CONFIG_RTC_DRV_S5M=m
 CONFIG_RTC_DRV_DA9063=m
 CONFIG_RTC_DRV_EFI=m
 CONFIG_RTC_DRV_DIGICOLOR=m
-CONFIG_RTC_DRV_S5M=m
 CONFIG_RTC_DRV_S3C=m
 CONFIG_RTC_DRV_PL031=y
 CONFIG_RTC_DRV_AT91RM9200=m
 CONFIG_RTC_DRV_AT91SAM9=m
 CONFIG_RTC_DRV_VT8500=y
-CONFIG_RTC_DRV_SUN6I=y
 CONFIG_RTC_DRV_SUNXI=y
 CONFIG_RTC_DRV_MV=y
 CONFIG_RTC_DRV_TEGRA=y
+CONFIG_RTC_DRV_ST_LPC=y
 CONFIG_RTC_DRV_CPCAP=m
 CONFIG_DMADEVICES=y
-CONFIG_DW_DMAC=y
 CONFIG_AT_HDMAC=y
 CONFIG_AT_XDMAC=y
+CONFIG_DMA_BCM2835=y
+CONFIG_DMA_SUN6I=y
 CONFIG_FSL_EDMA=y
+CONFIG_IMX_DMA=y
+CONFIG_IMX_SDMA=y
 CONFIG_MV_XOR=y
+CONFIG_MXS_DMA=y
+CONFIG_PL330_DMA=y
+CONFIG_SIRF_DMA=y
+CONFIG_STE_DMA40=y
+CONFIG_ST_FDMA=m
 CONFIG_TEGRA20_APB_DMA=y
+CONFIG_XILINX_DMA=y
+CONFIG_QCOM_BAM_DMA=y
+CONFIG_DW_DMAC=y
 CONFIG_SH_DMAE=y
 CONFIG_RCAR_DMAC=y
 CONFIG_RENESAS_USB_DMAC=m
-CONFIG_STE_DMA40=y
-CONFIG_SIRF_DMA=y
-CONFIG_TI_EDMA=y
-CONFIG_PL330_DMA=y
-CONFIG_IMX_SDMA=y
-CONFIG_IMX_DMA=y
-CONFIG_MXS_DMA=y
-CONFIG_DMA_BCM2835=y
-CONFIG_DMA_OMAP=y
-CONFIG_QCOM_BAM_DMA=y
-CONFIG_XILINX_DMA=y
-CONFIG_DMA_SUN6I=y
-CONFIG_ST_FDMA=m
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_MMIO=y
 CONFIG_STAGING=y
-CONFIG_SENSORS_ISL29018=y
-CONFIG_SENSORS_ISL29028=y
 CONFIG_MFD_NVEC=y
 CONFIG_KEYBOARD_NVEC=y
 CONFIG_SERIO_NVEC_PS2=y
 CONFIG_NVEC_POWER=y
 CONFIG_NVEC_PAZ00=y
-CONFIG_BCMA=y
-CONFIG_BCMA_HOST_SOC=y
-CONFIG_BCMA_DRIVER_GMAC_CMN=y
-CONFIG_BCMA_DRIVER_GPIO=y
-CONFIG_QCOM_GSBI=y
-CONFIG_QCOM_PM=y
-CONFIG_QCOM_SMEM=y
-CONFIG_QCOM_SMD_RPM=y
-CONFIG_QCOM_SMP2P=y
-CONFIG_QCOM_SMSM=y
-CONFIG_QCOM_WCNSS_CTRL=m
-CONFIG_ROCKCHIP_PM_DOMAINS=y
-CONFIG_COMMON_CLK_QCOM=y
-CONFIG_QCOM_CLK_RPM=y
-CONFIG_CHROME_PLATFORMS=y
 CONFIG_STAGING_BOARD=y
-CONFIG_CROS_EC_CHARDEV=m
 CONFIG_COMMON_CLK_MAX77686=y
 CONFIG_COMMON_CLK_RK808=m
 CONFIG_COMMON_CLK_S2MPS11=m
+CONFIG_COMMON_CLK_QCOM=y
+CONFIG_QCOM_CLK_RPM=y
 CONFIG_APQ_MMCC_8084=y
 CONFIG_MSM_GCC_8660=y
 CONFIG_MSM_MMCC_8960=y
 CONFIG_MSM_MMCC_8974=y
-CONFIG_HWSPINLOCK_QCOM=y
+CONFIG_BCM2835_MBOX=y
 CONFIG_ROCKCHIP_IOMMU=y
 CONFIG_TEGRA_IOMMU_GART=y
 CONFIG_TEGRA_IOMMU_SMMU=y
 CONFIG_REMOTEPROC=m
 CONFIG_ST_REMOTEPROC=m
 CONFIG_RPMSG_VIRTIO=m
+CONFIG_RASPBERRYPI_POWER=y
+CONFIG_QCOM_GSBI=y
+CONFIG_QCOM_PM=y
+CONFIG_QCOM_SMD_RPM=m
+CONFIG_QCOM_WCNSS_CTRL=m
+CONFIG_ROCKCHIP_PM_DOMAINS=y
+CONFIG_ARCH_TEGRA_2x_SOC=y
+CONFIG_ARCH_TEGRA_3x_SOC=y
+CONFIG_ARCH_TEGRA_114_SOC=y
+CONFIG_ARCH_TEGRA_124_SOC=y
 CONFIG_PM_DEVFREQ=y
 CONFIG_ARM_TEGRA_DEVFREQ=m
-CONFIG_MEMORY=y
-CONFIG_EXTCON=y
 CONFIG_TI_AEMIF=y
 CONFIG_IIO=y
 CONFIG_IIO_SW_TRIGGER=y
@@ -947,56 +896,54 @@ CONFIG_VF610_ADC=m
 CONFIG_XILINX_XADC=y
 CONFIG_MPU3050_I2C=y
 CONFIG_CM36651=m
+CONFIG_SENSORS_ISL29018=y
+CONFIG_SENSORS_ISL29028=y
 CONFIG_AK8975=y
-CONFIG_RASPBERRYPI_POWER=y
 CONFIG_IIO_HRTIMER_TRIGGER=y
 CONFIG_PWM=y
 CONFIG_PWM_ATMEL=m
 CONFIG_PWM_ATMEL_HLCDC_PWM=m
 CONFIG_PWM_ATMEL_TCB=m
+CONFIG_PWM_BCM2835=y
+CONFIG_PWM_BRCMSTB=m
 CONFIG_PWM_FSL_FTM=m
 CONFIG_PWM_MESON=m
 CONFIG_PWM_RCAR=m
 CONFIG_PWM_RENESAS_TPU=y
 CONFIG_PWM_ROCKCHIP=m
 CONFIG_PWM_SAMSUNG=m
+CONFIG_PWM_STI=y
 CONFIG_PWM_SUN4I=y
 CONFIG_PWM_TEGRA=y
 CONFIG_PWM_VT8500=y
+CONFIG_KEYSTONE_IRQ=y
+CONFIG_PHY_SUN4I_USB=y
+CONFIG_PHY_SUN9I_USB=y
 CONFIG_PHY_HIX5HD2_SATA=y
-CONFIG_E1000E=y
-CONFIG_PWM_STI=y
-CONFIG_PWM_BCM2835=y
-CONFIG_PWM_BRCMSTB=m
-CONFIG_PHY_DM816X_USB=m
-CONFIG_OMAP_USB2=y
-CONFIG_TI_PIPE3=y
-CONFIG_TWL4030_USB=m
+CONFIG_PHY_BERLIN_SATA=y
 CONFIG_PHY_BERLIN_USB=y
 CONFIG_PHY_CPCAP_USB=m
-CONFIG_PHY_BERLIN_SATA=y
+CONFIG_PHY_QCOM_APQ8064_SATA=m
+CONFIG_PHY_RCAR_GEN2=m
 CONFIG_PHY_ROCKCHIP_DP=m
 CONFIG_PHY_ROCKCHIP_USB=y
-CONFIG_PHY_QCOM_APQ8064_SATA=m
+CONFIG_PHY_SAMSUNG_USB2=m
 CONFIG_PHY_MIPHY28LP=y
-CONFIG_PHY_RCAR_GEN2=m
 CONFIG_PHY_STIH407_USB=y
 CONFIG_PHY_STM32_USBPHYC=y
-CONFIG_PHY_SUN4I_USB=y
-CONFIG_PHY_SUN9I_USB=y
-CONFIG_PHY_SAMSUNG_USB2=m
 CONFIG_PHY_TEGRA_XUSB=y
-CONFIG_PHY_BRCM_SATA=y
-CONFIG_NVMEM=y
+CONFIG_PHY_DM816X_USB=m
+CONFIG_OMAP_USB2=y
+CONFIG_TI_PIPE3=y
+CONFIG_TWL4030_USB=m
 CONFIG_NVMEM_IMX_OCOTP=y
 CONFIG_NVMEM_SUNXI_SID=y
 CONFIG_NVMEM_VF610_OCOTP=y
-CONFIG_BCM2835_MBOX=y
 CONFIG_RASPBERRYPI_FIRMWARE=y
-CONFIG_EFI_VARS=m
-CONFIG_EFI_CAPSULE_LOADER=m
 CONFIG_BCM47XX_NVRAM=y
 CONFIG_BCM47XX_SPROM=y
+CONFIG_EFI_VARS=m
+CONFIG_EFI_CAPSULE_LOADER=m
 CONFIG_EXT4_FS=y
 CONFIG_AUTOFS4_FS=y
 CONFIG_MSDOS_FS=y
@@ -1004,7 +951,6 @@ CONFIG_VFAT_FS=y
 CONFIG_NTFS_FS=y
 CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_UBIFS_FS=y
-CONFIG_TMPFS=y
 CONFIG_SQUASHFS=y
 CONFIG_SQUASHFS_LZO=y
 CONFIG_SQUASHFS_XZ=y
@@ -1020,13 +966,7 @@ CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_UTF8=y
 CONFIG_PRINTK_TIME=y
-CONFIG_DEBUG_FS=y
 CONFIG_MAGIC_SYSRQ=y
-CONFIG_LOCKUP_DETECTOR=y
-CONFIG_CPUFREQ_DT=y
-CONFIG_KEYSTONE_IRQ=y
-CONFIG_HW_RANDOM=y
-CONFIG_HW_RANDOM_ST=y
 CONFIG_CRYPTO_USER=m
 CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
@@ -1035,27 +975,19 @@ CONFIG_CRYPTO_USER_API_AEAD=m
 CONFIG_CRYPTO_DEV_MARVELL_CESA=m
 CONFIG_CRYPTO_DEV_EXYNOS_RNG=m
 CONFIG_CRYPTO_DEV_S5P=m
+CONFIG_CRYPTO_DEV_ATMEL_AES=m
+CONFIG_CRYPTO_DEV_ATMEL_TDES=m
+CONFIG_CRYPTO_DEV_ATMEL_SHA=m
 CONFIG_CRYPTO_DEV_SUN4I_SS=m
 CONFIG_CRYPTO_DEV_ROCKCHIP=m
 CONFIG_ARM_CRYPTO=y
-CONFIG_CRYPTO_SHA1_ARM=m
 CONFIG_CRYPTO_SHA1_ARM_NEON=m
 CONFIG_CRYPTO_SHA1_ARM_CE=m
 CONFIG_CRYPTO_SHA2_ARM_CE=m
-CONFIG_CRYPTO_SHA256_ARM=m
 CONFIG_CRYPTO_SHA512_ARM=m
 CONFIG_CRYPTO_AES_ARM=m
 CONFIG_CRYPTO_AES_ARM_BS=m
 CONFIG_CRYPTO_AES_ARM_CE=m
-CONFIG_CRYPTO_CHACHA20_NEON=m
-CONFIG_CRYPTO_CRC32_ARM_CE=m
-CONFIG_CRYPTO_CRCT10DIF_ARM_CE=m
 CONFIG_CRYPTO_GHASH_ARM_CE=m
-CONFIG_CRYPTO_DEV_ATMEL_AES=m
-CONFIG_CRYPTO_DEV_ATMEL_TDES=m
-CONFIG_CRYPTO_DEV_ATMEL_SHA=m
-CONFIG_VIDEO_VIVID=m
-CONFIG_VIRTIO=y
-CONFIG_VIRTIO_PCI=y
-CONFIG_VIRTIO_PCI_LEGACY=y
-CONFIG_VIRTIO_MMIO=y
+CONFIG_CRYPTO_CRC32_ARM_CE=m
+CONFIG_CRYPTO_CHACHA20_NEON=m
index 3c1e203e53b9ccd752731f228b595a5678557782..57caa742016ed59bc8d3755fd6b9526f0c05f860 100644 (file)
         * Allocate stack space to store 128 bytes worth of tweaks.  For
         * performance, this space is aligned to a 16-byte boundary so that we
         * can use the load/store instructions that declare 16-byte alignment.
+        * For Thumb2 compatibility, don't do the 'bic' directly on 'sp'.
         */
-       sub             sp, #128
-       bic             sp, #0xf
+       sub             r12, sp, #128
+       bic             r12, #0xf
+       mov             sp, r12
 
 .if \n == 64
        // Load first tweak
index a71f16536b6c178c09334efc3047f4ddcc8da91b..6e41336b0bc4fc71ebaf5f5f4bae7e5e9e1b0395 100644 (file)
@@ -1 +1,4 @@
 obj-$(CONFIG_TRUSTED_FOUNDATIONS)      += trusted_foundations.o
+
+# tf_generic_smc() fails to build with -fsanitize-coverage=trace-pc
+KCOV_INSTRUMENT                := n
index c46a728df44ead2a0b986a1f218e3c61e9820c34..25aac6ee2ab18cdd0189c27bac759efc02f2d1c5 100644 (file)
@@ -20,6 +20,7 @@ config ARCH_BCM_IPROC
        select GPIOLIB
        select ARM_AMBA
        select PINCTRL
+       select PCI_DOMAINS if PCI
        help
          This enables support for systems based on Broadcom IPROC architected SoCs.
          The IPROC complex contains one or more ARM CPUs along with common
index e22fb40e34bc55be6dd807de63fb9cd009107916..6d5beb11bd965a805107328d2522144f4b857f9a 100644 (file)
@@ -774,7 +774,7 @@ static struct gpiod_lookup_table mmc_gpios_table = {
                GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_CD_PIN, "cd",
                            GPIO_ACTIVE_LOW),
                GPIO_LOOKUP("davinci_gpio.0", DA850_MMCSD_WP_PIN, "wp",
-                           GPIO_ACTIVE_LOW),
+                           GPIO_ACTIVE_HIGH),
        },
 };
 
index d0f62eacf59da510388dd206d2673eb1b6aa84e3..4adb901dd5ebdd99f2a2b747c1bc237e123a87de 100644 (file)
@@ -10,6 +10,7 @@ menuconfig ARCH_SOCFPGA
        select HAVE_ARM_SCU
        select HAVE_ARM_TWD if SMP
        select MFD_SYSCON
+       select PCI_DOMAINS if PCI
 
 if ARCH_SOCFPGA
 config SOCFPGA_SUSPEND
index 6e8b7161303936908b3b2b7adfced5d17de379ce..f6a62ae44a65b61e162203ad261a7fbb5d4b34cf 100644 (file)
@@ -1844,7 +1844,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
                /* there are 2 passes here */
                bpf_jit_dump(prog->len, image_size, 2, ctx.target);
 
-       set_memory_ro((unsigned long)header, header->pages);
+       bpf_jit_binary_lock_ro(header);
        prog->bpf_func = (void *)ctx.target;
        prog->jited = 1;
        prog->jited_len = image_size;
index 45272266dafb64a1fda433e7f557bf11b89e908e..7976d2d242fa194b853a3c011b554fa6c979ef8e 100644 (file)
@@ -10,7 +10,7 @@
 #
 # Copyright (C) 1995-2001 by Russell King
 
-LDFLAGS_vmlinux        :=-p --no-undefined -X
+LDFLAGS_vmlinux        :=--no-undefined -X
 CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
 GZFLAGS                :=-9
 
@@ -60,15 +60,13 @@ ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
 KBUILD_CPPFLAGS        += -mbig-endian
 CHECKFLAGS     += -D__AARCH64EB__
 AS             += -EB
-LD             += -EB
-LDFLAGS                += -maarch64linuxb
+LDFLAGS                += -EB -maarch64elfb
 UTS_MACHINE    := aarch64_be
 else
 KBUILD_CPPFLAGS        += -mlittle-endian
 CHECKFLAGS     += -D__AARCH64EL__
 AS             += -EL
-LD             += -EL
-LDFLAGS                += -maarch64linux
+LDFLAGS                += -EL -maarch64elf
 UTS_MACHINE    := aarch64
 endif
 
index e6b059378dc04784927a9b996f24213685bf406a..67dac595dc72ebdeffcd5b6bffd50d115cce8cbc 100644 (file)
                        interrupts = <0 99 4>;
                        resets = <&rst SPIM0_RESET>;
                        reg-io-width = <4>;
-                       num-chipselect = <4>;
-                       bus-num = <0>;
+                       num-cs = <4>;
                        status = "disabled";
                };
 
                        interrupts = <0 100 4>;
                        resets = <&rst SPIM1_RESET>;
                        reg-io-width = <4>;
-                       num-chipselect = <4>;
-                       bus-num = <0>;
+                       num-cs = <4>;
                        status = "disabled";
                };
 
index 4b3331fbfe39d7b81d9466fb718975b6265c8e5e..dff9b15eb3c0b63a70c65070c465305c35985dee 100644 (file)
 
 &ethmac {
        status = "okay";
-       phy-mode = "rgmii";
        pinctrl-0 = <&eth_rgmii_y_pins>;
        pinctrl-names = "default";
+       phy-handle = <&eth_phy0>;
+       phy-mode = "rgmii";
+
+       mdio {
+               compatible = "snps,dwmac-mdio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               eth_phy0: ethernet-phy@0 {
+                       /* Realtek RTL8211F (0x001cc916) */
+                       reg = <0>;
+                       eee-broken-1000t;
+               };
+       };
 };
 
 &uart_A {
index fee87737a201f1121fe7a3ad3cd70c1d20415a0d..67d7115e4effbde75173aa4a4c07ae890b3183c5 100644 (file)
 
                        sd_emmc_b: sd@5000 {
                                compatible = "amlogic,meson-axg-mmc";
-                               reg = <0x0 0x5000 0x0 0x2000>;
+                               reg = <0x0 0x5000 0x0 0x800>;
                                interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                                clocks = <&clkc CLKID_SD_EMMC_B>,
 
                        sd_emmc_c: mmc@7000 {
                                compatible = "amlogic,meson-axg-mmc";
-                               reg = <0x0 0x7000 0x0 0x2000>;
+                               reg = <0x0 0x7000 0x0 0x800>;
                                interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                                clocks = <&clkc CLKID_SD_EMMC_C>,
index 3c31e21cbed7fcdde5bbdf030fcd6c194be5033d..b8dc4dbb391b669fc13eb13b1a24f01d24ab252f 100644 (file)
                        no-map;
                };
 
+               /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
+               secmon_reserved_alt: secmon@5000000 {
+                       reg = <0x0 0x05000000 0x0 0x300000>;
+                       no-map;
+               };
+
                linux,cma {
                        compatible = "shared-dma-pool";
                        reusable;
 
                        sd_emmc_a: mmc@70000 {
                                compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
-                               reg = <0x0 0x70000 0x0 0x2000>;
+                               reg = <0x0 0x70000 0x0 0x800>;
                                interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                        };
 
                        sd_emmc_b: mmc@72000 {
                                compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
-                               reg = <0x0 0x72000 0x0 0x2000>;
+                               reg = <0x0 0x72000 0x0 0x800>;
                                interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                        };
 
                        sd_emmc_c: mmc@74000 {
                                compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
-                               reg = <0x0 0x74000 0x0 0x2000>;
+                               reg = <0x0 0x74000 0x0 0x800>;
                                interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
                                status = "disabled";
                        };
index eb327664a4d8c38c196b7cec2dbbe5e5ac2c147f..6aaafff674f97f56625c2da8ea6a5b7dd10eb2d8 100644 (file)
@@ -6,7 +6,7 @@
 
 &apb {
        mali: gpu@c0000 {
-               compatible = "amlogic,meson-gxbb-mali", "arm,mali-450";
+               compatible = "amlogic,meson-gxl-mali", "arm,mali-450";
                reg = <0x0 0xc0000 0x0 0x40000>;
                interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
                             <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
index 3e3eb31748a35a7790a9dc90e56971f004660298..f63bceb88caafa249d84de963c3daa034fb842b7 100644 (file)
 
        bus-width = <4>;
        cap-sd-highspeed;
-       sd-uhs-sdr12;
-       sd-uhs-sdr25;
-       sd-uhs-sdr50;
        max-frequency = <100000000>;
        disable-wp;
 
index 0cfd701809dec578ac31f5f68a7fcfbc21822619..a1b31013ab6e3494d810619fadf81752a67b94f4 100644 (file)
 &usb0 {
        status = "okay";
 };
+
+&usb2_phy0 {
+       /*
+        * HDMI_5V is also used as supply for the USB VBUS.
+        */
+       phy-supply = <&hdmi_5v>;
+};
index 27538eea547b19a0fe8c14a97de4aa303ba63978..c87a80e9bcc6a80bc0f8a59c43a32d6485facafe 100644 (file)
 / {
        compatible = "amlogic,meson-gxl";
 
-       reserved-memory {
-               /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
-               secmon_reserved_alt: secmon@5000000 {
-                       reg = <0x0 0x05000000 0x0 0x300000>;
-                       no-map;
-               };
-       };
-
        soc {
                usb0: usb@c9000000 {
                        status = "disabled";
index 4a2a6af8e752dbbe3a17fa02861fb3603d7c44cb..4057197048dcbbacaee733c6067cc677fd1ad54d 100644 (file)
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 281 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <0>;
 
 
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0>;
-               interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 305 IRQ_TYPE_NONE>;
+               interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
 
                linux,pci-domain = <4>;
 
                        reg = <0x66080000 0x100>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 394 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 394 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        status = "disabled";
                };
                        reg = <0x660b0000 0x100>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 395 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        status = "disabled";
                };
index eb6f08cdbd796c3d764393f9e2e70db2129b0e28..77efa28c4dd53db718b22e64569385f6d92c2feb 100644 (file)
        enet-phy-lane-swap;
 };
 
+&sdio0 {
+       mmc-ddr-1_8v;
+};
+
 &uart2 {
        status = "okay";
 };
index 5084b037320fd9cb65133ca929517062a245af3b..55ba495ef56e1f54b518483bc9e5369fcb03b441 100644 (file)
@@ -42,3 +42,7 @@
 &gphy0 {
        enet-phy-lane-swap;
 };
+
+&sdio0 {
+       mmc-ddr-1_8v;
+};
index 99aaff0b6d72b6bc971863411b80caa3dd165048..b203152ad67ca18b4421bb035b2d13d32d7f9be5 100644 (file)
                        reg = <0x000b0000 0x100>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 177 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        status = "disabled";
                };
                        reg = <0x000e0000 0x100>;
                        #address-cells = <1>;
                        #size-cells = <0>;
-                       interrupts = <GIC_SPI 178 IRQ_TYPE_NONE>;
+                       interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
                        clock-frequency = <100000>;
                        status = "disabled";
                };
index c6999624ed8abdcf4a7f8cea12635eb0606e6432..68c5a6c819aef2c3fbe8b59aac695cfb0c3a3a77 100644 (file)
        vmmc-supply = <&wlan_en>;
        ti,non-removable;
        non-removable;
+       cap-power-off-card;
+       keep-power-in-suspend;
        #address-cells = <0x1>;
        #size-cells = <0x0>;
        status = "ok";
index edb4ee0b8896b2c9a5572e1160e273eac42e062d..7f12624f6c8e8c6af0a3900f3e7d703a969c6c0e 100644 (file)
                dwmmc_2: dwmmc2@f723f000 {
                        bus-width = <0x4>;
                        non-removable;
+                       cap-power-off-card;
+                       keep-power-in-suspend;
                        vmmc-supply = <&reg_vdd_3v3>;
                        mmc-pwrseq = <&wl1835_pwrseq>;
 
index 7dabe25f6774827fd08ec78b3f3793e5b5658177..1c6ff8197a88b1f890fed5b592b9358986942145 100644 (file)
 
                CP110_LABEL(icu): interrupt-controller@1e0000 {
                        compatible = "marvell,cp110-icu";
-                       reg = <0x1e0000 0x10>;
+                       reg = <0x1e0000 0x440>;
                        #interrupt-cells = <3>;
                        interrupt-controller;
                        msi-parent = <&gicp>;
index 0f829db33efe2dfa2735a7cdf570de77c49a6356..4d5ef01f43a331c456eddf1a324f1e1d450bcea5 100644 (file)
@@ -75,7 +75,7 @@
 
                serial@75b1000 {
                        label = "LS-UART0";
-                       status = "okay";
+                       status = "disabled";
                        pinctrl-names = "default", "sleep";
                        pinctrl-0 = <&blsp2_uart2_4pins_default>;
                        pinctrl-1 = <&blsp2_uart2_4pins_sleep>;
index 650f356f69ca748f0fbef0c52f4026e43f511e46..c2625d15a8c08f535e6f00f5c8228212c4d7ec5f 100644 (file)
 
                                port@0 {
                                        reg = <0>;
-                                       etf_out: endpoint {
+                                       etf_in: endpoint {
                                                slave-mode;
                                                remote-endpoint = <&funnel0_out>;
                                        };
                                };
                                port@1 {
                                        reg = <0>;
-                                       etf_in: endpoint {
+                                       etf_out: endpoint {
                                                remote-endpoint = <&replicator_in>;
                                        };
                                };
index 9b4dc41703e38036283aa2a4eededd3322e7a428..ae3b5adf32dfe4a31125880e3a8fa49877c83923 100644 (file)
@@ -54,7 +54,7 @@
        sound {
                compatible = "audio-graph-card";
                label = "UniPhier LD11";
-               widgets = "Headphone", "Headphone Jack";
+               widgets = "Headphone", "Headphones";
                dais = <&i2s_port2
                        &i2s_port3
                        &i2s_port4
index fe6608ea327772e3ad0125c020f8d0102dda35bb..7919233c9ce27e3c86dc8dffce13a97e00112c64 100644 (file)
@@ -54,7 +54,7 @@
        sound {
                compatible = "audio-graph-card";
                label = "UniPhier LD20";
-               widgets = "Headphone", "Headphone Jack";
+               widgets = "Headphone", "Headphones";
                dais = <&i2s_port2
                        &i2s_port3
                        &i2s_port4
index 3cfa8ca267384615694e693ed0371df694fea1f4..f9a186f6af8a9206de939bbdf3f6013988b8b994 100644 (file)
@@ -47,6 +47,7 @@ CONFIG_ARCH_MVEBU=y
 CONFIG_ARCH_QCOM=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_ARCH_SEATTLE=y
+CONFIG_ARCH_SYNQUACER=y
 CONFIG_ARCH_RENESAS=y
 CONFIG_ARCH_R8A7795=y
 CONFIG_ARCH_R8A7796=y
@@ -58,7 +59,6 @@ CONFIG_ARCH_R8A77995=y
 CONFIG_ARCH_STRATIX10=y
 CONFIG_ARCH_TEGRA=y
 CONFIG_ARCH_SPRD=y
-CONFIG_ARCH_SYNQUACER=y
 CONFIG_ARCH_THUNDER=y
 CONFIG_ARCH_THUNDER2=y
 CONFIG_ARCH_UNIPHIER=y
@@ -67,25 +67,23 @@ CONFIG_ARCH_XGENE=y
 CONFIG_ARCH_ZX=y
 CONFIG_ARCH_ZYNQMP=y
 CONFIG_PCI=y
-CONFIG_HOTPLUG_PCI_PCIE=y
 CONFIG_PCI_IOV=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_ACPI=y
-CONFIG_PCI_LAYERSCAPE=y
-CONFIG_PCI_HISI=y
-CONFIG_PCIE_QCOM=y
-CONFIG_PCIE_KIRIN=y
-CONFIG_PCIE_ARMADA_8K=y
-CONFIG_PCIE_HISI_STB=y
 CONFIG_PCI_AARDVARK=y
 CONFIG_PCI_TEGRA=y
 CONFIG_PCIE_RCAR=y
-CONFIG_PCIE_ROCKCHIP=y
-CONFIG_PCIE_ROCKCHIP_HOST=m
 CONFIG_PCI_HOST_GENERIC=y
 CONFIG_PCI_XGENE=y
 CONFIG_PCI_HOST_THUNDER_PEM=y
 CONFIG_PCI_HOST_THUNDER_ECAM=y
+CONFIG_PCIE_ROCKCHIP_HOST=m
+CONFIG_PCI_LAYERSCAPE=y
+CONFIG_PCI_HISI=y
+CONFIG_PCIE_QCOM=y
+CONFIG_PCIE_ARMADA_8K=y
+CONFIG_PCIE_KIRIN=y
+CONFIG_PCIE_HISI_STB=y
 CONFIG_ARM64_VA_BITS_48=y
 CONFIG_SCHED_MC=y
 CONFIG_NUMA=y
@@ -104,8 +102,6 @@ CONFIG_HIBERNATION=y
 CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y
 CONFIG_ARM_CPUIDLE=y
 CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_GOV_ATTR_SET=y
-CONFIG_CPU_FREQ_GOV_COMMON=y
 CONFIG_CPU_FREQ_STAT=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=m
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
@@ -113,11 +109,11 @@ CONFIG_CPU_FREQ_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
 CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
 CONFIG_CPUFREQ_DT=y
+CONFIG_ACPI_CPPC_CPUFREQ=m
 CONFIG_ARM_ARMADA_37XX_CPUFREQ=y
 CONFIG_ARM_BIG_LITTLE_CPUFREQ=y
 CONFIG_ARM_SCPI_CPUFREQ=y
 CONFIG_ARM_TEGRA186_CPUFREQ=y
-CONFIG_ACPI_CPPC_CPUFREQ=m
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -236,11 +232,6 @@ CONFIG_SMSC911X=y
 CONFIG_SNI_AVE=y
 CONFIG_SNI_NETSEC=y
 CONFIG_STMMAC_ETH=m
-CONFIG_DWMAC_IPQ806X=m
-CONFIG_DWMAC_MESON=m
-CONFIG_DWMAC_ROCKCHIP=m
-CONFIG_DWMAC_SUNXI=m
-CONFIG_DWMAC_SUN8I=m
 CONFIG_MDIO_BUS_MUX_MMIOREG=y
 CONFIG_AT803X_PHY=m
 CONFIG_MARVELL_PHY=m
@@ -269,8 +260,8 @@ CONFIG_WL18XX=m
 CONFIG_WLCORE_SDIO=m
 CONFIG_INPUT_EVDEV=y
 CONFIG_KEYBOARD_ADC=m
-CONFIG_KEYBOARD_CROS_EC=y
 CONFIG_KEYBOARD_GPIO=y
+CONFIG_KEYBOARD_CROS_EC=y
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_ATMEL_MXT=m
 CONFIG_INPUT_MISC=y
@@ -296,17 +287,13 @@ CONFIG_SERIAL_SAMSUNG=y
 CONFIG_SERIAL_SAMSUNG_CONSOLE=y
 CONFIG_SERIAL_TEGRA=y
 CONFIG_SERIAL_SH_SCI=y
-CONFIG_SERIAL_SH_SCI_NR_UARTS=11
-CONFIG_SERIAL_SH_SCI_CONSOLE=y
 CONFIG_SERIAL_MSM=y
 CONFIG_SERIAL_MSM_CONSOLE=y
 CONFIG_SERIAL_XILINX_PS_UART=y
 CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
 CONFIG_SERIAL_MVEBU_UART=y
 CONFIG_SERIAL_DEV_BUS=y
-CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
 CONFIG_VIRTIO_CONSOLE=y
-CONFIG_I2C_HID=m
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_MUX=y
 CONFIG_I2C_MUX_PCA954x=y
@@ -325,26 +312,26 @@ CONFIG_I2C_RCAR=y
 CONFIG_I2C_CROS_EC_TUNNEL=y
 CONFIG_SPI=y
 CONFIG_SPI_ARMADA_3700=y
-CONFIG_SPI_MESON_SPICC=m
-CONFIG_SPI_MESON_SPIFC=m
 CONFIG_SPI_BCM2835=m
 CONFIG_SPI_BCM2835AUX=m
+CONFIG_SPI_MESON_SPICC=m
+CONFIG_SPI_MESON_SPIFC=m
 CONFIG_SPI_ORION=y
 CONFIG_SPI_PL022=y
-CONFIG_SPI_QUP=y
 CONFIG_SPI_ROCKCHIP=y
+CONFIG_SPI_QUP=y
 CONFIG_SPI_S3C64XX=y
 CONFIG_SPI_SPIDEV=m
 CONFIG_SPMI=y
-CONFIG_PINCTRL_IPQ8074=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_PINCTRL_MAX77620=y
+CONFIG_PINCTRL_IPQ8074=y
 CONFIG_PINCTRL_MSM8916=y
 CONFIG_PINCTRL_MSM8994=y
 CONFIG_PINCTRL_MSM8996=y
-CONFIG_PINCTRL_MT7622=y
 CONFIG_PINCTRL_QDF2XXX=y
 CONFIG_PINCTRL_QCOM_SPMI_PMIC=y
+CONFIG_PINCTRL_MT7622=y
 CONFIG_GPIO_DWAPB=y
 CONFIG_GPIO_MB86S7X=y
 CONFIG_GPIO_PL061=y
@@ -368,13 +355,13 @@ CONFIG_SENSORS_INA2XX=m
 CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
 CONFIG_CPU_THERMAL=y
 CONFIG_THERMAL_EMULATION=y
+CONFIG_ROCKCHIP_THERMAL=m
+CONFIG_RCAR_GEN3_THERMAL=y
 CONFIG_ARMADA_THERMAL=y
 CONFIG_BRCMSTB_THERMAL=m
 CONFIG_EXYNOS_THERMAL=y
-CONFIG_RCAR_GEN3_THERMAL=y
-CONFIG_QCOM_TSENS=y
-CONFIG_ROCKCHIP_THERMAL=m
 CONFIG_TEGRA_BPMP_THERMAL=m
+CONFIG_QCOM_TSENS=y
 CONFIG_UNIPHIER_THERMAL=y
 CONFIG_WATCHDOG=y
 CONFIG_S3C2410_WATCHDOG=y
@@ -395,9 +382,9 @@ CONFIG_MFD_MAX77620=y
 CONFIG_MFD_SPMI_PMIC=y
 CONFIG_MFD_RK808=y
 CONFIG_MFD_SEC_CORE=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_REGULATOR_AXP20X=y
 CONFIG_REGULATOR_FAN53555=y
-CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_REGULATOR_GPIO=y
 CONFIG_REGULATOR_HI6421V530=y
 CONFIG_REGULATOR_HI655X=y
@@ -407,16 +394,15 @@ CONFIG_REGULATOR_QCOM_SMD_RPM=y
 CONFIG_REGULATOR_QCOM_SPMI=y
 CONFIG_REGULATOR_RK808=y
 CONFIG_REGULATOR_S2MPS11=y
+CONFIG_RC_CORE=m
+CONFIG_RC_DECODERS=y
+CONFIG_RC_DEVICES=y
+CONFIG_IR_MESON=m
 CONFIG_MEDIA_SUPPORT=m
 CONFIG_MEDIA_CAMERA_SUPPORT=y
 CONFIG_MEDIA_ANALOG_TV_SUPPORT=y
 CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
 CONFIG_MEDIA_CONTROLLER=y
-CONFIG_MEDIA_RC_SUPPORT=y
-CONFIG_RC_CORE=m
-CONFIG_RC_DEVICES=y
-CONFIG_RC_DECODERS=y
-CONFIG_IR_MESON=m
 CONFIG_VIDEO_V4L2_SUBDEV_API=y
 # CONFIG_DVB_NET is not set
 CONFIG_V4L_MEM2MEM_DRIVERS=y
@@ -441,8 +427,7 @@ CONFIG_ROCKCHIP_DW_HDMI=y
 CONFIG_ROCKCHIP_DW_MIPI_DSI=y
 CONFIG_ROCKCHIP_INNO_HDMI=y
 CONFIG_DRM_RCAR_DU=m
-CONFIG_DRM_RCAR_LVDS=y
-CONFIG_DRM_RCAR_VSP=y
+CONFIG_DRM_RCAR_LVDS=m
 CONFIG_DRM_TEGRA=m
 CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_I2C_ADV7511=m
@@ -455,7 +440,6 @@ CONFIG_FB_ARMCLCD=y
 CONFIG_BACKLIGHT_GENERIC=m
 CONFIG_BACKLIGHT_PWM=m
 CONFIG_BACKLIGHT_LP855X=m
-CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
@@ -468,6 +452,7 @@ CONFIG_SND_SOC_RCAR=m
 CONFIG_SND_SOC_AK4613=m
 CONFIG_SND_SIMPLE_CARD=m
 CONFIG_SND_AUDIO_GRAPH_CARD=m
+CONFIG_I2C_HID=m
 CONFIG_USB=y
 CONFIG_USB_OTG=y
 CONFIG_USB_XHCI_HCD=y
@@ -501,12 +486,12 @@ CONFIG_MMC_BLOCK_MINORS=32
 CONFIG_MMC_ARMMMCI=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ACPI=y
-CONFIG_MMC_SDHCI_F_SDH30=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_OF_ARASAN=y
 CONFIG_MMC_SDHCI_OF_ESDHC=y
 CONFIG_MMC_SDHCI_CADENCE=y
 CONFIG_MMC_SDHCI_TEGRA=y
+CONFIG_MMC_SDHCI_F_SDH30=y
 CONFIG_MMC_MESON_GX=y
 CONFIG_MMC_SDHCI_MSM=y
 CONFIG_MMC_SPI=y
@@ -524,11 +509,11 @@ CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_PWM=y
 CONFIG_LEDS_SYSCON=y
+CONFIG_LEDS_TRIGGER_DISK=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_CPU=y
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_LEDS_TRIGGER_PANIC=y
-CONFIG_LEDS_TRIGGER_DISK=y
 CONFIG_EDAC=y
 CONFIG_EDAC_GHES=y
 CONFIG_RTC_CLASS=y
@@ -537,13 +522,13 @@ CONFIG_RTC_DRV_RK808=m
 CONFIG_RTC_DRV_S5M=y
 CONFIG_RTC_DRV_DS3232=y
 CONFIG_RTC_DRV_EFI=y
+CONFIG_RTC_DRV_CROS_EC=y
 CONFIG_RTC_DRV_S3C=y
 CONFIG_RTC_DRV_PL031=y
 CONFIG_RTC_DRV_SUN6I=y
 CONFIG_RTC_DRV_ARMADA38X=y
 CONFIG_RTC_DRV_TEGRA=y
 CONFIG_RTC_DRV_XGENE=y
-CONFIG_RTC_DRV_CROS_EC=y
 CONFIG_DMADEVICES=y
 CONFIG_DMA_BCM2835=m
 CONFIG_K3_DMA=y
@@ -579,7 +564,6 @@ CONFIG_HWSPINLOCK_QCOM=y
 CONFIG_ARM_MHU=y
 CONFIG_PLATFORM_MHU=y
 CONFIG_BCM2835_MBOX=y
-CONFIG_HI6220_MBOX=y
 CONFIG_QCOM_APCS_IPC=y
 CONFIG_ROCKCHIP_IOMMU=y
 CONFIG_TEGRA_IOMMU_SMMU=y
@@ -602,7 +586,6 @@ CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
 CONFIG_EXTCON_USB_GPIO=y
 CONFIG_EXTCON_USBC_CROS_EC=y
 CONFIG_MEMORY=y
-CONFIG_TEGRA_MC=y
 CONFIG_IIO=y
 CONFIG_EXYNOS_ADC=y
 CONFIG_ROCKCHIP_SARADC=m
@@ -618,27 +601,27 @@ CONFIG_PWM_RCAR=m
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_PWM_SAMSUNG=y
 CONFIG_PWM_TEGRA=m
+CONFIG_PHY_XGENE=y
+CONFIG_PHY_SUN4I_USB=y
+CONFIG_PHY_HI6220_USB=y
 CONFIG_PHY_HISTB_COMBPHY=y
 CONFIG_PHY_HISI_INNO_USB2=y
-CONFIG_PHY_RCAR_GEN3_USB2=y
-CONFIG_PHY_RCAR_GEN3_USB3=m
-CONFIG_PHY_HI6220_USB=y
-CONFIG_PHY_QCOM_USB_HS=y
-CONFIG_PHY_SUN4I_USB=y
 CONFIG_PHY_MVEBU_CP110_COMPHY=y
 CONFIG_PHY_QCOM_QMP=m
-CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_QCOM_USB_HS=y
+CONFIG_PHY_RCAR_GEN3_USB2=y
+CONFIG_PHY_RCAR_GEN3_USB3=m
 CONFIG_PHY_ROCKCHIP_EMMC=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
 CONFIG_PHY_ROCKCHIP_PCIE=m
 CONFIG_PHY_ROCKCHIP_TYPEC=y
-CONFIG_PHY_XGENE=y
 CONFIG_PHY_TEGRA_XUSB=y
 CONFIG_QCOM_L2_PMU=y
 CONFIG_QCOM_L3_PMU=y
-CONFIG_MESON_EFUSE=m
 CONFIG_QCOM_QFPROM=y
 CONFIG_ROCKCHIP_EFUSE=y
 CONFIG_UNIPHIER_EFUSE=y
+CONFIG_MESON_EFUSE=m
 CONFIG_TEE=y
 CONFIG_OPTEE=y
 CONFIG_ARM_SCPI_PROTOCOL=y
@@ -647,7 +630,6 @@ CONFIG_EFI_CAPSULE_LOADER=y
 CONFIG_ACPI=y
 CONFIG_ACPI_APEI=y
 CONFIG_ACPI_APEI_GHES=y
-CONFIG_ACPI_APEI_PCIEAER=y
 CONFIG_ACPI_APEI_MEMORY_FAILURE=y
 CONFIG_ACPI_APEI_EINJ=y
 CONFIG_EXT2_FS=y
@@ -682,7 +664,6 @@ CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
-CONFIG_LOCKUP_DETECTOR=y
 # CONFIG_SCHED_DEBUG is not set
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_FTRACE is not set
@@ -691,20 +672,15 @@ CONFIG_SECURITY=y
 CONFIG_CRYPTO_ECHAINIV=y
 CONFIG_CRYPTO_ANSI_CPRNG=y
 CONFIG_ARM64_CRYPTO=y
-CONFIG_CRYPTO_SHA256_ARM64=m
-CONFIG_CRYPTO_SHA512_ARM64=m
 CONFIG_CRYPTO_SHA1_ARM64_CE=y
 CONFIG_CRYPTO_SHA2_ARM64_CE=y
+CONFIG_CRYPTO_SHA512_ARM64_CE=m
+CONFIG_CRYPTO_SHA3_ARM64=m
+CONFIG_CRYPTO_SM3_ARM64_CE=m
 CONFIG_CRYPTO_GHASH_ARM64_CE=y
 CONFIG_CRYPTO_CRCT10DIF_ARM64_CE=m
 CONFIG_CRYPTO_CRC32_ARM64_CE=m
-CONFIG_CRYPTO_AES_ARM64=m
-CONFIG_CRYPTO_AES_ARM64_CE=m
 CONFIG_CRYPTO_AES_ARM64_CE_CCM=y
 CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
-CONFIG_CRYPTO_AES_ARM64_NEON_BLK=m
 CONFIG_CRYPTO_CHACHA20_NEON=m
 CONFIG_CRYPTO_AES_ARM64_BS=m
-CONFIG_CRYPTO_SHA512_ARM64_CE=m
-CONFIG_CRYPTO_SHA3_ARM64=m
-CONFIG_CRYPTO_SM3_ARM64_CE=m
index a91933b1e2e62ba235ef05ddf8f9d34dbb6bcf49..4b650ec1d7dd1aa8d4418b6b896f81de4a2187ab 100644 (file)
@@ -28,7 +28,12 @@ typedef void (*alternative_cb_t)(struct alt_instr *alt,
                                 __le32 *origptr, __le32 *updptr, int nr_inst);
 
 void __init apply_alternatives_all(void);
-void apply_alternatives(void *start, size_t length);
+
+#ifdef CONFIG_MODULES
+void apply_alternatives_module(void *start, size_t length);
+#else
+static inline void apply_alternatives_module(void *start, size_t length) { }
+#endif
 
 #define ALTINSTR_ENTRY(feature,cb)                                           \
        " .word 661b - .\n"                             /* label           */ \
index 9f82d6b53851e4b6bedbb28f6d0e7480acd622a6..1bdeca8918a684814f84ca3841b88a3123749cbb 100644 (file)
@@ -224,10 +224,8 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
         * Only if the new pte is valid and kernel, otherwise TLB maintenance
         * or update_mmu_cache() have the necessary barriers.
         */
-       if (pte_valid_not_user(pte)) {
+       if (pte_valid_not_user(pte))
                dsb(ishst);
-               isb();
-       }
 }
 
 extern void __sync_icache_dcache(pte_t pteval);
@@ -434,7 +432,6 @@ static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
 {
        WRITE_ONCE(*pmdp, pmd);
        dsb(ishst);
-       isb();
 }
 
 static inline void pmd_clear(pmd_t *pmdp)
@@ -485,7 +482,6 @@ static inline void set_pud(pud_t *pudp, pud_t pud)
 {
        WRITE_ONCE(*pudp, pud);
        dsb(ishst);
-       isb();
 }
 
 static inline void pud_clear(pud_t *pudp)
index 5c4bce4ac381a4ab87107e4aa47a9b7beef7d891..36fb069fd049c7053f38b75b9916bba7cb630643 100644 (file)
@@ -122,7 +122,30 @@ static void patch_alternative(struct alt_instr *alt,
        }
 }
 
-static void __apply_alternatives(void *alt_region, bool use_linear_alias)
+/*
+ * We provide our own, private D-cache cleaning function so that we don't
+ * accidentally call into the cache.S code, which is patched by us at
+ * runtime.
+ */
+static void clean_dcache_range_nopatch(u64 start, u64 end)
+{
+       u64 cur, d_size, ctr_el0;
+
+       ctr_el0 = read_sanitised_ftr_reg(SYS_CTR_EL0);
+       d_size = 4 << cpuid_feature_extract_unsigned_field(ctr_el0,
+                                                          CTR_DMINLINE_SHIFT);
+       cur = start & ~(d_size - 1);
+       do {
+               /*
+                * We must clean+invalidate to the PoC in order to avoid
+                * Cortex-A53 errata 826319, 827319, 824069 and 819472
+                * (this corresponds to ARM64_WORKAROUND_CLEAN_CACHE)
+                */
+               asm volatile("dc civac, %0" : : "r" (cur) : "memory");
+       } while (cur += d_size, cur < end);
+}
+
+static void __apply_alternatives(void *alt_region, bool is_module)
 {
        struct alt_instr *alt;
        struct alt_region *region = alt_region;
@@ -145,7 +168,7 @@ static void __apply_alternatives(void *alt_region, bool use_linear_alias)
                pr_info_once("patching kernel code\n");
 
                origptr = ALT_ORIG_PTR(alt);
-               updptr = use_linear_alias ? lm_alias(origptr) : origptr;
+               updptr = is_module ? origptr : lm_alias(origptr);
                nr_inst = alt->orig_len / AARCH64_INSN_SIZE;
 
                if (alt->cpufeature < ARM64_CB_PATCH)
@@ -155,8 +178,20 @@ static void __apply_alternatives(void *alt_region, bool use_linear_alias)
 
                alt_cb(alt, origptr, updptr, nr_inst);
 
-               flush_icache_range((uintptr_t)origptr,
-                                  (uintptr_t)(origptr + nr_inst));
+               if (!is_module) {
+                       clean_dcache_range_nopatch((u64)origptr,
+                                                  (u64)(origptr + nr_inst));
+               }
+       }
+
+       /*
+        * The core module code takes care of cache maintenance in
+        * flush_module_icache().
+        */
+       if (!is_module) {
+               dsb(ish);
+               __flush_icache_all();
+               isb();
        }
 }
 
@@ -178,7 +213,7 @@ static int __apply_alternatives_multi_stop(void *unused)
                isb();
        } else {
                BUG_ON(alternatives_applied);
-               __apply_alternatives(&region, true);
+               __apply_alternatives(&region, false);
                /* Barriers provided by the cache flushing */
                WRITE_ONCE(alternatives_applied, 1);
        }
@@ -192,12 +227,14 @@ void __init apply_alternatives_all(void)
        stop_machine(__apply_alternatives_multi_stop, NULL, cpu_online_mask);
 }
 
-void apply_alternatives(void *start, size_t length)
+#ifdef CONFIG_MODULES
+void apply_alternatives_module(void *start, size_t length)
 {
        struct alt_region region = {
                .begin  = start,
                .end    = start + length,
        };
 
-       __apply_alternatives(&region, false);
+       __apply_alternatives(&region, true);
 }
+#endif
index 155fd91e78f4a62180e7577355ca4a6b0eb283f4..f0f27aeefb73623a0983c1f3eec2054d306021dc 100644 (file)
@@ -448,9 +448,8 @@ int module_finalize(const Elf_Ehdr *hdr,
        const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
 
        for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) {
-               if (strcmp(".altinstructions", secstrs + s->sh_name) == 0) {
-                       apply_alternatives((void *)s->sh_addr, s->sh_size);
-               }
+               if (strcmp(".altinstructions", secstrs + s->sh_name) == 0)
+                       apply_alternatives_module((void *)s->sh_addr, s->sh_size);
 #ifdef CONFIG_ARM64_MODULE_PLTS
                if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) &&
                    !strcmp(".text.ftrace_trampoline", secstrs + s->sh_name))
index 8b707c249026032ac8bef80c6f1666c105d9b50d..12fe700632f458ea632a18bb9cdccd6660efd241 100644 (file)
@@ -44,6 +44,7 @@ extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
                                  unsigned long address)
 {
+       pgtable_page_dtor(page);
        __free_page(page);
 }
 
@@ -74,8 +75,9 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
        return page;
 }
 
-extern inline void pte_free(struct mm_struct *mm, struct page *page)
+static inline void pte_free(struct mm_struct *mm, struct page *page)
 {
+       pgtable_page_dtor(page);
        __free_page(page);
 }
 
index 331a3bb66297baa39404fbefa273663ebd1871fe..93a737c8d1a6448d5bb4dcb2d71c8d8b5241e0d7 100644 (file)
@@ -8,11 +8,4 @@ config TRACE_IRQFLAGS_SUPPORT
 
 source "lib/Kconfig.debug"
 
-config HEART_BEAT
-       bool "Heart beat function for kernel"
-       default n
-       help
-         This option turns on/off heart beat kernel functionality.
-         First GPIO node is taken.
-
 endmenu
index d5384f6f36f777d4487ea00f2908b39fe5a26403..ce9b7b7861569501c0339491338da38a2cdb0050 100644 (file)
@@ -19,15 +19,10 @@ extern char cmd_line[COMMAND_LINE_SIZE];
 
 extern char *klimit;
 
-void microblaze_heartbeat(void);
-void microblaze_setup_heartbeat(void);
-
 #   ifdef CONFIG_MMU
 extern void mmu_reset(void);
 #   endif /* CONFIG_MMU */
 
-extern void of_platform_reset_gpio_probe(void);
-
 void time_init(void);
 void init_IRQ(void);
 void machine_early_init(const char *cmdline, unsigned int ram,
index 9774e1d9507baebbd6efe9bcf67bb88bcd214d82..a62d09420a47b725cf67e12b99784a2259e24d2f 100644 (file)
@@ -38,6 +38,6 @@
 
 #endif /* __ASSEMBLY__ */
 
-#define __NR_syscalls         399
+#define __NR_syscalls         401
 
 #endif /* _ASM_MICROBLAZE_UNISTD_H */
index eb156f914793b29b558c9b48853af8d833f3d3d2..7a9f16a7641374855d4d8f9a7189792031f51185 100644 (file)
 #define __NR_pkey_alloc                396
 #define __NR_pkey_free         397
 #define __NR_statx             398
+#define __NR_io_pgetevents     399
+#define __NR_rseq              400
 
 #endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */
index 7e99cf6984a1eb5f51597dbd8857f6f370d28328..dd71637437f4f6b1ff307d385b8a1ff293959075 100644 (file)
@@ -8,7 +8,6 @@ ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_timer.o = -pg
 CFLAGS_REMOVE_intc.o = -pg
 CFLAGS_REMOVE_early_printk.o = -pg
-CFLAGS_REMOVE_heartbeat.o = -pg
 CFLAGS_REMOVE_ftrace.o = -pg
 CFLAGS_REMOVE_process.o = -pg
 endif
@@ -17,12 +16,11 @@ extra-y := head.o vmlinux.lds
 
 obj-y += dma.o exceptions.o \
        hw_exception_handler.o irq.o \
-       platform.o process.o prom.o ptrace.o \
+       process.o prom.o ptrace.o \
        reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o
 
 obj-y += cpu/
 
-obj-$(CONFIG_HEART_BEAT)       += heartbeat.o
 obj-$(CONFIG_MODULES)          += microblaze_ksyms.o module.o
 obj-$(CONFIG_MMU)              += misc.o
 obj-$(CONFIG_STACKTRACE)       += stacktrace.o
diff --git a/arch/microblaze/kernel/heartbeat.c b/arch/microblaze/kernel/heartbeat.c
deleted file mode 100644 (file)
index 2022130..0000000
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
- * Copyright (C) 2007-2009 PetaLogix
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/sched.h>
-#include <linux/sched/loadavg.h>
-#include <linux/io.h>
-
-#include <asm/setup.h>
-#include <asm/page.h>
-#include <asm/prom.h>
-
-static unsigned int base_addr;
-
-void microblaze_heartbeat(void)
-{
-       static unsigned int cnt, period, dist;
-
-       if (base_addr) {
-               if (cnt == 0 || cnt == dist)
-                       out_be32(base_addr, 1);
-               else if (cnt == 7 || cnt == dist + 7)
-                       out_be32(base_addr, 0);
-
-               if (++cnt > period) {
-                       cnt = 0;
-                       /*
-                        * The hyperbolic function below modifies the heartbeat
-                        * period length in dependency of the current (5min)
-                        * load. It goes through the points f(0)=126, f(1)=86,
-                        * f(5)=51, f(inf)->30.
-                        */
-                       period = ((672 << FSHIFT) / (5 * avenrun[0] +
-                                               (7 << FSHIFT))) + 30;
-                       dist = period / 4;
-               }
-       }
-}
-
-void microblaze_setup_heartbeat(void)
-{
-       struct device_node *gpio = NULL;
-       int *prop;
-       int j;
-       const char * const gpio_list[] = {
-               "xlnx,xps-gpio-1.00.a",
-               NULL
-       };
-
-       for (j = 0; gpio_list[j] != NULL; j++) {
-               gpio = of_find_compatible_node(NULL, NULL, gpio_list[j]);
-               if (gpio)
-                       break;
-       }
-
-       if (gpio) {
-               base_addr = be32_to_cpup(of_get_property(gpio, "reg", NULL));
-               base_addr = (unsigned long) ioremap(base_addr, PAGE_SIZE);
-               pr_notice("Heartbeat GPIO at 0x%x\n", base_addr);
-
-               /* GPIO is configured as output */
-               prop = (int *) of_get_property(gpio, "xlnx,is-bidir", NULL);
-               if (prop)
-                       out_be32(base_addr + 4, 0);
-       }
-}
diff --git a/arch/microblaze/kernel/platform.c b/arch/microblaze/kernel/platform.c
deleted file mode 100644 (file)
index 2540d60..0000000
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright 2008 Michal Simek <monstr@monstr.eu>
- *
- * based on virtex.c file
- *
- * Copyright 2007 Secret Lab Technologies Ltd.
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <linux/init.h>
-#include <linux/of_platform.h>
-#include <asm/setup.h>
-
-static struct of_device_id xilinx_of_bus_ids[] __initdata = {
-       { .compatible = "simple-bus", },
-       { .compatible = "xlnx,compound", },
-       {}
-};
-
-static int __init microblaze_device_probe(void)
-{
-       of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
-       of_platform_reset_gpio_probe();
-       return 0;
-}
-device_initcall(microblaze_device_probe);
index bab4c8330ef4f3f165ad2992d9660776fb0e3c41..fcbe1daf631662f8d45a580126f58d2090d90023 100644 (file)
@@ -18,7 +18,7 @@
 static int handle; /* reset pin handle */
 static unsigned int reset_val;
 
-void of_platform_reset_gpio_probe(void)
+static int of_platform_reset_gpio_probe(void)
 {
        int ret;
        handle = of_get_named_gpio(of_find_node_by_path("/"),
@@ -27,13 +27,13 @@ void of_platform_reset_gpio_probe(void)
        if (!gpio_is_valid(handle)) {
                pr_info("Skipping unavailable RESET gpio %d (%s)\n",
                                handle, "reset");
-               return;
+               return -ENODEV;
        }
 
        ret = gpio_request(handle, "reset");
        if (ret < 0) {
                pr_info("GPIO pin is already allocated\n");
-               return;
+               return ret;
        }
 
        /* get current setup value */
@@ -51,11 +51,12 @@ void of_platform_reset_gpio_probe(void)
 
        pr_info("RESET: Registered gpio device: %d, current val: %d\n",
                                                        handle, reset_val);
-       return;
+       return 0;
 err:
        gpio_free(handle);
-       return;
+       return ret;
 }
+device_initcall(of_platform_reset_gpio_probe);
 
 
 static void gpio_system_reset(void)
index 56bcf313121fb6bd31be14dc5d9f676a132cb85c..6ab6505937921e247231f8a09fbf5ab8b463d1a5 100644 (file)
@@ -400,3 +400,5 @@ ENTRY(sys_call_table)
        .long sys_pkey_alloc
        .long sys_pkey_free
        .long sys_statx
+       .long sys_io_pgetevents
+       .long sys_rseq
index 7de941cbbd940fb7ca72840e3bf6422993c6eb94..a6683484b3a12690c517ccf5803ac64f03f16c81 100644 (file)
@@ -156,9 +156,6 @@ static inline void timer_ack(void)
 static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
        struct clock_event_device *evt = &clockevent_xilinx_timer;
-#ifdef CONFIG_HEART_BEAT
-       microblaze_heartbeat();
-#endif
        timer_ack();
        evt->event_handler(evt);
        return IRQ_HANDLED;
@@ -318,10 +315,6 @@ static int __init xilinx_timer_init(struct device_node *timer)
                return ret;
        }
 
-#ifdef CONFIG_HEART_BEAT
-       microblaze_setup_heartbeat();
-#endif
-
        ret = xilinx_clocksource_init();
        if (ret)
                return ret;
index 8d85046adcc8dd858cb5b392b68dc22da19185c4..9670e70139fd971d00bf7a06c46b06cec7ff1e35 100644 (file)
@@ -29,6 +29,7 @@
 #include <linux/kallsyms.h>
 #include <linux/random.h>
 #include <linux/prctl.h>
+#include <linux/nmi.h>
 
 #include <asm/asm.h>
 #include <asm/bootinfo.h>
@@ -655,28 +656,42 @@ unsigned long arch_align_stack(unsigned long sp)
        return sp & ALMASK;
 }
 
-static void arch_dump_stack(void *info)
+static DEFINE_PER_CPU(call_single_data_t, backtrace_csd);
+static struct cpumask backtrace_csd_busy;
+
+static void handle_backtrace(void *info)
 {
-       struct pt_regs *regs;
+       nmi_cpu_backtrace(get_irq_regs());
+       cpumask_clear_cpu(smp_processor_id(), &backtrace_csd_busy);
+}
 
-       regs = get_irq_regs();
+static void raise_backtrace(cpumask_t *mask)
+{
+       call_single_data_t *csd;
+       int cpu;
 
-       if (regs)
-               show_regs(regs);
+       for_each_cpu(cpu, mask) {
+               /*
+                * If we previously sent an IPI to the target CPU & it hasn't
+                * cleared its bit in the busy cpumask then it didn't handle
+                * our previous IPI & it's not safe for us to reuse the
+                * call_single_data_t.
+                */
+               if (cpumask_test_and_set_cpu(cpu, &backtrace_csd_busy)) {
+                       pr_warn("Unable to send backtrace IPI to CPU%u - perhaps it hung?\n",
+                               cpu);
+                       continue;
+               }
 
-       dump_stack();
+               csd = &per_cpu(backtrace_csd, cpu);
+               csd->func = handle_backtrace;
+               smp_call_function_single_async(cpu, csd);
+       }
 }
 
 void arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self)
 {
-       long this_cpu = get_cpu();
-
-       if (cpumask_test_cpu(this_cpu, mask) && !exclude_self)
-               dump_stack();
-
-       smp_call_function_many(mask, arch_dump_stack, NULL, 1);
-
-       put_cpu();
+       nmi_trigger_cpumask_backtrace(mask, exclude_self, raise_backtrace);
 }
 
 int mips_get_process_fp_mode(struct task_struct *task)
index 00f2535d22269ae99ec67536878af535f0991b63..0a9cfe7a0372940fceb71931cff1eddec2e10e37 100644 (file)
@@ -801,7 +801,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
                regs->regs[0] = 0;              /* Don't deal with this again.  */
        }
 
-       rseq_signal_deliver(regs);
+       rseq_signal_deliver(ksig, regs);
 
        if (sig_uses_siginfo(&ksig->ka, abi))
                ret = abi->setup_rt_frame(vdso + abi->vdso->off_rt_sigreturn,
@@ -870,7 +870,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
        if (thread_info_flags & _TIF_NOTIFY_RESUME) {
                clear_thread_flag(TIF_NOTIFY_RESUME);
                tracehook_notify_resume(regs);
-               rseq_handle_notify_resume(regs);
+               rseq_handle_notify_resume(NULL, regs);
        }
 
        user_enter();
index d67fa74622ee287200bf6b6664c3292ad72131d5..8d505a21396e33626061adb82c20be60f5b217bf 100644 (file)
@@ -351,6 +351,7 @@ static void __show_regs(const struct pt_regs *regs)
 void show_regs(struct pt_regs *regs)
 {
        __show_regs((struct pt_regs *)regs);
+       dump_stack();
 }
 
 void show_registers(struct pt_regs *regs)
index 1986e09fb457c55ba16e3cd19f56f65e2737cb54..1601d90b087b8f933853ac87118aa09749f70f03 100644 (file)
@@ -9,6 +9,7 @@
 #include <linux/export.h>
 #include <asm/addrspace.h>
 #include <asm/byteorder.h>
+#include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
@@ -98,6 +99,20 @@ static int remap_area_pages(unsigned long address, phys_addr_t phys_addr,
        return error;
 }
 
+static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
+                              void *arg)
+{
+       unsigned long i;
+
+       for (i = 0; i < nr_pages; i++) {
+               if (pfn_valid(start_pfn + i) &&
+                   !PageReserved(pfn_to_page(start_pfn + i)))
+                       return 1;
+       }
+
+       return 0;
+}
+
 /*
  * Generic mapping function (not visible outside):
  */
@@ -116,8 +131,8 @@ static int remap_area_pages(unsigned long address, phys_addr_t phys_addr,
 
 void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long flags)
 {
+       unsigned long offset, pfn, last_pfn;
        struct vm_struct * area;
-       unsigned long offset;
        phys_addr_t last_addr;
        void * addr;
 
@@ -137,18 +152,16 @@ void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long
                return (void __iomem *) CKSEG1ADDR(phys_addr);
 
        /*
-        * Don't allow anybody to remap normal RAM that we're using..
+        * Don't allow anybody to remap RAM that may be allocated by the page
+        * allocator, since that could lead to races & data clobbering.
         */
-       if (phys_addr < virt_to_phys(high_memory)) {
-               char *t_addr, *t_end;
-               struct page *page;
-
-               t_addr = __va(phys_addr);
-               t_end = t_addr + (size - 1);
-
-               for(page = virt_to_page(t_addr); page <= virt_to_page(t_end); page++)
-                       if(!PageReserved(page))
-                               return NULL;
+       pfn = PFN_DOWN(phys_addr);
+       last_pfn = PFN_DOWN(last_addr);
+       if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL,
+                                 __ioremap_check_ram) == 1) {
+               WARN_ONCE(1, "ioremap on RAM at %pa - %pa\n",
+                         &phys_addr, &last_addr);
+               return NULL;
        }
 
        /*
index 3e1a46615120a566adbfff65b5aab8e860bf3809..8999b922651210f6c20c83e7aa72b3bccf6c3d58 100644 (file)
@@ -98,8 +98,12 @@ static inline void pte_free(struct mm_struct *mm, struct page *pte)
        __free_page(pte);
 }
 
+#define __pte_free_tlb(tlb, pte, addr) \
+do {                                   \
+       pgtable_page_dtor(pte);         \
+       tlb_remove_page((tlb), (pte));  \
+} while (0)
 
-#define __pte_free_tlb(tlb, pte, addr) tlb_remove_page((tlb), (pte))
 #define pmd_pgtable(pmd) pmd_page(pmd)
 
 #define check_pgt_cache()          do { } while (0)
index 690d55272ba688a2adc88bca00e66cc61903c711..0c826ad6e994cce359474229acf08ff0d0330b78 100644 (file)
@@ -277,12 +277,6 @@ EXCEPTION_ENTRY(_data_page_fault_handler)
        l.addi  r3,r1,0                    // pt_regs
        /* r4 set be EXCEPTION_HANDLE */   // effective address of fault
 
-       /*
-        * __PHX__: TODO
-        *
-        * all this can be written much simpler. look at
-        * DTLB miss handler in the CONFIG_GUARD_PROTECTED_CORE part
-        */
 #ifdef CONFIG_OPENRISC_NO_SPR_SR_DSX
        l.lwz   r6,PT_PC(r3)               // address of an offending insn
        l.lwz   r6,0(r6)                   // instruction that caused pf
@@ -314,7 +308,7 @@ EXCEPTION_ENTRY(_data_page_fault_handler)
 
 #else
 
-       l.lwz   r6,PT_SR(r3)               // SR
+       l.mfspr r6,r0,SPR_SR               // SR
        l.andi  r6,r6,SPR_SR_DSX           // check for delay slot exception
        l.sfne  r6,r0                      // exception happened in delay slot
        l.bnf   7f
index fb02b2a1d6f2d875372b125cf837feb119d0164e..9fc6b60140f007bea1442f60727a22aee24776c9 100644 (file)
  *      r4  - EEAR     exception EA
  *      r10 - current  pointing to current_thread_info struct
  *      r12 - syscall  0, since we didn't come from syscall
- *      r13 - temp     it actually contains new SR, not needed anymore
- *      r31 - handler  address of the handler we'll jump to
+ *      r30 - handler  address of the handler we'll jump to
  *
  *      handler has to save remaining registers to the exception
  *      ksp frame *before* tainting them!
        /* r1 is KSP, r30 is __pa(KSP) */                       ;\
        tophys  (r30,r1)                                        ;\
        l.sw    PT_GPR12(r30),r12                               ;\
+       /* r4 use for tmp before EA */                          ;\
        l.mfspr r12,r0,SPR_EPCR_BASE                            ;\
        l.sw    PT_PC(r30),r12                                  ;\
        l.mfspr r12,r0,SPR_ESR_BASE                             ;\
        /* r12 == 1 if we come from syscall */                  ;\
        CLEAR_GPR(r12)                                          ;\
        /* ----- turn on MMU ----- */                           ;\
-       l.ori   r30,r0,(EXCEPTION_SR)                           ;\
+       /* Carry DSX into exception SR */                       ;\
+       l.mfspr r30,r0,SPR_SR                                   ;\
+       l.andi  r30,r30,SPR_SR_DSX                              ;\
+       l.ori   r30,r30,(EXCEPTION_SR)                          ;\
        l.mtspr r0,r30,SPR_ESR_BASE                             ;\
        /* r30: EA address of handler */                        ;\
        LOAD_SYMBOL_2_GPR(r30,handler)                          ;\
index fac246e6f37a278e4cd7c001c2cd53a8df88dc4e..d8981cbb852a5f1fc1ea80667df3ed451579d13c 100644 (file)
@@ -300,7 +300,7 @@ static inline int in_delay_slot(struct pt_regs *regs)
                return 0;
        }
 #else
-       return regs->sr & SPR_SR_DSX;
+       return mfspr(SPR_SR) & SPR_SR_DSX;
 #endif
 }
 
index c480770fabcd6287571dacb9d40ccc224f8e13b1..17526bebcbd277765c791b30e04e0096052d78cb 100644 (file)
@@ -244,11 +244,11 @@ config PARISC_PAGE_SIZE_4KB
 
 config PARISC_PAGE_SIZE_16KB
        bool "16KB"
-       depends on PA8X00
+       depends on PA8X00 && BROKEN
 
 config PARISC_PAGE_SIZE_64KB
        bool "64KB"
-       depends on PA8X00
+       depends on PA8X00 && BROKEN
 
 endchoice
 
@@ -347,7 +347,7 @@ config NR_CPUS
        int "Maximum number of CPUs (2-32)"
        range 2 32
        depends on SMP
-       default "32"
+       default "4"
 
 endmenu
 
index 714284ea6cc214f1011c6e0593f5ad2b0c962ddc..5ce030266e7d03bbfd7da5885471b1a874eefcd7 100644 (file)
@@ -65,10 +65,6 @@ endif
 # kernel.
 cflags-y       += -mdisable-fpregs
 
-# Without this, "ld -r" results in .text sections that are too big
-# (> 0x40000) for branches to reach stubs.
-cflags-y       += -ffunction-sections
-
 # Use long jumps instead of long branches (needed if your linker fails to
 # link a too big vmlinux executable). Not enabled for building modules.
 ifdef CONFIG_MLONGCALLS
index eeb5c88586631e8935b96e0edfe410bbbc2ecffc..715c96ba2ec81c2907ead07ffd21fbf79a0fb0cb 100644 (file)
@@ -21,14 +21,6 @@ typedef struct {
        unsigned long sig[_NSIG_WORDS];
 } sigset_t;
 
-#ifndef __KERNEL__
-struct sigaction {
-       __sighandler_t sa_handler;
-       unsigned long sa_flags;
-       sigset_t sa_mask;               /* mask last for extensibility */
-};
-#endif
-
 #include <asm/sigcontext.h>
 
 #endif /* !__ASSEMBLY */
index 4872e77aa96b784d5a1e19bd7f9c4996b8cd0992..dc77c5a51db774a7c691568c010ce0a4500e7286 100644 (file)
 #define __NR_preadv2           (__NR_Linux + 347)
 #define __NR_pwritev2          (__NR_Linux + 348)
 #define __NR_statx             (__NR_Linux + 349)
+#define __NR_io_pgetevents     (__NR_Linux + 350)
 
-#define __NR_Linux_syscalls    (__NR_statx + 1)
+#define __NR_Linux_syscalls    (__NR_io_pgetevents + 1)
 
 
 #define __IGNORE_select                /* newselect */
index e0e1c9775c320b46d85da0f2e6ce22bc2275b9fb..5eb979d04b905420e28f63dd526e6ca13aaa9842 100644 (file)
@@ -154,17 +154,14 @@ int register_parisc_driver(struct parisc_driver *driver)
 {
        /* FIXME: we need this because apparently the sti
         * driver can be registered twice */
-       if(driver->drv.name) {
-               printk(KERN_WARNING 
-                      "BUG: skipping previously registered driver %s\n",
-                      driver->name);
+       if (driver->drv.name) {
+               pr_warn("BUG: skipping previously registered driver %s\n",
+                       driver->name);
                return 1;
        }
 
        if (!driver->probe) {
-               printk(KERN_WARNING 
-                      "BUG: driver %s has no probe routine\n",
-                      driver->name);
+               pr_warn("BUG: driver %s has no probe routine\n", driver->name);
                return 1;
        }
 
@@ -491,12 +488,9 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
 
        dev = create_parisc_device(mod_path);
        if (dev->id.hw_type != HPHW_FAULTY) {
-               printk(KERN_ERR "Two devices have hardware path [%s].  "
-                               "IODC data for second device: "
-                               "%02x%02x%02x%02x%02x%02x\n"
-                               "Rearranging GSC cards sometimes helps\n",
-                       parisc_pathname(dev), iodc_data[0], iodc_data[1],
-                       iodc_data[3], iodc_data[4], iodc_data[5], iodc_data[6]);
+               pr_err("Two devices have hardware path [%s].  IODC data for second device: %7phN\n"
+                      "Rearranging GSC cards sometimes helps\n",
+                       parisc_pathname(dev), iodc_data);
                return NULL;
        }
 
@@ -528,8 +522,7 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
         * the keyboard controller
         */
        if ((hpa & 0xfff) == 0 && insert_resource(&iomem_resource, &dev->hpa))
-               printk("Unable to claim HPA %lx for device %s\n",
-                               hpa, name);
+               pr_warn("Unable to claim HPA %lx for device %s\n", hpa, name);
 
        return dev;
 }
@@ -875,7 +868,7 @@ static void print_parisc_device(struct parisc_device *dev)
        static int count;
 
        print_pa_hwpath(dev, hw_path);
-       printk(KERN_INFO "%d. %s at 0x%px [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
+       pr_info("%d. %s at 0x%px [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
                ++count, dev->name, (void*) dev->hpa.start, hw_path, dev->id.hw_type,
                dev->id.hversion_rev, dev->id.hversion, dev->id.sversion);
 
index 6308749359e4b7d6ee348062d584f7b747f1a115..fe3f2a49d2b1063a93daa0a9d4077d2978c5bdaf 100644 (file)
        ENTRY_COMP(preadv2)
        ENTRY_COMP(pwritev2)
        ENTRY_SAME(statx)
+       ENTRY_COMP(io_pgetevents)       /* 350 */
 
 
 .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
index 143f90e2f9f3c631616d4af52f0fe3fa08f44af9..2ef83d78eec42bd3ad55a3c2e0f976e081417266 100644 (file)
@@ -25,7 +25,7 @@
 
 /* #define DEBUG 1 */
 #ifdef DEBUG
-#define dbg(x...) printk(x)
+#define dbg(x...) pr_debug(x)
 #else
 #define dbg(x...)
 #endif
@@ -182,7 +182,7 @@ int __init unwind_init(void)
        start = (long)&__start___unwind[0];
        stop = (long)&__stop___unwind[0];
 
-       printk("unwind_init: start = 0x%lx, end = 0x%lx, entries = %lu\n", 
+       dbg("unwind_init: start = 0x%lx, end = 0x%lx, entries = %lu\n",
            start, stop,
            (stop - start) / sizeof(struct unwind_table_entry));
 
index e4633803fe4319ddf752e858398a142fb5e25087..82e44b1a00ae91219f482afa654f2d0440c5aa78 100644 (file)
@@ -138,7 +138,6 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb,
 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
                                  unsigned long address)
 {
-       pgtable_page_dtor(table);
        pgtable_free_tlb(tlb, page_address(table), 0);
 }
 #endif /* _ASM_POWERPC_BOOK3S_32_PGALLOC_H */
index 9de40eb614daa4f07b8613f26b7bfcfc6787b8c6..8825953c225b2e48e9e0cd7938d2185b5e821977 100644 (file)
@@ -140,7 +140,6 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
                                  unsigned long address)
 {
        tlb_flush_pgtable(tlb, address);
-       pgtable_page_dtor(table);
        pgtable_free_tlb(tlb, page_address(table), 0);
 }
 #endif /* _ASM_POWERPC_PGALLOC_32_H */
index cfcf6a874cfab3a094d4c931bdc7cade28184665..01b5171ea189994ab394685f8f4645a3fd86594c 100644 (file)
@@ -393,3 +393,4 @@ SYSCALL(pkey_alloc)
 SYSCALL(pkey_free)
 SYSCALL(pkey_mprotect)
 SYSCALL(rseq)
+COMPAT_SYS(io_pgetevents)
index 1e9708632dce30e1093d48dbed2db8d0d90a4e89..c19379f0a32e2b0fe59a9634140582a8afbc291e 100644 (file)
@@ -12,7 +12,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define NR_syscalls            388
+#define NR_syscalls            389
 
 #define __NR__exit __NR_exit
 
index ac5ba55066dd76a26f133d91623309036bcad4c8..985534d0b448b7ae7b9d4cad7c3f9257d4ce0789 100644 (file)
 #define __NR_pkey_free         385
 #define __NR_pkey_mprotect     386
 #define __NR_rseq              387
+#define __NR_io_pgetevents     388
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
index 4f861055a8521276c89c71cd67c41425c38c0ac2..d63b488d34d79033fa7229bfeb4d306cf6b56bc0 100644 (file)
@@ -285,9 +285,6 @@ pci_bus_to_hose(int bus)
  * Note that the returned IO or memory base is a physical address
  */
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 SYSCALL_DEFINE3(pciconfig_iobase, long, which,
                unsigned long, bus, unsigned long, devfn)
 {
@@ -313,4 +310,3 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which,
 
        return result;
 }
-#pragma GCC diagnostic pop
index 812171c09f42fecf2c97757e37f7ad45ec9a35d8..dff28f90351245d58f6b77130fb26fcb73351c5d 100644 (file)
@@ -203,9 +203,6 @@ void pcibios_setup_phb_io_space(struct pci_controller *hose)
 #define IOBASE_ISA_IO          3
 #define IOBASE_ISA_MEM         4
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
                          unsigned long, in_devfn)
 {
@@ -259,7 +256,6 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus,
 
        return -EOPNOTSUPP;
 }
-#pragma GCC diagnostic pop
 
 #ifdef CONFIG_NUMA
 int pcibus_to_node(struct pci_bus *bus)
index 7fb9f83dcde889f8340daa94ec66cc6b3cb1804b..8afd146bc9c70dc6480e2fff20d6239d327e33d3 100644 (file)
@@ -1051,9 +1051,6 @@ struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
 }
 
 /* We assume to be passed big endian arguments */
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs)
 {
        struct rtas_args args;
@@ -1140,7 +1137,6 @@ SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs)
 
        return 0;
 }
-#pragma GCC diagnostic pop
 
 /*
  * Call early during boot, before mem init, to retrieve the RTAS
index 5eedbb282d42fcf2caed7f3d09d0227b2e9e0734..e6474a45cef50623be68bc1fbf0b83635275dceb 100644 (file)
@@ -1038,9 +1038,6 @@ static int do_setcontext_tm(struct ucontext __user *ucp,
 }
 #endif
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 #ifdef CONFIG_PPC64
 COMPAT_SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
                       struct ucontext __user *, new_ctx, int, ctx_size)
@@ -1134,7 +1131,6 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
        set_thread_flag(TIF_RESTOREALL);
        return 0;
 }
-#pragma GCC diagnostic pop
 
 #ifdef CONFIG_PPC64
 COMPAT_SYSCALL_DEFINE0(rt_sigreturn)
@@ -1231,9 +1227,6 @@ SYSCALL_DEFINE0(rt_sigreturn)
        return 0;
 }
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 #ifdef CONFIG_PPC32
 SYSCALL_DEFINE3(debug_setcontext, struct ucontext __user *, ctx,
                         int, ndbg, struct sig_dbg_op __user *, dbg)
@@ -1337,7 +1330,6 @@ SYSCALL_DEFINE3(debug_setcontext, struct ucontext __user *, ctx,
        return 0;
 }
 #endif
-#pragma GCC diagnostic pop
 
 /*
  * OK, we're invoking a handler
index d42b600203892d57d7fb3398f7cad38090df9ce6..83d51bf586c7e1ec3697a424a33a1559579147b8 100644 (file)
@@ -625,9 +625,6 @@ static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp)
 /*
  * Handle {get,set,swap}_context operations
  */
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
                struct ucontext __user *, new_ctx, long, ctx_size)
 {
@@ -693,7 +690,6 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
        set_thread_flag(TIF_RESTOREALL);
        return 0;
 }
-#pragma GCC diagnostic pop
 
 
 /*
index 083fa06962fda045cb5f00ac0ea5b61046e3d4c4..466216506eb2f4bfa7b6b94ed89140914b1ea682 100644 (file)
@@ -62,9 +62,6 @@ out:
        return ret;
 }
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len,
                unsigned long, prot, unsigned long, flags,
                unsigned long, fd, unsigned long, pgoff)
@@ -78,7 +75,6 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, size_t, len,
 {
        return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT);
 }
-#pragma GCC diagnostic pop
 
 #ifdef CONFIG_PPC32
 /*
index 75cb646a79c383bc39c578a49ddf48a23ee9c44b..9d16ee251fc0131118c375282b2c3e103a2e0b0f 100644 (file)
@@ -186,9 +186,6 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
  * in a 2-bit field won't allow writes to a page that is otherwise
  * write-protected.
  */
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic ignored "-Wattribute-alias"
 SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
                unsigned long, len, u32 __user *, map)
 {
@@ -272,4 +269,3 @@ SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
        up_write(&mm->mmap_sem);
        return err;
 }
-#pragma GCC diagnostic pop
index 7c968e46736faa598861259d5a3781577256a7ff..12e6e4d3060236a05fcd987690b385576d8821cb 100644 (file)
 #define DBG(x...)
 #endif
 
-/* Apparently the RTC stores seconds since 1 Jan 1904 */
+/*
+ * Offset between Unix time (1970-based) and Mac time (1904-based). Cuda and PMU
+ * times wrap in 2040. If we need to handle later times, the read_time functions
+ * need to be changed to interpret wrapped times as post-2040.
+ */
 #define RTC_OFFSET     2082844800
 
 /*
@@ -97,8 +101,11 @@ static time64_t cuda_get_time(void)
        if (req.reply_len != 7)
                printk(KERN_ERR "cuda_get_time: got %d byte reply\n",
                       req.reply_len);
-       now = (req.reply[3] << 24) + (req.reply[4] << 16)
-               + (req.reply[5] << 8) + req.reply[6];
+       now = (u32)((req.reply[3] << 24) + (req.reply[4] << 16) +
+                   (req.reply[5] << 8) + req.reply[6]);
+       /* it's either after year 2040, or the RTC has gone backwards */
+       WARN_ON(now < RTC_OFFSET);
+
        return now - RTC_OFFSET;
 }
 
@@ -106,10 +113,10 @@ static time64_t cuda_get_time(void)
 
 static int cuda_set_rtc_time(struct rtc_time *tm)
 {
-       time64_t nowtime;
+       u32 nowtime;
        struct adb_request req;
 
-       nowtime = rtc_tm_to_time64(tm) + RTC_OFFSET;
+       nowtime = lower_32_bits(rtc_tm_to_time64(tm) + RTC_OFFSET);
        if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME,
                         nowtime >> 24, nowtime >> 16, nowtime >> 8,
                         nowtime) < 0)
@@ -140,8 +147,12 @@ static time64_t pmu_get_time(void)
        if (req.reply_len != 4)
                printk(KERN_ERR "pmu_get_time: got %d byte reply from PMU\n",
                       req.reply_len);
-       now = (req.reply[0] << 24) + (req.reply[1] << 16)
-               + (req.reply[2] << 8) + req.reply[3];
+       now = (u32)((req.reply[0] << 24) + (req.reply[1] << 16) +
+                   (req.reply[2] << 8) + req.reply[3]);
+
+       /* it's either after year 2040, or the RTC has gone backwards */
+       WARN_ON(now < RTC_OFFSET);
+
        return now - RTC_OFFSET;
 }
 
@@ -149,10 +160,10 @@ static time64_t pmu_get_time(void)
 
 static int pmu_set_rtc_time(struct rtc_time *tm)
 {
-       time64_t nowtime;
+       u32 nowtime;
        struct adb_request req;
 
-       nowtime = rtc_tm_to_time64(tm) + RTC_OFFSET;
+       nowtime = lower_32_bits(rtc_tm_to_time64(tm) + RTC_OFFSET);
        if (pmu_request(&req, NULL, 5, PMU_SET_RTC, nowtime >> 24,
                        nowtime >> 16, nowtime >> 8, nowtime) < 0)
                return -ENXIO;
index f12680c9b9475e2b130da3369644e797575f7a80..4764fdeb4f1f6837c771e42f9e84ca5bd8291af6 100644 (file)
@@ -107,6 +107,7 @@ config ARCH_RV32I
        select GENERIC_LIB_ASHLDI3
        select GENERIC_LIB_ASHRDI3
        select GENERIC_LIB_LSHRDI3
+       select GENERIC_LIB_UCMPDI2
 
 config ARCH_RV64I
        bool "RV64I"
index 5cae4c30cd8e2e2147b59285f9eccaaae7e9a789..1e0dfc36aab9e597aaf0d0fb3c99b2ac3dcae750 100644 (file)
@@ -21,8 +21,13 @@ typedef struct user_regs_struct elf_gregset_t;
 
 typedef union __riscv_fp_state elf_fpregset_t;
 
-#define ELF_RISCV_R_SYM(r_info) ((r_info) >> 32)
-#define ELF_RISCV_R_TYPE(r_info) ((r_info) & 0xffffffff)
+#if __riscv_xlen == 64
+#define ELF_RISCV_R_SYM(r_info)                ELF64_R_SYM(r_info)
+#define ELF_RISCV_R_TYPE(r_info)       ELF64_R_TYPE(r_info)
+#else
+#define ELF_RISCV_R_SYM(r_info)                ELF32_R_SYM(r_info)
+#define ELF_RISCV_R_TYPE(r_info)       ELF32_R_TYPE(r_info)
+#endif
 
 /*
  * RISC-V relocation types
index b74cbfbce2d0dd9df65ba779ab9dd8feb0d38eed..7bcdaed15703be6d8f141a8582abd024dc966fec 100644 (file)
 #include <linux/irqchip.h>
 #include <linux/irqdomain.h>
 
-#ifdef CONFIG_RISCV_INTC
-#include <linux/irqchip/irq-riscv-intc.h>
-#endif
-
 void __init init_IRQ(void)
 {
        irqchip_init();
index 1d5e9b934b8ca5b5b78a64af5e1c06e334b7e5f2..3303ed2cd4193f82c51730a992d6c875b361ff80 100644 (file)
@@ -37,7 +37,7 @@ static int apply_r_riscv_64_rela(struct module *me, u32 *location, Elf_Addr v)
 static int apply_r_riscv_branch_rela(struct module *me, u32 *location,
                                     Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        u32 imm12 = (offset & 0x1000) << (31 - 12);
        u32 imm11 = (offset & 0x800) >> (11 - 7);
        u32 imm10_5 = (offset & 0x7e0) << (30 - 10);
@@ -50,7 +50,7 @@ static int apply_r_riscv_branch_rela(struct module *me, u32 *location,
 static int apply_r_riscv_jal_rela(struct module *me, u32 *location,
                                  Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        u32 imm20 = (offset & 0x100000) << (31 - 20);
        u32 imm19_12 = (offset & 0xff000);
        u32 imm11 = (offset & 0x800) << (20 - 11);
@@ -63,7 +63,7 @@ static int apply_r_riscv_jal_rela(struct module *me, u32 *location,
 static int apply_r_riscv_rcv_branch_rela(struct module *me, u32 *location,
                                         Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        u16 imm8 = (offset & 0x100) << (12 - 8);
        u16 imm7_6 = (offset & 0xc0) >> (6 - 5);
        u16 imm5 = (offset & 0x20) >> (5 - 2);
@@ -78,7 +78,7 @@ static int apply_r_riscv_rcv_branch_rela(struct module *me, u32 *location,
 static int apply_r_riscv_rvc_jump_rela(struct module *me, u32 *location,
                                       Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        u16 imm11 = (offset & 0x800) << (12 - 11);
        u16 imm10 = (offset & 0x400) >> (10 - 8);
        u16 imm9_8 = (offset & 0x300) << (12 - 11);
@@ -96,7 +96,7 @@ static int apply_r_riscv_rvc_jump_rela(struct module *me, u32 *location,
 static int apply_r_riscv_pcrel_hi20_rela(struct module *me, u32 *location,
                                         Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        s32 hi20;
 
        if (offset != (s32)offset) {
@@ -178,7 +178,7 @@ static int apply_r_riscv_lo12_s_rela(struct module *me, u32 *location,
 static int apply_r_riscv_got_hi20_rela(struct module *me, u32 *location,
                                       Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        s32 hi20;
 
        /* Always emit the got entry */
@@ -200,7 +200,7 @@ static int apply_r_riscv_got_hi20_rela(struct module *me, u32 *location,
 static int apply_r_riscv_call_plt_rela(struct module *me, u32 *location,
                                       Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        s32 fill_v = offset;
        u32 hi20, lo12;
 
@@ -227,7 +227,7 @@ static int apply_r_riscv_call_plt_rela(struct module *me, u32 *location,
 static int apply_r_riscv_call_rela(struct module *me, u32 *location,
                                   Elf_Addr v)
 {
-       s64 offset = (void *)v - (void *)location;
+       ptrdiff_t offset = (void *)v - (void *)location;
        s32 fill_v = offset;
        u32 hi20, lo12;
 
@@ -263,14 +263,14 @@ static int apply_r_riscv_align_rela(struct module *me, u32 *location,
 static int apply_r_riscv_add32_rela(struct module *me, u32 *location,
                                    Elf_Addr v)
 {
-       *(u32 *)location += (*(u32 *)v);
+       *(u32 *)location += (u32)v;
        return 0;
 }
 
 static int apply_r_riscv_sub32_rela(struct module *me, u32 *location,
                                    Elf_Addr v)
 {
-       *(u32 *)location -= (*(u32 *)v);
+       *(u32 *)location -= (u32)v;
        return 0;
 }
 
@@ -347,7 +347,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
                        unsigned int j;
 
                        for (j = 0; j < sechdrs[relsec].sh_size / sizeof(*rel); j++) {
-                               u64 hi20_loc =
+                               unsigned long hi20_loc =
                                        sechdrs[sechdrs[relsec].sh_info].sh_addr
                                        + rel[j].r_offset;
                                u32 hi20_type = ELF_RISCV_R_TYPE(rel[j].r_info);
@@ -360,12 +360,12 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
                                        Elf_Sym *hi20_sym =
                                                (Elf_Sym *)sechdrs[symindex].sh_addr
                                                + ELF_RISCV_R_SYM(rel[j].r_info);
-                                       u64 hi20_sym_val =
+                                       unsigned long hi20_sym_val =
                                                hi20_sym->st_value
                                                + rel[j].r_addend;
 
                                        /* Calculate lo12 */
-                                       u64 offset = hi20_sym_val - hi20_loc;
+                                       size_t offset = hi20_sym_val - hi20_loc;
                                        if (IS_ENABLED(CONFIG_MODULE_SECTIONS)
                                            && hi20_type == R_RISCV_GOT_HI20) {
                                                offset = module_emit_got_entry(
index ba3e80712797c8ece03b07930f2ffb4b370588cc..9f82a7e34c648a370ec42f2e0bad711058e9baf2 100644 (file)
@@ -50,7 +50,7 @@ static int riscv_gpr_set(struct task_struct *target,
        struct pt_regs *regs;
 
        regs = task_pt_regs(target);
-       ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &regs, 0, -1);
+       ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
        return ret;
 }
 
index ee44a48faf79dfd8e01cc07db341cacbeb9feed6..f0d2070866d49b170da74ae0e20e779f55a02199 100644 (file)
@@ -220,8 +220,3 @@ void __init setup_arch(char **cmdline_p)
        riscv_fill_hwcap();
 }
 
-static int __init riscv_device_init(void)
-{
-       return of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-}
-subsys_initcall_sync(riscv_device_init);
index c77df8142be2eaa9525130b3cbea70e191a20aba..58a522f9bcc319ae5d40a8ae15da5d9021921ebd 100644 (file)
@@ -28,7 +28,9 @@ static void __init zone_sizes_init(void)
 {
        unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, };
 
+#ifdef CONFIG_ZONE_DMA32
        max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn));
+#endif
        max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
 
        free_area_init_nodes(max_zone_pfns);
index baed39772c845d74d91c292aba3b3ea4063aa130..e44bb2b2873e0798eb67c13ee4f100d798077a2a 100644 (file)
@@ -160,6 +160,7 @@ config S390
        select HAVE_OPROFILE
        select HAVE_PERF_EVENTS
        select HAVE_REGS_AND_STACK_ACCESS_API
+       select HAVE_RSEQ
        select HAVE_SYSCALL_TRACEPOINTS
        select HAVE_VIRT_CPU_ACCOUNTING
        select MODULES_USE_ELF_RELA
index 607c5e9fba3ddcdfe762c347c8441c447fc529f5..2ce28bf0c5ec44939d815c5187153b0858475aa7 100644 (file)
@@ -183,3 +183,4 @@ COMPAT_SYSCALL_WRAP2(s390_guarded_storage, int, command, struct gs_cb *, gs_cb);
 COMPAT_SYSCALL_WRAP5(statx, int, dfd, const char __user *, path, unsigned, flags, unsigned, mask, struct statx __user *, buffer);
 COMPAT_SYSCALL_WRAP4(s390_sthyi, unsigned long, code, void __user *, info, u64 __user *, rc, unsigned long, flags);
 COMPAT_SYSCALL_WRAP5(kexec_file_load, int, kernel_fd, int, initrd_fd, unsigned long, cmdline_len, const char __user *, cmdline_ptr, unsigned long, flags)
+COMPAT_SYSCALL_WRAP4(rseq, struct rseq __user *, rseq, u32, rseq_len, int, flags, u32, sig)
index f03402efab4b414eefdfd59135f4ee89dda68e8a..150130c897c39938d03d04e497100cca77d0a353 100644 (file)
@@ -357,6 +357,10 @@ ENTRY(system_call)
        stg     %r2,__PT_R2(%r11)               # store return value
 
 .Lsysc_return:
+#ifdef CONFIG_DEBUG_RSEQ
+       lgr     %r2,%r11
+       brasl   %r14,rseq_syscall
+#endif
        LOCKDEP_SYS_EXIT
 .Lsysc_tif:
        TSTMSK  __PT_FLAGS(%r11),_PIF_WORK
@@ -1265,7 +1269,7 @@ cleanup_critical:
        jl      0f
        clg     %r9,BASED(.Lcleanup_table+104)  # .Lload_fpu_regs_end
        jl      .Lcleanup_load_fpu_regs
-0:     BR_EX   %r14
+0:     BR_EX   %r14,%r11
 
        .align  8
 .Lcleanup_table:
@@ -1301,7 +1305,7 @@ cleanup_critical:
        ni      __SIE_PROG0C+3(%r9),0xfe        # no longer in SIE
        lctlg   %c1,%c1,__LC_USER_ASCE          # load primary asce
        larl    %r9,sie_exit                    # skip forward to sie_exit
-       BR_EX   %r14
+       BR_EX   %r14,%r11
 #endif
 
 .Lcleanup_system_call:
index 2d2960ab3e108ca5b0d6ef06476987ed8d5f4839..22f08245aa5d46ef5f80398ebcc4e064099c91a6 100644 (file)
@@ -498,7 +498,7 @@ void do_signal(struct pt_regs *regs)
                }
                /* No longer in a system call */
                clear_pt_regs_flag(regs, PIF_SYSCALL);
-
+               rseq_signal_deliver(&ksig, regs);
                if (is_compat_task())
                        handle_signal32(&ksig, oldset, regs);
                else
@@ -537,4 +537,5 @@ void do_notify_resume(struct pt_regs *regs)
 {
        clear_thread_flag(TIF_NOTIFY_RESUME);
        tracehook_notify_resume(regs);
+       rseq_handle_notify_resume(NULL, regs);
 }
index 8b210ead79569413ab74e3a1c03b506f48a1622f..022fc099b628292e3c9daeecb2eb18ac54816935 100644 (file)
 379  common    statx                   sys_statx                       compat_sys_statx
 380  common    s390_sthyi              sys_s390_sthyi                  compat_sys_s390_sthyi
 381  common    kexec_file_load         sys_kexec_file_load             compat_sys_kexec_file_load
+382  common    io_pgetevents           sys_io_pgetevents               compat_sys_io_pgetevents
+383  common    rseq                    sys_rseq                        compat_sys_rseq
index 84bd6329a88dd3ace39e612197dccec0a48dc4fc..e3bd5627afef3452c50325e955611a5814341b6f 100644 (file)
@@ -252,6 +252,8 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
                spin_unlock_bh(&mm->context.lock);
                if (mask != 0)
                        return;
+       } else {
+               atomic_xor_bits(&page->_refcount, 3U << 24);
        }
 
        pgtable_page_dtor(page);
@@ -304,6 +306,8 @@ static void __tlb_remove_table(void *_table)
                        break;
                /* fallthrough */
        case 3:         /* 4K page table with pgstes */
+               if (mask & 3)
+                       atomic_xor_bits(&page->_refcount, 3 << 24);
                pgtable_page_dtor(page);
                __free_page(page);
                break;
index d2db8acb1a55480895e38fdf142c3d074610230d..5f0234ec8038eb2d11e93b190f3f35e29f29207b 100644 (file)
@@ -1286,6 +1286,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
                goto free_addrs;
        }
        if (bpf_jit_prog(&jit, fp)) {
+               bpf_jit_binary_free(header);
                fp = orig_fp;
                goto free_addrs;
        }
index 9254e0b6cc060011d63b2bfa9ec281768776b2bc..717bf07764210f065315d7e3afa09774d9a87efe 100644 (file)
@@ -535,6 +535,7 @@ ENTRY(crypto_aegis128_aesni_enc_tail)
        movdqu STATE3, 0x40(STATEP)
 
        FRAME_END
+       ret
 ENDPROC(crypto_aegis128_aesni_enc_tail)
 
 .macro decrypt_block a s0 s1 s2 s3 s4 i
index 9263c344f2c797d847b7b7ec534803010a5c9e72..4eda2b8db9e1b08d4af85e37c6cf19039bc9220b 100644 (file)
@@ -645,6 +645,7 @@ ENTRY(crypto_aegis128l_aesni_enc_tail)
        state_store0
 
        FRAME_END
+       ret
 ENDPROC(crypto_aegis128l_aesni_enc_tail)
 
 /*
index 1d977d515bf992c649d8890316dfca41fc511364..32aae83972680731a4f36f92b608344d15339d9f 100644 (file)
@@ -543,6 +543,7 @@ ENTRY(crypto_aegis256_aesni_enc_tail)
        state_store0
 
        FRAME_END
+       ret
 ENDPROC(crypto_aegis256_aesni_enc_tail)
 
 /*
index 37d422e77931129d06e88c30edd040bc78c3de04..07653d4582a66b45370fa764747e5fa1056ef748 100644 (file)
@@ -453,6 +453,7 @@ ENTRY(crypto_morus1280_avx2_enc_tail)
        vmovdqu STATE4, (4 * 32)(%rdi)
 
        FRAME_END
+       ret
 ENDPROC(crypto_morus1280_avx2_enc_tail)
 
 /*
index 1fe637c7be9db5515bbaff68f935dea11d151062..bd1aa1b608698fd50c967a250dc257a89b5fa3b4 100644 (file)
@@ -652,6 +652,7 @@ ENTRY(crypto_morus1280_sse2_enc_tail)
        movdqu STATE4_HI, (9 * 16)(%rdi)
 
        FRAME_END
+       ret
 ENDPROC(crypto_morus1280_sse2_enc_tail)
 
 /*
index 71c72a0a0862c25da3293b499f0b2994e14f9926..efa02816d921c246b02a40a5b85e1396068c9beb 100644 (file)
@@ -437,6 +437,7 @@ ENTRY(crypto_morus640_sse2_enc_tail)
        movdqu STATE4, (4 * 16)(%rdi)
 
        FRAME_END
+       ret
 ENDPROC(crypto_morus640_sse2_enc_tail)
 
 /*
index 2582881d19ceeeb75a9a90588547914ccdefdbd0..c371bfee137ac976a01716118faf6cf490a3b5aa 100644 (file)
@@ -477,7 +477,7 @@ ENTRY(entry_SYSENTER_32)
         * whereas POPF does not.)
         */
        addl    $PT_EFLAGS-PT_DS, %esp  /* point esp at pt_regs->flags */
-       btr     $X86_EFLAGS_IF_BIT, (%esp)
+       btrl    $X86_EFLAGS_IF_BIT, (%esp)
        popfl
 
        /*
index 9de7f1e1dede7f6e6ebdc66e5f63756a173cdc0a..7d0df78db727296d1c4451e3a930033669f47aa3 100644 (file)
@@ -84,13 +84,13 @@ ENTRY(entry_SYSENTER_compat)
        pushq   %rdx                    /* pt_regs->dx */
        pushq   %rcx                    /* pt_regs->cx */
        pushq   $-ENOSYS                /* pt_regs->ax */
-       pushq   %r8                     /* pt_regs->r8 */
+       pushq   $0                      /* pt_regs->r8  = 0 */
        xorl    %r8d, %r8d              /* nospec   r8 */
-       pushq   %r9                     /* pt_regs->r9 */
+       pushq   $0                      /* pt_regs->r9  = 0 */
        xorl    %r9d, %r9d              /* nospec   r9 */
-       pushq   %r10                    /* pt_regs->r10 */
+       pushq   $0                      /* pt_regs->r10 = 0 */
        xorl    %r10d, %r10d            /* nospec   r10 */
-       pushq   %r11                    /* pt_regs->r11 */
+       pushq   $0                      /* pt_regs->r11 = 0 */
        xorl    %r11d, %r11d            /* nospec   r11 */
        pushq   %rbx                    /* pt_regs->rbx */
        xorl    %ebx, %ebx              /* nospec   rbx */
@@ -374,13 +374,13 @@ ENTRY(entry_INT80_compat)
        pushq   %rcx                    /* pt_regs->cx */
        xorl    %ecx, %ecx              /* nospec   cx */
        pushq   $-ENOSYS                /* pt_regs->ax */
-       pushq   $0                      /* pt_regs->r8  = 0 */
+       pushq   %r8                     /* pt_regs->r8 */
        xorl    %r8d, %r8d              /* nospec   r8 */
-       pushq   $0                      /* pt_regs->r9  = 0 */
+       pushq   %r9                     /* pt_regs->r9 */
        xorl    %r9d, %r9d              /* nospec   r9 */
-       pushq   $0                      /* pt_regs->r10 = 0 */
+       pushq   %r10                    /* pt_regs->r10*/
        xorl    %r10d, %r10d            /* nospec   r10 */
-       pushq   $0                      /* pt_regs->r11 = 0 */
+       pushq   %r11                    /* pt_regs->r11 */
        xorl    %r11d, %r11d            /* nospec   r11 */
        pushq   %rbx                    /* pt_regs->rbx */
        xorl    %ebx, %ebx              /* nospec   rbx */
index f68855499391f4637532fa0de4c95ca844e6563e..40233836565118f4fb60239ded1fc09aabe34cf1 100644 (file)
@@ -114,6 +114,8 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector)
                ipi_arg->vp_set.format = HV_GENERIC_SET_SPARSE_4K;
                nr_bank = cpumask_to_vpset(&(ipi_arg->vp_set), mask);
        }
+       if (nr_bank < 0)
+               goto ipi_mask_ex_done;
        if (!nr_bank)
                ipi_arg->vp_set.format = HV_GENERIC_SET_ALL;
 
@@ -158,6 +160,9 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector)
 
        for_each_cpu(cur_cpu, mask) {
                vcpu = hv_cpu_number_to_vp_number(cur_cpu);
+               if (vcpu == VP_INVAL)
+                       goto ipi_mask_done;
+
                /*
                 * This particular version of the IPI hypercall can
                 * only target upto 64 CPUs.
index 4c431e1c1effc42ade651f9a69c3e06136827e17..1ff420217298edf88648d35b56cefb73b8beb788 100644 (file)
@@ -265,7 +265,7 @@ void __init hyperv_init(void)
 {
        u64 guest_id, required_msrs;
        union hv_x64_msr_hypercall_contents hypercall_msr;
-       int cpuhp;
+       int cpuhp, i;
 
        if (x86_hyper_type != X86_HYPER_MS_HYPERV)
                return;
@@ -293,6 +293,9 @@ void __init hyperv_init(void)
        if (!hv_vp_index)
                return;
 
+       for (i = 0; i < num_possible_cpus(); i++)
+               hv_vp_index[i] = VP_INVAL;
+
        hv_vp_assist_page = kcalloc(num_possible_cpus(),
                                    sizeof(*hv_vp_assist_page), GFP_KERNEL);
        if (!hv_vp_assist_page) {
index 219faaec51dfa192f69d8893c8844219c0c89029..990770f9e76b5a52af6f85692883a8507af00af6 100644 (file)
 #define _ASM_SI                __ASM_REG(si)
 #define _ASM_DI                __ASM_REG(di)
 
+#ifndef __x86_64__
+/* 32 bit */
+
+#define _ASM_ARG1      _ASM_AX
+#define _ASM_ARG2      _ASM_DX
+#define _ASM_ARG3      _ASM_CX
+
+#define _ASM_ARG1L     eax
+#define _ASM_ARG2L     edx
+#define _ASM_ARG3L     ecx
+
+#define _ASM_ARG1W     ax
+#define _ASM_ARG2W     dx
+#define _ASM_ARG3W     cx
+
+#define _ASM_ARG1B     al
+#define _ASM_ARG2B     dl
+#define _ASM_ARG3B     cl
+
+#else
+/* 64 bit */
+
+#define _ASM_ARG1      _ASM_DI
+#define _ASM_ARG2      _ASM_SI
+#define _ASM_ARG3      _ASM_DX
+#define _ASM_ARG4      _ASM_CX
+#define _ASM_ARG5      r8
+#define _ASM_ARG6      r9
+
+#define _ASM_ARG1Q     rdi
+#define _ASM_ARG2Q     rsi
+#define _ASM_ARG3Q     rdx
+#define _ASM_ARG4Q     rcx
+#define _ASM_ARG5Q     r8
+#define _ASM_ARG6Q     r9
+
+#define _ASM_ARG1L     edi
+#define _ASM_ARG2L     esi
+#define _ASM_ARG3L     edx
+#define _ASM_ARG4L     ecx
+#define _ASM_ARG5L     r8d
+#define _ASM_ARG6L     r9d
+
+#define _ASM_ARG1W     di
+#define _ASM_ARG2W     si
+#define _ASM_ARG3W     dx
+#define _ASM_ARG4W     cx
+#define _ASM_ARG5W     r8w
+#define _ASM_ARG6W     r9w
+
+#define _ASM_ARG1B     dil
+#define _ASM_ARG2B     sil
+#define _ASM_ARG3B     dl
+#define _ASM_ARG4B     cl
+#define _ASM_ARG5B     r8b
+#define _ASM_ARG6B     r9b
+
+#endif
+
 /*
  * Macros to generate condition code outputs from inline assembly,
  * The output operand must be type "bool".
index 89f08955fff733c688a5ce4f4a0b8d74050ee617..c4fc17220df959f2d5feb493af6374e7dacce613 100644 (file)
@@ -13,7 +13,7 @@
  * Interrupt control:
  */
 
-static inline unsigned long native_save_fl(void)
+extern inline unsigned long native_save_fl(void)
 {
        unsigned long flags;
 
index 3cd14311edfad6d04c5ea382b2b6845f66a9d6f8..5a7375ed5f7cd80ca9925f05d422a9090e3602be 100644 (file)
@@ -9,6 +9,8 @@
 #include <asm/hyperv-tlfs.h>
 #include <asm/nospec-branch.h>
 
+#define VP_INVAL       U32_MAX
+
 struct ms_hyperv_info {
        u32 features;
        u32 misc_features;
@@ -20,7 +22,6 @@ struct ms_hyperv_info {
 
 extern struct ms_hyperv_info ms_hyperv;
 
-
 /*
  * Generate the guest ID.
  */
@@ -281,6 +282,8 @@ static inline int cpumask_to_vpset(struct hv_vpset *vpset,
         */
        for_each_cpu(cpu, cpus) {
                vcpu = hv_cpu_number_to_vp_number(cpu);
+               if (vcpu == VP_INVAL)
+                       return -1;
                vcpu_bank = vcpu / 64;
                vcpu_offset = vcpu % 64;
                __set_bit(vcpu_offset, (unsigned long *)
index ada6410fd2ecf6fdde039a185ce570b20af53fca..fbd578daa66e97416058e961dd440774fa9ed586 100644 (file)
@@ -184,6 +184,9 @@ static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long addr)
 
 static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)
 {
+       if (!pgtable_l5_enabled())
+               return;
+
        BUG_ON((unsigned long)p4d & (PAGE_SIZE-1));
        free_page((unsigned long)p4d);
 }
index 99ecde23c3ec03e02a9aba157e4b31e3c6f53ed7..5715647fc4feca86c8b00e299b347ee602b1b4e6 100644 (file)
@@ -898,7 +898,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd)
 #define pgd_page(pgd)  pfn_to_page(pgd_pfn(pgd))
 
 /* to find an entry in a page-table-directory. */
-static __always_inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address)
+static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address)
 {
        if (!pgtable_l5_enabled())
                return (p4d_t *)pgd;
index 0fdcd21dadbd6422bf40f5cbb2361c08c5fafc14..3c5385f9a88fc1e78729647566d819abbd210b42 100644 (file)
@@ -216,7 +216,7 @@ static inline pgd_t pti_set_user_pgd(pgd_t *pgdp, pgd_t pgd)
 }
 #endif
 
-static __always_inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
+static inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
 {
        pgd_t pgd;
 
@@ -230,7 +230,7 @@ static __always_inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d)
        *p4dp = native_make_p4d(native_pgd_val(pgd));
 }
 
-static __always_inline void native_p4d_clear(p4d_t *p4d)
+static inline void native_p4d_clear(p4d_t *p4d)
 {
        native_set_p4d(p4d, native_make_p4d(0));
 }
index 02d6f5cf4e70800188994e7e64f52916a9d7d83e..8824d01c0c352d6dbd2c12e228bd0de9ca335166 100644 (file)
@@ -61,6 +61,7 @@ obj-y                 += alternative.o i8253.o hw_breakpoint.o
 obj-y                  += tsc.o tsc_msr.o io_delay.o rtc.o
 obj-y                  += pci-iommu_table.o
 obj-y                  += resource.o
+obj-y                  += irqflags.o
 
 obj-y                          += process.o
 obj-y                          += fpu/
index 082d7875cef82eb779b68e5105330482f5a419d8..38915fbfae73d5cfeacbf16624fa49cb9edc7ec7 100644 (file)
@@ -543,7 +543,9 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
                nodes_per_socket = ((value >> 3) & 7) + 1;
        }
 
-       if (c->x86 >= 0x15 && c->x86 <= 0x17) {
+       if (!boot_cpu_has(X86_FEATURE_AMD_SSBD) &&
+           !boot_cpu_has(X86_FEATURE_VIRT_SSBD) &&
+           c->x86 >= 0x15 && c->x86 <= 0x17) {
                unsigned int bit;
 
                switch (c->x86) {
index 404df26b7de89f03d495234c81247198dfadbad5..5c0ea39311fe305ab183cc3f5bde0fe3bf5d1c5f 100644 (file)
@@ -155,7 +155,8 @@ x86_virt_spec_ctrl(u64 guest_spec_ctrl, u64 guest_virt_spec_ctrl, bool setguest)
                guestval |= guest_spec_ctrl & x86_spec_ctrl_mask;
 
                /* SSBD controlled in MSR_SPEC_CTRL */
-               if (static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD))
+               if (static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) ||
+                   static_cpu_has(X86_FEATURE_AMD_SSBD))
                        hostval |= ssbd_tif_to_spec_ctrl(ti->flags);
 
                if (hostval != guestval) {
@@ -533,9 +534,10 @@ static enum ssb_mitigation __init __ssb_select_mitigation(void)
                 * Intel uses the SPEC CTRL MSR Bit(2) for this, while AMD may
                 * use a completely different MSR and bit dependent on family.
                 */
-               if (!static_cpu_has(X86_FEATURE_MSR_SPEC_CTRL))
+               if (!static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) &&
+                   !static_cpu_has(X86_FEATURE_AMD_SSBD)) {
                        x86_amd_ssb_disable();
-               else {
+               else {
                        x86_spec_ctrl_base |= SPEC_CTRL_SSBD;
                        x86_spec_ctrl_mask |= SPEC_CTRL_SSBD;
                        wrmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);
index 4021d3859499c77c14eaa1c40864c752547df68c..40eee6cc412484470daba013f2a197439163707a 100644 (file)
@@ -106,7 +106,8 @@ mtrr_write(struct file *file, const char __user *buf, size_t len, loff_t * ppos)
 
        memset(line, 0, LINE_SIZE);
 
-       length = strncpy_from_user(line, buf, LINE_SIZE - 1);
+       len = min_t(size_t, len, LINE_SIZE - 1);
+       length = strncpy_from_user(line, buf, len);
        if (length < 0)
                return length;
 
index d1f25c83144752272401afe8c8aec313d40298ae..c88c23c658c1e99faad3daa236448bc4208901d7 100644 (file)
@@ -1248,6 +1248,7 @@ void __init e820__memblock_setup(void)
 {
        int i;
        u64 end;
+       u64 addr = 0;
 
        /*
         * The bootstrap memblock region count maximum is 128 entries
@@ -1264,13 +1265,21 @@ void __init e820__memblock_setup(void)
                struct e820_entry *entry = &e820_table->entries[i];
 
                end = entry->addr + entry->size;
+               if (addr < entry->addr)
+                       memblock_reserve(addr, entry->addr - addr);
+               addr = end;
                if (end != (resource_size_t)end)
                        continue;
 
+               /*
+                * all !E820_TYPE_RAM ranges (including gap ranges) are put
+                * into memblock.reserved to make sure that struct pages in
+                * such regions are not left uninitialized after bootup.
+                */
                if (entry->type != E820_TYPE_RAM && entry->type != E820_TYPE_RESERVED_KERN)
-                       continue;
-
-               memblock_add(entry->addr, entry->size);
+                       memblock_reserve(entry->addr, entry->size);
+               else
+                       memblock_add(entry->addr, entry->size);
        }
 
        /* Throw away partial pages: */
diff --git a/arch/x86/kernel/irqflags.S b/arch/x86/kernel/irqflags.S
new file mode 100644 (file)
index 0000000..ddeeaac
--- /dev/null
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <asm/asm.h>
+#include <asm/export.h>
+#include <linux/linkage.h>
+
+/*
+ * unsigned long native_save_fl(void)
+ */
+ENTRY(native_save_fl)
+       pushf
+       pop %_ASM_AX
+       ret
+ENDPROC(native_save_fl)
+EXPORT_SYMBOL(native_save_fl)
+
+/*
+ * void native_restore_fl(unsigned long flags)
+ * %eax/%rdi: flags
+ */
+ENTRY(native_restore_fl)
+       push %_ASM_ARG1
+       popf
+       ret
+ENDPROC(native_restore_fl)
+EXPORT_SYMBOL(native_restore_fl)
index c2f7d1d2a5c36fca041809b727bde36afb347c34..db9656e13ea0418dbf9e619f183bd2176e2d94d6 100644 (file)
@@ -221,6 +221,11 @@ static void notrace start_secondary(void *unused)
 #ifdef CONFIG_X86_32
        /* switch away from the initial page table */
        load_cr3(swapper_pg_dir);
+       /*
+        * Initialize the CR4 shadow before doing anything that could
+        * try to read it.
+        */
+       cr4_init_shadow();
        __flush_tlb_all();
 #endif
        load_current_idt();
index 9a84a0d08727b7452ebea1e2e35b5ad3eb0b6e79..2aafa6ab6103d150ad26e097221a972f5d16363f 100644 (file)
@@ -641,11 +641,6 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
        return 0;
 }
 
-static const char nx_warning[] = KERN_CRIT
-"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n";
-static const char smep_warning[] = KERN_CRIT
-"unable to execute userspace code (SMEP?) (uid: %d)\n";
-
 static void
 show_fault_oops(struct pt_regs *regs, unsigned long error_code,
                unsigned long address)
@@ -664,20 +659,18 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code,
                pte = lookup_address_in_pgd(pgd, address, &level);
 
                if (pte && pte_present(*pte) && !pte_exec(*pte))
-                       printk(nx_warning, from_kuid(&init_user_ns, current_uid()));
+                       pr_crit("kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n",
+                               from_kuid(&init_user_ns, current_uid()));
                if (pte && pte_present(*pte) && pte_exec(*pte) &&
                                (pgd_flags(*pgd) & _PAGE_USER) &&
                                (__read_cr4() & X86_CR4_SMEP))
-                       printk(smep_warning, from_kuid(&init_user_ns, current_uid()));
+                       pr_crit("unable to execute userspace code (SMEP?) (uid: %d)\n",
+                               from_kuid(&init_user_ns, current_uid()));
        }
 
-       printk(KERN_ALERT "BUG: unable to handle kernel ");
-       if (address < PAGE_SIZE)
-               printk(KERN_CONT "NULL pointer dereference");
-       else
-               printk(KERN_CONT "paging request");
-
-       printk(KERN_CONT " at %px\n", (void *) address);
+       pr_alert("BUG: unable to handle kernel %s at %px\n",
+                address < PAGE_SIZE ? "NULL pointer dereference" : "paging request",
+                (void *)address);
 
        dump_pagetable(address);
 }
index e01f7ceb9e7a17436eb71634c5467bbb20a2a2de..77873ce700ae7d703a3385719282dbd31a092ed9 100644 (file)
@@ -166,14 +166,14 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd)
                pgd = pgd_offset_k(pgd_idx * PGDIR_SIZE);
                set_pgd(pgd_offset_k(pgd_idx * PGDIR_SIZE), save_pgd[pgd_idx]);
 
-               if (!(pgd_val(*pgd) & _PAGE_PRESENT))
+               if (!pgd_present(*pgd))
                        continue;
 
                for (i = 0; i < PTRS_PER_P4D; i++) {
                        p4d = p4d_offset(pgd,
                                         pgd_idx * PGDIR_SIZE + i * P4D_SIZE);
 
-                       if (!(p4d_val(*p4d) & _PAGE_PRESENT))
+                       if (!p4d_present(*p4d))
                                continue;
 
                        pud = (pud_t *)p4d_page_vaddr(*p4d);
index afd2596ea3d3601960ef665b48a8a75e100f3741..f84a9b7b6f5aa167c5559079f095e3d3dff28f0d 100644 (file)
@@ -3473,6 +3473,10 @@ static void __blk_rq_prep_clone(struct request *dst, struct request *src)
        dst->cpu = src->cpu;
        dst->__sector = blk_rq_pos(src);
        dst->__data_len = blk_rq_bytes(src);
+       if (src->rq_flags & RQF_SPECIAL_PAYLOAD) {
+               dst->rq_flags |= RQF_SPECIAL_PAYLOAD;
+               dst->special_vec = src->special_vec;
+       }
        dst->nr_phys_segments = src->nr_phys_segments;
        dst->ioprio = src->ioprio;
        dst->extra_len = src->extra_len;
index b429d515b5689eddb29c19886fc221d0e0c463f9..95919268564b162ed291a683dd5c27668cad0834 100644 (file)
@@ -1075,6 +1075,9 @@ static bool blk_mq_mark_tag_wait(struct blk_mq_hw_ctx **hctx,
 
 #define BLK_MQ_RESOURCE_DELAY  3               /* ms units */
 
+/*
+ * Returns true if we did some work AND can potentially do more.
+ */
 bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
                             bool got_budget)
 {
@@ -1205,8 +1208,17 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
                        blk_mq_run_hw_queue(hctx, true);
                else if (needs_restart && (ret == BLK_STS_RESOURCE))
                        blk_mq_delay_run_hw_queue(hctx, BLK_MQ_RESOURCE_DELAY);
+
+               return false;
        }
 
+       /*
+        * If the host/device is unable to accept more work, inform the
+        * caller of that.
+        */
+       if (ret == BLK_STS_RESOURCE || ret == BLK_STS_DEV_RESOURCE)
+               return false;
+
        return (queued + errors) != 0;
 }
 
index 150d82da8e996d8c28be4ae3e4bd64a0331c9c08..1efd6fa0dc608c2a3d598b56c798f3e772a2bdbc 100644 (file)
@@ -1,3 +1,3 @@
 #include <linux/kernel.h>
 
-extern const char __initdata *const blacklist_hashes[];
+extern const char __initconst *const blacklist_hashes[];
index 49fa8582138b2df45e087f3a31a80ac5d5bbdc2a..314c52c967e5882a72b26adf821fd92a2bef5a02 100644 (file)
@@ -1060,12 +1060,19 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err)
 }
 EXPORT_SYMBOL_GPL(af_alg_async_cb);
 
-__poll_t af_alg_poll_mask(struct socket *sock, __poll_t events)
+/**
+ * af_alg_poll - poll system call handler
+ */
+__poll_t af_alg_poll(struct file *file, struct socket *sock,
+                        poll_table *wait)
 {
        struct sock *sk = sock->sk;
        struct alg_sock *ask = alg_sk(sk);
        struct af_alg_ctx *ctx = ask->private;
-       __poll_t mask = 0;
+       __poll_t mask;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        if (!ctx->more || ctx->used)
                mask |= EPOLLIN | EPOLLRDNORM;
@@ -1075,7 +1082,7 @@ __poll_t af_alg_poll_mask(struct socket *sock, __poll_t events)
 
        return mask;
 }
-EXPORT_SYMBOL_GPL(af_alg_poll_mask);
+EXPORT_SYMBOL_GPL(af_alg_poll);
 
 /**
  * af_alg_alloc_areq - allocate struct af_alg_async_req
index 825524f274384fdfd2a569be01e593d8f41a72b2..c40a8c7ee8aedcb0f6adb3afb1e0bb60a233d68c 100644 (file)
@@ -375,7 +375,7 @@ static struct proto_ops algif_aead_ops = {
        .sendmsg        =       aead_sendmsg,
        .sendpage       =       af_alg_sendpage,
        .recvmsg        =       aead_recvmsg,
-       .poll_mask      =       af_alg_poll_mask,
+       .poll           =       af_alg_poll,
 };
 
 static int aead_check_key(struct socket *sock)
@@ -471,7 +471,7 @@ static struct proto_ops algif_aead_ops_nokey = {
        .sendmsg        =       aead_sendmsg_nokey,
        .sendpage       =       aead_sendpage_nokey,
        .recvmsg        =       aead_recvmsg_nokey,
-       .poll_mask      =       af_alg_poll_mask,
+       .poll           =       af_alg_poll,
 };
 
 static void *aead_bind(const char *name, u32 type, u32 mask)
index 4c04eb9888adf82f68a18d17c9d6e73adc74aa90..cfdaab2b7d766d517e239687bf2232e09a749991 100644 (file)
@@ -206,7 +206,7 @@ static struct proto_ops algif_skcipher_ops = {
        .sendmsg        =       skcipher_sendmsg,
        .sendpage       =       af_alg_sendpage,
        .recvmsg        =       skcipher_recvmsg,
-       .poll_mask      =       af_alg_poll_mask,
+       .poll           =       af_alg_poll,
 };
 
 static int skcipher_check_key(struct socket *sock)
@@ -302,7 +302,7 @@ static struct proto_ops algif_skcipher_ops_nokey = {
        .sendmsg        =       skcipher_sendmsg_nokey,
        .sendpage       =       skcipher_sendpage_nokey,
        .recvmsg        =       skcipher_recvmsg_nokey,
-       .poll_mask      =       af_alg_poll_mask,
+       .poll           =       af_alg_poll,
 };
 
 static void *skcipher_bind(const char *name, u32 type, u32 mask)
index 7d81e6bb461a330a225658dde9b002b3b24e26bc..b6cabac4b62ba6b920cb5947c56db5839711bcc7 100644 (file)
@@ -249,6 +249,15 @@ int x509_note_signature(void *context, size_t hdrlen,
                return -EINVAL;
        }
 
+       if (strcmp(ctx->cert->sig->pkey_algo, "rsa") == 0) {
+               /* Discard the BIT STRING metadata */
+               if (vlen < 1 || *(const u8 *)value != 0)
+                       return -EBADMSG;
+
+               value++;
+               vlen--;
+       }
+
        ctx->cert->raw_sig = value;
        ctx->cert->raw_sig_size = vlen;
        return 0;
index fc0c2e2328cd35218c71a2db56f3634cce4a0d46..fe9d46d81750792350270c4f6c1920a77e236a05 100644 (file)
@@ -51,16 +51,23 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
                return_ACPI_STATUS(status);
        }
 
-       /*
-        * 1) Disable all GPEs
-        * 2) Enable all wakeup GPEs
-        */
+       /* Disable all GPEs */
        status = acpi_hw_disable_all_gpes();
        if (ACPI_FAILURE(status)) {
                return_ACPI_STATUS(status);
        }
+       /*
+        * If the target sleep state is S5, clear all GPEs and fixed events too
+        */
+       if (sleep_state == ACPI_STATE_S5) {
+               status = acpi_hw_clear_acpi_status();
+               if (ACPI_FAILURE(status)) {
+                       return_ACPI_STATUS(status);
+               }
+       }
        acpi_gbl_system_awake_and_running = FALSE;
 
+        /* Enable all wakeup GPEs */
        status = acpi_hw_enable_all_wakeup_gpes();
        if (ACPI_FAILURE(status)) {
                return_ACPI_STATUS(status);
index 5a64ddaed8a3782f94e278424368a7ce7167bfbb..e474302726926dd0c997c9432da0f9488af65011 100644 (file)
@@ -182,19 +182,19 @@ acpi_ut_prefixed_namespace_error(const char *module_name,
        switch (lookup_status) {
        case AE_ALREADY_EXISTS:
 
-               acpi_os_printf("\n" ACPI_MSG_BIOS_ERROR);
+               acpi_os_printf(ACPI_MSG_BIOS_ERROR);
                message = "Failure creating";
                break;
 
        case AE_NOT_FOUND:
 
-               acpi_os_printf("\n" ACPI_MSG_BIOS_ERROR);
+               acpi_os_printf(ACPI_MSG_BIOS_ERROR);
                message = "Could not resolve";
                break;
 
        default:
 
-               acpi_os_printf("\n" ACPI_MSG_ERROR);
+               acpi_os_printf(ACPI_MSG_ERROR);
                message = "Failure resolving";
                break;
        }
index b0113a5802a3c073f5787de456bc601f0f8c11cd..d79ad844c78fcee1e51cfa7cde066363e45f51ef 100644 (file)
@@ -717,10 +717,11 @@ void battery_hook_register(struct acpi_battery_hook *hook)
                         */
                        pr_err("extension failed to load: %s", hook->name);
                        __battery_hook_unregister(hook, 0);
-                       return;
+                       goto end;
                }
        }
        pr_info("new extension: %s\n", hook->name);
+end:
        mutex_unlock(&hook_mutex);
 }
 EXPORT_SYMBOL_GPL(battery_hook_register);
@@ -732,7 +733,7 @@ EXPORT_SYMBOL_GPL(battery_hook_register);
 */
 static void battery_hook_add_battery(struct acpi_battery *battery)
 {
-       struct acpi_battery_hook *hook_node;
+       struct acpi_battery_hook *hook_node, *tmp;
 
        mutex_lock(&hook_mutex);
        INIT_LIST_HEAD(&battery->list);
@@ -744,15 +745,15 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
         * when a battery gets hotplugged or initialized
         * during the battery module initialization.
         */
-       list_for_each_entry(hook_node, &battery_hook_list, list) {
+       list_for_each_entry_safe(hook_node, tmp, &battery_hook_list, list) {
                if (hook_node->add_battery(battery->bat)) {
                        /*
                         * The notification of the extensions has failed, to
                         * prevent further errors we will unload the extension.
                         */
-                       __battery_hook_unregister(hook_node, 0);
                        pr_err("error in extension, unloading: %s",
                                        hook_node->name);
+                       __battery_hook_unregister(hook_node, 0);
                }
        }
        mutex_unlock(&hook_mutex);
index 7ca41bf023c9f354cad85617f0cceab228640d65..8df9abfa947b0dca4719c674fd645d187ade242d 100644 (file)
@@ -45,6 +45,8 @@
 #include <linux/uaccess.h>
 #include <linux/io-64-nonatomic-lo-hi.h>
 
+#include "acpica/accommon.h"
+#include "acpica/acnamesp.h"
 #include "internal.h"
 
 #define _COMPONENT             ACPI_OS_SERVICES
@@ -1490,6 +1492,76 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
 }
 EXPORT_SYMBOL(acpi_check_region);
 
+static acpi_status acpi_deactivate_mem_region(acpi_handle handle, u32 level,
+                                             void *_res, void **return_value)
+{
+       struct acpi_mem_space_context **mem_ctx;
+       union acpi_operand_object *handler_obj;
+       union acpi_operand_object *region_obj2;
+       union acpi_operand_object *region_obj;
+       struct resource *res = _res;
+       acpi_status status;
+
+       region_obj = acpi_ns_get_attached_object(handle);
+       if (!region_obj)
+               return AE_OK;
+
+       handler_obj = region_obj->region.handler;
+       if (!handler_obj)
+               return AE_OK;
+
+       if (region_obj->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
+               return AE_OK;
+
+       if (!(region_obj->region.flags & AOPOBJ_SETUP_COMPLETE))
+               return AE_OK;
+
+       region_obj2 = acpi_ns_get_secondary_object(region_obj);
+       if (!region_obj2)
+               return AE_OK;
+
+       mem_ctx = (void *)&region_obj2->extra.region_context;
+
+       if (!(mem_ctx[0]->address >= res->start &&
+             mem_ctx[0]->address < res->end))
+               return AE_OK;
+
+       status = handler_obj->address_space.setup(region_obj,
+                                                 ACPI_REGION_DEACTIVATE,
+                                                 NULL, (void **)mem_ctx);
+       if (ACPI_SUCCESS(status))
+               region_obj->region.flags &= ~(AOPOBJ_SETUP_COMPLETE);
+
+       return status;
+}
+
+/**
+ * acpi_release_memory - Release any mappings done to a memory region
+ * @handle: Handle to namespace node
+ * @res: Memory resource
+ * @level: A level that terminates the search
+ *
+ * Walks through @handle and unmaps all SystemMemory Operation Regions that
+ * overlap with @res and that have already been activated (mapped).
+ *
+ * This is a helper that allows drivers to place special requirements on memory
+ * region that may overlap with operation regions, primarily allowing them to
+ * safely map the region as non-cached memory.
+ *
+ * The unmapped Operation Regions will be automatically remapped next time they
+ * are called, so the drivers do not need to do anything else.
+ */
+acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
+                               u32 level)
+{
+       if (!(res->flags & IORESOURCE_MEM))
+               return AE_TYPE;
+
+       return acpi_walk_namespace(ACPI_TYPE_REGION, handle, level,
+                                  acpi_deactivate_mem_region, NULL, res, NULL);
+}
+EXPORT_SYMBOL_GPL(acpi_release_memory);
+
 /*
  * Let drivers know whether the resource checks are effective
  */
index e5ea1974d1e3820db7e97f8437a7931de70784f8..d1e26cb599bfca340e076500b9e27ec2f3c0bc73 100644 (file)
@@ -481,8 +481,14 @@ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table,
        if (cpu_node) {
                cpu_node = acpi_find_processor_package_id(table, cpu_node,
                                                          level, flag);
-               /* Only the first level has a guaranteed id */
-               if (level == 0)
+               /*
+                * As per specification if the processor structure represents
+                * an actual processor, then ACPI processor ID must be valid.
+                * For processor containers ACPI_PPTT_ACPI_PROCESSOR_ID_VALID
+                * should be set if the UID is valid
+                */
+               if (level == 0 ||
+                   cpu_node->flags & ACPI_PPTT_ACPI_PROCESSOR_ID_VALID)
                        return cpu_node->acpi_processor_id;
                return ACPI_PTR_DIFF(cpu_node, table);
        }
index 2b16e7c8fff357645d3cec4069330b89985347bb..39b181d6bd0d8cf2cbcd9dde1cf89b373ecae6a4 100644 (file)
@@ -398,7 +398,6 @@ config SATA_DWC_VDEBUG
 
 config SATA_HIGHBANK
        tristate "Calxeda Highbank SATA support"
-       depends on HAS_DMA
        depends on ARCH_HIGHBANK || COMPILE_TEST
        help
          This option enables support for the Calxeda Highbank SoC's
@@ -408,7 +407,6 @@ config SATA_HIGHBANK
 
 config SATA_MV
        tristate "Marvell SATA support"
-       depends on HAS_DMA
        depends on PCI || ARCH_DOVE || ARCH_MV78XX0 || \
                   ARCH_MVEBU || ARCH_ORION5X || COMPILE_TEST
        select GENERIC_PHY
index 738fb22978ddcd14ad1956c5119972f19b17d2a6..b2b9eba1d214765723165f1d3d7c1bda64720207 100644 (file)
@@ -400,6 +400,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
        { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
        { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
+       { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
 
        /* JMicron 360/1/3/5/6, match class to avoid IDE function */
        { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -1280,6 +1281,59 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
        return strcmp(buf, dmi->driver_data) < 0;
 }
 
+static bool ahci_broken_lpm(struct pci_dev *pdev)
+{
+       static const struct dmi_system_id sysids[] = {
+               /* Various Lenovo 50 series have LPM issues with older BIOSen */
+               {
+                       .matches = {
+                               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"),
+                       },
+                       .driver_data = "20180406", /* 1.31 */
+               },
+               {
+                       .matches = {
+                               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"),
+                       },
+                       .driver_data = "20180420", /* 1.28 */
+               },
+               {
+                       .matches = {
+                               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"),
+                       },
+                       .driver_data = "20180315", /* 1.33 */
+               },
+               {
+                       .matches = {
+                               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"),
+                       },
+                       /*
+                        * Note date based on release notes, 2.35 has been
+                        * reported to be good, but I've been unable to get
+                        * a hold of the reporter to get the DMI BIOS date.
+                        * TODO: fix this.
+                        */
+                       .driver_data = "20180310", /* 2.35 */
+               },
+               { }     /* terminate list */
+       };
+       const struct dmi_system_id *dmi = dmi_first_match(sysids);
+       int year, month, date;
+       char buf[9];
+
+       if (!dmi)
+               return false;
+
+       dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
+       snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
+
+       return strcmp(buf, dmi->driver_data) < 0;
+}
+
 static bool ahci_broken_online(struct pci_dev *pdev)
 {
 #define ENCODE_BUSDEVFN(bus, slot, func)                       \
@@ -1694,6 +1748,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                        "quirky BIOS, skipping spindown on poweroff\n");
        }
 
+       if (ahci_broken_lpm(pdev)) {
+               pi.flags |= ATA_FLAG_NO_LPM;
+               dev_warn(&pdev->dev,
+                        "BIOS update required for Link Power Management support\n");
+       }
+
        if (ahci_broken_suspend(pdev)) {
                hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
                dev_warn(&pdev->dev,
index 0045dacd814b44ec21f87e4acceb07e69056f214..72d90b4c3aaefa4b9051d02383b55c9e3899072b 100644 (file)
@@ -82,7 +82,7 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv)
  *
  * Return: 0 on success; Error code otherwise.
  */
-int ahci_mvebu_stop_engine(struct ata_port *ap)
+static int ahci_mvebu_stop_engine(struct ata_port *ap)
 {
        void __iomem *port_mmio = ahci_port_base(ap);
        u32 tmp, port_fbs;
index 965842a08743f38d08d4a4c58cc345ffc4c81f97..09620c2ffa0f72e1a696d10d3e4480818b101e51 100644 (file)
@@ -35,6 +35,7 @@
 #include <linux/kernel.h>
 #include <linux/gfp.h>
 #include <linux/module.h>
+#include <linux/nospec.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
@@ -1146,10 +1147,12 @@ static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
 
        /* get the slot number from the message */
        pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
-       if (pmp < EM_MAX_SLOTS)
+       if (pmp < EM_MAX_SLOTS) {
+               pmp = array_index_nospec(pmp, EM_MAX_SLOTS);
                emp = &pp->em_priv[pmp];
-       else
+       } else {
                return -EINVAL;
+       }
 
        /* mask off the activity bits if we are in sw_activity
         * mode, user should turn off sw_activity before setting
index 27d15ed7fa3d03771f020cf064749f6f9fe38633..cc71c63df3819f8da0ff312fed83dc17d706136c 100644 (file)
@@ -2493,6 +2493,9 @@ int ata_dev_configure(struct ata_device *dev)
            (id[ATA_ID_SATA_CAPABILITY] & 0xe) == 0x2)
                dev->horkage |= ATA_HORKAGE_NOLPM;
 
+       if (ap->flags & ATA_FLAG_NO_LPM)
+               dev->horkage |= ATA_HORKAGE_NOLPM;
+
        if (dev->horkage & ATA_HORKAGE_NOLPM) {
                ata_dev_warn(dev, "LPM support broken, forcing max_power\n");
                dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER;
index d5412145d76d60c2cc1393f07315bff2431c28a0..01306c018398fa16583cab46bd1e51b9ccf86309 100644 (file)
@@ -614,8 +614,7 @@ void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap,
                list_for_each_entry_safe(scmd, tmp, eh_work_q, eh_entry) {
                        struct ata_queued_cmd *qc;
 
-                       for (i = 0; i < ATA_MAX_QUEUE; i++) {
-                               qc = __ata_qc_from_tag(ap, i);
+                       ata_qc_for_each_raw(ap, qc, i) {
                                if (qc->flags & ATA_QCFLAG_ACTIVE &&
                                    qc->scsicmd == scmd)
                                        break;
@@ -818,14 +817,13 @@ EXPORT_SYMBOL_GPL(ata_port_wait_eh);
 
 static int ata_eh_nr_in_flight(struct ata_port *ap)
 {
+       struct ata_queued_cmd *qc;
        unsigned int tag;
        int nr = 0;
 
        /* count only non-internal commands */
-       for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-               if (ata_tag_internal(tag))
-                       continue;
-               if (ata_qc_from_tag(ap, tag))
+       ata_qc_for_each(ap, qc, tag) {
+               if (qc)
                        nr++;
        }
 
@@ -847,13 +845,13 @@ void ata_eh_fastdrain_timerfn(struct timer_list *t)
                goto out_unlock;
 
        if (cnt == ap->fastdrain_cnt) {
+               struct ata_queued_cmd *qc;
                unsigned int tag;
 
                /* No progress during the last interval, tag all
                 * in-flight qcs as timed out and freeze the port.
                 */
-               for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-                       struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag);
+               ata_qc_for_each(ap, qc, tag) {
                        if (qc)
                                qc->err_mask |= AC_ERR_TIMEOUT;
                }
@@ -999,6 +997,7 @@ void ata_port_schedule_eh(struct ata_port *ap)
 
 static int ata_do_link_abort(struct ata_port *ap, struct ata_link *link)
 {
+       struct ata_queued_cmd *qc;
        int tag, nr_aborted = 0;
 
        WARN_ON(!ap->ops->error_handler);
@@ -1007,9 +1006,7 @@ static int ata_do_link_abort(struct ata_port *ap, struct ata_link *link)
        ata_eh_set_pending(ap, 0);
 
        /* include internal tag in iteration */
-       for (tag = 0; tag <= ATA_MAX_QUEUE; tag++) {
-               struct ata_queued_cmd *qc = ata_qc_from_tag(ap, tag);
-
+       ata_qc_for_each_with_internal(ap, qc, tag) {
                if (qc && (!link || qc->dev->link == link)) {
                        qc->flags |= ATA_QCFLAG_FAILED;
                        ata_qc_complete(qc);
@@ -1712,9 +1709,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
                return;
 
        /* has LLDD analyzed already? */
-       for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-               qc = __ata_qc_from_tag(ap, tag);
-
+       ata_qc_for_each_raw(ap, qc, tag) {
                if (!(qc->flags & ATA_QCFLAG_FAILED))
                        continue;
 
@@ -2136,6 +2131,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
 {
        struct ata_port *ap = link->ap;
        struct ata_eh_context *ehc = &link->eh_context;
+       struct ata_queued_cmd *qc;
        struct ata_device *dev;
        unsigned int all_err_mask = 0, eflags = 0;
        int tag, nr_failed = 0, nr_quiet = 0;
@@ -2168,9 +2164,7 @@ static void ata_eh_link_autopsy(struct ata_link *link)
 
        all_err_mask |= ehc->i.err_mask;
 
-       for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-               struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+       ata_qc_for_each_raw(ap, qc, tag) {
                if (!(qc->flags & ATA_QCFLAG_FAILED) ||
                    ata_dev_phys_link(qc->dev) != link)
                        continue;
@@ -2436,6 +2430,7 @@ static void ata_eh_link_report(struct ata_link *link)
 {
        struct ata_port *ap = link->ap;
        struct ata_eh_context *ehc = &link->eh_context;
+       struct ata_queued_cmd *qc;
        const char *frozen, *desc;
        char tries_buf[6] = "";
        int tag, nr_failed = 0;
@@ -2447,9 +2442,7 @@ static void ata_eh_link_report(struct ata_link *link)
        if (ehc->i.desc[0] != '\0')
                desc = ehc->i.desc;
 
-       for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-               struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+       ata_qc_for_each_raw(ap, qc, tag) {
                if (!(qc->flags & ATA_QCFLAG_FAILED) ||
                    ata_dev_phys_link(qc->dev) != link ||
                    ((qc->flags & ATA_QCFLAG_QUIET) &&
@@ -2511,8 +2504,7 @@ static void ata_eh_link_report(struct ata_link *link)
                  ehc->i.serror & SERR_DEV_XCHG ? "DevExch " : "");
 #endif
 
-       for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-               struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
+       ata_qc_for_each_raw(ap, qc, tag) {
                struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf;
                char data_buf[20] = "";
                char cdb_buf[70] = "";
@@ -3992,12 +3984,11 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
  */
 void ata_eh_finish(struct ata_port *ap)
 {
+       struct ata_queued_cmd *qc;
        int tag;
 
        /* retry or finish qcs */
-       for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-               struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
-
+       ata_qc_for_each_raw(ap, qc, tag) {
                if (!(qc->flags & ATA_QCFLAG_FAILED))
                        continue;
 
index 6a91d04351d9b64d20251febd070ad28bfb3eb38..aad1b01447de6924df4b1c1713d5fc402df112a0 100644 (file)
@@ -3805,10 +3805,20 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
                 */
                goto invalid_param_len;
        }
-       if (block > dev->n_sectors)
-               goto out_of_range;
 
        all = cdb[14] & 0x1;
+       if (all) {
+               /*
+                * Ignore the block address (zone ID) as defined by ZBC.
+                */
+               block = 0;
+       } else if (block >= dev->n_sectors) {
+               /*
+                * Block must be a valid zone ID (a zone start LBA).
+                */
+               fp = 2;
+               goto invalid_fld;
+       }
 
        if (ata_ncq_enabled(qc->dev) &&
            ata_fpdma_zac_mgmt_out_supported(qc->dev)) {
@@ -3837,10 +3847,6 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
  invalid_fld:
        ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff);
        return 1;
- out_of_range:
-       /* "Logical Block Address out of range" */
-       ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x00);
-       return 1;
 invalid_param_len:
        /* "Parameter list length error" */
        ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0);
index b8d9cfc60374e08dbed9b2f646d51aa4fec0e025..4dc528bf8e85e3088fa55859d056613e8db73281 100644 (file)
@@ -395,12 +395,6 @@ static inline unsigned int sata_fsl_tag(unsigned int tag,
 {
        /* We let libATA core do actual (queue) tag allocation */
 
-       /* all non NCQ/queued commands should have tag#0 */
-       if (ata_tag_internal(tag)) {
-               DPRINTK("mapping internal cmds to tag#0\n");
-               return 0;
-       }
-
        if (unlikely(tag >= SATA_FSL_QUEUE_DEPTH)) {
                DPRINTK("tag %d invalid : out of range\n", tag);
                return 0;
@@ -1229,8 +1223,7 @@ static void sata_fsl_host_intr(struct ata_port *ap)
 
        /* Workaround for data length mismatch errata */
        if (unlikely(hstatus & INT_ON_DATA_LENGTH_MISMATCH)) {
-               for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
-                       qc = ata_qc_from_tag(ap, tag);
+               ata_qc_for_each_with_internal(ap, qc, tag) {
                        if (qc && ata_is_atapi(qc->tf.protocol)) {
                                u32 hcontrol;
                                /* Set HControl[27] to clear error registers */
index 10ae11aa1926f3dca460e81879d3b24d8bc58a8b..72c9b922a77bc7793bb20ccd6432f249bcce45e1 100644 (file)
@@ -675,7 +675,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
        struct ata_port *ap = ata_shost_to_port(sdev->host);
        struct nv_adma_port_priv *pp = ap->private_data;
        struct nv_adma_port_priv *port0, *port1;
-       struct scsi_device *sdev0, *sdev1;
        struct pci_dev *pdev = to_pci_dev(ap->host->dev);
        unsigned long segment_boundary, flags;
        unsigned short sg_tablesize;
@@ -736,8 +735,6 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
 
        port0 = ap->host->ports[0]->private_data;
        port1 = ap->host->ports[1]->private_data;
-       sdev0 = ap->host->ports[0]->link.device[0].sdev;
-       sdev1 = ap->host->ports[1]->link.device[0].sdev;
        if ((port0->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) ||
            (port1->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) {
                /*
index ff81a576347e5154c10c997717548be69e81bbab..82532c299bb5964a429e81353b9c5f94d9bb5ed2 100644 (file)
@@ -1618,7 +1618,7 @@ static int rx_init(struct atm_dev *dev)
        skb_queue_head_init(&iadev->rx_dma_q);  
        iadev->rx_free_desc_qhead = NULL;   
 
-       iadev->rx_open = kcalloc(4, iadev->num_vc, GFP_KERNEL);
+       iadev->rx_open = kcalloc(iadev->num_vc, sizeof(void *), GFP_KERNEL);
        if (!iadev->rx_open) {
                printk(KERN_ERR DEV_LABEL "itf %d couldn't get free page\n",
                dev->number);  
index a8d2eb0ceb8d8f78788182f81f8e1e9f9dc8fbbb..2c288d1f42bba0fcdf31ccec72c069bfa60688b9 100644 (file)
@@ -1483,6 +1483,8 @@ static int zatm_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
                                        return -EFAULT;
                                if (pool < 0 || pool > ZATM_LAST_POOL)
                                        return -EINVAL;
+                               pool = array_index_nospec(pool,
+                                                         ZATM_LAST_POOL + 1);
                                if (copy_from_user(&info,
                                    &((struct zatm_pool_req __user *) arg)->info,
                                    sizeof(info))) return -EFAULT;
index 4925af5c4cf039e6cc07918967aa6995353e4bd8..9e8484189034b83efb218fb3eb4604a0b2cd8f6d 100644 (file)
@@ -2235,7 +2235,7 @@ static void genpd_dev_pm_sync(struct device *dev)
 }
 
 static int __genpd_dev_pm_attach(struct device *dev, struct device_node *np,
-                                unsigned int index)
+                                unsigned int index, bool power_on)
 {
        struct of_phandle_args pd_args;
        struct generic_pm_domain *pd;
@@ -2271,9 +2271,11 @@ static int __genpd_dev_pm_attach(struct device *dev, struct device_node *np,
        dev->pm_domain->detach = genpd_dev_pm_detach;
        dev->pm_domain->sync = genpd_dev_pm_sync;
 
-       genpd_lock(pd);
-       ret = genpd_power_on(pd, 0);
-       genpd_unlock(pd);
+       if (power_on) {
+               genpd_lock(pd);
+               ret = genpd_power_on(pd, 0);
+               genpd_unlock(pd);
+       }
 
        if (ret)
                genpd_remove_device(pd, dev);
@@ -2307,7 +2309,7 @@ int genpd_dev_pm_attach(struct device *dev)
                                       "#power-domain-cells") != 1)
                return 0;
 
-       return __genpd_dev_pm_attach(dev, dev->of_node, 0);
+       return __genpd_dev_pm_attach(dev, dev->of_node, 0, true);
 }
 EXPORT_SYMBOL_GPL(genpd_dev_pm_attach);
 
@@ -2359,14 +2361,14 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev,
        }
 
        /* Try to attach the device to the PM domain at the specified index. */
-       ret = __genpd_dev_pm_attach(genpd_dev, dev->of_node, index);
+       ret = __genpd_dev_pm_attach(genpd_dev, dev->of_node, index, false);
        if (ret < 1) {
                device_unregister(genpd_dev);
                return ret ? ERR_PTR(ret) : NULL;
        }
 
-       pm_runtime_set_active(genpd_dev);
        pm_runtime_enable(genpd_dev);
+       genpd_queue_power_off_work(dev_to_genpd(genpd_dev));
 
        return genpd_dev;
 }
@@ -2487,10 +2489,9 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states);
  * power domain corresponding to a DT node's "required-opps" property.
  *
  * @dev: Device for which the performance-state needs to be found.
- * @opp_node: DT node where the "required-opps" property is present. This can be
+ * @np: DT node where the "required-opps" property is present. This can be
  *     the device node itself (if it doesn't have an OPP table) or a node
  *     within the OPP table of a device (if device has an OPP table).
- * @state: Pointer to return performance state.
  *
  * Returns performance state corresponding to the "required-opps" property of
  * a DT node. This calls platform specific genpd->opp_to_performance_state()
@@ -2499,7 +2500,7 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states);
  * Returns performance state on success and 0 on failure.
  */
 unsigned int of_genpd_opp_to_performance_state(struct device *dev,
-                                              struct device_node *opp_node)
+                                              struct device_node *np)
 {
        struct generic_pm_domain *genpd;
        struct dev_pm_opp *opp;
@@ -2514,7 +2515,7 @@ unsigned int of_genpd_opp_to_performance_state(struct device *dev,
 
        genpd_lock(genpd);
 
-       opp = of_dev_pm_opp_find_required_opp(&genpd->dev, opp_node);
+       opp = of_dev_pm_opp_find_required_opp(&genpd->dev, np);
        if (IS_ERR(opp)) {
                dev_err(dev, "Failed to find required OPP: %ld\n",
                        PTR_ERR(opp));
index a47e4987ee467ed04578b47499c29def872525f6..d146fedc38bb26535e3960963058a9635e5d7f7b 100644 (file)
@@ -1244,8 +1244,8 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long
        _drbd_start_io_acct(device, req);
 
        /* process discards always from our submitter thread */
-       if ((bio_op(bio) & REQ_OP_WRITE_ZEROES) ||
-           (bio_op(bio) & REQ_OP_DISCARD))
+       if (bio_op(bio) == REQ_OP_WRITE_ZEROES ||
+           bio_op(bio) == REQ_OP_DISCARD)
                goto queue_for_submitter_thread;
 
        if (rw == WRITE && req->private_bio && req->i.size
index 1476cb3439f46e53a8f42a9397fb6b19afd8ff95..5e793dd7adfbd096239f4d0994d2f20e24b2b596 100644 (file)
@@ -282,8 +282,8 @@ void drbd_request_endio(struct bio *bio)
                what = COMPLETED_OK;
        }
 
-       bio_put(req->private_bio);
        req->private_bio = ERR_PTR(blk_status_to_errno(bio->bi_status));
+       bio_put(bio);
 
        /* not req_mod(), we need irqsave here! */
        spin_lock_irqsave(&device->resource->req_lock, flags);
index d6b6f434fd4bb7652faf597ef9ab6c7b6dd7c362..4cb1d1be3cfbc9c14a6129ecdc2de5368ac668c4 100644 (file)
@@ -1613,6 +1613,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
                arg = (unsigned long) compat_ptr(arg);
        case LOOP_SET_FD:
        case LOOP_CHANGE_FD:
+       case LOOP_SET_BLOCK_SIZE:
                err = lo_ioctl(bdev, mode, cmd, arg);
                break;
        default:
index 1cc29629d23807b83bfee9f7d23fec1d5757941d..80d60f43db56123076fed5ea2047da35af88af8f 100644 (file)
@@ -169,9 +169,9 @@ static int sysc_get_clocks(struct sysc *ddata)
        const char *name;
        int nr_fck = 0, nr_ick = 0, i, error = 0;
 
-       ddata->clock_roles = devm_kzalloc(ddata->dev,
-                                         sizeof(*ddata->clock_roles) *
+       ddata->clock_roles = devm_kcalloc(ddata->dev,
                                          SYSC_MAX_CLOCKS,
+                                         sizeof(*ddata->clock_roles),
                                          GFP_KERNEL);
        if (!ddata->clock_roles)
                return -ENOMEM;
@@ -200,8 +200,8 @@ static int sysc_get_clocks(struct sysc *ddata)
                return -EINVAL;
        }
 
-       ddata->clocks = devm_kzalloc(ddata->dev,
-                                    sizeof(*ddata->clocks) * ddata->nr_clocks,
+       ddata->clocks = devm_kcalloc(ddata->dev,
+                                    ddata->nr_clocks, sizeof(*ddata->clocks),
                                     GFP_KERNEL);
        if (!ddata->clocks)
                return -ENOMEM;
index ad353be871bf005c6c0ca875d663bed49906c302..90ec010bffbd9776c012586b4e01b24cdd0bd2d6 100644 (file)
@@ -2088,8 +2088,10 @@ static int try_smi_init(struct smi_info *new_smi)
        return 0;
 
 out_err:
-       ipmi_unregister_smi(new_smi->intf);
-       new_smi->intf = NULL;
+       if (new_smi->intf) {
+               ipmi_unregister_smi(new_smi->intf);
+               new_smi->intf = NULL;
+       }
 
        kfree(init_name);
 
index fbfc05e3f3d1756a58455dbdbf73c90162898f4c..bb882ab161fe1bbb4b678cc9bf105b77273296e3 100644 (file)
@@ -210,34 +210,23 @@ static void kcs_bmc_handle_cmd(struct kcs_bmc *kcs_bmc)
 int kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc)
 {
        unsigned long flags;
-       int ret = 0;
+       int ret = -ENODATA;
        u8 status;
 
        spin_lock_irqsave(&kcs_bmc->lock, flags);
 
-       if (!kcs_bmc->running) {
-               kcs_force_abort(kcs_bmc);
-               ret = -ENODEV;
-               goto out_unlock;
-       }
-
-       status = read_status(kcs_bmc) & (KCS_STATUS_IBF | KCS_STATUS_CMD_DAT);
-
-       switch (status) {
-       case KCS_STATUS_IBF | KCS_STATUS_CMD_DAT:
-               kcs_bmc_handle_cmd(kcs_bmc);
-               break;
-
-       case KCS_STATUS_IBF:
-               kcs_bmc_handle_data(kcs_bmc);
-               break;
+       status = read_status(kcs_bmc);
+       if (status & KCS_STATUS_IBF) {
+               if (!kcs_bmc->running)
+                       kcs_force_abort(kcs_bmc);
+               else if (status & KCS_STATUS_CMD_DAT)
+                       kcs_bmc_handle_cmd(kcs_bmc);
+               else
+                       kcs_bmc_handle_data(kcs_bmc);
 
-       default:
-               ret = -ENODATA;
-               break;
+               ret = 0;
        }
 
-out_unlock:
        spin_unlock_irqrestore(&kcs_bmc->lock, flags);
 
        return ret;
index a8fb0020ba5ccfb9f4b72b689544299815fab60a..cd888d4ee605e0b9cf5f4970d34989d4b72f3b72 100644 (file)
@@ -402,7 +402,8 @@ static struct poolinfo {
 /*
  * Static global variables
  */
-static DECLARE_WAIT_QUEUE_HEAD(random_wait);
+static DECLARE_WAIT_QUEUE_HEAD(random_read_wait);
+static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
 static struct fasync_struct *fasync;
 
 static DEFINE_SPINLOCK(random_ready_list_lock);
@@ -721,8 +722,8 @@ retry:
 
                /* should we wake readers? */
                if (entropy_bits >= random_read_wakeup_bits &&
-                   wq_has_sleeper(&random_wait)) {
-                       wake_up_interruptible_poll(&random_wait, POLLIN);
+                   wq_has_sleeper(&random_read_wait)) {
+                       wake_up_interruptible(&random_read_wait);
                        kill_fasync(&fasync, SIGIO, POLL_IN);
                }
                /* If the input pool is getting full, send some
@@ -1396,7 +1397,7 @@ retry:
        trace_debit_entropy(r->name, 8 * ibytes);
        if (ibytes &&
            (r->entropy_count >> ENTROPY_SHIFT) < random_write_wakeup_bits) {
-               wake_up_interruptible_poll(&random_wait, POLLOUT);
+               wake_up_interruptible(&random_write_wait);
                kill_fasync(&fasync, SIGIO, POLL_OUT);
        }
 
@@ -1838,7 +1839,7 @@ _random_read(int nonblock, char __user *buf, size_t nbytes)
                if (nonblock)
                        return -EAGAIN;
 
-               wait_event_interruptible(random_wait,
+               wait_event_interruptible(random_read_wait,
                        ENTROPY_BITS(&input_pool) >=
                        random_read_wakeup_bits);
                if (signal_pending(current))
@@ -1875,17 +1876,14 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
        return ret;
 }
 
-static struct wait_queue_head *
-random_get_poll_head(struct file *file, __poll_t events)
-{
-       return &random_wait;
-}
-
 static __poll_t
-random_poll_mask(struct file *file, __poll_t events)
+random_poll(struct file *file, poll_table * wait)
 {
-       __poll_t mask = 0;
+       __poll_t mask;
 
+       poll_wait(file, &random_read_wait, wait);
+       poll_wait(file, &random_write_wait, wait);
+       mask = 0;
        if (ENTROPY_BITS(&input_pool) >= random_read_wakeup_bits)
                mask |= EPOLLIN | EPOLLRDNORM;
        if (ENTROPY_BITS(&input_pool) < random_write_wakeup_bits)
@@ -1992,8 +1990,7 @@ static int random_fasync(int fd, struct file *filp, int on)
 const struct file_operations random_fops = {
        .read  = random_read,
        .write = random_write,
-       .get_poll_head  = random_get_poll_head,
-       .poll_mask  = random_poll_mask,
+       .poll  = random_poll,
        .unlocked_ioctl = random_ioctl,
        .fasync = random_fasync,
        .llseek = noop_llseek,
@@ -2326,7 +2323,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
         * We'll be woken up again once below random_write_wakeup_thresh,
         * or when the calling thread is about to terminate.
         */
-       wait_event_interruptible(random_wait, kthread_should_stop() ||
+       wait_event_interruptible(random_write_wait, kthread_should_stop() ||
                        ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits);
        mix_pool_bytes(poolp, buffer, count);
        credit_entropy_bits(poolp, entropy);
index ae40cbe770f059d0ca1aded1dc7fc3530b3153df..0bb25dd009d18467c7ae6f5238e1a88c24844c7b 100644 (file)
@@ -96,7 +96,7 @@ obj-$(CONFIG_ARCH_SPRD)                       += sprd/
 obj-$(CONFIG_ARCH_STI)                 += st/
 obj-$(CONFIG_ARCH_STRATIX10)           += socfpga/
 obj-$(CONFIG_ARCH_SUNXI)               += sunxi/
-obj-$(CONFIG_ARCH_SUNXI)               += sunxi-ng/
+obj-$(CONFIG_SUNXI_CCU)                        += sunxi-ng/
 obj-$(CONFIG_ARCH_TEGRA)               += tegra/
 obj-y                                  += ti/
 obj-$(CONFIG_CLK_UNIPHIER)             += uniphier/
index aae62a5b8734e859e76a16f995b05f43bf5f9b4a..d1bbee19ed0fcf74edfb2019fc4907ba00533a66 100644 (file)
@@ -672,7 +672,7 @@ static int of_da8xx_usb_phy_clk_init(struct device *dev, struct regmap *regmap)
 
        usb1 = da8xx_cfgchip_register_usb1_clk48(dev, regmap);
        if (IS_ERR(usb1)) {
-               if (PTR_ERR(usb0) == -EPROBE_DEFER)
+               if (PTR_ERR(usb1) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;
 
                dev_warn(dev, "Failed to register usb1_clk48 (%ld)\n",
index 6a42529d31a91aa644d64c8708b45297ec361efe..cc5614567a70d61cf76aa6777caf9c2f39479c5d 100644 (file)
@@ -107,7 +107,7 @@ extern const struct davinci_psc_init_data of_da850_psc1_init_data;
 #ifdef CONFIG_ARCH_DAVINCI_DM355
 extern const struct davinci_psc_init_data dm355_psc_init_data;
 #endif
-#ifdef CONFIG_ARCH_DAVINCI_DM356
+#ifdef CONFIG_ARCH_DAVINCI_DM365
 extern const struct davinci_psc_init_data dm365_psc_init_data;
 #endif
 #ifdef CONFIG_ARCH_DAVINCI_DM644x
index acaa14cfa25ca3922178e865ddb4daefc676ee2a..49454700f2e5c2e469cbdb037c54900f8c74cf79 100644 (file)
@@ -1,24 +1,24 @@
 # SPDX-License-Identifier: GPL-2.0
 # Common objects
-lib-$(CONFIG_SUNXI_CCU)                += ccu_common.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_mmc_timing.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_reset.o
+obj-y                          += ccu_common.o
+obj-y                          += ccu_mmc_timing.o
+obj-y                          += ccu_reset.o
 
 # Base clock types
-lib-$(CONFIG_SUNXI_CCU)                += ccu_div.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_frac.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_gate.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_mux.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_mult.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_phase.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_sdm.o
+obj-y                          += ccu_div.o
+obj-y                          += ccu_frac.o
+obj-y                          += ccu_gate.o
+obj-y                          += ccu_mux.o
+obj-y                          += ccu_mult.o
+obj-y                          += ccu_phase.o
+obj-y                          += ccu_sdm.o
 
 # Multi-factor clocks
-lib-$(CONFIG_SUNXI_CCU)                += ccu_nk.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_nkm.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_nkmp.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_nm.o
-lib-$(CONFIG_SUNXI_CCU)                += ccu_mp.o
+obj-y                          += ccu_nk.o
+obj-y                          += ccu_nkm.o
+obj-y                          += ccu_nkmp.o
+obj-y                          += ccu_nm.o
+obj-y                          += ccu_mp.o
 
 # SoC support
 obj-$(CONFIG_SUN50I_A64_CCU)   += ccu-sun50i-a64.o
@@ -38,12 +38,3 @@ obj-$(CONFIG_SUN8I_R40_CCU)  += ccu-sun8i-r40.o
 obj-$(CONFIG_SUN9I_A80_CCU)    += ccu-sun9i-a80.o
 obj-$(CONFIG_SUN9I_A80_CCU)    += ccu-sun9i-a80-de.o
 obj-$(CONFIG_SUN9I_A80_CCU)    += ccu-sun9i-a80-usb.o
-
-# The lib-y file goals is supposed to work only in arch/*/lib or lib/. In our
-# case, we want to use that goal, but even though lib.a will be properly
-# generated, it will not be linked in, eventually resulting in a linker error
-# for missing symbols.
-#
-# We can work around that by explicitly adding lib.a to the obj-y goal. This is
-# an undocumented behaviour, but works well for now.
-obj-$(CONFIG_SUNXI_CCU)                += lib.a
index 01bddacf5c3b40e5dd9604d0675f75c99656bd44..29389accf3e97df7a5700b49e980c88de0974583 100644 (file)
@@ -87,8 +87,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
        int ret;
 
        cpu_dev = get_cpu_device(0);
-       if (NULL == cpu_dev)
-               ret = -ENODEV;
+       if (!cpu_dev)
+               return -ENODEV;
 
        msm8996_version = qcom_cpufreq_kryo_get_msm_id();
        if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
@@ -97,8 +97,8 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
        }
 
        np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
-       if (IS_ERR(np))
-               return PTR_ERR(np);
+       if (!np)
+               return -ENOENT;
 
        ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
        if (!ret) {
index 903d9c473749c24d636f573aba798a9680df2909..45276abf03aa2bd52aa9af56b8cbd45a4b1e5135 100644 (file)
@@ -86,6 +86,7 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
 {
        struct dax_device *dax_dev;
        bool dax_enabled = false;
+       struct request_queue *q;
        pgoff_t pgoff;
        int err, id;
        void *kaddr;
@@ -99,6 +100,13 @@ bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
                return false;
        }
 
+       q = bdev_get_queue(bdev);
+       if (!q || !blk_queue_dax(q)) {
+               pr_debug("%s: error: request queue doesn't support dax\n",
+                               bdevname(bdev, buf));
+               return false;
+       }
+
        err = bdev_dax_pgoff(bdev, 0, PAGE_SIZE, &pgoff);
        if (err) {
                pr_debug("%s: error: unaligned partition for dax\n",
index fa31cccbe04faf5fa6a8adb07abf6b48a4a6cdd2..6bfa217ed6d0de81d1ef51b37accdba9ae4cd04b 100644 (file)
@@ -794,7 +794,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
        struct k3_dma_dev *d = ofdma->of_dma_data;
        unsigned int request = dma_spec->args[0];
 
-       if (request > d->dma_requests)
+       if (request >= d->dma_requests)
                return NULL;
 
        return dma_get_slave_channel(&(d->chans[request].vc.chan));
index defcdde4d358b19cc5430de95fb5e9f16ec538ca..de0957fe966821beb79ee1b75470a8834509ef44 100644 (file)
@@ -3033,7 +3033,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
        pd->src_addr_widths = PL330_DMA_BUSWIDTHS;
        pd->dst_addr_widths = PL330_DMA_BUSWIDTHS;
        pd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-       pd->residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
+       pd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
        pd->max_burst = ((pl330->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP) ?
                         1 : PL330_MAX_BURST);
 
index 9b5ca8691f27dcf6561fbd98051b697ab2da6011..a4a931ddf6f695fa21a25a359a94ee0c57f92beb 100644 (file)
@@ -1485,7 +1485,11 @@ static int omap_dma_probe(struct platform_device *pdev)
        od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
        od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
        od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-       od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+       if (__dma_omap15xx(od->plat->dma_attr))
+               od->ddev.residue_granularity =
+                               DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
+       else
+               od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
        od->ddev.max_burst = SZ_16M - 1; /* CCEN: 24bit unsigned */
        od->ddev.dev = &pdev->dev;
        INIT_LIST_HEAD(&od->ddev.channels);
index dd4edd8f22ceebb67c4f6e1ab486c4ac9e9a1106..7fa793672a7a969239329ef1fccc5a2391c764c8 100644 (file)
@@ -455,8 +455,10 @@ static int altera_cvp_probe(struct pci_dev *pdev,
 
        mgr = fpga_mgr_create(&pdev->dev, conf->mgr_name,
                              &altera_cvp_ops, conf);
-       if (!mgr)
-               return -ENOMEM;
+       if (!mgr) {
+               ret = -ENOMEM;
+               goto err_unmap;
+       }
 
        pci_set_drvdata(pdev, mgr);
 
index a59c07590ceec2f314768066cbed28126ed68a6d..7dcbac8af9a7a8fb9c1cf46890d661be1ec34592 100644 (file)
@@ -190,6 +190,7 @@ struct amdgpu_job;
 struct amdgpu_irq_src;
 struct amdgpu_fpriv;
 struct amdgpu_bo_va_mapping;
+struct amdgpu_atif;
 
 enum amdgpu_cp_irq {
        AMDGPU_CP_IRQ_GFX_EOP = 0,
@@ -1269,43 +1270,6 @@ struct amdgpu_vram_scratch {
 /*
  * ACPI
  */
-struct amdgpu_atif_notification_cfg {
-       bool enabled;
-       int command_code;
-};
-
-struct amdgpu_atif_notifications {
-       bool display_switch;
-       bool expansion_mode_change;
-       bool thermal_state;
-       bool forced_power_state;
-       bool system_power_state;
-       bool display_conf_change;
-       bool px_gfx_switch;
-       bool brightness_change;
-       bool dgpu_display_event;
-};
-
-struct amdgpu_atif_functions {
-       bool system_params;
-       bool sbios_requests;
-       bool select_active_disp;
-       bool lid_state;
-       bool get_tv_standard;
-       bool set_tv_standard;
-       bool get_panel_expansion_mode;
-       bool set_panel_expansion_mode;
-       bool temperature_change;
-       bool graphics_device_types;
-};
-
-struct amdgpu_atif {
-       struct amdgpu_atif_notifications notifications;
-       struct amdgpu_atif_functions functions;
-       struct amdgpu_atif_notification_cfg notification_cfg;
-       struct amdgpu_encoder *encoder_for_bl;
-};
-
 struct amdgpu_atcs_functions {
        bool get_ext_state;
        bool pcie_perf_req;
@@ -1466,7 +1430,7 @@ struct amdgpu_device {
 #if defined(CONFIG_DEBUG_FS)
        struct dentry                   *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
 #endif
-       struct amdgpu_atif              atif;
+       struct amdgpu_atif              *atif;
        struct amdgpu_atcs              atcs;
        struct mutex                    srbm_mutex;
        /* GRBM index mutex. Protects concurrent access to GRBM index */
@@ -1894,6 +1858,12 @@ static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false;
 static inline bool amdgpu_has_atpx(void) { return false; }
 #endif
 
+#if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
+void *amdgpu_atpx_get_dhandle(void);
+#else
+static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
+#endif
+
 /*
  * KMS
  */
index 8fa850a070e0fe8ea7a67823008ff7e543d8d1dc..0d8c3fc6eacefcfd71788e4442cc541a031a5416 100644 (file)
 #include "amd_acpi.h"
 #include "atom.h"
 
+struct amdgpu_atif_notification_cfg {
+       bool enabled;
+       int command_code;
+};
+
+struct amdgpu_atif_notifications {
+       bool display_switch;
+       bool expansion_mode_change;
+       bool thermal_state;
+       bool forced_power_state;
+       bool system_power_state;
+       bool display_conf_change;
+       bool px_gfx_switch;
+       bool brightness_change;
+       bool dgpu_display_event;
+};
+
+struct amdgpu_atif_functions {
+       bool system_params;
+       bool sbios_requests;
+       bool select_active_disp;
+       bool lid_state;
+       bool get_tv_standard;
+       bool set_tv_standard;
+       bool get_panel_expansion_mode;
+       bool set_panel_expansion_mode;
+       bool temperature_change;
+       bool graphics_device_types;
+};
+
+struct amdgpu_atif {
+       acpi_handle handle;
+
+       struct amdgpu_atif_notifications notifications;
+       struct amdgpu_atif_functions functions;
+       struct amdgpu_atif_notification_cfg notification_cfg;
+       struct amdgpu_encoder *encoder_for_bl;
+};
+
 /* Call the ATIF method
  */
 /**
@@ -46,8 +85,9 @@
  * Executes the requested ATIF function (all asics).
  * Returns a pointer to the acpi output buffer.
  */
-static union acpi_object *amdgpu_atif_call(acpi_handle handle, int function,
-               struct acpi_buffer *params)
+static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif,
+                                          int function,
+                                          struct acpi_buffer *params)
 {
        acpi_status status;
        union acpi_object atif_arg_elements[2];
@@ -70,7 +110,8 @@ static union acpi_object *amdgpu_atif_call(acpi_handle handle, int function,
                atif_arg_elements[1].integer.value = 0;
        }
 
-       status = acpi_evaluate_object(handle, "ATIF", &atif_arg, &buffer);
+       status = acpi_evaluate_object(atif->handle, NULL, &atif_arg,
+                                     &buffer);
 
        /* Fail only if calling the method fails and ATIF is supported */
        if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
@@ -141,15 +182,14 @@ static void amdgpu_atif_parse_functions(struct amdgpu_atif_functions *f, u32 mas
  * (all asics).
  * returns 0 on success, error on failure.
  */
-static int amdgpu_atif_verify_interface(acpi_handle handle,
-               struct amdgpu_atif *atif)
+static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)
 {
        union acpi_object *info;
        struct atif_verify_interface output;
        size_t size;
        int err = 0;
 
-       info = amdgpu_atif_call(handle, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);
+       info = amdgpu_atif_call(atif, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);
        if (!info)
                return -EIO;
 
@@ -176,6 +216,35 @@ out:
        return err;
 }
 
+static acpi_handle amdgpu_atif_probe_handle(acpi_handle dhandle)
+{
+       acpi_handle handle = NULL;
+       char acpi_method_name[255] = { 0 };
+       struct acpi_buffer buffer = { sizeof(acpi_method_name), acpi_method_name };
+       acpi_status status;
+
+       /* For PX/HG systems, ATIF and ATPX are in the iGPU's namespace, on dGPU only
+        * systems, ATIF is in the dGPU's namespace.
+        */
+       status = acpi_get_handle(dhandle, "ATIF", &handle);
+       if (ACPI_SUCCESS(status))
+               goto out;
+
+       if (amdgpu_has_atpx()) {
+               status = acpi_get_handle(amdgpu_atpx_get_dhandle(), "ATIF",
+                                        &handle);
+               if (ACPI_SUCCESS(status))
+                       goto out;
+       }
+
+       DRM_DEBUG_DRIVER("No ATIF handle found\n");
+       return NULL;
+out:
+       acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
+       DRM_DEBUG_DRIVER("Found ATIF handle %s\n", acpi_method_name);
+       return handle;
+}
+
 /**
  * amdgpu_atif_get_notification_params - determine notify configuration
  *
@@ -188,15 +257,16 @@ out:
  * where n is specified in the result if a notifier is used.
  * Returns 0 on success, error on failure.
  */
-static int amdgpu_atif_get_notification_params(acpi_handle handle,
-               struct amdgpu_atif_notification_cfg *n)
+static int amdgpu_atif_get_notification_params(struct amdgpu_atif *atif)
 {
        union acpi_object *info;
+       struct amdgpu_atif_notification_cfg *n = &atif->notification_cfg;
        struct atif_system_params params;
        size_t size;
        int err = 0;
 
-       info = amdgpu_atif_call(handle, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS, NULL);
+       info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_PARAMETERS,
+                               NULL);
        if (!info) {
                err = -EIO;
                goto out;
@@ -250,14 +320,15 @@ out:
  * (all asics).
  * Returns 0 on success, error on failure.
  */
-static int amdgpu_atif_get_sbios_requests(acpi_handle handle,
-               struct atif_sbios_requests *req)
+static int amdgpu_atif_get_sbios_requests(struct amdgpu_atif *atif,
+                                         struct atif_sbios_requests *req)
 {
        union acpi_object *info;
        size_t size;
        int count = 0;
 
-       info = amdgpu_atif_call(handle, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS, NULL);
+       info = amdgpu_atif_call(atif, ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS,
+                               NULL);
        if (!info)
                return -EIO;
 
@@ -290,11 +361,10 @@ out:
  * Returns NOTIFY code
  */
 static int amdgpu_atif_handler(struct amdgpu_device *adev,
-                       struct acpi_bus_event *event)
+                              struct acpi_bus_event *event)
 {
-       struct amdgpu_atif *atif = &adev->atif;
+       struct amdgpu_atif *atif = adev->atif;
        struct atif_sbios_requests req;
-       acpi_handle handle;
        int count;
 
        DRM_DEBUG_DRIVER("event, device_class = %s, type = %#x\n",
@@ -303,14 +373,14 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
        if (strcmp(event->device_class, ACPI_VIDEO_CLASS) != 0)
                return NOTIFY_DONE;
 
-       if (!atif->notification_cfg.enabled ||
+       if (!atif ||
+           !atif->notification_cfg.enabled ||
            event->type != atif->notification_cfg.command_code)
                /* Not our event */
                return NOTIFY_DONE;
 
        /* Check pending SBIOS requests */
-       handle = ACPI_HANDLE(&adev->pdev->dev);
-       count = amdgpu_atif_get_sbios_requests(handle, &req);
+       count = amdgpu_atif_get_sbios_requests(atif, &req);
 
        if (count <= 0)
                return NOTIFY_DONE;
@@ -641,8 +711,8 @@ static int amdgpu_acpi_event(struct notifier_block *nb,
  */
 int amdgpu_acpi_init(struct amdgpu_device *adev)
 {
-       acpi_handle handle;
-       struct amdgpu_atif *atif = &adev->atif;
+       acpi_handle handle, atif_handle;
+       struct amdgpu_atif *atif;
        struct amdgpu_atcs *atcs = &adev->atcs;
        int ret;
 
@@ -658,12 +728,26 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
                DRM_DEBUG_DRIVER("Call to ATCS verify_interface failed: %d\n", ret);
        }
 
+       /* Probe for ATIF, and initialize it if found */
+       atif_handle = amdgpu_atif_probe_handle(handle);
+       if (!atif_handle)
+               goto out;
+
+       atif = kzalloc(sizeof(*atif), GFP_KERNEL);
+       if (!atif) {
+               DRM_WARN("Not enough memory to initialize ATIF\n");
+               goto out;
+       }
+       atif->handle = atif_handle;
+
        /* Call the ATIF method */
-       ret = amdgpu_atif_verify_interface(handle, atif);
+       ret = amdgpu_atif_verify_interface(atif);
        if (ret) {
                DRM_DEBUG_DRIVER("Call to ATIF verify_interface failed: %d\n", ret);
+               kfree(atif);
                goto out;
        }
+       adev->atif = atif;
 
        if (atif->notifications.brightness_change) {
                struct drm_encoder *tmp;
@@ -693,8 +777,7 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
        }
 
        if (atif->functions.system_params) {
-               ret = amdgpu_atif_get_notification_params(handle,
-                               &atif->notification_cfg);
+               ret = amdgpu_atif_get_notification_params(atif);
                if (ret) {
                        DRM_DEBUG_DRIVER("Call to GET_SYSTEM_PARAMS failed: %d\n",
                                        ret);
@@ -720,4 +803,6 @@ out:
 void amdgpu_acpi_fini(struct amdgpu_device *adev)
 {
        unregister_acpi_notifier(&adev->acpi_nb);
+       if (adev->atif)
+               kfree(adev->atif);
 }
index daa06e7c5bb73e2d4073fad2177bf50eee0be006..9ab89371d9e8dd5da264b6dc5f7df3d669a49358 100644 (file)
@@ -90,6 +90,12 @@ bool amdgpu_atpx_dgpu_req_power_for_displays(void) {
        return amdgpu_atpx_priv.atpx.dgpu_req_power_for_displays;
 }
 
+#if defined(CONFIG_ACPI)
+void *amdgpu_atpx_get_dhandle(void) {
+       return amdgpu_atpx_priv.dhandle;
+}
+#endif
+
 /**
  * amdgpu_atpx_call - call an ATPX method
  *
index 39ec6b8890a1bf200053900b7998e5f33d703a32..e74d620d9699f8a54c273b8b233c81f3efa40f9c 100644 (file)
@@ -376,7 +376,7 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
        struct amdgpu_device *adev = ring->adev;
        uint64_t index;
 
-       if (ring != &adev->uvd.inst[ring->me].ring) {
+       if (ring->funcs->type != AMDGPU_RING_TYPE_UVD) {
                ring->fence_drv.cpu_addr = &adev->wb.wb[ring->fence_offs];
                ring->fence_drv.gpu_addr = adev->wb.gpu_addr + (ring->fence_offs * 4);
        } else {
index f70eeed9ed76fa893dabe2218c4c85c4b4aec104..7aaa263ad8c7e0873d46f46cfc81b37b544a9d40 100644 (file)
@@ -231,6 +231,12 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
        if (ib->flags & AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE)
                fence_flags |= AMDGPU_FENCE_FLAG_TC_WB_ONLY;
 
+       /* wrap the last IB with fence */
+       if (job && job->uf_addr) {
+               amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,
+                                      fence_flags | AMDGPU_FENCE_FLAG_64BIT);
+       }
+
        r = amdgpu_fence_emit(ring, f, fence_flags);
        if (r) {
                dev_err(adev->dev, "failed to emit fence (%d)\n", r);
@@ -243,12 +249,6 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
        if (ring->funcs->insert_end)
                ring->funcs->insert_end(ring);
 
-       /* wrap the last IB with fence */
-       if (job && job->uf_addr) {
-               amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,
-                                      fence_flags | AMDGPU_FENCE_FLAG_64BIT);
-       }
-
        if (patch_offset != ~0 && ring->funcs->patch_cond_exec)
                amdgpu_ring_patch_cond_exec(ring, patch_offset);
 
index b455da4877829e57b76178ed2300959c4dade7f4..fc818b4d849cd70a05948b457a115e09ddfe42d0 100644 (file)
@@ -1882,7 +1882,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
                if (!amdgpu_device_has_dc_support(adev)) {
                        mutex_lock(&adev->pm.mutex);
                        amdgpu_dpm_get_active_displays(adev);
-                       adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtcs;
+                       adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count;
                        adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev);
                        adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev);
                        /* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */
index 127e87b470ff4da368c8c1feb0576f0b6cb0c62c..1b4ad9b2a7550189d45f4ac86b7e73bc7cc5966b 100644 (file)
@@ -52,7 +52,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
        unsigned long bo_size;
        const char *fw_name;
        const struct common_firmware_header *hdr;
-       unsigned version_major, version_minor, family_id;
+       unsigned char fw_check;
        int r;
 
        INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
@@ -83,12 +83,33 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 
        hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
        adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
-       family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
-       version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
-       version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
-       DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
-               version_major, version_minor, family_id);
 
+       /* Bit 20-23, it is encode major and non-zero for new naming convention.
+        * This field is part of version minor and DRM_DISABLED_FLAG in old naming
+        * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
+        * is zero in old naming convention, this field is always zero so far.
+        * These four bits are used to tell which naming convention is present.
+        */
+       fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
+       if (fw_check) {
+               unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
+
+               fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
+               enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
+               enc_major = fw_check;
+               dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
+               vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
+               DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
+                       enc_major, enc_minor, dec_ver, vep, fw_rev);
+       } else {
+               unsigned int version_major, version_minor, family_id;
+
+               family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
+               version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
+               version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
+               DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
+                       version_major, version_minor, family_id);
+       }
 
        bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
                  +  AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
index b0eb2f537392d192d84d3884bd685f7084e9e220..edf16b2b957a4a4df2624d331f7d758500d888c6 100644 (file)
@@ -1463,7 +1463,9 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
                        uint64_t count;
 
                        max_entries = min(max_entries, 16ull * 1024ull);
-                       for (count = 1; count < max_entries; ++count) {
+                       for (count = 1;
+                            count < max_entries / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+                            ++count) {
                                uint64_t idx = pfn + count;
 
                                if (pages_addr[idx] !=
@@ -1476,7 +1478,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
                                dma_addr = pages_addr;
                        } else {
                                addr = pages_addr[pfn];
-                               max_entries = count;
+                               max_entries = count * (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
                        }
 
                } else if (flags & AMDGPU_PTE_VALID) {
@@ -1491,7 +1493,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
                if (r)
                        return r;
 
-               pfn += last - start + 1;
+               pfn += (last - start + 1) / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
                if (nodes && nodes->size == pfn) {
                        pfn = 0;
                        ++nodes;
index 0999c843f623ca37c0504a2a4c3151374c7fb854..a71b97519cc05ac9fc7f4e1884c3f4d61fa65a69 100644 (file)
@@ -900,7 +900,7 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = {
        .emit_frame_size =
                4 + /* vce_v3_0_emit_pipeline_sync */
                6, /* amdgpu_vce_ring_emit_fence x1 no user fence */
-       .emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */
+       .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
        .emit_ib = amdgpu_vce_ring_emit_ib,
        .emit_fence = amdgpu_vce_ring_emit_fence,
        .test_ring = amdgpu_vce_ring_test_ring,
@@ -924,7 +924,7 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = {
                6 + /* vce_v3_0_emit_vm_flush */
                4 + /* vce_v3_0_emit_pipeline_sync */
                6 + 6, /* amdgpu_vce_ring_emit_fence x2 vm fence */
-       .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */
+       .emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */
        .emit_ib = vce_v3_0_ring_emit_ib,
        .emit_vm_flush = vce_v3_0_emit_vm_flush,
        .emit_pipeline_sync = vce_v3_0_emit_pipeline_sync,
index f9add85157e7355432aab9d0d14728f8906774f9..770c6b24be0b6b15d607e5008b864f5b4ca2bf6c 100644 (file)
@@ -2175,6 +2175,46 @@ get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing)
        return color_space;
 }
 
+static void reduce_mode_colour_depth(struct dc_crtc_timing *timing_out)
+{
+       if (timing_out->display_color_depth <= COLOR_DEPTH_888)
+               return;
+
+       timing_out->display_color_depth--;
+}
+
+static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_out,
+                                               const struct drm_display_info *info)
+{
+       int normalized_clk;
+       if (timing_out->display_color_depth <= COLOR_DEPTH_888)
+               return;
+       do {
+               normalized_clk = timing_out->pix_clk_khz;
+               /* YCbCr 4:2:0 requires additional adjustment of 1/2 */
+               if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420)
+                       normalized_clk /= 2;
+               /* Adjusting pix clock following on HDMI spec based on colour depth */
+               switch (timing_out->display_color_depth) {
+               case COLOR_DEPTH_101010:
+                       normalized_clk = (normalized_clk * 30) / 24;
+                       break;
+               case COLOR_DEPTH_121212:
+                       normalized_clk = (normalized_clk * 36) / 24;
+                       break;
+               case COLOR_DEPTH_161616:
+                       normalized_clk = (normalized_clk * 48) / 24;
+                       break;
+               default:
+                       return;
+               }
+               if (normalized_clk <= info->max_tmds_clock)
+                       return;
+               reduce_mode_colour_depth(timing_out);
+
+       } while (timing_out->display_color_depth > COLOR_DEPTH_888);
+
+}
 /*****************************************************************************/
 
 static void
@@ -2183,6 +2223,7 @@ fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
                                             const struct drm_connector *connector)
 {
        struct dc_crtc_timing *timing_out = &stream->timing;
+       const struct drm_display_info *info = &connector->display_info;
 
        memset(timing_out, 0, sizeof(struct dc_crtc_timing));
 
@@ -2191,8 +2232,10 @@ fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
        timing_out->v_border_top = 0;
        timing_out->v_border_bottom = 0;
        /* TODO: un-hardcode */
-
-       if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444)
+       if (drm_mode_is_420_only(info, mode_in)
+                       && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
+               timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
+       else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444)
                        && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
                timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444;
        else
@@ -2228,6 +2271,8 @@ fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
 
        stream->out_transfer_func->type = TF_TYPE_PREDEFINED;
        stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
+       if (stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
+               adjust_colour_depth_from_display_info(timing_out, info);
 }
 
 static void fill_audio_info(struct audio_info *audio_info,
@@ -3928,10 +3973,11 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
        if (acrtc->base.state->event)
                prepare_flip_isr(acrtc);
 
+       spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+
        surface_updates->surface = dc_stream_get_status(acrtc_state->stream)->plane_states[0];
        surface_updates->flip_addr = &addr;
 
-
        dc_commit_updates_for_stream(adev->dm.dc,
                                             surface_updates,
                                             1,
@@ -3944,9 +3990,6 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
                         __func__,
                         addr.address.grph.addr.high_part,
                         addr.address.grph.addr.low_part);
-
-
-       spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
 }
 
 /*
@@ -4206,6 +4249,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
        struct drm_connector *connector;
        struct drm_connector_state *old_con_state, *new_con_state;
        struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
+       int crtc_disable_count = 0;
 
        drm_atomic_helper_update_legacy_modeset_state(dev, state);
 
@@ -4410,6 +4454,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
                struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
                bool modeset_needed;
 
+               if (old_crtc_state->active && !new_crtc_state->active)
+                       crtc_disable_count++;
+
                dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
                dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
                modeset_needed = modeset_required(
@@ -4463,11 +4510,9 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
         * so we can put the GPU into runtime suspend if we're not driving any
         * displays anymore
         */
+       for (i = 0; i < crtc_disable_count; i++)
+               pm_runtime_put_autosuspend(dev->dev);
        pm_runtime_mark_last_busy(dev->dev);
-       for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-               if (old_crtc_state->active && !new_crtc_state->active)
-                       pm_runtime_put_autosuspend(dev->dev);
-       }
 }
 
 
index 092d800b703a7627a2b98fdda7be54b5b6f7ff11..33b4de4ad66eb561f15c04cac555c2ea76b03d2b 100644 (file)
@@ -1433,7 +1433,10 @@ struct atom_smc_dpm_info_v4_1
        uint8_t  acggfxclkspreadpercent;
        uint16_t acggfxclkspreadfreq;
 
-       uint32_t boardreserved[10];
+       uint8_t Vr2_I2C_address;
+       uint8_t padding_vr2[3];
+
+       uint32_t boardreserved[9];
 };
 
 /* 
index 5325661fedffb9480b26fb7b94269a30fb32334a..d27c1c9df2868696887157845aa13eca5b7348d1 100644 (file)
@@ -512,14 +512,82 @@ int pp_atomfwctrl_get_clk_information_by_clkid(struct pp_hwmgr *hwmgr, BIOS_CLKI
        return 0;
 }
 
+static void pp_atomfwctrl_copy_vbios_bootup_values_3_2(struct pp_hwmgr *hwmgr,
+                       struct pp_atomfwctrl_bios_boot_up_values *boot_values,
+                       struct atom_firmware_info_v3_2 *fw_info)
+{
+       uint32_t frequency = 0;
+
+       boot_values->ulRevision = fw_info->firmware_revision;
+       boot_values->ulGfxClk   = fw_info->bootup_sclk_in10khz;
+       boot_values->ulUClk     = fw_info->bootup_mclk_in10khz;
+       boot_values->usVddc     = fw_info->bootup_vddc_mv;
+       boot_values->usVddci    = fw_info->bootup_vddci_mv;
+       boot_values->usMvddc    = fw_info->bootup_mvddc_mv;
+       boot_values->usVddGfx   = fw_info->bootup_vddgfx_mv;
+       boot_values->ucCoolingID = fw_info->coolingsolution_id;
+       boot_values->ulSocClk   = 0;
+       boot_values->ulDCEFClk   = 0;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_SOCCLK_ID, &frequency))
+               boot_values->ulSocClk   = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_DCEFCLK_ID, &frequency))
+               boot_values->ulDCEFClk  = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_ECLK_ID, &frequency))
+               boot_values->ulEClk     = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_VCLK_ID, &frequency))
+               boot_values->ulVClk     = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU11_SYSPLL0_DCLK_ID, &frequency))
+               boot_values->ulDClk     = frequency;
+}
+
+static void pp_atomfwctrl_copy_vbios_bootup_values_3_1(struct pp_hwmgr *hwmgr,
+                       struct pp_atomfwctrl_bios_boot_up_values *boot_values,
+                       struct atom_firmware_info_v3_1 *fw_info)
+{
+       uint32_t frequency = 0;
+
+       boot_values->ulRevision = fw_info->firmware_revision;
+       boot_values->ulGfxClk   = fw_info->bootup_sclk_in10khz;
+       boot_values->ulUClk     = fw_info->bootup_mclk_in10khz;
+       boot_values->usVddc     = fw_info->bootup_vddc_mv;
+       boot_values->usVddci    = fw_info->bootup_vddci_mv;
+       boot_values->usMvddc    = fw_info->bootup_mvddc_mv;
+       boot_values->usVddGfx   = fw_info->bootup_vddgfx_mv;
+       boot_values->ucCoolingID = fw_info->coolingsolution_id;
+       boot_values->ulSocClk   = 0;
+       boot_values->ulDCEFClk   = 0;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_SOCCLK_ID, &frequency))
+               boot_values->ulSocClk   = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_DCEFCLK_ID, &frequency))
+               boot_values->ulDCEFClk  = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_ECLK_ID, &frequency))
+               boot_values->ulEClk     = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_VCLK_ID, &frequency))
+               boot_values->ulVClk     = frequency;
+
+       if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr, SMU9_SYSPLL0_DCLK_ID, &frequency))
+               boot_values->ulDClk     = frequency;
+}
+
 int pp_atomfwctrl_get_vbios_bootup_values(struct pp_hwmgr *hwmgr,
                        struct pp_atomfwctrl_bios_boot_up_values *boot_values)
 {
-       struct atom_firmware_info_v3_1 *info = NULL;
+       struct atom_firmware_info_v3_2 *fwinfo_3_2;
+       struct atom_firmware_info_v3_1 *fwinfo_3_1;
+       struct atom_common_table_header *info = NULL;
        uint16_t ix;
 
        ix = GetIndexIntoMasterDataTable(firmwareinfo);
-       info = (struct atom_firmware_info_v3_1 *)
+       info = (struct atom_common_table_header *)
                smu_atom_get_data_table(hwmgr->adev,
                                ix, NULL, NULL, NULL);
 
@@ -528,16 +596,18 @@ int pp_atomfwctrl_get_vbios_bootup_values(struct pp_hwmgr *hwmgr,
                return -EINVAL;
        }
 
-       boot_values->ulRevision = info->firmware_revision;
-       boot_values->ulGfxClk   = info->bootup_sclk_in10khz;
-       boot_values->ulUClk     = info->bootup_mclk_in10khz;
-       boot_values->usVddc     = info->bootup_vddc_mv;
-       boot_values->usVddci    = info->bootup_vddci_mv;
-       boot_values->usMvddc    = info->bootup_mvddc_mv;
-       boot_values->usVddGfx   = info->bootup_vddgfx_mv;
-       boot_values->ucCoolingID = info->coolingsolution_id;
-       boot_values->ulSocClk   = 0;
-       boot_values->ulDCEFClk   = 0;
+       if ((info->format_revision == 3) && (info->content_revision == 2)) {
+               fwinfo_3_2 = (struct atom_firmware_info_v3_2 *)info;
+               pp_atomfwctrl_copy_vbios_bootup_values_3_2(hwmgr,
+                               boot_values, fwinfo_3_2);
+       } else if ((info->format_revision == 3) && (info->content_revision == 1)) {
+               fwinfo_3_1 = (struct atom_firmware_info_v3_1 *)info;
+               pp_atomfwctrl_copy_vbios_bootup_values_3_1(hwmgr,
+                               boot_values, fwinfo_3_1);
+       } else {
+               pr_info("Fw info table revision does not match!");
+               return -EINVAL;
+       }
 
        return 0;
 }
@@ -629,5 +699,7 @@ int pp_atomfwctrl_get_smc_dpm_information(struct pp_hwmgr *hwmgr,
        param->acggfxclkspreadpercent = info->acggfxclkspreadpercent;
        param->acggfxclkspreadfreq = info->acggfxclkspreadfreq;
 
+       param->Vr2_I2C_address = info->Vr2_I2C_address;
+
        return 0;
 }
index fe10aa4db5e64f721fbd462ffa6127b0e06851fc..22e21668c93a429239688fd7509328fc0d870406 100644 (file)
@@ -136,6 +136,9 @@ struct pp_atomfwctrl_bios_boot_up_values {
        uint32_t   ulUClk;
        uint32_t   ulSocClk;
        uint32_t   ulDCEFClk;
+       uint32_t   ulEClk;
+       uint32_t   ulVClk;
+       uint32_t   ulDClk;
        uint16_t   usVddc;
        uint16_t   usVddci;
        uint16_t   usMvddc;
@@ -207,6 +210,8 @@ struct pp_atomfwctrl_smc_dpm_parameters
        uint8_t  acggfxclkspreadenabled;
        uint8_t  acggfxclkspreadpercent;
        uint16_t acggfxclkspreadfreq;
+
+       uint8_t Vr2_I2C_address;
 };
 
 int pp_atomfwctrl_get_gpu_pll_dividers_vega10(struct pp_hwmgr *hwmgr,
index 782e2098824df6225e2c044bf060626d143a0919..c98e5de777cd1bc18abbc4a5560430543f23ddd6 100644 (file)
@@ -81,6 +81,7 @@ static void vega12_set_default_registry_data(struct pp_hwmgr *hwmgr)
 
        data->registry_data.disallowed_features = 0x0;
        data->registry_data.od_state_in_dc_support = 0;
+       data->registry_data.thermal_support = 1;
        data->registry_data.skip_baco_hardware = 0;
 
        data->registry_data.log_avfs_param = 0;
@@ -803,6 +804,9 @@ static int vega12_init_smc_table(struct pp_hwmgr *hwmgr)
                data->vbios_boot_state.soc_clock = boot_up_values.ulSocClk;
                data->vbios_boot_state.dcef_clock = boot_up_values.ulDCEFClk;
                data->vbios_boot_state.uc_cooling_id = boot_up_values.ucCoolingID;
+               data->vbios_boot_state.eclock = boot_up_values.ulEClk;
+               data->vbios_boot_state.dclock = boot_up_values.ulDClk;
+               data->vbios_boot_state.vclock = boot_up_values.ulVClk;
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                PPSMC_MSG_SetMinDeepSleepDcefclk,
                        (uint32_t)(data->vbios_boot_state.dcef_clock / 100));
index e81ded1ec1982d55f2b1a5657ee0fc163b3d7c96..49b38df8c7f2702553b7aa49e27e77069d55adef 100644 (file)
@@ -167,6 +167,9 @@ struct vega12_vbios_boot_state {
        uint32_t    mem_clock;
        uint32_t    soc_clock;
        uint32_t    dcef_clock;
+       uint32_t    eclock;
+       uint32_t    dclock;
+       uint32_t    vclock;
 };
 
 #define DPMTABLE_OD_UPDATE_SCLK     0x00000001
index 888ddca902d894216acee566879f239a47009468..29914700ee82f5d8d09de71ff8fadb7b28bfaca3 100644 (file)
@@ -230,6 +230,8 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable
                ppsmc_pptable->AcgThresholdFreqLow = 0xFFFF;
        }
 
+       ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address;
+
        return 0;
 }
 
index 2f8a3b983cce0c9444cac949ed7ce79a420b06ba..b08526fd161908d29bda5ab87dc7bd1c1f1401f1 100644 (file)
@@ -499,7 +499,10 @@ typedef struct {
        uint8_t      AcgGfxclkSpreadPercent;
        uint16_t     AcgGfxclkSpreadFreq;
 
-       uint32_t     BoardReserved[10];
+  uint8_t      Vr2_I2C_address;
+  uint8_t      padding_vr2[3];
+
+  uint32_t     BoardReserved[9];
 
 
   uint32_t     MmHubPadding[7];
index 8d20faa198cf199ff65d604ca9f4f1effd633c86..0a788d76ed5f02f6aed755447783874280b5cf7a 100644 (file)
@@ -278,7 +278,6 @@ static int malidp_init(struct drm_device *drm)
 
 static void malidp_fini(struct drm_device *drm)
 {
-       drm_atomic_helper_shutdown(drm);
        drm_mode_config_cleanup(drm);
 }
 
@@ -646,6 +645,7 @@ vblank_fail:
        malidp_de_irq_fini(drm);
        drm->irq_enabled = false;
 irq_init_fail:
+       drm_atomic_helper_shutdown(drm);
        component_unbind_all(dev, drm);
 bind_fail:
        of_node_put(malidp->crtc.port);
@@ -681,6 +681,7 @@ static void malidp_unbind(struct device *dev)
        malidp_se_irq_fini(drm);
        malidp_de_irq_fini(drm);
        drm->irq_enabled = false;
+       drm_atomic_helper_shutdown(drm);
        component_unbind_all(dev, drm);
        of_node_put(malidp->crtc.port);
        malidp->crtc.port = NULL;
index d789b46dc817335dd2d509ee456d850897762b88..069783e715f1777829b3d992b2add45b8fb693da 100644 (file)
@@ -634,7 +634,8 @@ const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = {
                                .vsync_irq = MALIDP500_DE_IRQ_VSYNC,
                        },
                        .se_irq_map = {
-                               .irq_mask = MALIDP500_SE_IRQ_CONF_MODE,
+                               .irq_mask = MALIDP500_SE_IRQ_CONF_MODE |
+                                           MALIDP500_SE_IRQ_GLOBAL,
                                .vsync_irq = 0,
                        },
                        .dc_irq_map = {
index 7a44897c50fea784bf516db7f17866ee31f413fa..29409a65d864760e674f787cb5279cdbff5b91a7 100644 (file)
@@ -23,6 +23,7 @@
 
 /* Layer specific register offsets */
 #define MALIDP_LAYER_FORMAT            0x000
+#define   LAYER_FORMAT_MASK            0x3f
 #define MALIDP_LAYER_CONTROL           0x004
 #define   LAYER_ENABLE                 (1 << 0)
 #define   LAYER_FLOWCFG_MASK           7
@@ -235,8 +236,8 @@ static int malidp_de_plane_check(struct drm_plane *plane,
        if (state->rotation & MALIDP_ROTATED_MASK) {
                int val;
 
-               val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_h,
-                                                    state->crtc_w,
+               val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_w,
+                                                    state->crtc_h,
                                                     fb->format->format);
                if (val < 0)
                        return val;
@@ -337,7 +338,9 @@ static void malidp_de_plane_update(struct drm_plane *plane,
        dest_w = plane->state->crtc_w;
        dest_h = plane->state->crtc_h;
 
-       malidp_hw_write(mp->hwdev, ms->format, mp->layer->base);
+       val = malidp_hw_read(mp->hwdev, mp->layer->base);
+       val = (val & ~LAYER_FORMAT_MASK) | ms->format;
+       malidp_hw_write(mp->hwdev, val, mp->layer->base);
 
        for (i = 0; i < ms->n_planes; i++) {
                /* calculate the offset for the layer's plane registers */
index 250effa0e6b83184e4ff60986b10ecaa1334eef1..a6e8f4591e636241c6f1e8515fea33dc9147a7f3 100644 (file)
@@ -14,6 +14,7 @@
 #include <drm/bridge/mhl.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_encoder.h>
 
 #include <linux/clk.h>
 #include <linux/delay.h>
@@ -72,9 +73,7 @@ struct sii8620 {
        struct regulator_bulk_data supplies[2];
        struct mutex lock; /* context lock, protects fields below */
        int error;
-       int pixel_clock;
        unsigned int use_packed_pixel:1;
-       int video_code;
        enum sii8620_mode mode;
        enum sii8620_sink_type sink_type;
        u8 cbus_status;
@@ -82,7 +81,6 @@ struct sii8620 {
        u8 xstat[MHL_XDS_SIZE];
        u8 devcap[MHL_DCAP_SIZE];
        u8 xdevcap[MHL_XDC_SIZE];
-       u8 avif[HDMI_INFOFRAME_SIZE(AVI)];
        bool feature_complete;
        bool devcap_read;
        bool sink_detected;
@@ -1017,21 +1015,36 @@ static void sii8620_stop_video(struct sii8620 *ctx)
 
 static void sii8620_set_format(struct sii8620 *ctx)
 {
+       u8 out_fmt;
+
        if (sii8620_is_mhl3(ctx)) {
                sii8620_setbits(ctx, REG_M3_P0CTRL,
                                BIT_M3_P0CTRL_MHL3_P0_PIXEL_MODE_PACKED,
                                ctx->use_packed_pixel ? ~0 : 0);
        } else {
+               if (ctx->use_packed_pixel) {
+                       sii8620_write_seq_static(ctx,
+                               REG_VID_MODE, BIT_VID_MODE_M1080P,
+                               REG_MHL_TOP_CTL, BIT_MHL_TOP_CTL_MHL_PP_SEL | 1,
+                               REG_MHLTX_CTL6, 0x60
+                       );
+               } else {
                        sii8620_write_seq_static(ctx,
                                REG_VID_MODE, 0,
                                REG_MHL_TOP_CTL, 1,
                                REG_MHLTX_CTL6, 0xa0
                        );
+               }
        }
 
+       if (ctx->use_packed_pixel)
+               out_fmt = VAL_TPI_FORMAT(YCBCR422, FULL);
+       else
+               out_fmt = VAL_TPI_FORMAT(RGB, FULL);
+
        sii8620_write_seq(ctx,
                REG_TPI_INPUT, VAL_TPI_FORMAT(RGB, FULL),
-               REG_TPI_OUTPUT, VAL_TPI_FORMAT(RGB, FULL),
+               REG_TPI_OUTPUT, out_fmt,
        );
 }
 
@@ -1082,18 +1095,28 @@ static ssize_t mhl3_infoframe_pack(struct mhl3_infoframe *frame,
        return frm_len;
 }
 
-static void sii8620_set_infoframes(struct sii8620 *ctx)
+static void sii8620_set_infoframes(struct sii8620 *ctx,
+                                  struct drm_display_mode *mode)
 {
        struct mhl3_infoframe mhl_frm;
        union hdmi_infoframe frm;
        u8 buf[31];
        int ret;
 
+       ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
+                                                      mode,
+                                                      true);
+       if (ctx->use_packed_pixel)
+               frm.avi.colorspace = HDMI_COLORSPACE_YUV422;
+
+       if (!ret)
+               ret = hdmi_avi_infoframe_pack(&frm.avi, buf, ARRAY_SIZE(buf));
+       if (ret > 0)
+               sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, buf + 3, ret - 3);
+
        if (!sii8620_is_mhl3(ctx) || !ctx->use_packed_pixel) {
                sii8620_write(ctx, REG_TPI_SC,
                        BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI);
-               sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, ctx->avif + 3,
-                       ARRAY_SIZE(ctx->avif) - 3);
                sii8620_write(ctx, REG_PKT_FILTER_0,
                        BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT |
                        BIT_PKT_FILTER_0_DROP_MPEG_PKT |
@@ -1102,16 +1125,6 @@ static void sii8620_set_infoframes(struct sii8620 *ctx)
                return;
        }
 
-       ret = hdmi_avi_infoframe_init(&frm.avi);
-       frm.avi.colorspace = HDMI_COLORSPACE_YUV422;
-       frm.avi.active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
-       frm.avi.picture_aspect = HDMI_PICTURE_ASPECT_16_9;
-       frm.avi.colorimetry = HDMI_COLORIMETRY_ITU_709;
-       frm.avi.video_code = ctx->video_code;
-       if (!ret)
-               ret = hdmi_avi_infoframe_pack(&frm.avi, buf, ARRAY_SIZE(buf));
-       if (ret > 0)
-               sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, buf + 3, ret - 3);
        sii8620_write(ctx, REG_PKT_FILTER_0,
                BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT |
                BIT_PKT_FILTER_0_DROP_MPEG_PKT |
@@ -1131,6 +1144,9 @@ static void sii8620_set_infoframes(struct sii8620 *ctx)
 
 static void sii8620_start_video(struct sii8620 *ctx)
 {
+       struct drm_display_mode *mode =
+               &ctx->bridge.encoder->crtc->state->adjusted_mode;
+
        if (!sii8620_is_mhl3(ctx))
                sii8620_stop_video(ctx);
 
@@ -1149,8 +1165,14 @@ static void sii8620_start_video(struct sii8620 *ctx)
        sii8620_set_format(ctx);
 
        if (!sii8620_is_mhl3(ctx)) {
-               sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
-                       MHL_DST_LM_CLK_MODE_NORMAL | MHL_DST_LM_PATH_ENABLED);
+               u8 link_mode = MHL_DST_LM_PATH_ENABLED;
+
+               if (ctx->use_packed_pixel)
+                       link_mode |= MHL_DST_LM_CLK_MODE_PACKED_PIXEL;
+               else
+                       link_mode |= MHL_DST_LM_CLK_MODE_NORMAL;
+
+               sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), link_mode);
                sii8620_set_auto_zone(ctx);
        } else {
                static const struct {
@@ -1167,7 +1189,7 @@ static void sii8620_start_video(struct sii8620 *ctx)
                          MHL_XDS_LINK_RATE_6_0_GBPS, 0x40 },
                };
                u8 p0_ctrl = BIT_M3_P0CTRL_MHL3_P0_PORT_EN;
-               int clk = ctx->pixel_clock * (ctx->use_packed_pixel ? 2 : 3);
+               int clk = mode->clock * (ctx->use_packed_pixel ? 2 : 3);
                int i;
 
                for (i = 0; i < ARRAY_SIZE(clk_spec) - 1; ++i)
@@ -1196,7 +1218,7 @@ static void sii8620_start_video(struct sii8620 *ctx)
                        clk_spec[i].link_rate);
        }
 
-       sii8620_set_infoframes(ctx);
+       sii8620_set_infoframes(ctx, mode);
 }
 
 static void sii8620_disable_hpd(struct sii8620 *ctx)
@@ -1661,14 +1683,18 @@ static void sii8620_status_dcap_ready(struct sii8620 *ctx)
 
 static void sii8620_status_changed_path(struct sii8620 *ctx)
 {
-       if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) {
-               sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
-                                     MHL_DST_LM_CLK_MODE_NORMAL
-                                     | MHL_DST_LM_PATH_ENABLED);
-       } else {
-               sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
-                                     MHL_DST_LM_CLK_MODE_NORMAL);
-       }
+       u8 link_mode;
+
+       if (ctx->use_packed_pixel)
+               link_mode = MHL_DST_LM_CLK_MODE_PACKED_PIXEL;
+       else
+               link_mode = MHL_DST_LM_CLK_MODE_NORMAL;
+
+       if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED)
+               link_mode |= MHL_DST_LM_PATH_ENABLED;
+
+       sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
+                             link_mode);
 }
 
 static void sii8620_msc_mr_write_stat(struct sii8620 *ctx)
@@ -2242,8 +2268,6 @@ static bool sii8620_mode_fixup(struct drm_bridge *bridge,
        mutex_lock(&ctx->lock);
 
        ctx->use_packed_pixel = sii8620_is_packing_required(ctx, adjusted_mode);
-       ctx->video_code = drm_match_cea_mode(adjusted_mode);
-       ctx->pixel_clock = adjusted_mode->clock;
 
        mutex_unlock(&ctx->lock);
 
index 1f8031e30f5397bf97054b3fcffc11408c35759e..cdb10f885a4febea85fc5272e22f1378d770da8b 100644 (file)
@@ -532,7 +532,7 @@ static void drm_property_free_blob(struct kref *kref)
 
        drm_mode_object_unregister(blob->dev, &blob->base);
 
-       kfree(blob);
+       kvfree(blob);
 }
 
 /**
@@ -559,7 +559,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
        if (!length || length > ULONG_MAX - sizeof(struct drm_property_blob))
                return ERR_PTR(-EINVAL);
 
-       blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
+       blob = kvzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
        if (!blob)
                return ERR_PTR(-ENOMEM);
 
@@ -576,7 +576,7 @@ drm_property_create_blob(struct drm_device *dev, size_t length,
        ret = __drm_mode_object_add(dev, &blob->base, DRM_MODE_OBJECT_BLOB,
                                    true, drm_property_free_blob);
        if (ret) {
-               kfree(blob);
+               kvfree(blob);
                return ERR_PTR(-EINVAL);
        }
 
index e5013a9991477eda57913a80f7c978a199727a62..540b59fb41038fcbed3f16528edf9f85e3976071 100644 (file)
@@ -631,8 +631,11 @@ static struct platform_driver etnaviv_platform_driver = {
        },
 };
 
+static struct platform_device *etnaviv_drm;
+
 static int __init etnaviv_init(void)
 {
+       struct platform_device *pdev;
        int ret;
        struct device_node *np;
 
@@ -644,7 +647,7 @@ static int __init etnaviv_init(void)
 
        ret = platform_driver_register(&etnaviv_platform_driver);
        if (ret != 0)
-               platform_driver_unregister(&etnaviv_gpu_driver);
+               goto unregister_gpu_driver;
 
        /*
         * If the DT contains at least one available GPU device, instantiate
@@ -653,20 +656,33 @@ static int __init etnaviv_init(void)
        for_each_compatible_node(np, NULL, "vivante,gc") {
                if (!of_device_is_available(np))
                        continue;
-
-               platform_device_register_simple("etnaviv", -1, NULL, 0);
+               pdev = platform_device_register_simple("etnaviv", -1,
+                                                      NULL, 0);
+               if (IS_ERR(pdev)) {
+                       ret = PTR_ERR(pdev);
+                       of_node_put(np);
+                       goto unregister_platform_driver;
+               }
+               etnaviv_drm = pdev;
                of_node_put(np);
                break;
        }
 
+       return 0;
+
+unregister_platform_driver:
+       platform_driver_unregister(&etnaviv_platform_driver);
+unregister_gpu_driver:
+       platform_driver_unregister(&etnaviv_gpu_driver);
        return ret;
 }
 module_init(etnaviv_init);
 
 static void __exit etnaviv_exit(void)
 {
-       platform_driver_unregister(&etnaviv_gpu_driver);
+       platform_device_unregister(etnaviv_drm);
        platform_driver_unregister(&etnaviv_platform_driver);
+       platform_driver_unregister(&etnaviv_gpu_driver);
 }
 module_exit(etnaviv_exit);
 
index dd430f0f8ff5158975e21f26ad97fc3aa5bae2cb..90f17ff7888e7042b85f38e5ef114f77fa42dccd 100644 (file)
@@ -131,6 +131,9 @@ struct etnaviv_gpu {
        struct work_struct sync_point_work;
        int sync_point_event;
 
+       /* hang detection */
+       u32 hangcheck_dma_addr;
+
        void __iomem *mmio;
        int irq;
 
index a74eb57af15bc65ba2ff4a2ed3906da29afe959b..50d6b88cb7aab3f99025829e1f544aae957d6d7f 100644 (file)
@@ -10,6 +10,7 @@
 #include "etnaviv_gem.h"
 #include "etnaviv_gpu.h"
 #include "etnaviv_sched.h"
+#include "state.xml.h"
 
 static int etnaviv_job_hang_limit = 0;
 module_param_named(job_hang_limit, etnaviv_job_hang_limit, int , 0444);
@@ -85,6 +86,29 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job)
 {
        struct etnaviv_gem_submit *submit = to_etnaviv_submit(sched_job);
        struct etnaviv_gpu *gpu = submit->gpu;
+       u32 dma_addr;
+       int change;
+
+       /*
+        * If the GPU managed to complete this jobs fence, the timout is
+        * spurious. Bail out.
+        */
+       if (fence_completed(gpu, submit->out_fence->seqno))
+               return;
+
+       /*
+        * If the GPU is still making forward progress on the front-end (which
+        * should never loop) we shift out the timeout to give it a chance to
+        * finish the job.
+        */
+       dma_addr = gpu_read(gpu, VIVS_FE_DMA_ADDRESS);
+       change = dma_addr - gpu->hangcheck_dma_addr;
+       if (change < 0 || change > 16) {
+               gpu->hangcheck_dma_addr = dma_addr;
+               schedule_delayed_work(&sched_job->work_tdr,
+                                     sched_job->sched->timeout);
+               return;
+       }
 
        /* block scheduler */
        kthread_park(gpu->sched.thread);
index 82c95c34447fe19d34018b15a9b6a92e43ca917a..e868773ea5097cf3afd0592c2bf51ef66adf84cc 100644 (file)
@@ -265,7 +265,7 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
        unsigned long val;
 
        val = readl(ctx->addr + DECON_WINCONx(win));
-       val &= ~WINCONx_BPPMODE_MASK;
+       val &= WINCONx_ENWIN_F;
 
        switch (fb->format->format) {
        case DRM_FORMAT_XRGB1555:
@@ -356,8 +356,8 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
                writel(val, ctx->addr + DECON_VIDOSDxB(win));
        }
 
-       val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |
-               VIDOSD_Wx_ALPHA_B_F(0x0);
+       val = VIDOSD_Wx_ALPHA_R_F(0xff) | VIDOSD_Wx_ALPHA_G_F(0xff) |
+               VIDOSD_Wx_ALPHA_B_F(0xff);
        writel(val, ctx->addr + DECON_VIDOSDxC(win));
 
        val = VIDOSD_Wx_ALPHA_R_F(0x0) | VIDOSD_Wx_ALPHA_G_F(0x0) |
index a81b4a5e24a77397e4748a914357424cca60642d..ed3cc2989f93f2fe17f086e7ee8413702bd9d944 100644 (file)
@@ -420,7 +420,7 @@ err_mode_config_cleanup:
 err_free_private:
        kfree(private);
 err_free_drm:
-       drm_dev_unref(drm);
+       drm_dev_put(drm);
 
        return ret;
 }
@@ -444,7 +444,7 @@ static void exynos_drm_unbind(struct device *dev)
        drm->dev_private = NULL;
        dev_set_drvdata(dev, NULL);
 
-       drm_dev_unref(drm);
+       drm_dev_put(drm);
 }
 
 static const struct component_master_ops exynos_drm_ops = {
index 7fcc1a7ab1a079fe63bfa6d45687bae146ac2920..27b7d34d776cb23fdaa1cd35064236cd313f7edf 100644 (file)
@@ -138,7 +138,7 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 
 err:
        while (i--)
-               drm_gem_object_unreference_unlocked(&exynos_gem[i]->base);
+               drm_gem_object_put_unlocked(&exynos_gem[i]->base);
 
        return ERR_PTR(ret);
 }
index 6127ef25acd60ec5ec6db92655d364220963fc0b..e8d0670bb5f8d280a9e17a1e4270c0464b1e4abc 100644 (file)
@@ -470,17 +470,18 @@ static void fimc_src_set_transf(struct fimc_context *ctx, unsigned int rotation)
 static void fimc_set_window(struct fimc_context *ctx,
                            struct exynos_drm_ipp_buffer *buf)
 {
+       unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
        u32 cfg, h1, h2, v1, v2;
 
        /* cropped image */
        h1 = buf->rect.x;
-       h2 = buf->buf.width - buf->rect.w - buf->rect.x;
+       h2 = real_width - buf->rect.w - buf->rect.x;
        v1 = buf->rect.y;
        v2 = buf->buf.height - buf->rect.h - buf->rect.y;
 
        DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
                buf->rect.x, buf->rect.y, buf->rect.w, buf->rect.h,
-               buf->buf.width, buf->buf.height);
+               real_width, buf->buf.height);
        DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
 
        /*
@@ -503,12 +504,13 @@ static void fimc_set_window(struct fimc_context *ctx,
 static void fimc_src_set_size(struct fimc_context *ctx,
                              struct exynos_drm_ipp_buffer *buf)
 {
+       unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
        u32 cfg;
 
-       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
 
        /* original size */
-       cfg = (EXYNOS_ORGISIZE_HORIZONTAL(buf->buf.width) |
+       cfg = (EXYNOS_ORGISIZE_HORIZONTAL(real_width) |
                EXYNOS_ORGISIZE_VERTICAL(buf->buf.height));
 
        fimc_write(ctx, cfg, EXYNOS_ORGISIZE);
@@ -529,7 +531,7 @@ static void fimc_src_set_size(struct fimc_context *ctx,
         * for now, we support only ITU601 8 bit mode
         */
        cfg = (EXYNOS_CISRCFMT_ITU601_8BIT |
-               EXYNOS_CISRCFMT_SOURCEHSIZE(buf->buf.width) |
+               EXYNOS_CISRCFMT_SOURCEHSIZE(real_width) |
                EXYNOS_CISRCFMT_SOURCEVSIZE(buf->buf.height));
        fimc_write(ctx, cfg, EXYNOS_CISRCFMT);
 
@@ -842,12 +844,13 @@ static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
 static void fimc_dst_set_size(struct fimc_context *ctx,
                             struct exynos_drm_ipp_buffer *buf)
 {
+       unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
        u32 cfg, cfg_ext;
 
-       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
 
        /* original size */
-       cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(buf->buf.width) |
+       cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(real_width) |
                EXYNOS_ORGOSIZE_VERTICAL(buf->buf.height));
 
        fimc_write(ctx, cfg, EXYNOS_ORGOSIZE);
index 6e1494fa71b40d70a59b768a1ac2caf6d9799dfe..bdf5a7655228b69ad799ffdce859876cf176563c 100644 (file)
@@ -143,7 +143,7 @@ static int exynos_drm_gem_handle_create(struct drm_gem_object *obj,
        DRM_DEBUG_KMS("gem handle = 0x%x\n", *handle);
 
        /* drop reference from allocate - handle holds it now. */
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
 
        return 0;
 }
@@ -186,7 +186,7 @@ unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
 
        exynos_gem = to_exynos_gem(obj);
 
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
 
        return exynos_gem->size;
 }
@@ -329,13 +329,13 @@ void exynos_drm_gem_put_dma_addr(struct drm_device *dev,
                return;
        }
 
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
 
        /*
         * decrease obj->refcount one more time because we has already
         * increased it at exynos_drm_gem_get_dma_addr().
         */
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
 }
 
 static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem,
@@ -383,7 +383,7 @@ int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
        args->flags = exynos_gem->flags;
        args->size = exynos_gem->size;
 
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
 
        return 0;
 }
index 35ac66730563944e83dcb1a6be7ec39999ead086..7ba414b52faa940595a028db7fa3e959bc7a58cd 100644 (file)
@@ -492,21 +492,25 @@ static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt)
                        GSC_IN_CHROMA_ORDER_CRCB);
                break;
        case DRM_FORMAT_NV21:
+               cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV420_2P);
+               break;
        case DRM_FORMAT_NV61:
-               cfg |= (GSC_IN_CHROMA_ORDER_CRCB |
-                       GSC_IN_YUV420_2P);
+               cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV422_2P);
                break;
        case DRM_FORMAT_YUV422:
                cfg |= GSC_IN_YUV422_3P;
                break;
        case DRM_FORMAT_YUV420:
+               cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV420_3P);
+               break;
        case DRM_FORMAT_YVU420:
-               cfg |= GSC_IN_YUV420_3P;
+               cfg |= (GSC_IN_CHROMA_ORDER_CRCB | GSC_IN_YUV420_3P);
                break;
        case DRM_FORMAT_NV12:
+               cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV420_2P);
+               break;
        case DRM_FORMAT_NV16:
-               cfg |= (GSC_IN_CHROMA_ORDER_CBCR |
-                       GSC_IN_YUV420_2P);
+               cfg |= (GSC_IN_CHROMA_ORDER_CBCR | GSC_IN_YUV422_2P);
                break;
        }
 
@@ -523,30 +527,30 @@ static void gsc_src_set_transf(struct gsc_context *ctx, unsigned int rotation)
 
        switch (degree) {
        case DRM_MODE_ROTATE_0:
-               if (rotation & DRM_MODE_REFLECT_Y)
-                       cfg |= GSC_IN_ROT_XFLIP;
                if (rotation & DRM_MODE_REFLECT_X)
+                       cfg |= GSC_IN_ROT_XFLIP;
+               if (rotation & DRM_MODE_REFLECT_Y)
                        cfg |= GSC_IN_ROT_YFLIP;
                break;
        case DRM_MODE_ROTATE_90:
                cfg |= GSC_IN_ROT_90;
-               if (rotation & DRM_MODE_REFLECT_Y)
-                       cfg |= GSC_IN_ROT_XFLIP;
                if (rotation & DRM_MODE_REFLECT_X)
+                       cfg |= GSC_IN_ROT_XFLIP;
+               if (rotation & DRM_MODE_REFLECT_Y)
                        cfg |= GSC_IN_ROT_YFLIP;
                break;
        case DRM_MODE_ROTATE_180:
                cfg |= GSC_IN_ROT_180;
-               if (rotation & DRM_MODE_REFLECT_Y)
-                       cfg &= ~GSC_IN_ROT_XFLIP;
                if (rotation & DRM_MODE_REFLECT_X)
+                       cfg &= ~GSC_IN_ROT_XFLIP;
+               if (rotation & DRM_MODE_REFLECT_Y)
                        cfg &= ~GSC_IN_ROT_YFLIP;
                break;
        case DRM_MODE_ROTATE_270:
                cfg |= GSC_IN_ROT_270;
-               if (rotation & DRM_MODE_REFLECT_Y)
-                       cfg &= ~GSC_IN_ROT_XFLIP;
                if (rotation & DRM_MODE_REFLECT_X)
+                       cfg &= ~GSC_IN_ROT_XFLIP;
+               if (rotation & DRM_MODE_REFLECT_Y)
                        cfg &= ~GSC_IN_ROT_YFLIP;
                break;
        }
@@ -577,7 +581,7 @@ static void gsc_src_set_size(struct gsc_context *ctx,
        cfg &= ~(GSC_SRCIMG_HEIGHT_MASK |
                GSC_SRCIMG_WIDTH_MASK);
 
-       cfg |= (GSC_SRCIMG_WIDTH(buf->buf.width) |
+       cfg |= (GSC_SRCIMG_WIDTH(buf->buf.pitch[0] / buf->format->cpp[0]) |
                GSC_SRCIMG_HEIGHT(buf->buf.height));
 
        gsc_write(cfg, GSC_SRCIMG_SIZE);
@@ -672,18 +676,25 @@ static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt)
                        GSC_OUT_CHROMA_ORDER_CRCB);
                break;
        case DRM_FORMAT_NV21:
-       case DRM_FORMAT_NV61:
                cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV420_2P);
                break;
+       case DRM_FORMAT_NV61:
+               cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV422_2P);
+               break;
        case DRM_FORMAT_YUV422:
+               cfg |= GSC_OUT_YUV422_3P;
+               break;
        case DRM_FORMAT_YUV420:
+               cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV420_3P);
+               break;
        case DRM_FORMAT_YVU420:
-               cfg |= GSC_OUT_YUV420_3P;
+               cfg |= (GSC_OUT_CHROMA_ORDER_CRCB | GSC_OUT_YUV420_3P);
                break;
        case DRM_FORMAT_NV12:
+               cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV420_2P);
+               break;
        case DRM_FORMAT_NV16:
-               cfg |= (GSC_OUT_CHROMA_ORDER_CBCR |
-                       GSC_OUT_YUV420_2P);
+               cfg |= (GSC_OUT_CHROMA_ORDER_CBCR | GSC_OUT_YUV422_2P);
                break;
        }
 
@@ -868,7 +879,7 @@ static void gsc_dst_set_size(struct gsc_context *ctx,
        /* original size */
        cfg = gsc_read(GSC_DSTIMG_SIZE);
        cfg &= ~(GSC_DSTIMG_HEIGHT_MASK | GSC_DSTIMG_WIDTH_MASK);
-       cfg |= GSC_DSTIMG_WIDTH(buf->buf.width) |
+       cfg |= GSC_DSTIMG_WIDTH(buf->buf.pitch[0] / buf->format->cpp[0]) |
               GSC_DSTIMG_HEIGHT(buf->buf.height);
        gsc_write(cfg, GSC_DSTIMG_SIZE);
 
@@ -1341,7 +1352,7 @@ static const struct drm_exynos_ipp_limit gsc_5420_limits[] = {
 };
 
 static const struct drm_exynos_ipp_limit gsc_5433_limits[] = {
-       { IPP_SIZE_LIMIT(BUFFER, .h = { 32, 8191, 2 }, .v = { 16, 8191, 2 }) },
+       { IPP_SIZE_LIMIT(BUFFER, .h = { 32, 8191, 16 }, .v = { 16, 8191, 2 }) },
        { IPP_SIZE_LIMIT(AREA, .h = { 16, 4800, 1 }, .v = { 8, 3344, 1 }) },
        { IPP_SIZE_LIMIT(ROTATED, .h = { 32, 2047 }, .v = { 8, 8191 }) },
        { IPP_SCALE_LIMIT(.h = { (1 << 16) / 16, (1 << 16) * 8 },
index 26374e58c5578dc326356e19520b522e1d45412c..b435db8fc91677927c6e735d78d99232d7a91e0e 100644 (file)
@@ -345,27 +345,6 @@ static int exynos_drm_ipp_task_setup_buffer(struct exynos_drm_ipp_buffer *buf,
        int ret = 0;
        int i;
 
-       /* basic checks */
-       if (buf->buf.width == 0 || buf->buf.height == 0)
-               return -EINVAL;
-       buf->format = drm_format_info(buf->buf.fourcc);
-       for (i = 0; i < buf->format->num_planes; i++) {
-               unsigned int width = (i == 0) ? buf->buf.width :
-                            DIV_ROUND_UP(buf->buf.width, buf->format->hsub);
-
-               if (buf->buf.pitch[i] == 0)
-                       buf->buf.pitch[i] = width * buf->format->cpp[i];
-               if (buf->buf.pitch[i] < width * buf->format->cpp[i])
-                       return -EINVAL;
-               if (!buf->buf.gem_id[i])
-                       return -ENOENT;
-       }
-
-       /* pitch for additional planes must match */
-       if (buf->format->num_planes > 2 &&
-           buf->buf.pitch[1] != buf->buf.pitch[2])
-               return -EINVAL;
-
        /* get GEM buffers and check their size */
        for (i = 0; i < buf->format->num_planes; i++) {
                unsigned int height = (i == 0) ? buf->buf.height :
@@ -428,7 +407,7 @@ enum drm_ipp_size_id {
        IPP_LIMIT_BUFFER, IPP_LIMIT_AREA, IPP_LIMIT_ROTATED, IPP_LIMIT_MAX
 };
 
-static const enum drm_ipp_size_id limit_id_fallback[IPP_LIMIT_MAX][4] = {
+static const enum drm_exynos_ipp_limit_type limit_id_fallback[IPP_LIMIT_MAX][4] = {
        [IPP_LIMIT_BUFFER]  = { DRM_EXYNOS_IPP_LIMIT_SIZE_BUFFER },
        [IPP_LIMIT_AREA]    = { DRM_EXYNOS_IPP_LIMIT_SIZE_AREA,
                                DRM_EXYNOS_IPP_LIMIT_SIZE_BUFFER },
@@ -495,12 +474,13 @@ static int exynos_drm_ipp_check_size_limits(struct exynos_drm_ipp_buffer *buf,
        enum drm_ipp_size_id id = rotate ? IPP_LIMIT_ROTATED : IPP_LIMIT_AREA;
        struct drm_ipp_limit l;
        struct drm_exynos_ipp_limit_val *lh = &l.h, *lv = &l.v;
+       int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
 
        if (!limits)
                return 0;
 
        __get_size_limit(limits, num_limits, IPP_LIMIT_BUFFER, &l);
-       if (!__size_limit_check(buf->buf.width, &l.h) ||
+       if (!__size_limit_check(real_width, &l.h) ||
            !__size_limit_check(buf->buf.height, &l.v))
                return -EINVAL;
 
@@ -560,10 +540,62 @@ static int exynos_drm_ipp_check_scale_limits(
        return 0;
 }
 
+static int exynos_drm_ipp_check_format(struct exynos_drm_ipp_task *task,
+                                      struct exynos_drm_ipp_buffer *buf,
+                                      struct exynos_drm_ipp_buffer *src,
+                                      struct exynos_drm_ipp_buffer *dst,
+                                      bool rotate, bool swap)
+{
+       const struct exynos_drm_ipp_formats *fmt;
+       int ret, i;
+
+       fmt = __ipp_format_get(task->ipp, buf->buf.fourcc, buf->buf.modifier,
+                              buf == src ? DRM_EXYNOS_IPP_FORMAT_SOURCE :
+                                           DRM_EXYNOS_IPP_FORMAT_DESTINATION);
+       if (!fmt) {
+               DRM_DEBUG_DRIVER("Task %pK: %s format not supported\n", task,
+                                buf == src ? "src" : "dst");
+               return -EINVAL;
+       }
+
+       /* basic checks */
+       if (buf->buf.width == 0 || buf->buf.height == 0)
+               return -EINVAL;
+
+       buf->format = drm_format_info(buf->buf.fourcc);
+       for (i = 0; i < buf->format->num_planes; i++) {
+               unsigned int width = (i == 0) ? buf->buf.width :
+                            DIV_ROUND_UP(buf->buf.width, buf->format->hsub);
+
+               if (buf->buf.pitch[i] == 0)
+                       buf->buf.pitch[i] = width * buf->format->cpp[i];
+               if (buf->buf.pitch[i] < width * buf->format->cpp[i])
+                       return -EINVAL;
+               if (!buf->buf.gem_id[i])
+                       return -ENOENT;
+       }
+
+       /* pitch for additional planes must match */
+       if (buf->format->num_planes > 2 &&
+           buf->buf.pitch[1] != buf->buf.pitch[2])
+               return -EINVAL;
+
+       /* check driver limits */
+       ret = exynos_drm_ipp_check_size_limits(buf, fmt->limits,
+                                              fmt->num_limits,
+                                              rotate,
+                                              buf == dst ? swap : false);
+       if (ret)
+               return ret;
+       ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,
+                                               fmt->limits,
+                                               fmt->num_limits, swap);
+       return ret;
+}
+
 static int exynos_drm_ipp_task_check(struct exynos_drm_ipp_task *task)
 {
        struct exynos_drm_ipp *ipp = task->ipp;
-       const struct exynos_drm_ipp_formats *src_fmt, *dst_fmt;
        struct exynos_drm_ipp_buffer *src = &task->src, *dst = &task->dst;
        unsigned int rotation = task->transform.rotation;
        int ret = 0;
@@ -607,37 +639,11 @@ static int exynos_drm_ipp_task_check(struct exynos_drm_ipp_task *task)
                return -EINVAL;
        }
 
-       src_fmt = __ipp_format_get(ipp, src->buf.fourcc, src->buf.modifier,
-                                  DRM_EXYNOS_IPP_FORMAT_SOURCE);
-       if (!src_fmt) {
-               DRM_DEBUG_DRIVER("Task %pK: src format not supported\n", task);
-               return -EINVAL;
-       }
-       ret = exynos_drm_ipp_check_size_limits(src, src_fmt->limits,
-                                              src_fmt->num_limits,
-                                              rotate, false);
-       if (ret)
-               return ret;
-       ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,
-                                               src_fmt->limits,
-                                               src_fmt->num_limits, swap);
+       ret = exynos_drm_ipp_check_format(task, src, src, dst, rotate, swap);
        if (ret)
                return ret;
 
-       dst_fmt = __ipp_format_get(ipp, dst->buf.fourcc, dst->buf.modifier,
-                                  DRM_EXYNOS_IPP_FORMAT_DESTINATION);
-       if (!dst_fmt) {
-               DRM_DEBUG_DRIVER("Task %pK: dst format not supported\n", task);
-               return -EINVAL;
-       }
-       ret = exynos_drm_ipp_check_size_limits(dst, dst_fmt->limits,
-                                              dst_fmt->num_limits,
-                                              false, swap);
-       if (ret)
-               return ret;
-       ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,
-                                               dst_fmt->limits,
-                                               dst_fmt->num_limits, swap);
+       ret = exynos_drm_ipp_check_format(task, dst, src, dst, false, swap);
        if (ret)
                return ret;
 
index 38a2a7f1204be7a9ef416556db031cf8eaa07770..7098c6d35266bd1116e3be83feabc836bad30cb8 100644 (file)
@@ -132,7 +132,7 @@ static void exynos_drm_plane_reset(struct drm_plane *plane)
        if (plane->state) {
                exynos_state = to_exynos_plane_state(plane->state);
                if (exynos_state->base.fb)
-                       drm_framebuffer_unreference(exynos_state->base.fb);
+                       drm_framebuffer_put(exynos_state->base.fb);
                kfree(exynos_state);
                plane->state = NULL;
        }
index 1a76dd3d52e1dc5b63d81bd19b49e4120e23891d..a820a68429b9a8f56be132d251b2f4ea81f6c1b4 100644 (file)
@@ -168,9 +168,9 @@ static void rotator_dst_set_transf(struct rot_context *rot,
        val &= ~ROT_CONTROL_FLIP_MASK;
 
        if (rotation & DRM_MODE_REFLECT_X)
-               val |= ROT_CONTROL_FLIP_HORIZONTAL;
-       if (rotation & DRM_MODE_REFLECT_Y)
                val |= ROT_CONTROL_FLIP_VERTICAL;
+       if (rotation & DRM_MODE_REFLECT_Y)
+               val |= ROT_CONTROL_FLIP_HORIZONTAL;
 
        val &= ~ROT_CONTROL_ROT_MASK;
 
index 91d4382343d080abd4607fd78a58729878eda844..0ddb6eec7b113ea306fea4bde563e8ecb9945495 100644 (file)
@@ -30,6 +30,7 @@
 #define scaler_write(cfg, offset)      writel(cfg, scaler->regs + (offset))
 #define SCALER_MAX_CLK                 4
 #define SCALER_AUTOSUSPEND_DELAY       2000
+#define SCALER_RESET_WAIT_RETRIES      100
 
 struct scaler_data {
        const char      *clk_name[SCALER_MAX_CLK];
@@ -51,9 +52,9 @@ struct scaler_context {
 static u32 scaler_get_format(u32 drm_fmt)
 {
        switch (drm_fmt) {
-       case DRM_FORMAT_NV21:
-               return SCALER_YUV420_2P_UV;
        case DRM_FORMAT_NV12:
+               return SCALER_YUV420_2P_UV;
+       case DRM_FORMAT_NV21:
                return SCALER_YUV420_2P_VU;
        case DRM_FORMAT_YUV420:
                return SCALER_YUV420_3P;
@@ -63,15 +64,15 @@ static u32 scaler_get_format(u32 drm_fmt)
                return SCALER_YUV422_1P_UYVY;
        case DRM_FORMAT_YVYU:
                return SCALER_YUV422_1P_YVYU;
-       case DRM_FORMAT_NV61:
-               return SCALER_YUV422_2P_UV;
        case DRM_FORMAT_NV16:
+               return SCALER_YUV422_2P_UV;
+       case DRM_FORMAT_NV61:
                return SCALER_YUV422_2P_VU;
        case DRM_FORMAT_YUV422:
                return SCALER_YUV422_3P;
-       case DRM_FORMAT_NV42:
-               return SCALER_YUV444_2P_UV;
        case DRM_FORMAT_NV24:
+               return SCALER_YUV444_2P_UV;
+       case DRM_FORMAT_NV42:
                return SCALER_YUV444_2P_VU;
        case DRM_FORMAT_YUV444:
                return SCALER_YUV444_3P;
@@ -100,6 +101,23 @@ static u32 scaler_get_format(u32 drm_fmt)
        return 0;
 }
 
+static inline int scaler_reset(struct scaler_context *scaler)
+{
+       int retry = SCALER_RESET_WAIT_RETRIES;
+
+       scaler_write(SCALER_CFG_SOFT_RESET, SCALER_CFG);
+       do {
+               cpu_relax();
+       } while (retry > 1 &&
+                scaler_read(SCALER_CFG) & SCALER_CFG_SOFT_RESET);
+       do {
+               cpu_relax();
+               scaler_write(1, SCALER_INT_EN);
+       } while (retry > 0 && scaler_read(SCALER_INT_EN) != 1);
+
+       return retry ? 0 : -EIO;
+}
+
 static inline void scaler_enable_int(struct scaler_context *scaler)
 {
        u32 val;
@@ -354,9 +372,13 @@ static int scaler_commit(struct exynos_drm_ipp *ipp,
        u32 dst_fmt = scaler_get_format(task->dst.buf.fourcc);
        struct drm_exynos_ipp_task_rect *dst_pos = &task->dst.rect;
 
-       scaler->task = task;
-
        pm_runtime_get_sync(scaler->dev);
+       if (scaler_reset(scaler)) {
+               pm_runtime_put(scaler->dev);
+               return -EIO;
+       }
+
+       scaler->task = task;
 
        scaler_set_src_fmt(scaler, src_fmt);
        scaler_set_src_base(scaler, &task->src);
@@ -394,7 +416,11 @@ static inline void scaler_disable_int(struct scaler_context *scaler)
 
 static inline u32 scaler_get_int_status(struct scaler_context *scaler)
 {
-       return scaler_read(SCALER_INT_STATUS);
+       u32 val = scaler_read(SCALER_INT_STATUS);
+
+       scaler_write(val, SCALER_INT_STATUS);
+
+       return val;
 }
 
 static inline int scaler_task_done(u32 val)
index 4704a993cbb7f003a51b901ae9b291a9adc9fe09..16b39734115c93855d82a5de94e16cc5e2570940 100644 (file)
 #define GSC_OUT_YUV420_3P              (3 << 4)
 #define GSC_OUT_YUV422_1P              (4 << 4)
 #define GSC_OUT_YUV422_2P              (5 << 4)
+#define GSC_OUT_YUV422_3P              (6 << 4)
 #define GSC_OUT_YUV444                 (7 << 4)
 #define GSC_OUT_TILE_TYPE_MASK         (1 << 2)
 #define GSC_OUT_TILE_C_16x8            (0 << 2)
index 6d8180e8d1e21a71916e8b6cad404dab8d8c3257..4b072ade8c389372bcf1e161f6257305dec043bd 100644 (file)
@@ -196,7 +196,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
                        ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
                        TRANS_DDI_PORT_MASK);
                vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
-                       (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
+                       (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
                        (PORT_B << TRANS_DDI_PORT_SHIFT) |
                        TRANS_DDI_FUNC_ENABLE);
                if (IS_BROADWELL(dev_priv)) {
@@ -216,7 +216,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
                        ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
                        TRANS_DDI_PORT_MASK);
                vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
-                       (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
+                       (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
                        (PORT_C << TRANS_DDI_PORT_SHIFT) |
                        TRANS_DDI_FUNC_ENABLE);
                if (IS_BROADWELL(dev_priv)) {
@@ -236,7 +236,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
                        ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
                        TRANS_DDI_PORT_MASK);
                vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |=
-                       (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
+                       (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DVI |
                        (PORT_D << TRANS_DDI_PORT_SHIFT) |
                        TRANS_DDI_FUNC_ENABLE);
                if (IS_BROADWELL(dev_priv)) {
index 23296547da95e8634c3bbaa401225c2d415498d5..4efec8fa6c1d30aa9c7853131ad299fb8bbef169 100644 (file)
@@ -1592,6 +1592,7 @@ static struct intel_vgpu_mm *intel_vgpu_create_ggtt_mm(struct intel_vgpu *vgpu)
                vgpu_free_mm(mm);
                return ERR_PTR(-ENOMEM);
        }
+       mm->ggtt_mm.last_partial_off = -1UL;
 
        return mm;
 }
@@ -1616,6 +1617,7 @@ void _intel_vgpu_mm_release(struct kref *mm_ref)
                invalidate_ppgtt_mm(mm);
        } else {
                vfree(mm->ggtt_mm.virtual_ggtt);
+               mm->ggtt_mm.last_partial_off = -1UL;
        }
 
        vgpu_free_mm(mm);
@@ -1868,6 +1870,62 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
        memcpy((void *)&e.val64 + (off & (info->gtt_entry_size - 1)), p_data,
                        bytes);
 
+       /* If ggtt entry size is 8 bytes, and it's split into two 4 bytes
+        * write, we assume the two 4 bytes writes are consecutive.
+        * Otherwise, we abort and report error
+        */
+       if (bytes < info->gtt_entry_size) {
+               if (ggtt_mm->ggtt_mm.last_partial_off == -1UL) {
+                       /* the first partial part*/
+                       ggtt_mm->ggtt_mm.last_partial_off = off;
+                       ggtt_mm->ggtt_mm.last_partial_data = e.val64;
+                       return 0;
+               } else if ((g_gtt_index ==
+                               (ggtt_mm->ggtt_mm.last_partial_off >>
+                               info->gtt_entry_size_shift)) &&
+                       (off != ggtt_mm->ggtt_mm.last_partial_off)) {
+                       /* the second partial part */
+
+                       int last_off = ggtt_mm->ggtt_mm.last_partial_off &
+                               (info->gtt_entry_size - 1);
+
+                       memcpy((void *)&e.val64 + last_off,
+                               (void *)&ggtt_mm->ggtt_mm.last_partial_data +
+                               last_off, bytes);
+
+                       ggtt_mm->ggtt_mm.last_partial_off = -1UL;
+               } else {
+                       int last_offset;
+
+                       gvt_vgpu_err("failed to populate guest ggtt entry: abnormal ggtt entry write sequence, last_partial_off=%lx, offset=%x, bytes=%d, ggtt entry size=%d\n",
+                                       ggtt_mm->ggtt_mm.last_partial_off, off,
+                                       bytes, info->gtt_entry_size);
+
+                       /* set host ggtt entry to scratch page and clear
+                        * virtual ggtt entry as not present for last
+                        * partially write offset
+                        */
+                       last_offset = ggtt_mm->ggtt_mm.last_partial_off &
+                                       (~(info->gtt_entry_size - 1));
+
+                       ggtt_get_host_entry(ggtt_mm, &m, last_offset);
+                       ggtt_invalidate_pte(vgpu, &m);
+                       ops->set_pfn(&m, gvt->gtt.scratch_mfn);
+                       ops->clear_present(&m);
+                       ggtt_set_host_entry(ggtt_mm, &m, last_offset);
+                       ggtt_invalidate(gvt->dev_priv);
+
+                       ggtt_get_guest_entry(ggtt_mm, &e, last_offset);
+                       ops->clear_present(&e);
+                       ggtt_set_guest_entry(ggtt_mm, &e, last_offset);
+
+                       ggtt_mm->ggtt_mm.last_partial_off = off;
+                       ggtt_mm->ggtt_mm.last_partial_data = e.val64;
+
+                       return 0;
+               }
+       }
+
        if (ops->test_present(&e)) {
                gfn = ops->get_pfn(&e);
                m = e;
index 3792f2b7f4ff0686832458efcf533248c4aa356d..97e62647418a0a48fa1d1da6ace5a800f7d0de23 100644 (file)
@@ -150,6 +150,8 @@ struct intel_vgpu_mm {
                } ppgtt_mm;
                struct {
                        void *virtual_ggtt;
+                       unsigned long last_partial_off;
+                       u64 last_partial_data;
                } ggtt_mm;
        };
 };
index 7014a96546f42eb438ef1b53e1b9ea986ea62d1a..52f3b91d14fd00f7751c874600a4763eadaee8bf 100644 (file)
@@ -2245,9 +2245,6 @@ static inline struct scatterlist *____sg_next(struct scatterlist *sg)
  **/
 static inline struct scatterlist *__sg_next(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        return sg_is_last(sg) ? NULL : ____sg_next(sg);
 }
 
index d44ad7bc1e945bce0351cac4b75762d0e9cb2413..17c5097721e8f27795dae3487a21fb59d9ec75a9 100644 (file)
@@ -2002,7 +2002,6 @@ int i915_gem_fault(struct vm_fault *vmf)
        bool write = !!(vmf->flags & FAULT_FLAG_WRITE);
        struct i915_vma *vma;
        pgoff_t page_offset;
-       unsigned int flags;
        int ret;
 
        /* We don't use vmf->pgoff since that has the fake offset */
@@ -2038,27 +2037,34 @@ int i915_gem_fault(struct vm_fault *vmf)
                goto err_unlock;
        }
 
-       /* If the object is smaller than a couple of partial vma, it is
-        * not worth only creating a single partial vma - we may as well
-        * clear enough space for the full object.
-        */
-       flags = PIN_MAPPABLE;
-       if (obj->base.size > 2 * MIN_CHUNK_PAGES << PAGE_SHIFT)
-               flags |= PIN_NONBLOCK | PIN_NONFAULT;
 
        /* Now pin it into the GTT as needed */
-       vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, flags);
+       vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0,
+                                      PIN_MAPPABLE |
+                                      PIN_NONBLOCK |
+                                      PIN_NONFAULT);
        if (IS_ERR(vma)) {
                /* Use a partial view if it is bigger than available space */
                struct i915_ggtt_view view =
                        compute_partial_view(obj, page_offset, MIN_CHUNK_PAGES);
+               unsigned int flags;
 
-               /* Userspace is now writing through an untracked VMA, abandon
+               flags = PIN_MAPPABLE;
+               if (view.type == I915_GGTT_VIEW_NORMAL)
+                       flags |= PIN_NONBLOCK; /* avoid warnings for pinned */
+
+               /*
+                * Userspace is now writing through an untracked VMA, abandon
                 * all hope that the hardware is able to track future writes.
                 */
                obj->frontbuffer_ggtt_origin = ORIGIN_CPU;
 
-               vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, PIN_MAPPABLE);
+               vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, flags);
+               if (IS_ERR(vma) && !view.type) {
+                       flags = PIN_MAPPABLE;
+                       view.type = I915_GGTT_VIEW_PARTIAL;
+                       vma = i915_gem_object_ggtt_pin(obj, &view, 0, 0, flags);
+               }
        }
        if (IS_ERR(vma)) {
                ret = PTR_ERR(vma);
index 9324d476e0a7c356b39cb02374e904a2b0a95262..0531c01c3604663c9166e593d2c26fd45cbd0361 100644 (file)
@@ -109,7 +109,7 @@ vma_create(struct drm_i915_gem_object *obj,
                                                     obj->base.size >> PAGE_SHIFT));
                        vma->size = view->partial.size;
                        vma->size <<= PAGE_SHIFT;
-                       GEM_BUG_ON(vma->size >= obj->base.size);
+                       GEM_BUG_ON(vma->size > obj->base.size);
                } else if (view->type == I915_GGTT_VIEW_ROTATED) {
                        vma->size = intel_rotation_info_size(&view->rotated);
                        vma->size <<= PAGE_SHIFT;
index 32b1a6cdecfc05133147e6ff85c959f4668362f1..d3443125e66164a863fb41bfdb435a1ce13340b6 100644 (file)
@@ -197,8 +197,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
        priv->io_base = regs;
 
        res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi");
-       if (!res)
-               return -EINVAL;
+       if (!res) {
+               ret = -EINVAL;
+               goto free_drm;
+       }
        /* Simply ioremap since it may be a shared register zone */
        regs = devm_ioremap(dev, res->start, resource_size(res));
        if (!regs) {
@@ -215,8 +217,10 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
        }
 
        res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
-       if (!res)
-               return -EINVAL;
+       if (!res) {
+               ret = -EINVAL;
+               goto free_drm;
+       }
        /* Simply ioremap since it may be a shared register zone */
        regs = devm_ioremap(dev, res->start, resource_size(res));
        if (!regs) {
index 2ebdc6d5a76e60a33d6a271ff158258a61b7908c..d5583190f3e44de77560d76c2d5a5a4cf7db62de 100644 (file)
@@ -137,7 +137,10 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
 
        if (cmd > (char *) urb->transfer_buffer) {
                /* Send partial buffer remaining before exiting */
-               int len = cmd - (char *) urb->transfer_buffer;
+               int len;
+               if (cmd < (char *) urb->transfer_buffer + urb->transfer_buffer_length)
+                       *cmd++ = 0xAF;
+               len = cmd - (char *) urb->transfer_buffer;
                ret = udl_submit_urb(dev, urb, len);
                bytes_sent += len;
        } else
index 0c87b1ac6b68f0d41cfd01851a14b9a092455f4f..b992644c17e6b565b414351b1e262d4b61c9f38d 100644 (file)
@@ -153,11 +153,11 @@ static void udl_compress_hline16(
                raw_pixels_count_byte = cmd++; /*  we'll know this later */
                raw_pixel_start = pixel;
 
-               cmd_pixel_end = pixel + (min(MAX_CMD_PIXELS + 1,
-                       min((int)(pixel_end - pixel) / bpp,
-                           (int)(cmd_buffer_end - cmd) / 2))) * bpp;
+               cmd_pixel_end = pixel + min3(MAX_CMD_PIXELS + 1UL,
+                                       (unsigned long)(pixel_end - pixel) / bpp,
+                                       (unsigned long)(cmd_buffer_end - 1 - cmd) / 2) * bpp;
 
-               prefetch_range((void *) pixel, (cmd_pixel_end - pixel) * bpp);
+               prefetch_range((void *) pixel, cmd_pixel_end - pixel);
                pixel_val16 = get_pixel_val16(pixel, bpp);
 
                while (pixel < cmd_pixel_end) {
@@ -193,6 +193,9 @@ static void udl_compress_hline16(
                if (pixel > raw_pixel_start) {
                        /* finalize last RAW span */
                        *raw_pixels_count_byte = ((pixel-raw_pixel_start) / bpp) & 0xFF;
+               } else {
+                       /* undo unused byte */
+                       cmd--;
                }
 
                *cmd_pixels_count_byte = ((pixel - cmd_pixel_start) / bpp) & 0xFF;
index f858cc72011d183fa11892fb152e0d9b705c3059..3942ee61bd1c17e57867a7d8e5f521b5f8eae9b8 100644 (file)
@@ -1952,6 +1952,8 @@ static int hid_device_probe(struct device *dev)
        }
        hdev->io_started = false;
 
+       clear_bit(ffs(HID_STAT_REPROBED), &hdev->status);
+
        if (!hdev->driver) {
                id = hid_match_device(hdev, hdrv);
                if (id == NULL) {
@@ -2215,7 +2217,8 @@ static int __hid_bus_reprobe_drivers(struct device *dev, void *data)
        struct hid_device *hdev = to_hid_device(dev);
 
        if (hdev->driver == hdrv &&
-           !hdrv->match(hdev, hid_ignore_special_drivers))
+           !hdrv->match(hdev, hid_ignore_special_drivers) &&
+           !test_and_set_bit(ffs(HID_STAT_REPROBED), &hdev->status))
                return device_reprobe(dev);
 
        return 0;
index 8469b6964ff64e45f7807641ef8eda8197f8f81f..b48100236df890cdd1bbffa0daac97257357a38d 100644 (file)
@@ -1154,6 +1154,8 @@ copy_rest:
                        goto out;
                if (list->tail > list->head) {
                        len = list->tail - list->head;
+                       if (len > count)
+                               len = count;
 
                        if (copy_to_user(buffer + ret, &list->hid_debug_buf[list->head], len)) {
                                ret = -EFAULT;
@@ -1163,6 +1165,8 @@ copy_rest:
                        list->head += len;
                } else {
                        len = HID_DEBUG_BUFSIZE - list->head;
+                       if (len > count)
+                               len = count;
 
                        if (copy_to_user(buffer, &list->hid_debug_buf[list->head], len)) {
                                ret = -EFAULT;
@@ -1170,7 +1174,9 @@ copy_rest:
                        }
                        list->head = 0;
                        ret += len;
-                       goto copy_rest;
+                       count -= len;
+                       if (count > 0)
+                               goto copy_rest;
                }
 
        }
index c1652bb7bd156e298514bcc63ce818ea49e6d7c6..eae0cb3ddec668e8d2f82b1d571bb826b0fb1dd5 100644 (file)
@@ -484,7 +484,7 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
                return;
        }
 
-       if ((ret_size > size) || (ret_size <= 2)) {
+       if ((ret_size > size) || (ret_size < 2)) {
                dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
                        __func__, size, ret_size);
                return;
index e3ce233f8bdcc5bdcae97ffa217f65e022938b0e..23872d08308cdb5857d53b5bcdf907e20d74c345 100644 (file)
@@ -36,6 +36,7 @@
 #include <linux/hiddev.h>
 #include <linux/compat.h>
 #include <linux/vmalloc.h>
+#include <linux/nospec.h>
 #include "usbhid.h"
 
 #ifdef CONFIG_USB_DYNAMIC_MINORS
@@ -469,10 +470,14 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
 
                if (uref->field_index >= report->maxfield)
                        goto inval;
+               uref->field_index = array_index_nospec(uref->field_index,
+                                                      report->maxfield);
 
                field = report->field[uref->field_index];
                if (uref->usage_index >= field->maxusage)
                        goto inval;
+               uref->usage_index = array_index_nospec(uref->usage_index,
+                                                      field->maxusage);
 
                uref->usage_code = field->usage[uref->usage_index].hid;
 
@@ -499,6 +504,8 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
 
                        if (uref->field_index >= report->maxfield)
                                goto inval;
+                       uref->field_index = array_index_nospec(uref->field_index,
+                                                              report->maxfield);
 
                        field = report->field[uref->field_index];
 
@@ -753,6 +760,8 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
                if (finfo.field_index >= report->maxfield)
                        break;
+               finfo.field_index = array_index_nospec(finfo.field_index,
+                                                      report->maxfield);
 
                field = report->field[finfo.field_index];
                memset(&finfo, 0, sizeof(finfo));
@@ -797,6 +806,8 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
                if (cinfo.index >= hid->maxcollection)
                        break;
+               cinfo.index = array_index_nospec(cinfo.index,
+                                                hid->maxcollection);
 
                cinfo.type = hid->collection[cinfo.index].type;
                cinfo.usage = hid->collection[cinfo.index].usage;
index 0bb44d0088edb5f8bd8da44a23c57095db14bb68..ad7afa74d3657d902cf655ef6f1467854625b98b 100644 (file)
@@ -3365,8 +3365,14 @@ void wacom_setup_device_quirks(struct wacom *wacom)
                        if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
                                features->device_type |= WACOM_DEVICETYPE_PAD;
 
-                       features->x_max = 4096;
-                       features->y_max = 4096;
+                       if (features->type == INTUOSHT2) {
+                               features->x_max = features->x_max / 10;
+                               features->y_max = features->y_max / 10;
+                       }
+                       else {
+                               features->x_max = 4096;
+                               features->y_max = 4096;
+                       }
                }
                else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
                        features->device_type |= WACOM_DEVICETYPE_PAD;
index 4a34f311e1ff4df2cd6cdfcff7ea1662c95a06eb..6ec65adaba49569ab7b9775f856859a0fcfbd967 100644 (file)
@@ -647,10 +647,10 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
        if (bit_adap->getscl == NULL)
                adap->quirks = &i2c_bit_quirk_no_clk_stretch;
 
-       /* Bring bus to a known state. Looks like STOP if bus is not free yet */
-       setscl(bit_adap, 1);
-       udelay(bit_adap->udelay);
-       setsda(bit_adap, 1);
+       /*
+        * We tried forcing SCL/SDA to an initial state here. But that caused a
+        * regression, sadly. Check Bugzilla #200045 for details.
+        */
 
        ret = add_adapter(adap);
        if (ret < 0)
index 44cffad43701f4839096bbde5c5937ee22cce135..c4d176f5ed793c76c78c412d081c21bc8dff2327 100644 (file)
@@ -234,7 +234,8 @@ static const struct irq_chip cht_wc_i2c_irq_chip = {
        .name                   = "cht_wc_ext_chrg_irq_chip",
 };
 
-static const char * const bq24190_suppliers[] = { "fusb302-typec-source" };
+static const char * const bq24190_suppliers[] = {
+       "tcpm-source-psy-i2c-fusb302" };
 
 static const struct property_entry bq24190_props[] = {
        PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),
index 005e6e0330c278276a0d602fcfebdc3429218cfd..66f85bbf35917161cc36e4ffb308d78b8401c0cb 100644 (file)
@@ -279,9 +279,9 @@ static int i2c_gpio_probe(struct platform_device *pdev)
         * required for an I2C bus.
         */
        if (pdata->scl_is_open_drain)
-               gflags = GPIOD_OUT_LOW;
+               gflags = GPIOD_OUT_HIGH;
        else
-               gflags = GPIOD_OUT_LOW_OPEN_DRAIN;
+               gflags = GPIOD_OUT_HIGH_OPEN_DRAIN;
        priv->scl = i2c_gpio_get_desc(dev, "scl", 1, gflags);
        if (IS_ERR(priv->scl))
                return PTR_ERR(priv->scl);
index f3f683041e7f9199ad5799ef5c8fd83f59fc9856..51970bae3c4a5a4d08f03ae558816fd9c264996b 100644 (file)
@@ -465,15 +465,18 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
 
        status = i2c_transfer(adapter, msg, num);
        if (status < 0)
-               return status;
-       if (status != num)
-               return -EIO;
+               goto cleanup;
+       if (status != num) {
+               status = -EIO;
+               goto cleanup;
+       }
+       status = 0;
 
        /* Check PEC if last message is a read */
        if (i && (msg[num-1].flags & I2C_M_RD)) {
                status = i2c_smbus_check_pec(partial_pec, &msg[num-1]);
                if (status < 0)
-                       return status;
+                       goto cleanup;
        }
 
        if (read_write == I2C_SMBUS_READ)
@@ -499,12 +502,13 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
                        break;
                }
 
+cleanup:
        if (msg[0].flags & I2C_M_DMA_SAFE)
                kfree(msg[0].buf);
        if (msg[1].flags & I2C_M_DMA_SAFE)
                kfree(msg[1].buf);
 
-       return 0;
+       return status;
 }
 
 /**
index 7e3d82cff3d5f2537608c0a21d9bf277767e7bd8..c149c9c360fc4f265ce1e406e1dd8ba7ae5615d8 100644 (file)
@@ -1053,7 +1053,7 @@ static irqreturn_t mma8452_interrupt(int irq, void *p)
        if (src < 0)
                return IRQ_NONE;
 
-       if (!(src & data->chip_info->enabled_events))
+       if (!(src & (data->chip_info->enabled_events | MMA8452_INT_DRDY)))
                return IRQ_NONE;
 
        if (src & MMA8452_INT_DRDY) {
index f9c0624505a2993e3a48d9a581faa8a26e9287de..42618fe4f83ed82d0f50b92e884dd59a11a1df09 100644 (file)
@@ -959,6 +959,8 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
        }
 
        irq_type = irqd_get_trigger_type(desc);
+       if (!irq_type)
+               irq_type = IRQF_TRIGGER_RISING;
        if (irq_type == IRQF_TRIGGER_RISING)
                st->irq_mask = INV_MPU6050_ACTIVE_HIGH;
        else if (irq_type == IRQF_TRIGGER_FALLING)
index 34d42a2504c92bf43ee1216f1855e9febfd03161..df5b2a0da96c4a9c311ddd6da57f990f6d1f821f 100644 (file)
@@ -582,6 +582,8 @@ static int tsl2772_als_calibrate(struct iio_dev *indio_dev)
                        "%s: failed to get lux\n", __func__);
                return lux_val;
        }
+       if (lux_val == 0)
+               return -ERANGE;
 
        ret = (chip->settings.als_cal_target * chip->settings.als_gain_trim) /
                        lux_val;
index 5ec3e41b65f2b8f991626a4522d6263d66ca2a27..fe87d27779d96b99ce4f847c9a9e02a4a1a87aa7 100644 (file)
@@ -415,10 +415,9 @@ static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2)
        }
        comp_humidity = bmp280_compensate_humidity(data, adc_humidity);
 
-       *val = comp_humidity;
-       *val2 = 1024;
+       *val = comp_humidity * 1000 / 1024;
 
-       return IIO_VAL_FRACTIONAL;
+       return IIO_VAL_INT;
 }
 
 static int bmp280_read_raw(struct iio_dev *indio_dev,
index e3e330f59c2c01216f3e8e90a161c06c73c5e4ec..b3ba9a222550750f9c92a1ea8d1cf23b93e05d12 100644 (file)
@@ -6113,7 +6113,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
        dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
                             MLX5_CAP_GEN(mdev, num_vhca_ports));
 
-       if (MLX5_VPORT_MANAGER(mdev) &&
+       if (MLX5_ESWITCH_MANAGER(mdev) &&
            mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) {
                dev->rep = mlx5_ib_vport_rep(mdev->priv.eswitch, 0);
 
index cf30523c6ef64c956e5ebf77c730c6bb146c4a1f..6c7326c93721c495c4e61a73cac2dfaf9a5bc8fc 100644 (file)
@@ -131,8 +131,10 @@ EXPORT_SYMBOL(input_mt_destroy_slots);
  * inactive, or if the tool type is changed, a new tracking id is
  * assigned to the slot. The tool type is only reported if the
  * corresponding absbit field is set.
+ *
+ * Returns true if contact is active.
  */
-void input_mt_report_slot_state(struct input_dev *dev,
+bool input_mt_report_slot_state(struct input_dev *dev,
                                unsigned int tool_type, bool active)
 {
        struct input_mt *mt = dev->mt;
@@ -140,22 +142,24 @@ void input_mt_report_slot_state(struct input_dev *dev,
        int id;
 
        if (!mt)
-               return;
+               return false;
 
        slot = &mt->slots[mt->slot];
        slot->frame = mt->frame;
 
        if (!active) {
                input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1);
-               return;
+               return false;
        }
 
        id = input_mt_get_value(slot, ABS_MT_TRACKING_ID);
-       if (id < 0 || input_mt_get_value(slot, ABS_MT_TOOL_TYPE) != tool_type)
+       if (id < 0)
                id = input_mt_new_trkid(mt);
 
        input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id);
        input_event(dev, EV_ABS, ABS_MT_TOOL_TYPE, tool_type);
+
+       return true;
 }
 EXPORT_SYMBOL(input_mt_report_slot_state);
 
index 48e36acbeb496db7f5033029158a645f8d3cdb27..cd620e009bada3a8f8c1e70b99be25100bea9c44 100644 (file)
@@ -125,7 +125,7 @@ static const struct xpad_device {
        u8 mapping;
        u8 xtype;
 } xpad_device[] = {
-       { 0x0079, 0x18d4, "GPD Win 2 Controller", 0, XTYPE_XBOX360 },
+       { 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
        { 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
        { 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
        { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
index f6e643b589b616c61d1751005fedb3288f0ad82c..e8dae6195b30500934f23738f995201521e05160 100644 (file)
@@ -45,7 +45,7 @@ struct event_dev {
 static irqreturn_t events_interrupt(int irq, void *dev_id)
 {
        struct event_dev *edev = dev_id;
-       unsigned type, code, value;
+       unsigned int type, code, value;
 
        type = __raw_readl(edev->addr + REG_READ);
        code = __raw_readl(edev->addr + REG_READ);
@@ -57,7 +57,7 @@ static irqreturn_t events_interrupt(int irq, void *dev_id)
 }
 
 static void events_import_bits(struct event_dev *edev,
-                       unsigned long bits[], unsigned type, size_t count)
+                       unsigned long bits[], unsigned int type, size_t count)
 {
        void __iomem *addr = edev->addr;
        int i, j;
@@ -99,6 +99,7 @@ static void events_import_abs_params(struct event_dev *edev)
 
                for (j = 0; j < ARRAY_SIZE(val); j++) {
                        int offset = (i * ARRAY_SIZE(val) + j) * sizeof(u32);
+
                        val[j] = __raw_readl(edev->addr + REG_DATA + offset);
                }
 
@@ -112,7 +113,7 @@ static int events_probe(struct platform_device *pdev)
        struct input_dev *input_dev;
        struct event_dev *edev;
        struct resource *res;
-       unsigned keymapnamelen;
+       unsigned int keymapnamelen;
        void __iomem *addr;
        int irq;
        int i;
@@ -150,7 +151,7 @@ static int events_probe(struct platform_device *pdev)
        for (i = 0; i < keymapnamelen; i++)
                edev->name[i] = __raw_readb(edev->addr + REG_DATA + i);
 
-       pr_debug("events_probe() keymap=%s\n", edev->name);
+       pr_debug("%s: keymap=%s\n", __func__, edev->name);
 
        input_dev->name = edev->name;
        input_dev->id.bustype = BUS_HOST;
index c25606e006938743d64498429cf3d0b69768d7fb..ca59a2be9bc5344f65389ea7372a7740b74b5343 100644 (file)
@@ -841,4 +841,14 @@ config INPUT_RAVE_SP_PWRBUTTON
          To compile this driver as a module, choose M here: the
          module will be called rave-sp-pwrbutton.
 
+config INPUT_SC27XX_VIBRA
+       tristate "Spreadtrum sc27xx vibrator support"
+       depends on MFD_SC27XX_PMIC || COMPILE_TEST
+       select INPUT_FF_MEMLESS
+       help
+         This option enables support for Spreadtrum sc27xx vibrator driver.
+
+         To compile this driver as a module, choose M here. The module will
+         be called sc27xx_vibra.
+
 endif
index 72cde28649e2c0bc4fec14f6898445d2f79880dc..9d0f9d1ff68f41a5ec7f13101bb11176e8fd8729 100644 (file)
@@ -66,6 +66,7 @@ obj-$(CONFIG_INPUT_RETU_PWRBUTTON)    += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_AXP20X_PEK)         += axp20x-pek.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)        += rotary_encoder.o
 obj-$(CONFIG_INPUT_RK805_PWRKEY)       += rk805-pwrkey.o
+obj-$(CONFIG_INPUT_SC27XX_VIBRA)       += sc27xx-vibra.o
 obj-$(CONFIG_INPUT_SGI_BTNS)           += sgi_btns.o
 obj-$(CONFIG_INPUT_SIRFSOC_ONKEY)      += sirfsoc-onkey.o
 obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY)   += soc_button_array.o
diff --git a/drivers/input/misc/sc27xx-vibra.c b/drivers/input/misc/sc27xx-vibra.c
new file mode 100644 (file)
index 0000000..295251a
--- /dev/null
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Spreadtrum Communications Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+
+#define CUR_DRV_CAL_SEL                GENMASK(13, 12)
+#define SLP_LDOVIBR_PD_EN      BIT(9)
+#define LDO_VIBR_PD            BIT(8)
+
+struct vibra_info {
+       struct input_dev        *input_dev;
+       struct work_struct      play_work;
+       struct regmap           *regmap;
+       u32                     base;
+       u32                     strength;
+       bool                    enabled;
+};
+
+static void sc27xx_vibra_set(struct vibra_info *info, bool on)
+{
+       if (on) {
+               regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD, 0);
+               regmap_update_bits(info->regmap, info->base,
+                                  SLP_LDOVIBR_PD_EN, 0);
+               info->enabled = true;
+       } else {
+               regmap_update_bits(info->regmap, info->base, LDO_VIBR_PD,
+                                  LDO_VIBR_PD);
+               regmap_update_bits(info->regmap, info->base,
+                                  SLP_LDOVIBR_PD_EN, SLP_LDOVIBR_PD_EN);
+               info->enabled = false;
+       }
+}
+
+static int sc27xx_vibra_hw_init(struct vibra_info *info)
+{
+       return regmap_update_bits(info->regmap, info->base, CUR_DRV_CAL_SEL, 0);
+}
+
+static void sc27xx_vibra_play_work(struct work_struct *work)
+{
+       struct vibra_info *info = container_of(work, struct vibra_info,
+                                              play_work);
+
+       if (info->strength && !info->enabled)
+               sc27xx_vibra_set(info, true);
+       else if (info->strength == 0 && info->enabled)
+               sc27xx_vibra_set(info, false);
+}
+
+static int sc27xx_vibra_play(struct input_dev *input, void *data,
+                            struct ff_effect *effect)
+{
+       struct vibra_info *info = input_get_drvdata(input);
+
+       info->strength = effect->u.rumble.weak_magnitude;
+       schedule_work(&info->play_work);
+
+       return 0;
+}
+
+static void sc27xx_vibra_close(struct input_dev *input)
+{
+       struct vibra_info *info = input_get_drvdata(input);
+
+       cancel_work_sync(&info->play_work);
+       if (info->enabled)
+               sc27xx_vibra_set(info, false);
+}
+
+static int sc27xx_vibra_probe(struct platform_device *pdev)
+{
+       struct vibra_info *info;
+       int error;
+
+       info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+       if (!info)
+               return -ENOMEM;
+
+       info->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+       if (!info->regmap) {
+               dev_err(&pdev->dev, "failed to get vibrator regmap.\n");
+               return -ENODEV;
+       }
+
+       error = device_property_read_u32(&pdev->dev, "reg", &info->base);
+       if (error) {
+               dev_err(&pdev->dev, "failed to get vibrator base address.\n");
+               return error;
+       }
+
+       info->input_dev = devm_input_allocate_device(&pdev->dev);
+       if (!info->input_dev) {
+               dev_err(&pdev->dev, "failed to allocate input device.\n");
+               return -ENOMEM;
+       }
+
+       info->input_dev->name = "sc27xx:vibrator";
+       info->input_dev->id.version = 0;
+       info->input_dev->close = sc27xx_vibra_close;
+
+       input_set_drvdata(info->input_dev, info);
+       input_set_capability(info->input_dev, EV_FF, FF_RUMBLE);
+       INIT_WORK(&info->play_work, sc27xx_vibra_play_work);
+       info->enabled = false;
+
+       error = sc27xx_vibra_hw_init(info);
+       if (error) {
+               dev_err(&pdev->dev, "failed to initialize the vibrator.\n");
+               return error;
+       }
+
+       error = input_ff_create_memless(info->input_dev, NULL,
+                                       sc27xx_vibra_play);
+       if (error) {
+               dev_err(&pdev->dev, "failed to register vibrator to FF.\n");
+               return error;
+       }
+
+       error = input_register_device(info->input_dev);
+       if (error) {
+               dev_err(&pdev->dev, "failed to register input device.\n");
+               return error;
+       }
+
+       return 0;
+}
+
+static const struct of_device_id sc27xx_vibra_of_match[] = {
+       { .compatible = "sprd,sc2731-vibrator", },
+       {}
+};
+MODULE_DEVICE_TABLE(of, sc27xx_vibra_of_match);
+
+static struct platform_driver sc27xx_vibra_driver = {
+       .driver = {
+               .name = "sc27xx-vibrator",
+               .of_match_table = sc27xx_vibra_of_match,
+       },
+       .probe = sc27xx_vibra_probe,
+};
+
+module_platform_driver(sc27xx_vibra_driver);
+
+MODULE_DESCRIPTION("Spreadtrum SC27xx Vibrator Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Xiaotong Lu <xiaotong.lu@spreadtrum.com>");
index 599544c1a91cd365261b6ca2ec4e4f3149b0a63d..243e0fa6e3e3cb44ce22adc6e76421fda79f4ff2 100644 (file)
@@ -27,6 +27,8 @@
 #define ETP_DISABLE_POWER      0x0001
 #define ETP_PRESSURE_OFFSET    25
 
+#define ETP_CALIBRATE_MAX_LEN  3
+
 /* IAP Firmware handling */
 #define ETP_PRODUCT_ID_FORMAT_STRING   "%d.0"
 #define ETP_FW_NAME            "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
index 8ff75114e7626dc3d2fa23a1d3457f1802b2a628..1f9cd7d8b7ad35e982712e00e8e95369e55cd861 100644 (file)
@@ -613,7 +613,7 @@ static ssize_t calibrate_store(struct device *dev,
        int tries = 20;
        int retval;
        int error;
-       u8 val[3];
+       u8 val[ETP_CALIBRATE_MAX_LEN];
 
        retval = mutex_lock_interruptible(&data->sysfs_mutex);
        if (retval)
@@ -1345,6 +1345,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
        { "ELAN060C", 0 },
        { "ELAN0611", 0 },
        { "ELAN0612", 0 },
+       { "ELAN0618", 0 },
        { "ELAN1000", 0 },
        { }
 };
index cfcb32559925baf1acf070f908f3b91b1fc1b905..c060d270bc4d862ad7366bd87529dbdc032672b6 100644 (file)
@@ -56,7 +56,7 @@
 static int elan_smbus_initialize(struct i2c_client *client)
 {
        u8 check[ETP_SMBUS_HELLOPACKET_LEN] = { 0x55, 0x55, 0x55, 0x55, 0x55 };
-       u8 values[ETP_SMBUS_HELLOPACKET_LEN] = { 0, 0, 0, 0, 0 };
+       u8 values[I2C_SMBUS_BLOCK_MAX] = {0};
        int len, error;
 
        /* Get hello packet */
@@ -117,12 +117,16 @@ static int elan_smbus_calibrate(struct i2c_client *client)
 static int elan_smbus_calibrate_result(struct i2c_client *client, u8 *val)
 {
        int error;
+       u8 buf[I2C_SMBUS_BLOCK_MAX] = {0};
+
+       BUILD_BUG_ON(ETP_CALIBRATE_MAX_LEN > sizeof(buf));
 
        error = i2c_smbus_read_block_data(client,
-                                         ETP_SMBUS_CALIBRATE_QUERY, val);
+                                         ETP_SMBUS_CALIBRATE_QUERY, buf);
        if (error < 0)
                return error;
 
+       memcpy(val, buf, ETP_CALIBRATE_MAX_LEN);
        return 0;
 }
 
@@ -472,6 +476,8 @@ static int elan_smbus_get_report(struct i2c_client *client, u8 *report)
 {
        int len;
 
+       BUILD_BUG_ON(I2C_SMBUS_BLOCK_MAX > ETP_SMBUS_REPORT_LEN);
+
        len = i2c_smbus_read_block_data(client,
                                        ETP_SMBUS_PACKET_QUERY,
                                        &report[ETP_SMBUS_REPORT_OFFSET]);
index fb4d902c440345d3cbc02329ed742d48b931dc85..dd85b16dc6f889bb366a10cbd4278234d3f9763c 100644 (file)
@@ -799,7 +799,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
        else if (ic_version == 7 && etd->info.samples[1] == 0x2A)
                sanity_check = ((packet[3] & 0x1c) == 0x10);
        else
-               sanity_check = ((packet[0] & 0x0c) == 0x04 &&
+               sanity_check = ((packet[0] & 0x08) == 0x00 &&
                                (packet[3] & 0x1c) == 0x10);
 
        if (!sanity_check)
@@ -1175,6 +1175,12 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
        { }
 };
 
+static const char * const middle_button_pnp_ids[] = {
+       "LEN2131", /* ThinkPad P52 w/ NFC */
+       "LEN2132", /* ThinkPad P52 */
+       NULL
+};
+
 /*
  * Set the appropriate event bits for the input subsystem
  */
@@ -1194,7 +1200,8 @@ static int elantech_set_input_params(struct psmouse *psmouse)
        __clear_bit(EV_REL, dev->evbit);
 
        __set_bit(BTN_LEFT, dev->keybit);
-       if (dmi_check_system(elantech_dmi_has_middle_button))
+       if (dmi_check_system(elantech_dmi_has_middle_button) ||
+                       psmouse_matches_pnp_id(psmouse, middle_button_pnp_ids))
                __set_bit(BTN_MIDDLE, dev->keybit);
        __set_bit(BTN_RIGHT, dev->keybit);
 
index 5ff5b1952be0c7afe810cef7f6f086f71928e150..d3ff1fc09af712700507d05ac3548703e49173a1 100644 (file)
@@ -192,8 +192,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
                        else
                                input_report_rel(dev, REL_WHEEL, -wheel);
 
-                       input_report_key(dev, BTN_SIDE,  BIT(4));
-                       input_report_key(dev, BTN_EXTRA, BIT(5));
+                       input_report_key(dev, BTN_SIDE,  packet[3] & BIT(4));
+                       input_report_key(dev, BTN_EXTRA, packet[3] & BIT(5));
                        break;
                }
                break;
@@ -203,13 +203,13 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
                input_report_rel(dev, REL_WHEEL, -(s8) packet[3]);
 
                /* Extra buttons on Genius NewNet 3D */
-               input_report_key(dev, BTN_SIDE,  BIT(6));
-               input_report_key(dev, BTN_EXTRA, BIT(7));
+               input_report_key(dev, BTN_SIDE,  packet[0] & BIT(6));
+               input_report_key(dev, BTN_EXTRA, packet[0] & BIT(7));
                break;
 
        case PSMOUSE_THINKPS:
                /* Extra button on ThinkingMouse */
-               input_report_key(dev, BTN_EXTRA, BIT(3));
+               input_report_key(dev, BTN_EXTRA, packet[0] & BIT(3));
 
                /*
                 * Without this bit of weirdness moving up gives wildly
@@ -223,7 +223,7 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
                 * Cortron PS2 Trackball reports SIDE button in the
                 * 4th bit of the first byte.
                 */
-               input_report_key(dev, BTN_SIDE, BIT(3));
+               input_report_key(dev, BTN_SIDE, packet[0] & BIT(3));
                packet[0] |= BIT(3);
                break;
 
index 7172b88cd0649c8de16ac7373ec2a16c42c338d2..fad2eae4a118e793e617a86a52b28351ef4fafed 100644 (file)
@@ -3,6 +3,7 @@
 #
 config RMI4_CORE
        tristate "Synaptics RMI4 bus support"
+       select IRQ_DOMAIN
        help
          Say Y here if you want to support the Synaptics RMI4 bus.  This is
          required for all RMI4 device support.
index 8bb866c7b9855c5025d31b7be3f722d469f73da9..8eeffa066022dadb9f718f77aab1609700f05543 100644 (file)
@@ -32,15 +32,15 @@ void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
        if (obj->type == RMI_2D_OBJECT_NONE)
                return;
 
-       if (axis_align->swap_axes)
-               swap(obj->x, obj->y);
-
        if (axis_align->flip_x)
                obj->x = sensor->max_x - obj->x;
 
        if (axis_align->flip_y)
                obj->y = sensor->max_y - obj->y;
 
+       if (axis_align->swap_axes)
+               swap(obj->x, obj->y);
+
        /*
         * Here checking if X offset or y offset are specified is
         * redundant. We just add the offsets or clip the values.
@@ -120,15 +120,15 @@ void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y)
        x = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)x));
        y = min(RMI_2D_REL_POS_MAX, max(RMI_2D_REL_POS_MIN, (int)y));
 
-       if (axis_align->swap_axes)
-               swap(x, y);
-
        if (axis_align->flip_x)
                x = min(RMI_2D_REL_POS_MAX, -x);
 
        if (axis_align->flip_y)
                y = min(RMI_2D_REL_POS_MAX, -y);
 
+       if (axis_align->swap_axes)
+               swap(x, y);
+
        if (x || y) {
                input_report_rel(sensor->input, REL_X, x);
                input_report_rel(sensor->input, REL_Y, y);
@@ -141,17 +141,10 @@ static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
        struct input_dev *input = sensor->input;
        int res_x;
        int res_y;
+       int max_x, max_y;
        int input_flags = 0;
 
        if (sensor->report_abs) {
-               if (sensor->axis_align.swap_axes) {
-                       swap(sensor->max_x, sensor->max_y);
-                       swap(sensor->axis_align.clip_x_low,
-                            sensor->axis_align.clip_y_low);
-                       swap(sensor->axis_align.clip_x_high,
-                            sensor->axis_align.clip_y_high);
-               }
-
                sensor->min_x = sensor->axis_align.clip_x_low;
                if (sensor->axis_align.clip_x_high)
                        sensor->max_x = min(sensor->max_x,
@@ -163,14 +156,19 @@ static void rmi_2d_sensor_set_input_params(struct rmi_2d_sensor *sensor)
                                sensor->axis_align.clip_y_high);
 
                set_bit(EV_ABS, input->evbit);
-               input_set_abs_params(input, ABS_MT_POSITION_X, 0, sensor->max_x,
-                                       0, 0);
-               input_set_abs_params(input, ABS_MT_POSITION_Y, 0, sensor->max_y,
-                                       0, 0);
+
+               max_x = sensor->max_x;
+               max_y = sensor->max_y;
+               if (sensor->axis_align.swap_axes)
+                       swap(max_x, max_y);
+               input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_x, 0, 0);
+               input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_y, 0, 0);
 
                if (sensor->x_mm && sensor->y_mm) {
                        res_x = (sensor->max_x - sensor->min_x) / sensor->x_mm;
                        res_y = (sensor->max_y - sensor->min_y) / sensor->y_mm;
+                       if (sensor->axis_align.swap_axes)
+                               swap(res_x, res_y);
 
                        input_abs_set_res(input, ABS_X, res_x);
                        input_abs_set_res(input, ABS_Y, res_y);
index c5fa53adba8d01318cfeacea440360c51c044a7d..bd0d5ff01b08f9c88920b03f56dbb4a3eed21af3 100644 (file)
@@ -9,6 +9,8 @@
 
 #include <linux/kernel.h>
 #include <linux/device.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/list.h>
 #include <linux/pm.h>
 #include <linux/rmi.h>
@@ -167,6 +169,39 @@ static inline void rmi_function_of_probe(struct rmi_function *fn)
 {}
 #endif
 
+static struct irq_chip rmi_irq_chip = {
+       .name = "rmi4",
+};
+
+static int rmi_create_function_irq(struct rmi_function *fn,
+                                  struct rmi_function_handler *handler)
+{
+       struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev);
+       int i, error;
+
+       for (i = 0; i < fn->num_of_irqs; i++) {
+               set_bit(fn->irq_pos + i, fn->irq_mask);
+
+               fn->irq[i] = irq_create_mapping(drvdata->irqdomain,
+                                               fn->irq_pos + i);
+
+               irq_set_chip_data(fn->irq[i], fn);
+               irq_set_chip_and_handler(fn->irq[i], &rmi_irq_chip,
+                                        handle_simple_irq);
+               irq_set_nested_thread(fn->irq[i], 1);
+
+               error = devm_request_threaded_irq(&fn->dev, fn->irq[i], NULL,
+                                       handler->attention, IRQF_ONESHOT,
+                                       dev_name(&fn->dev), fn);
+               if (error) {
+                       dev_err(&fn->dev, "Error %d registering IRQ\n", error);
+                       return error;
+               }
+       }
+
+       return 0;
+}
+
 static int rmi_function_probe(struct device *dev)
 {
        struct rmi_function *fn = to_rmi_function(dev);
@@ -178,7 +213,14 @@ static int rmi_function_probe(struct device *dev)
 
        if (handler->probe) {
                error = handler->probe(fn);
-               return error;
+               if (error)
+                       return error;
+       }
+
+       if (fn->num_of_irqs && handler->attention) {
+               error = rmi_create_function_irq(fn, handler);
+               if (error)
+                       return error;
        }
 
        return 0;
@@ -230,12 +272,18 @@ err_put_device:
 
 void rmi_unregister_function(struct rmi_function *fn)
 {
+       int i;
+
        rmi_dbg(RMI_DEBUG_CORE, &fn->dev, "Unregistering F%02X.\n",
                        fn->fd.function_number);
 
        device_del(&fn->dev);
        of_node_put(fn->dev.of_node);
        put_device(&fn->dev);
+
+       for (i = 0; i < fn->num_of_irqs; i++)
+               irq_dispose_mapping(fn->irq[i]);
+
 }
 
 /**
index b7625a9ac66ab5384727cc83496223be3aedbe92..96383eab41ba1d850468a64e7ced8a3f1bf72ff6 100644 (file)
 
 struct rmi_device;
 
+/*
+ * The interrupt source count in the function descriptor can represent up to
+ * 6 interrupt sources in the normal manner.
+ */
+#define RMI_FN_MAX_IRQS        6
+
 /**
  * struct rmi_function - represents the implementation of an RMI4
  * function for a particular device (basically, a driver for that RMI4 function)
@@ -26,6 +32,7 @@ struct rmi_device;
  * @irq_pos: The position in the irq bitfield this function holds
  * @irq_mask: For convenience, can be used to mask IRQ bits off during ATTN
  * interrupt handling.
+ * @irqs: assigned virq numbers (up to num_of_irqs)
  *
  * @node: entry in device's list of functions
  */
@@ -36,6 +43,7 @@ struct rmi_function {
        struct list_head node;
 
        unsigned int num_of_irqs;
+       int irq[RMI_FN_MAX_IRQS];
        unsigned int irq_pos;
        unsigned long irq_mask[];
 };
@@ -76,7 +84,7 @@ struct rmi_function_handler {
        void (*remove)(struct rmi_function *fn);
        int (*config)(struct rmi_function *fn);
        int (*reset)(struct rmi_function *fn);
-       int (*attention)(struct rmi_function *fn, unsigned long *irq_bits);
+       irqreturn_t (*attention)(int irq, void *ctx);
        int (*suspend)(struct rmi_function *fn);
        int (*resume)(struct rmi_function *fn);
 };
index 7d29053dfb0f06878ff7897b59f52039a299a089..fc3ab93b7aea454475ee324eecee91470c4a9dc3 100644 (file)
@@ -21,6 +21,7 @@
 #include <linux/pm.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/irqdomain.h>
 #include <uapi/linux/input.h>
 #include <linux/rmi.h>
 #include "rmi_bus.h"
@@ -127,28 +128,11 @@ static int rmi_driver_process_config_requests(struct rmi_device *rmi_dev)
        return 0;
 }
 
-static void process_one_interrupt(struct rmi_driver_data *data,
-                                 struct rmi_function *fn)
-{
-       struct rmi_function_handler *fh;
-
-       if (!fn || !fn->dev.driver)
-               return;
-
-       fh = to_rmi_function_handler(fn->dev.driver);
-       if (fh->attention) {
-               bitmap_and(data->fn_irq_bits, data->irq_status, fn->irq_mask,
-                               data->irq_count);
-               if (!bitmap_empty(data->fn_irq_bits, data->irq_count))
-                       fh->attention(fn, data->fn_irq_bits);
-       }
-}
-
 static int rmi_process_interrupt_requests(struct rmi_device *rmi_dev)
 {
        struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
        struct device *dev = &rmi_dev->dev;
-       struct rmi_function *entry;
+       int i;
        int error;
 
        if (!data)
@@ -173,16 +157,8 @@ static int rmi_process_interrupt_requests(struct rmi_device *rmi_dev)
         */
        mutex_unlock(&data->irq_mutex);
 
-       /*
-        * It would be nice to be able to use irq_chip to handle these
-        * nested IRQs.  Unfortunately, most of the current customers for
-        * this driver are using older kernels (3.0.x) that don't support
-        * the features required for that.  Once they've shifted to more
-        * recent kernels (say, 3.3 and higher), this should be switched to
-        * use irq_chip.
-        */
-       list_for_each_entry(entry, &data->function_list, node)
-               process_one_interrupt(data, entry);
+       for_each_set_bit(i, data->irq_status, data->irq_count)
+               handle_nested_irq(irq_find_mapping(data->irqdomain, i));
 
        if (data->input)
                input_sync(data->input);
@@ -1001,9 +977,13 @@ EXPORT_SYMBOL_GPL(rmi_driver_resume);
 static int rmi_driver_remove(struct device *dev)
 {
        struct rmi_device *rmi_dev = to_rmi_device(dev);
+       struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
 
        rmi_disable_irq(rmi_dev, false);
 
+       irq_domain_remove(data->irqdomain);
+       data->irqdomain = NULL;
+
        rmi_f34_remove_sysfs(rmi_dev);
        rmi_free_function_list(rmi_dev);
 
@@ -1035,7 +1015,8 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
 {
        struct rmi_device *rmi_dev = data->rmi_dev;
        struct device *dev = &rmi_dev->dev;
-       int irq_count;
+       struct fwnode_handle *fwnode = rmi_dev->xport->dev->fwnode;
+       int irq_count = 0;
        size_t size;
        int retval;
 
@@ -1046,7 +1027,6 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
         * being accessed.
         */
        rmi_dbg(RMI_DEBUG_CORE, dev, "%s: Counting IRQs.\n", __func__);
-       irq_count = 0;
        data->bootloader_mode = false;
 
        retval = rmi_scan_pdt(rmi_dev, &irq_count, rmi_count_irqs);
@@ -1058,6 +1038,15 @@ int rmi_probe_interrupts(struct rmi_driver_data *data)
        if (data->bootloader_mode)
                dev_warn(dev, "Device in bootloader mode.\n");
 
+       /* Allocate and register a linear revmap irq_domain */
+       data->irqdomain = irq_domain_create_linear(fwnode, irq_count,
+                                                  &irq_domain_simple_ops,
+                                                  data);
+       if (!data->irqdomain) {
+               dev_err(&rmi_dev->dev, "Failed to create IRQ domain\n");
+               return -ENOMEM;
+       }
+
        data->irq_count = irq_count;
        data->num_of_irq_regs = (data->irq_count + 7) / 8;
 
@@ -1080,10 +1069,9 @@ int rmi_init_functions(struct rmi_driver_data *data)
 {
        struct rmi_device *rmi_dev = data->rmi_dev;
        struct device *dev = &rmi_dev->dev;
-       int irq_count;
+       int irq_count = 0;
        int retval;
 
-       irq_count = 0;
        rmi_dbg(RMI_DEBUG_CORE, dev, "%s: Creating functions.\n", __func__);
        retval = rmi_scan_pdt(rmi_dev, &irq_count, rmi_create_function);
        if (retval < 0) {
index 8a07ae147df690ee7796c3f9f897904fce6ac6dd..4edaa14fe878650c81e6267550869f8acc714b40 100644 (file)
@@ -681,9 +681,9 @@ static int rmi_f01_resume(struct rmi_function *fn)
        return 0;
 }
 
-static int rmi_f01_attention(struct rmi_function *fn,
-                            unsigned long *irq_bits)
+static irqreturn_t rmi_f01_attention(int irq, void *ctx)
 {
+       struct rmi_function *fn = ctx;
        struct rmi_device *rmi_dev = fn->rmi_dev;
        int error;
        u8 device_status;
@@ -692,7 +692,7 @@ static int rmi_f01_attention(struct rmi_function *fn,
        if (error) {
                dev_err(&fn->dev,
                        "Failed to read device status: %d.\n", error);
-               return error;
+               return IRQ_RETVAL(error);
        }
 
        if (RMI_F01_STATUS_BOOTLOADER(device_status))
@@ -704,11 +704,11 @@ static int rmi_f01_attention(struct rmi_function *fn,
                error = rmi_dev->driver->reset_handler(rmi_dev);
                if (error) {
                        dev_err(&fn->dev, "Device reset failed: %d\n", error);
-                       return error;
+                       return IRQ_RETVAL(error);
                }
        }
 
-       return 0;
+       return IRQ_HANDLED;
 }
 
 struct rmi_function_handler rmi_f01_handler = {
index 88822196d6b723fcf69efd9c3b685fb92dedcf7b..aaa1edc9552254609c1e2ba00008b48bf80f3a85 100644 (file)
@@ -244,8 +244,9 @@ static int rmi_f03_config(struct rmi_function *fn)
        return 0;
 }
 
-static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f03_attention(int irq, void *ctx)
 {
+       struct rmi_function *fn = ctx;
        struct rmi_device *rmi_dev = fn->rmi_dev;
        struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
        struct f03_data *f03 = dev_get_drvdata(&fn->dev);
@@ -262,7 +263,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
                /* First grab the data passed by the transport device */
                if (drvdata->attn_data.size < ob_len) {
                        dev_warn(&fn->dev, "F03 interrupted, but data is missing!\n");
-                       return 0;
+                       return IRQ_HANDLED;
                }
 
                memcpy(obs, drvdata->attn_data.data, ob_len);
@@ -277,7 +278,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
                                "%s: Failed to read F03 output buffers: %d\n",
                                __func__, error);
                        serio_interrupt(f03->serio, 0, SERIO_TIMEOUT);
-                       return error;
+                       return IRQ_RETVAL(error);
                }
        }
 
@@ -303,7 +304,7 @@ static int rmi_f03_attention(struct rmi_function *fn, unsigned long *irq_bits)
                serio_interrupt(f03->serio, ob_data, serio_flags);
        }
 
-       return 0;
+       return IRQ_HANDLED;
 }
 
 static void rmi_f03_remove(struct rmi_function *fn)
index 12a233251793c24c754224ae1b379de52db34e7d..df64d6aed4f7e10b8eb78eb78619a15d7bcaaf56 100644 (file)
@@ -570,9 +570,7 @@ static inline u8 rmi_f11_parse_finger_state(const u8 *f_state, u8 n_finger)
 }
 
 static void rmi_f11_finger_handler(struct f11_data *f11,
-                                  struct rmi_2d_sensor *sensor,
-                                  unsigned long *irq_bits, int num_irq_regs,
-                                  int size)
+                                  struct rmi_2d_sensor *sensor, int size)
 {
        const u8 *f_state = f11->data.f_state;
        u8 finger_state;
@@ -581,12 +579,7 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
        int rel_fingers;
        int abs_size = sensor->nbr_fingers * RMI_F11_ABS_BYTES;
 
-       int abs_bits = bitmap_and(f11->result_bits, irq_bits, f11->abs_mask,
-                                 num_irq_regs * 8);
-       int rel_bits = bitmap_and(f11->result_bits, irq_bits, f11->rel_mask,
-                                 num_irq_regs * 8);
-
-       if (abs_bits) {
+       if (sensor->report_abs) {
                if (abs_size > size)
                        abs_fingers = size / RMI_F11_ABS_BYTES;
                else
@@ -604,19 +597,7 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
                        rmi_f11_abs_pos_process(f11, sensor, &sensor->objs[i],
                                                        finger_state, i);
                }
-       }
 
-       if (rel_bits) {
-               if ((abs_size + sensor->nbr_fingers * RMI_F11_REL_BYTES) > size)
-                       rel_fingers = (size - abs_size) / RMI_F11_REL_BYTES;
-               else
-                       rel_fingers = sensor->nbr_fingers;
-
-               for (i = 0; i < rel_fingers; i++)
-                       rmi_f11_rel_pos_report(f11, i);
-       }
-
-       if (abs_bits) {
                /*
                 * the absolute part is made in 2 parts to allow the kernel
                 * tracking to take place.
@@ -638,7 +619,16 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
                }
 
                input_mt_sync_frame(sensor->input);
+       } else if (sensor->report_rel) {
+               if ((abs_size + sensor->nbr_fingers * RMI_F11_REL_BYTES) > size)
+                       rel_fingers = (size - abs_size) / RMI_F11_REL_BYTES;
+               else
+                       rel_fingers = sensor->nbr_fingers;
+
+               for (i = 0; i < rel_fingers; i++)
+                       rmi_f11_rel_pos_report(f11, i);
        }
+
 }
 
 static int f11_2d_construct_data(struct f11_data *f11)
@@ -1276,8 +1266,9 @@ static int rmi_f11_config(struct rmi_function *fn)
        return 0;
 }
 
-static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f11_attention(int irq, void *ctx)
 {
+       struct rmi_function *fn = ctx;
        struct rmi_device *rmi_dev = fn->rmi_dev;
        struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
        struct f11_data *f11 = dev_get_drvdata(&fn->dev);
@@ -1303,13 +1294,12 @@ static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
                                data_base_addr, f11->sensor.data_pkt,
                                f11->sensor.pkt_size);
                if (error < 0)
-                       return error;
+                       return IRQ_RETVAL(error);
        }
 
-       rmi_f11_finger_handler(f11, &f11->sensor, irq_bits,
-                               drvdata->num_of_irq_regs, valid_bytes);
+       rmi_f11_finger_handler(f11, &f11->sensor, valid_bytes);
 
-       return 0;
+       return IRQ_HANDLED;
 }
 
 static int rmi_f11_resume(struct rmi_function *fn)
index a3d1aa88f2a9ce27fcd1f89d2f87d58b21686fce..5c7f489157792bf32da34e982b715824ec17eaff 100644 (file)
@@ -197,10 +197,10 @@ static void rmi_f12_process_objects(struct f12_data *f12, u8 *data1, int size)
                rmi_2d_sensor_abs_report(sensor, &sensor->objs[i], i);
 }
 
-static int rmi_f12_attention(struct rmi_function *fn,
-                            unsigned long *irq_nr_regs)
+static irqreturn_t rmi_f12_attention(int irq, void *ctx)
 {
        int retval;
+       struct rmi_function *fn = ctx;
        struct rmi_device *rmi_dev = fn->rmi_dev;
        struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
        struct f12_data *f12 = dev_get_drvdata(&fn->dev);
@@ -222,7 +222,7 @@ static int rmi_f12_attention(struct rmi_function *fn,
                if (retval < 0) {
                        dev_err(&fn->dev, "Failed to read object data. Code: %d.\n",
                                retval);
-                       return retval;
+                       return IRQ_RETVAL(retval);
                }
        }
 
@@ -232,7 +232,7 @@ static int rmi_f12_attention(struct rmi_function *fn,
 
        input_mt_sync_frame(sensor->input);
 
-       return 0;
+       return IRQ_HANDLED;
 }
 
 static int rmi_f12_write_control_regs(struct rmi_function *fn)
index 82e0f0d43d55271c92c774ba325b1bc40099f83e..5e3ed5ac0c3e40b3919b59493293720877907f1a 100644 (file)
@@ -122,8 +122,9 @@ static void rmi_f30_report_button(struct rmi_function *fn,
        }
 }
 
-static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f30_attention(int irq, void *ctx)
 {
+       struct rmi_function *fn = ctx;
        struct f30_data *f30 = dev_get_drvdata(&fn->dev);
        struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev);
        int error;
@@ -134,7 +135,7 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
                if (drvdata->attn_data.size < f30->register_count) {
                        dev_warn(&fn->dev,
                                 "F30 interrupted, but data is missing\n");
-                       return 0;
+                       return IRQ_HANDLED;
                }
                memcpy(f30->data_regs, drvdata->attn_data.data,
                        f30->register_count);
@@ -147,7 +148,7 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
                        dev_err(&fn->dev,
                                "%s: Failed to read F30 data registers: %d\n",
                                __func__, error);
-                       return error;
+                       return IRQ_RETVAL(error);
                }
        }
 
@@ -159,7 +160,7 @@ static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
                        rmi_f03_commit_buttons(f30->f03);
        }
 
-       return 0;
+       return IRQ_HANDLED;
 }
 
 static int rmi_f30_config(struct rmi_function *fn)
index f1f5ac539d5d56b2d554e2aa7bdb50fd0af0d5e3..87a7d4ba382d7210b294f8168adb5083c15b80ee 100644 (file)
@@ -100,8 +100,9 @@ static int rmi_f34_command(struct f34_data *f34, u8 command,
        return 0;
 }
 
-static int rmi_f34_attention(struct rmi_function *fn, unsigned long *irq_bits)
+static irqreturn_t rmi_f34_attention(int irq, void *ctx)
 {
+       struct rmi_function *fn = ctx;
        struct f34_data *f34 = dev_get_drvdata(&fn->dev);
        int ret;
        u8 status;
@@ -126,7 +127,7 @@ static int rmi_f34_attention(struct rmi_function *fn, unsigned long *irq_bits)
                        complete(&f34->v7.cmd_done);
        }
 
-       return 0;
+       return IRQ_HANDLED;
 }
 
 static int rmi_f34_write_blocks(struct f34_data *f34, const void *data,
index e8a59d1640192b75e6f83db0e2ad355064c19ff9..a6f515bcab2228a8783f10dbf10fae30462fd852 100644 (file)
@@ -610,11 +610,6 @@ error:
        mutex_unlock(&f54->data_mutex);
 }
 
-static int rmi_f54_attention(struct rmi_function *fn, unsigned long *irqbits)
-{
-       return 0;
-}
-
 static int rmi_f54_config(struct rmi_function *fn)
 {
        struct rmi_driver *drv = fn->rmi_dev->driver;
@@ -756,6 +751,5 @@ struct rmi_function_handler rmi_f54_handler = {
        .func = 0x54,
        .probe = rmi_f54_probe,
        .config = rmi_f54_config,
-       .attention = rmi_f54_attention,
        .remove = rmi_f54_remove,
 };
index ff7043f74a3d32286a6b8cdbed91f1bc3f0be12f..d196ac3d8b8cda8e1cf405101ed5603473db821d 100644 (file)
@@ -603,6 +603,7 @@ static const struct acpi_device_id silead_ts_acpi_match[] = {
        { "GSL3692", 0 },
        { "MSSL1680", 0 },
        { "MSSL0001", 0 },
+       { "MSSL0002", 0 },
        { }
 };
 MODULE_DEVICE_TABLE(acpi, silead_ts_acpi_match);
index e055d228bfb94057893a8a080dd7bbc709aeb6bf..689ffe5383706dd062cd9ce7aac9bc631c7656ba 100644 (file)
@@ -142,7 +142,6 @@ config DMAR_TABLE
 config INTEL_IOMMU
        bool "Support for Intel IOMMU using DMA Remapping Devices"
        depends on PCI_MSI && ACPI && (X86 || IA64_GENERIC)
-       select DMA_DIRECT_OPS
        select IOMMU_API
        select IOMMU_IOVA
        select NEED_DMA_MAP_STATE
index 14e4b37224284976a1cb8890e5d13ae5337350cc..b344a883f11690969865e936e30f4053ecf97005 100644 (file)
@@ -31,7 +31,6 @@
 #include <linux/pci.h>
 #include <linux/dmar.h>
 #include <linux/dma-mapping.h>
-#include <linux/dma-direct.h>
 #include <linux/mempool.h>
 #include <linux/memory.h>
 #include <linux/cpu.h>
@@ -3713,30 +3712,61 @@ static void *intel_alloc_coherent(struct device *dev, size_t size,
                                  dma_addr_t *dma_handle, gfp_t flags,
                                  unsigned long attrs)
 {
-       void *vaddr;
+       struct page *page = NULL;
+       int order;
 
-       vaddr = dma_direct_alloc(dev, size, dma_handle, flags, attrs);
-       if (iommu_no_mapping(dev) || !vaddr)
-               return vaddr;
+       size = PAGE_ALIGN(size);
+       order = get_order(size);
 
-       *dma_handle = __intel_map_single(dev, virt_to_phys(vaddr),
-                       PAGE_ALIGN(size), DMA_BIDIRECTIONAL,
-                       dev->coherent_dma_mask);
-       if (!*dma_handle)
-               goto out_free_pages;
-       return vaddr;
+       if (!iommu_no_mapping(dev))
+               flags &= ~(GFP_DMA | GFP_DMA32);
+       else if (dev->coherent_dma_mask < dma_get_required_mask(dev)) {
+               if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
+                       flags |= GFP_DMA;
+               else
+                       flags |= GFP_DMA32;
+       }
+
+       if (gfpflags_allow_blocking(flags)) {
+               unsigned int count = size >> PAGE_SHIFT;
+
+               page = dma_alloc_from_contiguous(dev, count, order, flags);
+               if (page && iommu_no_mapping(dev) &&
+                   page_to_phys(page) + size > dev->coherent_dma_mask) {
+                       dma_release_from_contiguous(dev, page, count);
+                       page = NULL;
+               }
+       }
+
+       if (!page)
+               page = alloc_pages(flags, order);
+       if (!page)
+               return NULL;
+       memset(page_address(page), 0, size);
+
+       *dma_handle = __intel_map_single(dev, page_to_phys(page), size,
+                                        DMA_BIDIRECTIONAL,
+                                        dev->coherent_dma_mask);
+       if (*dma_handle)
+               return page_address(page);
+       if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
+               __free_pages(page, order);
 
-out_free_pages:
-       dma_direct_free(dev, size, vaddr, *dma_handle, attrs);
        return NULL;
 }
 
 static void intel_free_coherent(struct device *dev, size_t size, void *vaddr,
                                dma_addr_t dma_handle, unsigned long attrs)
 {
-       if (!iommu_no_mapping(dev))
-               intel_unmap(dev, dma_handle, PAGE_ALIGN(size));
-       dma_direct_free(dev, size, vaddr, dma_handle, attrs);
+       int order;
+       struct page *page = virt_to_page(vaddr);
+
+       size = PAGE_ALIGN(size);
+       order = get_order(size);
+
+       intel_unmap(dev, dma_handle, size);
+       if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
+               __free_pages(page, order);
 }
 
 static void intel_unmap_sg(struct device *dev, struct scatterlist *sglist,
index 98f90aadd141b03c42bedd070b66030be7983d86..18c0a1281914fa3218761bd20b2a2e0c85e8aae6 100644 (file)
@@ -588,7 +588,7 @@ static const struct proto_ops data_sock_ops = {
        .getname        = data_sock_getname,
        .sendmsg        = mISDN_sock_sendmsg,
        .recvmsg        = mISDN_sock_recvmsg,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
        .setsockopt     = data_sock_setsockopt,
index ab13fcec3fca046c3da6fd621f0e0db9c47b1bf9..75df4c9d8b541de480dfea8d823e0eff389d9ccd 100644 (file)
@@ -588,7 +588,7 @@ static const char *raid10_md_layout_to_format(int layout)
 }
 
 /* Return md raid10 algorithm for @name */
-static const int raid10_name_to_format(const char *name)
+static int raid10_name_to_format(const char *name)
 {
        if (!strcasecmp(name, "near"))
                return ALGORITHM_RAID10_NEAR;
index 938766794c2ef3b6caf538a0fa787447eadb160c..3d0e2c198f0614dbaf22db657a2bfc9336f89ebd 100644 (file)
@@ -885,9 +885,7 @@ EXPORT_SYMBOL_GPL(dm_table_set_type);
 static int device_supports_dax(struct dm_target *ti, struct dm_dev *dev,
                               sector_t start, sector_t len, void *data)
 {
-       struct request_queue *q = bdev_get_queue(dev->bdev);
-
-       return q && blk_queue_dax(q);
+       return bdev_dax_supported(dev->bdev, PAGE_SIZE);
 }
 
 static bool dm_table_supports_dax(struct dm_table *t)
@@ -1907,6 +1905,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
 
        if (dm_table_supports_dax(t))
                blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+       else
+               blk_queue_flag_clear(QUEUE_FLAG_DAX, q);
+
        if (dm_table_supports_dax_write_cache(t))
                dax_write_cache(t->md->dax_dev, true);
 
index 36ef284ad086b881324771d4f882dc6fa96d6dde..72142021b5c9a0410cfb6ccb04a93d613376fb53 100644 (file)
@@ -776,7 +776,6 @@ static int __write_changed_details(struct dm_pool_metadata *pmd)
 static int __commit_transaction(struct dm_pool_metadata *pmd)
 {
        int r;
-       size_t metadata_len, data_len;
        struct thin_disk_superblock *disk_super;
        struct dm_block *sblock;
 
@@ -797,14 +796,6 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
        if (r < 0)
                return r;
 
-       r = dm_sm_root_size(pmd->metadata_sm, &metadata_len);
-       if (r < 0)
-               return r;
-
-       r = dm_sm_root_size(pmd->data_sm, &data_len);
-       if (r < 0)
-               return r;
-
        r = save_sm_roots(pmd);
        if (r < 0)
                return r;
index 7945238df1c0a67a8e525697f0e419c7594ed1ad..b900723bbd0fae4845a17ef67dadcf33dc5cc67b 100644 (file)
@@ -1386,6 +1386,8 @@ static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block,
 
 static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);
 
+static void requeue_bios(struct pool *pool);
+
 static void check_for_space(struct pool *pool)
 {
        int r;
@@ -1398,8 +1400,10 @@ static void check_for_space(struct pool *pool)
        if (r)
                return;
 
-       if (nr_free)
+       if (nr_free) {
                set_pool_mode(pool, PM_WRITE);
+               requeue_bios(pool);
+       }
 }
 
 /*
@@ -1476,7 +1480,10 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
 
        r = dm_pool_alloc_data_block(pool->pmd, result);
        if (r) {
-               metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
+               if (r == -ENOSPC)
+                       set_pool_mode(pool, PM_OUT_OF_DATA_SPACE);
+               else
+                       metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
                return r;
        }
 
index 5961c7794ef37008f7a10f521517aded086f20f3..07ea6a48aac69a1db35567222c4b8123f2ef9e59 100644 (file)
@@ -259,7 +259,7 @@ static int persistent_memory_claim(struct dm_writecache *wc)
        if (da != p) {
                long i;
                wc->memory_map = NULL;
-               pages = kvmalloc(p * sizeof(struct page *), GFP_KERNEL);
+               pages = kvmalloc_array(p, sizeof(struct page *), GFP_KERNEL);
                if (!pages) {
                        r = -ENOMEM;
                        goto err2;
@@ -859,7 +859,7 @@ static int writecache_alloc_entries(struct dm_writecache *wc)
 
        if (wc->entries)
                return 0;
-       wc->entries = vmalloc(sizeof(struct wc_entry) * wc->n_blocks);
+       wc->entries = vmalloc(array_size(sizeof(struct wc_entry), wc->n_blocks));
        if (!wc->entries)
                return -ENOMEM;
        for (b = 0; b < wc->n_blocks; b++) {
@@ -1481,9 +1481,9 @@ static void __writecache_writeback_pmem(struct dm_writecache *wc, struct writeba
                wb->bio.bi_iter.bi_sector = read_original_sector(wc, e);
                wb->page_offset = PAGE_SIZE;
                if (max_pages <= WB_LIST_INLINE ||
-                   unlikely(!(wb->wc_list = kmalloc(max_pages * sizeof(struct wc_entry *),
-                                                    GFP_NOIO | __GFP_NORETRY |
-                                                    __GFP_NOMEMALLOC | __GFP_NOWARN)))) {
+                   unlikely(!(wb->wc_list = kmalloc_array(max_pages, sizeof(struct wc_entry *),
+                                                          GFP_NOIO | __GFP_NORETRY |
+                                                          __GFP_NOMEMALLOC | __GFP_NOWARN)))) {
                        wb->wc_list = wb->wc_list_inline;
                        max_pages = WB_LIST_INLINE;
                }
index 3c0e45f4dcf5cdf06d79b0c9d107d7455a0b6ad7..a44183ff4be0a3bd4219a7bf5854622aeca79db2 100644 (file)
@@ -787,7 +787,7 @@ static int dmz_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
        /* Chunk BIO work */
        mutex_init(&dmz->chunk_lock);
-       INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_KERNEL);
+       INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_NOIO);
        dmz->chunk_wq = alloc_workqueue("dmz_cwq_%s", WQ_MEM_RECLAIM | WQ_UNBOUND,
                                        0, dev->name);
        if (!dmz->chunk_wq) {
index e65429a29c06e2554e8a0e23ba5a0b2a3b18a8c8..b0dd7027848b7de9f701469c6eb29b5d9c96e1df 100644 (file)
@@ -1056,8 +1056,7 @@ static long dm_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
        if (len < 1)
                goto out;
        nr_pages = min(len, nr_pages);
-       if (ti->type->direct_access)
-               ret = ti->type->direct_access(ti, pgoff, nr_pages, kaddr, pfn);
+       ret = ti->type->direct_access(ti, pgoff, nr_pages, kaddr, pfn);
 
  out:
        dm_put_live_table(md, srcu_idx);
@@ -1606,10 +1605,9 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md,
                                 * the usage of io->orig_bio in dm_remap_zone_report()
                                 * won't be affected by this reassignment.
                                 */
-                               struct bio *b = bio_clone_bioset(bio, GFP_NOIO,
-                                                                &md->queue->bio_split);
+                               struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
+                                                         GFP_NOIO, &md->queue->bio_split);
                                ci.io->orig_bio = b;
-                               bio_advance(bio, (bio_sectors(bio) - ci.sector_count) << 9);
                                bio_chain(b, bio);
                                ret = generic_make_request(bio);
                                break;
index 29b0cd9ec951ee4603279656e7148ba2a5b8d763..994aed2f9dfff4135170102265523045e893ac0a 100644 (file)
@@ -5547,7 +5547,8 @@ int md_run(struct mddev *mddev)
                else
                        pr_warn("md: personality for level %s is not loaded!\n",
                                mddev->clevel);
-               return -EINVAL;
+               err = -EINVAL;
+               goto abort;
        }
        spin_unlock(&pers_lock);
        if (mddev->level != pers->level) {
@@ -5560,7 +5561,8 @@ int md_run(struct mddev *mddev)
            pers->start_reshape == NULL) {
                /* This personality cannot handle reshaping... */
                module_put(pers->owner);
-               return -EINVAL;
+               err = -EINVAL;
+               goto abort;
        }
 
        if (pers->sync_request) {
@@ -5629,7 +5631,7 @@ int md_run(struct mddev *mddev)
                mddev->private = NULL;
                module_put(pers->owner);
                bitmap_destroy(mddev);
-               return err;
+               goto abort;
        }
        if (mddev->queue) {
                bool nonrot = true;
index 478cf446827f469c1d02d6f2918fcb8dd870f893..35bd3a62451b30fec0cca41fcdc687bb7920aa56 100644 (file)
@@ -3893,6 +3893,13 @@ static int raid10_run(struct mddev *mddev)
                            disk->rdev->saved_raid_disk < 0)
                                conf->fullsync = 1;
                }
+
+               if (disk->replacement &&
+                   !test_bit(In_sync, &disk->replacement->flags) &&
+                   disk->replacement->saved_raid_disk < 0) {
+                       conf->fullsync = 1;
+               }
+
                disk->recovery_disabled = mddev->recovery_disabled - 1;
        }
 
index 40826bba06b6d52c06bef7eb64bea6a719496dd0..fcfab6635f9c6649a64e0b144f55df672d621389 100644 (file)
@@ -207,29 +207,19 @@ void lirc_bpf_free(struct rc_dev *rcdev)
        bpf_prog_array_free(rcdev->raw->progs);
 }
 
-int lirc_prog_attach(const union bpf_attr *attr)
+int lirc_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
 {
-       struct bpf_prog *prog;
        struct rc_dev *rcdev;
        int ret;
 
        if (attr->attach_flags)
                return -EINVAL;
 
-       prog = bpf_prog_get_type(attr->attach_bpf_fd,
-                                BPF_PROG_TYPE_LIRC_MODE2);
-       if (IS_ERR(prog))
-               return PTR_ERR(prog);
-
        rcdev = rc_dev_get_from_fd(attr->target_fd);
-       if (IS_ERR(rcdev)) {
-               bpf_prog_put(prog);
+       if (IS_ERR(rcdev))
                return PTR_ERR(rcdev);
-       }
 
        ret = lirc_bpf_attach(rcdev, prog);
-       if (ret)
-               bpf_prog_put(prog);
 
        put_device(&rcdev->dev);
 
index e05c3245930a1e3f94aad4c0a7f85e015759ec76..fa840666bdd1aeb20cca67fc5df9556fc73135aa 100644 (file)
@@ -507,35 +507,14 @@ static int remote_settings_file_close(struct inode *inode, struct file *file)
 static ssize_t remote_settings_file_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
        void __iomem *address = (void __iomem *)file->private_data;
-       unsigned char *page;
-       int retval;
        int len = 0;
        unsigned int value;
-
-       if (*offset < 0)
-               return -EINVAL;
-       if (count == 0 || count > 1024)
-               return 0;
-       if (*offset != 0)
-               return 0;
-
-       page = (unsigned char *)__get_free_page(GFP_KERNEL);
-       if (!page)
-               return -ENOMEM;
+       char lbuf[20];
 
        value = readl(address);
-       len = sprintf(page, "%d\n", value);
-
-       if (copy_to_user(buf, page, len)) {
-               retval = -EFAULT;
-               goto exit;
-       }
-       *offset += len;
-       retval = len;
+       len = snprintf(lbuf, sizeof(lbuf), "%d\n", value);
 
-exit:
-       free_page((unsigned long)page);
-       return retval;
+       return simple_read_from_buffer(buf, count, offset, lbuf, len);
 }
 
 static ssize_t remote_settings_file_write(struct file *file, const char __user *ubuff, size_t count, loff_t *offset)
index b0b8f18a85e3e132d7741e9daab53fe9270b1b8a..6649f0d56d2f0cdee1dde6d57ad68141ccce12bf 100644 (file)
@@ -310,8 +310,11 @@ int mei_irq_read_handler(struct mei_device *dev,
        if (&cl->link == &dev->file_list) {
                /* A message for not connected fixed address clients
                 * should be silently discarded
+                * On power down client may be force cleaned,
+                * silently discard such messages
                 */
-               if (hdr_is_fixed(mei_hdr)) {
+               if (hdr_is_fixed(mei_hdr) ||
+                   dev->dev_state == MEI_DEV_POWER_DOWN) {
                        mei_irq_discard_msg(dev, mei_hdr);
                        ret = 0;
                        goto reset_slots;
index efd733472a3531804225c5515ade4f4cf69fd707..56c6f79a5c5af83a862cf76352f172f5e02ee0b8 100644 (file)
@@ -467,7 +467,7 @@ static int vmballoon_send_batched_lock(struct vmballoon *b,
                unsigned int num_pages, bool is_2m_pages, unsigned int *target)
 {
        unsigned long status;
-       unsigned long pfn = page_to_pfn(b->page);
+       unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
 
        STATS_INC(b->stats.lock[is_2m_pages]);
 
@@ -515,7 +515,7 @@ static bool vmballoon_send_batched_unlock(struct vmballoon *b,
                unsigned int num_pages, bool is_2m_pages, unsigned int *target)
 {
        unsigned long status;
-       unsigned long pfn = page_to_pfn(b->page);
+       unsigned long pfn = PHYS_PFN(virt_to_phys(b->batch_page));
 
        STATS_INC(b->stats.unlock[is_2m_pages]);
 
index ef05e00393782d16d77f2f1ecf16803f69461217..2a833686784b6b459d9744b366ef22cb5ca1279c 100644 (file)
@@ -27,8 +27,8 @@ struct mmc_gpio {
        bool override_cd_active_level;
        irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id);
        char *ro_label;
-       char cd_label[0];
        u32 cd_debounce_delay_ms;
+       char cd_label[];
 };
 
 static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
index 623f4d27fa0161b1a938521c266176f544f2ff22..80dc2fd6576cf3f88afd695ad1f36ec1b4f52b41 100644 (file)
@@ -1065,8 +1065,8 @@ static void dw_mci_ctrl_thld(struct dw_mci *host, struct mmc_data *data)
         * It's used when HS400 mode is enabled.
         */
        if (data->flags & MMC_DATA_WRITE &&
-               !(host->timing != MMC_TIMING_MMC_HS400))
-               return;
+               host->timing != MMC_TIMING_MMC_HS400)
+               goto disable;
 
        if (data->flags & MMC_DATA_WRITE)
                enable = SDMMC_CARD_WR_THR_EN;
@@ -1074,7 +1074,8 @@ static void dw_mci_ctrl_thld(struct dw_mci *host, struct mmc_data *data)
                enable = SDMMC_CARD_RD_THR_EN;
 
        if (host->timing != MMC_TIMING_MMC_HS200 &&
-           host->timing != MMC_TIMING_UHS_SDR104)
+           host->timing != MMC_TIMING_UHS_SDR104 &&
+           host->timing != MMC_TIMING_MMC_HS400)
                goto disable;
 
        blksz_depth = blksz / (1 << host->data_shift);
index f7f9773d161f1e5e2f58ae1f9a32c800ac5f3474..d032bd63444d10295826750b80a560c0335ddda5 100644 (file)
@@ -139,8 +139,7 @@ renesas_sdhi_internal_dmac_abort_dma(struct tmio_mmc_host *host) {
        renesas_sdhi_internal_dmac_dm_write(host, DM_CM_RST,
                                            RST_RESERVED_BITS | val);
 
-       if (host->data && host->data->flags & MMC_DATA_READ)
-               clear_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags);
+       clear_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags);
 
        renesas_sdhi_internal_dmac_enable_dma(host, true);
 }
@@ -164,17 +163,14 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
                goto force_pio;
 
        /* This DMAC cannot handle if buffer is not 8-bytes alignment */
-       if (!IS_ALIGNED(sg_dma_address(sg), 8)) {
-               dma_unmap_sg(&host->pdev->dev, sg, host->sg_len,
-                            mmc_get_dma_dir(data));
-               goto force_pio;
-       }
+       if (!IS_ALIGNED(sg_dma_address(sg), 8))
+               goto force_pio_with_unmap;
 
        if (data->flags & MMC_DATA_READ) {
                dtran_mode |= DTRAN_MODE_CH_NUM_CH1;
                if (test_bit(SDHI_INTERNAL_DMAC_ONE_RX_ONLY, &global_flags) &&
                    test_and_set_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags))
-                       goto force_pio;
+                       goto force_pio_with_unmap;
        } else {
                dtran_mode |= DTRAN_MODE_CH_NUM_CH0;
        }
@@ -189,6 +185,9 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
 
        return;
 
+force_pio_with_unmap:
+       dma_unmap_sg(&host->pdev->dev, sg, host->sg_len, mmc_get_dma_dir(data));
+
 force_pio:
        host->force_pio = true;
        renesas_sdhi_internal_dmac_enable_dma(host, false);
index d6aef70d34fac0554d223bed4121e173dea1281d..4eb3d29ecde1078512f85d291904a63d5fa358c6 100644 (file)
@@ -312,6 +312,15 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 
                        if (imx_data->socdata->flags & ESDHC_FLAG_HS400)
                                val |= SDHCI_SUPPORT_HS400;
+
+                       /*
+                        * Do not advertise faster UHS modes if there are no
+                        * pinctrl states for 100MHz/200MHz.
+                        */
+                       if (IS_ERR_OR_NULL(imx_data->pins_100mhz) ||
+                           IS_ERR_OR_NULL(imx_data->pins_200mhz))
+                               val &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50
+                                        | SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_HS400);
                }
        }
 
@@ -1158,18 +1167,6 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
                                                ESDHC_PINCTRL_STATE_100MHZ);
                imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl,
                                                ESDHC_PINCTRL_STATE_200MHZ);
-               if (IS_ERR(imx_data->pins_100mhz) ||
-                               IS_ERR(imx_data->pins_200mhz)) {
-                       dev_warn(mmc_dev(host->mmc),
-                               "could not get ultra high speed state, work on normal mode\n");
-                       /*
-                        * fall back to not supporting uhs by specifying no
-                        * 1.8v quirk
-                        */
-                       host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
-               }
-       } else {
-               host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
        }
 
        /* call to generic mmc_of_parse to support additional capabilities */
index e7472590f2ed6416b800ef85c2efeae574cc6718..8e7f3e35ee3dc48eef93c126f2d161ad63b3dc12 100644 (file)
@@ -1446,6 +1446,7 @@ static int sunxi_mmc_runtime_resume(struct device *dev)
        sunxi_mmc_init_host(host);
        sunxi_mmc_set_bus_width(host, mmc->ios.bus_width);
        sunxi_mmc_set_clk(host, &mmc->ios);
+       enable_irq(host->irq);
 
        return 0;
 }
@@ -1455,6 +1456,12 @@ static int sunxi_mmc_runtime_suspend(struct device *dev)
        struct mmc_host *mmc = dev_get_drvdata(dev);
        struct sunxi_mmc_host *host = mmc_priv(mmc);
 
+       /*
+        * When clocks are off, it's possible receiving
+        * fake interrupts, which will stall the system.
+        * Disabling the irq  will prevent this.
+        */
+       disable_irq(host->irq);
        sunxi_mmc_reset_host(host);
        sunxi_mmc_disable(host);
 
index a0c655628d6d5283fd9b5cd8234b8b09857d9c75..1b64ac8c5bc86309061a5540d385eb6e2ca866cc 100644 (file)
@@ -2526,7 +2526,7 @@ static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
 
 struct ppb_lock {
        struct flchip *chip;
-       loff_t offset;
+       unsigned long adr;
        int locked;
 };
 
@@ -2544,8 +2544,9 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
        unsigned long timeo;
        int ret;
 
+       adr += chip->start;
        mutex_lock(&chip->mutex);
-       ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
+       ret = get_chip(map, chip, adr, FL_LOCKING);
        if (ret) {
                mutex_unlock(&chip->mutex);
                return ret;
@@ -2563,8 +2564,8 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
 
        if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) {
                chip->state = FL_LOCKING;
-               map_write(map, CMD(0xA0), chip->start + adr);
-               map_write(map, CMD(0x00), chip->start + adr);
+               map_write(map, CMD(0xA0), adr);
+               map_write(map, CMD(0x00), adr);
        } else if (thunk == DO_XXLOCK_ONEBLOCK_UNLOCK) {
                /*
                 * Unlocking of one specific sector is not supported, so we
@@ -2602,7 +2603,7 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
        map_write(map, CMD(0x00), chip->start);
 
        chip->state = FL_READY;
-       put_chip(map, chip, adr + chip->start);
+       put_chip(map, chip, adr);
        mutex_unlock(&chip->mutex);
 
        return ret;
@@ -2659,9 +2660,9 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
                 * sectors shall be unlocked, so lets keep their locking
                 * status at "unlocked" (locked=0) for the final re-locking.
                 */
-               if ((adr < ofs) || (adr >= (ofs + len))) {
+               if ((offset < ofs) || (offset >= (ofs + len))) {
                        sect[sectors].chip = &cfi->chips[chipnum];
-                       sect[sectors].offset = offset;
+                       sect[sectors].adr = adr;
                        sect[sectors].locked = do_ppb_xxlock(
                                map, &cfi->chips[chipnum], adr, 0,
                                DO_XXLOCK_ONEBLOCK_GETLOCK);
@@ -2675,6 +2676,8 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
                        i++;
 
                if (adr >> cfi->chipshift) {
+                       if (offset >= (ofs + len))
+                               break;
                        adr = 0;
                        chipnum++;
 
@@ -2705,7 +2708,7 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
         */
        for (i = 0; i < sectors; i++) {
                if (sect[i].locked)
-                       do_ppb_xxlock(map, sect[i].chip, sect[i].offset, 0,
+                       do_ppb_xxlock(map, sect[i].chip, sect[i].adr, 0,
                                      DO_XXLOCK_ONEBLOCK_LOCK);
        }
 
index 3a6f450d1093c4c59d8b79bfafbc0d0c8c744722..53febe8a68c3cdfadfad784bca3335879a86d1f8 100644 (file)
@@ -733,8 +733,8 @@ static struct flash_info dataflash_data[] = {
        { "AT45DB642x",  0x1f2800, 8192, 1056, 11, SUP_POW2PS},
        { "at45db642d",  0x1f2800, 8192, 1024, 10, SUP_POW2PS | IS_POW2PS},
 
-       { "AT45DB641E",  0x1f28000100, 32768, 264, 9, SUP_EXTID | SUP_POW2PS},
-       { "at45db641e",  0x1f28000100, 32768, 256, 8, SUP_EXTID | SUP_POW2PS | IS_POW2PS},
+       { "AT45DB641E",  0x1f28000100ULL, 32768, 264, 9, SUP_EXTID | SUP_POW2PS},
+       { "at45db641e",  0x1f28000100ULL, 32768, 256, 8, SUP_EXTID | SUP_POW2PS | IS_POW2PS},
 };
 
 static struct flash_info *jedec_lookup(struct spi_device *spi,
index cfd33e6ca77f903a6afc636e73f31ffb40d0d0bd..5869e90cc14b3c1f367b17a4f58bdb31c1e188ea 100644 (file)
@@ -123,7 +123,11 @@ static int denali_dt_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       denali->clk_x_rate = clk_get_rate(dt->clk);
+       /*
+        * Hardcode the clock rate for the backward compatibility.
+        * This works for both SOCFPGA and UniPhier.
+        */
+       denali->clk_x_rate = 200000000;
 
        ret = denali_init(denali);
        if (ret)
index 45786e707b7bd1ae5a4cba72825bcfb00fdda370..26cef218bb43ee1bd1fb2cf1dbadeb8ad38e2f8e 100644 (file)
@@ -48,7 +48,7 @@
 #define NFC_V1_V2_CONFIG               (host->regs + 0x0a)
 #define NFC_V1_V2_ECC_STATUS_RESULT    (host->regs + 0x0c)
 #define NFC_V1_V2_RSLTMAIN_AREA                (host->regs + 0x0e)
-#define NFC_V1_V2_RSLTSPARE_AREA       (host->regs + 0x10)
+#define NFC_V21_RSLTSPARE_AREA         (host->regs + 0x10)
 #define NFC_V1_V2_WRPROT               (host->regs + 0x12)
 #define NFC_V1_UNLOCKSTART_BLKADDR     (host->regs + 0x14)
 #define NFC_V1_UNLOCKEND_BLKADDR       (host->regs + 0x16)
@@ -1274,6 +1274,9 @@ static void preset_v2(struct mtd_info *mtd)
        writew(config1, NFC_V1_V2_CONFIG1);
        /* preset operation */
 
+       /* spare area size in 16-bit half-words */
+       writew(mtd->oobsize / 2, NFC_V21_RSLTSPARE_AREA);
+
        /* Unlock the internal RAM Buffer */
        writew(0x2, NFC_V1_V2_CONFIG);
 
index 10c4f9919850c3e7b56ed6bdb083a0fc35a0b7f5..b01d15ec4c56bfbdded578526d76e2ed12b65093 100644 (file)
@@ -440,7 +440,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs)
 
        for (; page < page_end; page++) {
                res = chip->ecc.read_oob(mtd, chip, page);
-               if (res)
+               if (res < 0)
                        return res;
 
                bad = chip->oob_poi[chip->badblockpos];
index 7ed1f87e742a7accbbeb441b02e199878b3ef035..49c546c97c6f9a370ff64636deaf778bce2c3ce0 100644 (file)
 
 #include <linux/mtd/rawnand.h>
 
+/*
+ * Macronix AC series does not support using SET/GET_FEATURES to change
+ * the timings unlike what is declared in the parameter page. Unflag
+ * this feature to avoid unnecessary downturns.
+ */
+static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip)
+{
+       unsigned int i;
+       static const char * const broken_get_timings[] = {
+               "MX30LF1G18AC",
+               "MX30LF1G28AC",
+               "MX30LF2G18AC",
+               "MX30LF2G28AC",
+               "MX30LF4G18AC",
+               "MX30LF4G28AC",
+               "MX60LF8G18AC",
+       };
+
+       if (!chip->parameters.supports_set_get_features)
+               return;
+
+       for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) {
+               if (!strcmp(broken_get_timings[i], chip->parameters.model))
+                       break;
+       }
+
+       if (i == ARRAY_SIZE(broken_get_timings))
+               return;
+
+       bitmap_clear(chip->parameters.get_feature_list,
+                    ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+       bitmap_clear(chip->parameters.set_feature_list,
+                    ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+}
+
 static int macronix_nand_init(struct nand_chip *chip)
 {
        if (nand_is_slc(chip))
                chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
 
-       /*
-        * MX30LF2G18AC chip does not support using SET/GET_FEATURES to change
-        * the timings unlike what is declared in the parameter page. Unflag
-        * this feature to avoid unnecessary downturns.
-        */
-       if (chip->parameters.supports_set_get_features &&
-           !strcmp("MX30LF2G18AC", chip->parameters.model)) {
-               bitmap_clear(chip->parameters.get_feature_list,
-                            ONFI_FEATURE_ADDR_TIMING_MODE, 1);
-               bitmap_clear(chip->parameters.set_feature_list,
-                            ONFI_FEATURE_ADDR_TIMING_MODE, 1);
-       }
+       macronix_nand_fix_broken_get_timings(chip);
 
        return 0;
 }
index 0af45b134c0cf859902f3d138b305bf5836d526d..5ec4c90a637d549a644441461ffc7717c623a4bc 100644 (file)
@@ -66,7 +66,9 @@ static int micron_nand_onfi_init(struct nand_chip *chip)
 
        if (p->supports_set_get_features) {
                set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->set_feature_list);
+               set_bit(ONFI_FEATURE_ON_DIE_ECC, p->set_feature_list);
                set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->get_feature_list);
+               set_bit(ONFI_FEATURE_ON_DIE_ECC, p->get_feature_list);
        }
 
        return 0;
index c3f7aaa5d18f7de068f797b84b05b31be4248897..d7e10b36a0b94b476fb5068d634c58ee756fbc2c 100644 (file)
@@ -926,10 +926,12 @@ static ssize_t cqspi_write(struct spi_nor *nor, loff_t to,
        if (ret)
                return ret;
 
-       if (f_pdata->use_direct_mode)
+       if (f_pdata->use_direct_mode) {
                memcpy_toio(cqspi->ahb_base + to, buf, len);
-       else
+               ret = cqspi_wait_idle(cqspi);
+       } else {
                ret = cqspi_indirect_write_execute(nor, to, buf, len);
+       }
        if (ret)
                return ret;
 
index d5c15e8bb3de706b12d343ee1a50477b23ab3d3f..f273af136fc7c995ee4df2bdb697002c916c0a48 100644 (file)
@@ -173,7 +173,7 @@ config SUNLANCE
 
 config AMD_XGBE
        tristate "AMD 10GbE Ethernet driver"
-       depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM && HAS_DMA
+       depends on ((OF_NET && OF_ADDRESS) || ACPI || PCI) && HAS_IOMEM
        depends on X86 || ARM64 || COMPILE_TEST
        select BITREVERSE
        select CRC32
index 1205861b631896a0fc6b19ac608483d8e4b27d4e..eedd3f3dd22e220186578235c9f5f0b0072e80f6 100644 (file)
@@ -1,6 +1,5 @@
 config NET_XGENE_V2
        tristate "APM X-Gene SoC Ethernet-v2 Driver"
-       depends on HAS_DMA
        depends on ARCH_XGENE || COMPILE_TEST
        help
          This is the Ethernet driver for the on-chip ethernet interface
index afccb033177b39233a333994835713d577339c2f..e4e33c900b577161e77974bd62c45030cb2762e8 100644 (file)
@@ -1,6 +1,5 @@
 config NET_XGENE
        tristate "APM X-Gene SoC Ethernet Driver"
-       depends on HAS_DMA
        depends on ARCH_XGENE || COMPILE_TEST
        select PHYLIB
        select MDIO_XGENE
index e743ddf46343302fe69c4c562c7cba239fe06dd9..5d0ab8e74b680cc6e75de6e91b79115b4637daa7 100644 (file)
@@ -24,7 +24,8 @@ config ARC_EMAC_CORE
 config ARC_EMAC
        tristate "ARC EMAC support"
        select ARC_EMAC_CORE
-       depends on OF_IRQ && OF_NET && HAS_DMA && (ARC || COMPILE_TEST)
+       depends on OF_IRQ && OF_NET
+       depends on ARC || COMPILE_TEST
        ---help---
          On some legacy ARC (Synopsys) FPGA boards such as ARCAngel4/ML50x
          non-standard on-chip ethernet device ARC EMAC 10/100 is used.
@@ -33,7 +34,8 @@ config ARC_EMAC
 config EMAC_ROCKCHIP
        tristate "Rockchip EMAC support"
        select ARC_EMAC_CORE
-       depends on OF_IRQ && OF_NET && REGULATOR && HAS_DMA && (ARCH_ROCKCHIP || COMPILE_TEST)
+       depends on OF_IRQ && OF_NET && REGULATOR
+       depends on ARCH_ROCKCHIP || COMPILE_TEST
        ---help---
          Support for Rockchip RK3036/RK3066/RK3188 EMAC ethernet controllers.
          This selects Rockchip SoC glue layer support for the
index 567ee54504bcd6eba897009259f691b74b77609e..5e5022fa1d047be078be911bc4f6cd0631f04de7 100644 (file)
@@ -1897,13 +1897,19 @@ static int alx_resume(struct device *dev)
        struct pci_dev *pdev = to_pci_dev(dev);
        struct alx_priv *alx = pci_get_drvdata(pdev);
        struct alx_hw *hw = &alx->hw;
+       int err;
 
        alx_reset_phy(hw);
 
        if (!netif_running(alx->dev))
                return 0;
        netif_device_attach(alx->dev);
-       return __alx_open(alx, true);
+
+       rtnl_lock();
+       err = __alx_open(alx, true);
+       rtnl_unlock();
+
+       return err;
 }
 
 static SIMPLE_DEV_PM_OPS(alx_pm_ops, alx_suspend, alx_resume);
index af75156919edfead9bbe1e223b92d45d4fdd444e..4c3bfde6e8de00f2010b1329e05c8b36a16e158f 100644 (file)
@@ -157,7 +157,6 @@ config BGMAC
 config BGMAC_BCMA
        tristate "Broadcom iProc GBit BCMA support"
        depends on BCMA && BCMA_HOST_SOC
-       depends on HAS_DMA
        depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
        select BGMAC
        select PHYLIB
@@ -170,7 +169,6 @@ config BGMAC_BCMA
 
 config BGMAC_PLATFORM
        tristate "Broadcom iProc GBit platform support"
-       depends on HAS_DMA
        depends on ARCH_BCM_IPROC || COMPILE_TEST
        depends on OF
        select BGMAC
index d847e1b9c37b5afff33e799e919e3ff39b5cd1e8..be1506169076f0a89f6a621d01dce81afe720ba7 100644 (file)
@@ -1533,6 +1533,7 @@ struct bnx2x {
        struct link_vars        link_vars;
        u32                     link_cnt;
        struct bnx2x_link_report_data last_reported_link;
+       bool                    force_link_down;
 
        struct mdio_if_info     mdio;
 
index 8cd73ff5debc276aec53d1f056fe3040875b2c0a..af7b5a4d8ba044800b0eb229d8c989c564515e94 100644 (file)
@@ -1261,6 +1261,11 @@ void __bnx2x_link_report(struct bnx2x *bp)
 {
        struct bnx2x_link_report_data cur_data;
 
+       if (bp->force_link_down) {
+               bp->link_vars.link_up = 0;
+               return;
+       }
+
        /* reread mf_cfg */
        if (IS_PF(bp) && !CHIP_IS_E1(bp))
                bnx2x_read_mf_cfg(bp);
@@ -2817,6 +2822,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
                bp->pending_max = 0;
        }
 
+       bp->force_link_down = false;
        if (bp->port.pmf) {
                rc = bnx2x_initial_phy_init(bp, load_mode);
                if (rc)
index 5b1ed240bf18be0963cc580ab4256b6adc924046..57348f2b49a31fd5b1ef5a67d2ba1e7945768ab0 100644 (file)
@@ -10279,6 +10279,12 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work)
                bp->sp_rtnl_state = 0;
                smp_mb();
 
+               /* Immediately indicate link as down */
+               bp->link_vars.link_up = 0;
+               bp->force_link_down = true;
+               netif_carrier_off(bp->dev);
+               BNX2X_ERR("Indicating link is down due to Tx-timeout\n");
+
                bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
                /* When ret value shows failure of allocation failure,
                 * the nic is rebooted again. If open still fails, a error
index 30273a7717e2df797890da57e229ce31e9d957e2..4fd829b5e65d14b56337e63fc480dd72c8420eeb 100644 (file)
@@ -660,7 +660,7 @@ static int cnic_init_id_tbl(struct cnic_id_tbl *id_tbl, u32 size, u32 start_id,
        id_tbl->max = size;
        id_tbl->next = next;
        spin_lock_init(&id_tbl->lock);
-       id_tbl->table = kcalloc(DIV_ROUND_UP(size, 32), 4, GFP_KERNEL);
+       id_tbl->table = kcalloc(BITS_TO_LONGS(size), sizeof(long), GFP_KERNEL);
        if (!id_tbl->table)
                return -ENOMEM;
 
index 3e93df5d4e3b2573f88cc427e7eefc6d1930e3ff..96cc03a6d9420f52c7c871f52f32c8e9b8973bbb 100644 (file)
@@ -3726,6 +3726,8 @@ static int at91ether_init(struct platform_device *pdev)
        int err;
        u32 reg;
 
+       bp->queues[0].bp = bp;
+
        dev->netdev_ops = &at91ether_netdev_ops;
        dev->ethtool_ops = &macb_ethtool_ops;
 
index 2220c771092b46e8fb583d46ea99d5829e1793d0..678835136bf8069326067feaa46f8465db4e38d4 100644 (file)
@@ -170,10 +170,7 @@ static int gem_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
 
        if (delta > TSU_NSEC_MAX_VAL) {
                gem_tsu_get_time(&bp->ptp_clock_info, &now);
-               if (sign)
-                       now = timespec64_sub(now, then);
-               else
-                       now = timespec64_add(now, then);
+               now = timespec64_add(now, then);
 
                gem_tsu_set_time(&bp->ptp_clock_info,
                                 (const struct timespec64 *)&now);
index 07d2201530d26c85e26cf0987553451acad936a6..9fdd496b90ff47cb0f1147777ae7b9ca0071076d 100644 (file)
@@ -1,6 +1,6 @@
 config NET_CALXEDA_XGMAC
        tristate "Calxeda 1G/10G XGMAC Ethernet driver"
-       depends on HAS_IOMEM && HAS_DMA
+       depends on HAS_IOMEM
        depends on ARCH_HIGHBANK || COMPILE_TEST
        select CRC32
        help
index dd04a2f89ce62db6ea9bca433023d9aac4b10e23..bc03c175a3cdf1440aca2269b4483f59cdb3a9dc 100644 (file)
@@ -263,7 +263,7 @@ static void dcb_tx_queue_prio_enable(struct net_device *dev, int enable)
                                "Can't %s DCB Priority on port %d, TX Queue %d: err=%d\n",
                                enable ? "set" : "unset", pi->port_id, i, -err);
                else
-                       txq->dcb_prio = value;
+                       txq->dcb_prio = enable ? value : 0;
        }
 }
 
index 5f4e1ffa7b95fe4f8d2bb6447764951c51fffc67..ab02057ac7304f088242a2a07481820302d3556b 100644 (file)
@@ -125,6 +125,9 @@ MODULE_PARM_DESC(tx_timeout, "The Tx timeout in ms");
 /* Default alignment for start of data in an Rx FD */
 #define DPAA_FD_DATA_ALIGNMENT  16
 
+/* The DPAA requires 256 bytes reserved and mapped for the SGT */
+#define DPAA_SGT_SIZE 256
+
 /* Values for the L3R field of the FM Parse Results
  */
 /* L3 Type field: First IP Present IPv4 */
@@ -1617,8 +1620,8 @@ static struct sk_buff *dpaa_cleanup_tx_fd(const struct dpaa_priv *priv,
 
        if (unlikely(qm_fd_get_format(fd) == qm_fd_sg)) {
                nr_frags = skb_shinfo(skb)->nr_frags;
-               dma_unmap_single(dev, addr, qm_fd_get_offset(fd) +
-                                sizeof(struct qm_sg_entry) * (1 + nr_frags),
+               dma_unmap_single(dev, addr,
+                                qm_fd_get_offset(fd) + DPAA_SGT_SIZE,
                                 dma_dir);
 
                /* The sgt buffer has been allocated with netdev_alloc_frag(),
@@ -1903,8 +1906,7 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
        void *sgt_buf;
 
        /* get a page frag to store the SGTable */
-       sz = SKB_DATA_ALIGN(priv->tx_headroom +
-               sizeof(struct qm_sg_entry) * (1 + nr_frags));
+       sz = SKB_DATA_ALIGN(priv->tx_headroom + DPAA_SGT_SIZE);
        sgt_buf = netdev_alloc_frag(sz);
        if (unlikely(!sgt_buf)) {
                netdev_err(net_dev, "netdev_alloc_frag() failed for size %d\n",
@@ -1972,9 +1974,8 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
        skbh = (struct sk_buff **)buffer_start;
        *skbh = skb;
 
-       addr = dma_map_single(dev, buffer_start, priv->tx_headroom +
-                             sizeof(struct qm_sg_entry) * (1 + nr_frags),
-                             dma_dir);
+       addr = dma_map_single(dev, buffer_start,
+                             priv->tx_headroom + DPAA_SGT_SIZE, dma_dir);
        if (unlikely(dma_mapping_error(dev, addr))) {
                dev_err(dev, "DMA mapping failed");
                err = -EINVAL;
index ce6e24c74978a22a1d22383f0a5b4f38ffec7c00..ecbf6187e13a1fe3d6dba06015ff9cc49aed6224 100644 (file)
@@ -324,6 +324,10 @@ struct fman_port_qmi_regs {
 #define HWP_HXS_PHE_REPORT 0x00000800
 #define HWP_HXS_PCAC_PSTAT 0x00000100
 #define HWP_HXS_PCAC_PSTOP 0x00000001
+#define HWP_HXS_TCP_OFFSET 0xA
+#define HWP_HXS_UDP_OFFSET 0xB
+#define HWP_HXS_SH_PAD_REM 0x80000000
+
 struct fman_port_hwp_regs {
        struct {
                u32 ssa; /* Soft Sequence Attachment */
@@ -728,6 +732,10 @@ static void init_hwp(struct fman_port *port)
                iowrite32be(0xffffffff, &regs->pmda[i].lcv);
        }
 
+       /* Short packet padding removal from checksum calculation */
+       iowrite32be(HWP_HXS_SH_PAD_REM, &regs->pmda[HWP_HXS_TCP_OFFSET].ssa);
+       iowrite32be(HWP_HXS_SH_PAD_REM, &regs->pmda[HWP_HXS_UDP_OFFSET].ssa);
+
        start_port_hwp(port);
 }
 
index 8bcf470ff5f38a4e62842a5f31d5c0b45141ab85..fb1a7251f45d336978199d208af5e1a40eee1556 100644 (file)
@@ -5,7 +5,7 @@
 config NET_VENDOR_HISILICON
        bool "Hisilicon devices"
        default y
-       depends on (OF || ACPI) && HAS_DMA
+       depends on OF || ACPI
        depends on ARM || ARM64 || COMPILE_TEST
        ---help---
          If you have a network (Ethernet) card belonging to this class, say Y.
index e2e5cdc7119c3ed0e890f99c7b30996d72d280e9..4c0f7eda1166c5df202c3b9a71cc2e43516531fb 100644 (file)
@@ -439,6 +439,7 @@ static void rx_free_irq(struct hinic_rxq *rxq)
 {
        struct hinic_rq *rq = rxq->rq;
 
+       irq_set_affinity_hint(rq->irq, NULL);
        free_irq(rq->irq, rxq);
        rx_del_napi(rxq);
 }
index ed6dbcfd4e96fe8c59a668c4179fdbe15ced4a80..b151ae316546c2483aa91abfabc900b608e53e4a 100644 (file)
@@ -2199,9 +2199,10 @@ static bool i40e_is_non_eop(struct i40e_ring *rx_ring,
        return true;
 }
 
-#define I40E_XDP_PASS 0
-#define I40E_XDP_CONSUMED 1
-#define I40E_XDP_TX 2
+#define I40E_XDP_PASS          0
+#define I40E_XDP_CONSUMED      BIT(0)
+#define I40E_XDP_TX            BIT(1)
+#define I40E_XDP_REDIR         BIT(2)
 
 static int i40e_xmit_xdp_ring(struct xdp_frame *xdpf,
                              struct i40e_ring *xdp_ring);
@@ -2248,7 +2249,7 @@ static struct sk_buff *i40e_run_xdp(struct i40e_ring *rx_ring,
                break;
        case XDP_REDIRECT:
                err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
-               result = !err ? I40E_XDP_TX : I40E_XDP_CONSUMED;
+               result = !err ? I40E_XDP_REDIR : I40E_XDP_CONSUMED;
                break;
        default:
                bpf_warn_invalid_xdp_action(act);
@@ -2311,7 +2312,8 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
        unsigned int total_rx_bytes = 0, total_rx_packets = 0;
        struct sk_buff *skb = rx_ring->skb;
        u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
-       bool failure = false, xdp_xmit = false;
+       unsigned int xdp_xmit = 0;
+       bool failure = false;
        struct xdp_buff xdp;
 
        xdp.rxq = &rx_ring->xdp_rxq;
@@ -2372,8 +2374,10 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
                }
 
                if (IS_ERR(skb)) {
-                       if (PTR_ERR(skb) == -I40E_XDP_TX) {
-                               xdp_xmit = true;
+                       unsigned int xdp_res = -PTR_ERR(skb);
+
+                       if (xdp_res & (I40E_XDP_TX | I40E_XDP_REDIR)) {
+                               xdp_xmit |= xdp_res;
                                i40e_rx_buffer_flip(rx_ring, rx_buffer, size);
                        } else {
                                rx_buffer->pagecnt_bias++;
@@ -2427,12 +2431,14 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
                total_rx_packets++;
        }
 
-       if (xdp_xmit) {
+       if (xdp_xmit & I40E_XDP_REDIR)
+               xdp_do_flush_map();
+
+       if (xdp_xmit & I40E_XDP_TX) {
                struct i40e_ring *xdp_ring =
                        rx_ring->vsi->xdp_rings[rx_ring->queue_index];
 
                i40e_xdp_ring_update_tail(xdp_ring);
-               xdp_do_flush_map();
        }
 
        rx_ring->skb = skb;
index 3e87dbbc90246dba3a59e3f8ccded5885b441ae2..62e57b05a0aed3d9a02bf8d473aa49505608728f 100644 (file)
@@ -2186,9 +2186,10 @@ static struct sk_buff *ixgbe_build_skb(struct ixgbe_ring *rx_ring,
        return skb;
 }
 
-#define IXGBE_XDP_PASS 0
-#define IXGBE_XDP_CONSUMED 1
-#define IXGBE_XDP_TX 2
+#define IXGBE_XDP_PASS         0
+#define IXGBE_XDP_CONSUMED     BIT(0)
+#define IXGBE_XDP_TX           BIT(1)
+#define IXGBE_XDP_REDIR                BIT(2)
 
 static int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
                               struct xdp_frame *xdpf);
@@ -2225,7 +2226,7 @@ static struct sk_buff *ixgbe_run_xdp(struct ixgbe_adapter *adapter,
        case XDP_REDIRECT:
                err = xdp_do_redirect(adapter->netdev, xdp, xdp_prog);
                if (!err)
-                       result = IXGBE_XDP_TX;
+                       result = IXGBE_XDP_REDIR;
                else
                        result = IXGBE_XDP_CONSUMED;
                break;
@@ -2285,7 +2286,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
        unsigned int mss = 0;
 #endif /* IXGBE_FCOE */
        u16 cleaned_count = ixgbe_desc_unused(rx_ring);
-       bool xdp_xmit = false;
+       unsigned int xdp_xmit = 0;
        struct xdp_buff xdp;
 
        xdp.rxq = &rx_ring->xdp_rxq;
@@ -2328,8 +2329,10 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
                }
 
                if (IS_ERR(skb)) {
-                       if (PTR_ERR(skb) == -IXGBE_XDP_TX) {
-                               xdp_xmit = true;
+                       unsigned int xdp_res = -PTR_ERR(skb);
+
+                       if (xdp_res & (IXGBE_XDP_TX | IXGBE_XDP_REDIR)) {
+                               xdp_xmit |= xdp_res;
                                ixgbe_rx_buffer_flip(rx_ring, rx_buffer, size);
                        } else {
                                rx_buffer->pagecnt_bias++;
@@ -2401,7 +2404,10 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
                total_rx_packets++;
        }
 
-       if (xdp_xmit) {
+       if (xdp_xmit & IXGBE_XDP_REDIR)
+               xdp_do_flush_map();
+
+       if (xdp_xmit & IXGBE_XDP_TX) {
                struct ixgbe_ring *ring = adapter->xdp_ring[smp_processor_id()];
 
                /* Force memory writes to complete before letting h/w
@@ -2409,8 +2415,6 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
                 */
                wmb();
                writel(ring->next_to_use, ring->tail);
-
-               xdp_do_flush_map();
        }
 
        u64_stats_update_begin(&rx_ring->syncp);
index cc2f7701e71e1b033c4bd7ceb78c970351f4d9ee..f33fd22b351c856a3544cdd9628a9da500d13abf 100644 (file)
@@ -18,8 +18,8 @@ if NET_VENDOR_MARVELL
 
 config MV643XX_ETH
        tristate "Marvell Discovery (643XX) and Orion ethernet support"
-       depends on (MV64X60 || PPC32 || PLAT_ORION || COMPILE_TEST) && INET
-       depends on HAS_DMA
+       depends on MV64X60 || PPC32 || PLAT_ORION || COMPILE_TEST
+       depends on INET
        select PHYLIB
        select MVMDIO
        ---help---
@@ -58,7 +58,6 @@ config MVNETA_BM_ENABLE
 config MVNETA
        tristate "Marvell Armada 370/38x/XP/37xx network interface support"
        depends on ARCH_MVEBU || COMPILE_TEST
-       depends on HAS_DMA
        select MVMDIO
        select PHYLINK
        ---help---
@@ -84,7 +83,6 @@ config MVNETA_BM
 config MVPP2
        tristate "Marvell Armada 375/7K/8K network interface support"
        depends on ARCH_MVEBU || COMPILE_TEST
-       depends on HAS_DMA
        select MVMDIO
        select PHYLINK
        ---help---
@@ -93,7 +91,7 @@ config MVPP2
 
 config PXA168_ETH
        tristate "Marvell pxa168 ethernet support"
-       depends on HAS_IOMEM && HAS_DMA
+       depends on HAS_IOMEM
        depends on CPU_PXA168 || ARCH_BERLIN || COMPILE_TEST
        select PHYLIB
        ---help---
index 17a904cc6a5e0fbe538f42ec2b00573e035c2955..0ad2f3f7da85a029b5dea7dd3ce67b69d4ff8605 100644 (file)
@@ -1932,7 +1932,7 @@ static int mvneta_rx_swbm(struct mvneta_port *pp, int rx_todo,
                rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE);
                index = rx_desc - rxq->descs;
                data = rxq->buf_virt_addr[index];
-               phys_addr = rx_desc->buf_phys_addr;
+               phys_addr = rx_desc->buf_phys_addr - pp->rx_offset_correction;
 
                if (!mvneta_rxq_desc_is_first_last(rx_status) ||
                    (rx_status & MVNETA_RXD_ERR_SUMMARY)) {
index 487388aed98f22cc9ae814fd60d27b48d5105458..384c1fa490811ee651919c139b9cd9e724d4ff81 100644 (file)
@@ -807,6 +807,7 @@ static void cmd_work_handler(struct work_struct *work)
        unsigned long flags;
        bool poll_cmd = ent->polling;
        int alloc_ret;
+       int cmd_mode;
 
        sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
        down(sem);
@@ -853,6 +854,7 @@ static void cmd_work_handler(struct work_struct *work)
        set_signature(ent, !cmd->checksum_disabled);
        dump_command(dev, ent, 1);
        ent->ts1 = ktime_get_ns();
+       cmd_mode = cmd->mode;
 
        if (ent->callback)
                schedule_delayed_work(&ent->cb_timeout_work, cb_timeout);
@@ -877,7 +879,7 @@ static void cmd_work_handler(struct work_struct *work)
        iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell);
        mmiowb();
        /* if not in polling don't use ent after this point */
-       if (cmd->mode == CMD_MODE_POLLING || poll_cmd) {
+       if (cmd_mode == CMD_MODE_POLLING || poll_cmd) {
                poll_timeout(ent);
                /* make sure we read the descriptor after ownership is SW */
                rmb();
@@ -1276,7 +1278,7 @@ static ssize_t outlen_write(struct file *filp, const char __user *buf,
 {
        struct mlx5_core_dev *dev = filp->private_data;
        struct mlx5_cmd_debug *dbg = &dev->cmd.dbg;
-       char outlen_str[8];
+       char outlen_str[8] = {0};
        int outlen;
        void *ptr;
        int err;
@@ -1291,8 +1293,6 @@ static ssize_t outlen_write(struct file *filp, const char __user *buf,
        if (copy_from_user(outlen_str, buf, count))
                return -EFAULT;
 
-       outlen_str[7] = 0;
-
        err = sscanf(outlen_str, "%d", &outlen);
        if (err < 0)
                return err;
index 56c1b6f5593e053d4629b15635bacf1ece9d6a88..dae4156a710ddc60467999ab56c67b7ff31914db 100644 (file)
@@ -2846,7 +2846,7 @@ void mlx5e_activate_priv_channels(struct mlx5e_priv *priv)
        mlx5e_activate_channels(&priv->channels);
        netif_tx_start_all_queues(priv->netdev);
 
-       if (MLX5_VPORT_MANAGER(priv->mdev))
+       if (MLX5_ESWITCH_MANAGER(priv->mdev))
                mlx5e_add_sqs_fwd_rules(priv);
 
        mlx5e_wait_channels_min_rx_wqes(&priv->channels);
@@ -2857,7 +2857,7 @@ void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv)
 {
        mlx5e_redirect_rqts_to_drop(priv);
 
-       if (MLX5_VPORT_MANAGER(priv->mdev))
+       if (MLX5_ESWITCH_MANAGER(priv->mdev))
                mlx5e_remove_sqs_fwd_rules(priv);
 
        /* FIXME: This is a W/A only for tx timeout watch dog false alarm when
@@ -4597,7 +4597,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
        mlx5e_set_netdev_dev_addr(netdev);
 
 #if IS_ENABLED(CONFIG_MLX5_ESWITCH)
-       if (MLX5_VPORT_MANAGER(mdev))
+       if (MLX5_ESWITCH_MANAGER(mdev))
                netdev->switchdev_ops = &mlx5e_switchdev_ops;
 #endif
 
@@ -4753,7 +4753,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
 
        mlx5e_enable_async_events(priv);
 
-       if (MLX5_VPORT_MANAGER(priv->mdev))
+       if (MLX5_ESWITCH_MANAGER(priv->mdev))
                mlx5e_register_vport_reps(priv);
 
        if (netdev->reg_state != NETREG_REGISTERED)
@@ -4788,7 +4788,7 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv)
 
        queue_work(priv->wq, &priv->set_rx_mode_work);
 
-       if (MLX5_VPORT_MANAGER(priv->mdev))
+       if (MLX5_ESWITCH_MANAGER(priv->mdev))
                mlx5e_unregister_vport_reps(priv);
 
        mlx5e_disable_async_events(priv);
@@ -4972,7 +4972,7 @@ static void *mlx5e_add(struct mlx5_core_dev *mdev)
                return NULL;
 
 #ifdef CONFIG_MLX5_ESWITCH
-       if (MLX5_VPORT_MANAGER(mdev)) {
+       if (MLX5_ESWITCH_MANAGER(mdev)) {
                rpriv = mlx5e_alloc_nic_rep_priv(mdev);
                if (!rpriv) {
                        mlx5_core_warn(mdev, "Failed to alloc NIC rep priv data\n");
index 57987f6546e8357bdfaeb3e657e0f07fe47d940a..2b8040a3cdbd7c2f74bb854bd8141ba379ea37de 100644 (file)
@@ -823,7 +823,7 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
        struct mlx5e_rep_priv *rpriv = priv->ppriv;
        struct mlx5_eswitch_rep *rep;
 
-       if (!MLX5_CAP_GEN(priv->mdev, vport_group_manager))
+       if (!MLX5_ESWITCH_MANAGER(priv->mdev))
                return false;
 
        rep = rpriv->rep;
@@ -837,8 +837,12 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
 static bool mlx5e_is_vf_vport_rep(struct mlx5e_priv *priv)
 {
        struct mlx5e_rep_priv *rpriv = priv->ppriv;
-       struct mlx5_eswitch_rep *rep = rpriv->rep;
+       struct mlx5_eswitch_rep *rep;
 
+       if (!MLX5_ESWITCH_MANAGER(priv->mdev))
+               return false;
+
+       rep = rpriv->rep;
        if (rep && rep->vport != FDB_UPLINK_VPORT)
                return true;
 
index f63dfbcd29fea1efc2237d6dcecdbdd74259e1a0..b79d74860a304669eb4e05cf03fa0a267213926a 100644 (file)
@@ -1594,17 +1594,15 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num)
 }
 
 /* Public E-Switch API */
-#define ESW_ALLOWED(esw) ((esw) && MLX5_VPORT_MANAGER((esw)->dev))
+#define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev))
+
 
 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode)
 {
        int err;
        int i, enabled_events;
 
-       if (!ESW_ALLOWED(esw))
-               return 0;
-
-       if (!MLX5_CAP_GEN(esw->dev, eswitch_flow_table) ||
+       if (!ESW_ALLOWED(esw) ||
            !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) {
                esw_warn(esw->dev, "E-Switch FDB is not supported, aborting ...\n");
                return -EOPNOTSUPP;
@@ -1806,7 +1804,7 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
        u64 node_guid;
        int err = 0;
 
-       if (!ESW_ALLOWED(esw))
+       if (!MLX5_CAP_GEN(esw->dev, vport_group_manager))
                return -EPERM;
        if (!LEGAL_VPORT(esw, vport) || is_multicast_ether_addr(mac))
                return -EINVAL;
@@ -1883,7 +1881,7 @@ int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
 {
        struct mlx5_vport *evport;
 
-       if (!ESW_ALLOWED(esw))
+       if (!MLX5_CAP_GEN(esw->dev, vport_group_manager))
                return -EPERM;
        if (!LEGAL_VPORT(esw, vport))
                return -EINVAL;
index cecd201f0b73ab8a42693a79070c21bcc850d6e4..91f1209886ffdbb37af33ac32369f312296f8bfa 100644 (file)
@@ -1079,8 +1079,8 @@ static int mlx5_devlink_eswitch_check(struct devlink *devlink)
        if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
                return -EOPNOTSUPP;
 
-       if (!MLX5_CAP_GEN(dev, vport_group_manager))
-               return -EOPNOTSUPP;
+       if(!MLX5_ESWITCH_MANAGER(dev))
+               return -EPERM;
 
        if (dev->priv.eswitch->mode == SRIOV_NONE)
                return -EOPNOTSUPP;
index 49a75d31185ecf25ff93c5f3a9beec6b48be28a1..f1a86cea86a0e24c5128e50f23bbba8a33112b7d 100644 (file)
@@ -32,6 +32,7 @@
 
 #include <linux/mutex.h>
 #include <linux/mlx5/driver.h>
+#include <linux/mlx5/eswitch.h>
 
 #include "mlx5_core.h"
 #include "fs_core.h"
@@ -2652,7 +2653,7 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
                        goto err;
        }
 
-       if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+       if (MLX5_ESWITCH_MANAGER(dev)) {
                if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, ft_support)) {
                        err = init_fdb_root_ns(steering);
                        if (err)
index afd9f4fa22f40b70506fafa49f29cf647c22a959..41ad24f0de2cf9d171e586df3b9d167515d3cb03 100644 (file)
@@ -32,6 +32,7 @@
 
 #include <linux/mlx5/driver.h>
 #include <linux/mlx5/cmd.h>
+#include <linux/mlx5/eswitch.h>
 #include <linux/module.h>
 #include "mlx5_core.h"
 #include "../../mlxfw/mlxfw.h"
@@ -159,13 +160,13 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
        }
 
        if (MLX5_CAP_GEN(dev, vport_group_manager) &&
-           MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+           MLX5_ESWITCH_MANAGER(dev)) {
                err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE);
                if (err)
                        return err;
        }
 
-       if (MLX5_CAP_GEN(dev, eswitch_flow_table)) {
+       if (MLX5_ESWITCH_MANAGER(dev)) {
                err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH);
                if (err)
                        return err;
index 7cb67122e8b5f04371651e1c1e2757acb281a36e..98359559c77e4286df95df17651a4b9f2ca8e427 100644 (file)
@@ -33,6 +33,7 @@
 #include <linux/etherdevice.h>
 #include <linux/mlx5/driver.h>
 #include <linux/mlx5/mlx5_ifc.h>
+#include <linux/mlx5/eswitch.h>
 #include "mlx5_core.h"
 #include "lib/mpfs.h"
 
@@ -98,7 +99,7 @@ int mlx5_mpfs_init(struct mlx5_core_dev *dev)
        int l2table_size = 1 << MLX5_CAP_GEN(dev, log_max_l2_table);
        struct mlx5_mpfs *mpfs;
 
-       if (!MLX5_VPORT_MANAGER(dev))
+       if (!MLX5_ESWITCH_MANAGER(dev))
                return 0;
 
        mpfs = kzalloc(sizeof(*mpfs), GFP_KERNEL);
@@ -122,7 +123,7 @@ void mlx5_mpfs_cleanup(struct mlx5_core_dev *dev)
 {
        struct mlx5_mpfs *mpfs = dev->priv.mpfs;
 
-       if (!MLX5_VPORT_MANAGER(dev))
+       if (!MLX5_ESWITCH_MANAGER(dev))
                return;
 
        WARN_ON(!hlist_empty(mpfs->hash));
@@ -137,7 +138,7 @@ int mlx5_mpfs_add_mac(struct mlx5_core_dev *dev, u8 *mac)
        u32 index;
        int err;
 
-       if (!MLX5_VPORT_MANAGER(dev))
+       if (!MLX5_ESWITCH_MANAGER(dev))
                return 0;
 
        mutex_lock(&mpfs->lock);
@@ -179,7 +180,7 @@ int mlx5_mpfs_del_mac(struct mlx5_core_dev *dev, u8 *mac)
        int err = 0;
        u32 index;
 
-       if (!MLX5_VPORT_MANAGER(dev))
+       if (!MLX5_ESWITCH_MANAGER(dev))
                return 0;
 
        mutex_lock(&mpfs->lock);
index fa9d0760dd36ffda5c2c439f12bbdffab6320ccd..31a9cbd85689b01fc0bfe9e6c221d73cc7c5fe13 100644 (file)
@@ -701,7 +701,7 @@ EXPORT_SYMBOL_GPL(mlx5_query_port_prio_tc);
 static int mlx5_set_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *in,
                                   int inlen)
 {
-       u32 out[MLX5_ST_SZ_DW(qtct_reg)];
+       u32 out[MLX5_ST_SZ_DW(qetc_reg)];
 
        if (!MLX5_CAP_GEN(mdev, ets))
                return -EOPNOTSUPP;
@@ -713,7 +713,7 @@ static int mlx5_set_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *in,
 static int mlx5_query_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *out,
                                     int outlen)
 {
-       u32 in[MLX5_ST_SZ_DW(qtct_reg)];
+       u32 in[MLX5_ST_SZ_DW(qetc_reg)];
 
        if (!MLX5_CAP_GEN(mdev, ets))
                return -EOPNOTSUPP;
index 2a8b529ce6dd176cbc29b9bb4b74cd1d1c48f671..a0674962f02c4d2a35d05c98f84436967703101c 100644 (file)
@@ -88,6 +88,9 @@ static int mlx5_device_enable_sriov(struct mlx5_core_dev *dev, int num_vfs)
                return -EBUSY;
        }
 
+       if (!MLX5_ESWITCH_MANAGER(dev))
+               goto enable_vfs_hca;
+
        err = mlx5_eswitch_enable_sriov(dev->priv.eswitch, num_vfs, SRIOV_LEGACY);
        if (err) {
                mlx5_core_warn(dev,
@@ -95,6 +98,7 @@ static int mlx5_device_enable_sriov(struct mlx5_core_dev *dev, int num_vfs)
                return err;
        }
 
+enable_vfs_hca:
        for (vf = 0; vf < num_vfs; vf++) {
                err = mlx5_core_enable_hca(dev, vf + 1);
                if (err) {
@@ -140,7 +144,8 @@ static void mlx5_device_disable_sriov(struct mlx5_core_dev *dev)
        }
 
 out:
-       mlx5_eswitch_disable_sriov(dev->priv.eswitch);
+       if (MLX5_ESWITCH_MANAGER(dev))
+               mlx5_eswitch_disable_sriov(dev->priv.eswitch);
 
        if (mlx5_wait_for_vf_pages(dev))
                mlx5_core_warn(dev, "timeout reclaiming VFs pages\n");
index 719cecb182c6c4eb5579eb1b36601acb6c0d0c5c..7eecd5b07bb1931bf3041b1ae12b0f3f5154405a 100644 (file)
@@ -549,8 +549,6 @@ int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
                return -EINVAL;
        if (!MLX5_CAP_GEN(mdev, vport_group_manager))
                return -EACCES;
-       if (!MLX5_CAP_ESW(mdev, nic_vport_node_guid_modify))
-               return -EOPNOTSUPP;
 
        in = kvzalloc(inlen, GFP_KERNEL);
        if (!in)
index f4d9c9975ac3d857f50ef255756ea23a7a11fdb5..82827a8d3d67cac73ac3f6c232e3f750553deddc 100644 (file)
@@ -30,7 +30,7 @@ config MLXSW_CORE_THERMAL
 
 config MLXSW_PCI
        tristate "PCI bus implementation for Mellanox Technologies Switch ASICs"
-       depends on PCI && HAS_DMA && HAS_IOMEM && MLXSW_CORE
+       depends on PCI && HAS_IOMEM && MLXSW_CORE
        default m
        ---help---
          This is PCI bus implementation for Mellanox Technologies Switch ASICs.
index fb2c8f8071e64d3b6d52865ecaddf17f841a2b9d..776a8a9be8e3551311f5a99ba0285c4c698cf10a 100644 (file)
@@ -344,10 +344,9 @@ static int ocelot_port_stop(struct net_device *dev)
 static int ocelot_gen_ifh(u32 *ifh, struct frame_info *info)
 {
        ifh[0] = IFH_INJ_BYPASS;
-       ifh[1] = (0xff00 & info->port) >> 8;
+       ifh[1] = (0xf00 & info->port) >> 8;
        ifh[2] = (0xff & info->port) << 24;
-       ifh[3] = IFH_INJ_POP_CNT_DISABLE | (info->cpuq << 20) |
-                (info->tag_type << 16) | info->vid;
+       ifh[3] = (info->tag_type << 16) | info->vid;
 
        return 0;
 }
@@ -370,11 +369,13 @@ static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev)
                         QS_INJ_CTRL_SOF, QS_INJ_CTRL, grp);
 
        info.port = BIT(port->chip_port);
-       info.cpuq = 0xff;
+       info.tag_type = IFH_TAG_TYPE_C;
+       info.vid = skb_vlan_tag_get(skb);
        ocelot_gen_ifh(ifh, &info);
 
        for (i = 0; i < IFH_LEN; i++)
-               ocelot_write_rix(ocelot, ifh[i], QS_INJ_WR, grp);
+               ocelot_write_rix(ocelot, (__force u32)cpu_to_be32(ifh[i]),
+                                QS_INJ_WR, grp);
 
        count = (skb->len + 3) / 4;
        last = skb->len % 4;
index fcdfb8e7fdeab0b9dcb353f4cd4a7d76370c9817..40216d56dddcb73d997ed4e4c48e63868610da89 100644 (file)
@@ -81,10 +81,10 @@ nfp_bpf_xdp_offload(struct nfp_app *app, struct nfp_net *nn,
 
        ret = nfp_net_bpf_offload(nn, prog, running, extack);
        /* Stop offload if replace not possible */
-       if (ret && prog)
-               nfp_bpf_xdp_offload(app, nn, NULL, extack);
+       if (ret)
+               return ret;
 
-       nn->dp.bpf_offload_xdp = prog && !ret;
+       nn->dp.bpf_offload_xdp = !!prog;
        return ret;
 }
 
@@ -202,6 +202,9 @@ static int nfp_bpf_setup_tc_block(struct net_device *netdev,
        if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
                return -EOPNOTSUPP;
 
+       if (tcf_block_shared(f->block))
+               return -EOPNOTSUPP;
+
        switch (f->command) {
        case TC_BLOCK_BIND:
                return tcf_block_cb_register(f->block,
index 91935405f5861678077c188328d365ed5cb2ba7f..84f7a5dbea9d5bf17abd88416cc5a41f2fa4770b 100644 (file)
@@ -123,6 +123,20 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *frame,
                         NFP_FLOWER_MASK_MPLS_Q;
 
                frame->mpls_lse = cpu_to_be32(t_mpls);
+       } else if (dissector_uses_key(flow->dissector,
+                                     FLOW_DISSECTOR_KEY_BASIC)) {
+               /* Check for mpls ether type and set NFP_FLOWER_MASK_MPLS_Q
+                * bit, which indicates an mpls ether type but without any
+                * mpls fields.
+                */
+               struct flow_dissector_key_basic *key_basic;
+
+               key_basic = skb_flow_dissector_target(flow->dissector,
+                                                     FLOW_DISSECTOR_KEY_BASIC,
+                                                     flow->key);
+               if (key_basic->n_proto == cpu_to_be16(ETH_P_MPLS_UC) ||
+                   key_basic->n_proto == cpu_to_be16(ETH_P_MPLS_MC))
+                       frame->mpls_lse = cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
        }
 }
 
index c42e64f32333f84640ff913b61ff199701e1b404..525057bee0ed8978f360d6eeb8293d8a990a0f22 100644 (file)
@@ -264,6 +264,14 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
                case cpu_to_be16(ETH_P_ARP):
                        return -EOPNOTSUPP;
 
+               case cpu_to_be16(ETH_P_MPLS_UC):
+               case cpu_to_be16(ETH_P_MPLS_MC):
+                       if (!(key_layer & NFP_FLOWER_LAYER_MAC)) {
+                               key_layer |= NFP_FLOWER_LAYER_MAC;
+                               key_size += sizeof(struct nfp_flower_mac_mpls);
+                       }
+                       break;
+
                /* Will be included in layer 2. */
                case cpu_to_be16(ETH_P_8021Q):
                        break;
@@ -623,6 +631,9 @@ static int nfp_flower_setup_tc_block(struct net_device *netdev,
        if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
                return -EOPNOTSUPP;
 
+       if (tcf_block_shared(f->block))
+               return -EOPNOTSUPP;
+
        switch (f->command) {
        case TC_BLOCK_BIND:
                return tcf_block_cb_register(f->block,
index 46b76d5a726c6ade2c48c000172a3d9ba9db7253..152283d7e59c8f4a7a69b45f520a7c9625e9ce16 100644 (file)
@@ -240,7 +240,6 @@ static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf)
                return pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs);
 
        pf->limit_vfs = ~0;
-       pci_sriov_set_totalvfs(pf->pdev, 0); /* 0 is unset */
        /* Allow any setting for backwards compatibility if symbol not found */
        if (err == -ENOENT)
                return 0;
@@ -668,7 +667,7 @@ static int nfp_pci_probe(struct pci_dev *pdev,
 
        err = nfp_net_pci_probe(pf);
        if (err)
-               goto err_sriov_unlimit;
+               goto err_fw_unload;
 
        err = nfp_hwmon_register(pf);
        if (err) {
@@ -680,8 +679,6 @@ static int nfp_pci_probe(struct pci_dev *pdev,
 
 err_net_remove:
        nfp_net_pci_remove(pf);
-err_sriov_unlimit:
-       pci_sriov_set_totalvfs(pf->pdev, 0);
 err_fw_unload:
        kfree(pf->rtbl);
        nfp_mip_close(pf->mip);
@@ -715,7 +712,6 @@ static void nfp_pci_remove(struct pci_dev *pdev)
        nfp_hwmon_unregister(pf);
 
        nfp_pcie_sriov_disable(pdev);
-       pci_sriov_set_totalvfs(pf->pdev, 0);
 
        nfp_net_pci_remove(pf);
 
index cd34097b79f1be9d313d8f28b9701bb5bd6a3100..37a6d7822a3860647c416efeff47c7a7837a3a85 100644 (file)
@@ -232,7 +232,7 @@ struct nfp_nffw_info *nfp_nffw_info_open(struct nfp_cpp *cpp)
        err = nfp_cpp_read(cpp, nfp_resource_cpp_id(state->res),
                           nfp_resource_address(state->res),
                           fwinf, sizeof(*fwinf));
-       if (err < sizeof(*fwinf))
+       if (err < (int)sizeof(*fwinf))
                goto err_release;
 
        if (!nffw_res_flg_init_get(fwinf))
index f0b01385d5cb51ac2127ec88460d2231e62df33f..e0680ce9132815568914dff86606363b9a02cb88 100644 (file)
@@ -709,9 +709,9 @@ qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn,
        p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
 
        memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id,
-              ARRAY_SIZE(p_local->local_chassis_id));
+              sizeof(p_local->local_chassis_id));
        memcpy(params->lldp_local.local_port_id, p_local->local_port_id,
-              ARRAY_SIZE(p_local->local_port_id));
+              sizeof(p_local->local_port_id));
 }
 
 static void
@@ -723,9 +723,9 @@ qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn,
        p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
 
        memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id,
-              ARRAY_SIZE(p_remote->peer_chassis_id));
+              sizeof(p_remote->peer_chassis_id));
        memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
-              ARRAY_SIZE(p_remote->peer_port_id));
+              sizeof(p_remote->peer_port_id));
 }
 
 static int
index 329781cda77fbecc88328ea95f00e39d4be5db9b..e5249b4741d03f7c347c70a861288b787653741a 100644 (file)
@@ -1804,7 +1804,7 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
                        DP_INFO(p_hwfn, "Failed to update driver state\n");
 
                rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt,
-                                              QED_OV_ESWITCH_VEB);
+                                              QED_OV_ESWITCH_NONE);
                if (rc)
                        DP_INFO(p_hwfn, "Failed to update eswitch mode\n");
        }
index 5c10fd7210c37ff658d312a6f57f4f7e8b69b77c..0cbc74d6ca8b4914b01c4e12a253a59dcee21bf8 100644 (file)
@@ -789,6 +789,14 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
        /* We want a minimum of one slowpath and one fastpath vector per hwfn */
        cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
 
+       if (is_kdump_kernel()) {
+               DP_INFO(cdev,
+                       "Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
+                       cdev->int_params.in.min_msix_cnt);
+               cdev->int_params.in.num_vectors =
+                       cdev->int_params.in.min_msix_cnt;
+       }
+
        rc = qed_set_int_mode(cdev, false);
        if (rc)  {
                DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
index f01bf52bc381f6f02c33ee3d9df4a90982cf8245..fd59cf45f4be8cb008d8728398870cc1ab41210b 100644 (file)
@@ -4513,6 +4513,8 @@ static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
 static int qed_sriov_enable(struct qed_dev *cdev, int num)
 {
        struct qed_iov_vf_init_params params;
+       struct qed_hwfn *hwfn;
+       struct qed_ptt *ptt;
        int i, j, rc;
 
        if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
@@ -4525,8 +4527,8 @@ static int qed_sriov_enable(struct qed_dev *cdev, int num)
 
        /* Initialize HW for VF access */
        for_each_hwfn(cdev, j) {
-               struct qed_hwfn *hwfn = &cdev->hwfns[j];
-               struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
+               hwfn = &cdev->hwfns[j];
+               ptt = qed_ptt_acquire(hwfn);
 
                /* Make sure not to use more than 16 queues per VF */
                params.num_queues = min_t(int,
@@ -4562,6 +4564,19 @@ static int qed_sriov_enable(struct qed_dev *cdev, int num)
                goto err;
        }
 
+       hwfn = QED_LEADING_HWFN(cdev);
+       ptt = qed_ptt_acquire(hwfn);
+       if (!ptt) {
+               DP_ERR(hwfn, "Failed to acquire ptt\n");
+               rc = -EBUSY;
+               goto err;
+       }
+
+       rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
+       if (rc)
+               DP_INFO(cdev, "Failed to update eswitch mode\n");
+       qed_ptt_release(hwfn, ptt);
+
        return num;
 
 err:
index 02adb513f4756cb58c423936213bdcb4158d1dfa..013ff567283c738f342ca5d6f5358e30ca6daa72 100644 (file)
@@ -337,8 +337,14 @@ int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *info)
 {
        struct qede_ptp *ptp = edev->ptp;
 
-       if (!ptp)
-               return -EIO;
+       if (!ptp) {
+               info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+                                       SOF_TIMESTAMPING_RX_SOFTWARE |
+                                       SOF_TIMESTAMPING_SOFTWARE;
+               info->phc_index = -1;
+
+               return 0;
+       }
 
        info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
                                SOF_TIMESTAMPING_RX_SOFTWARE |
index 75dfac0248f45cb423fd9883e38349a456b1dc0d..f4cae2be0fda563e71f5b07f1798655169c8b683 100644 (file)
@@ -7148,7 +7148,7 @@ static void rtl8169_netpoll(struct net_device *dev)
 {
        struct rtl8169_private *tp = netdev_priv(dev);
 
-       rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), dev);
+       rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp);
 }
 #endif
 
index 27be51f0a421b43e191e594bdb6ebcd753b65eef..f3f7477043ce106155ca30ba7c07fb7d20e968bc 100644 (file)
@@ -17,7 +17,6 @@ if NET_VENDOR_RENESAS
 
 config SH_ETH
        tristate "Renesas SuperH Ethernet support"
-       depends on HAS_DMA
        depends on ARCH_RENESAS || SUPERH || COMPILE_TEST
        select CRC32
        select MII
@@ -31,7 +30,6 @@ config SH_ETH
 
 config RAVB
        tristate "Renesas Ethernet AVB support"
-       depends on HAS_DMA
        depends on ARCH_RENESAS || COMPILE_TEST
        select CRC32
        select MII
index ad4a354ce570e143a741e7ab7155ae84a8a5df34..570ec72266f37cac1626eb8358ffbf21bb536192 100644 (file)
@@ -3180,6 +3180,7 @@ bool efx_rps_check_rule(struct efx_arfs_rule *rule, unsigned int filter_idx,
        return true;
 }
 
+static
 struct hlist_head *efx_rps_hash_bucket(struct efx_nic *efx,
                                       const struct efx_filter_spec *spec)
 {
index 8edf20967c82c583bb59ace5f1f9c30dcfd1530d..e045a5d6b938f43f391a726f301d8911f156b32c 100644 (file)
@@ -2794,6 +2794,7 @@ int efx_farch_filter_table_probe(struct efx_nic *efx)
        if (!state)
                return -ENOMEM;
        efx->filter_state = state;
+       init_rwsem(&state->lock);
 
        table = &state->table[EFX_FARCH_FILTER_TABLE_RX_IP];
        table->id = EFX_FARCH_FILTER_TABLE_RX_IP;
index d37f17ca62fecf66a6b5af1c9aa105923310a341..65bc3556bd8f8c25b9b37421c80d6a663d8eb0db 100644 (file)
@@ -407,6 +407,16 @@ static void dwmac4_enable_tso(void __iomem *ioaddr, bool en, u32 chan)
        }
 }
 
+static void dwmac4_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan)
+{
+       u32 value = readl(ioaddr + DMA_CHAN_RX_CONTROL(chan));
+
+       value &= ~DMA_RBSZ_MASK;
+       value |= (bfsize << DMA_RBSZ_SHIFT) & DMA_RBSZ_MASK;
+
+       writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
+}
+
 const struct stmmac_dma_ops dwmac4_dma_ops = {
        .reset = dwmac4_dma_reset,
        .init = dwmac4_dma_init,
@@ -431,6 +441,7 @@ const struct stmmac_dma_ops dwmac4_dma_ops = {
        .set_rx_tail_ptr = dwmac4_set_rx_tail_ptr,
        .set_tx_tail_ptr = dwmac4_set_tx_tail_ptr,
        .enable_tso = dwmac4_enable_tso,
+       .set_bfsize = dwmac4_set_bfsize,
 };
 
 const struct stmmac_dma_ops dwmac410_dma_ops = {
@@ -457,4 +468,5 @@ const struct stmmac_dma_ops dwmac410_dma_ops = {
        .set_rx_tail_ptr = dwmac4_set_rx_tail_ptr,
        .set_tx_tail_ptr = dwmac4_set_tx_tail_ptr,
        .enable_tso = dwmac4_enable_tso,
+       .set_bfsize = dwmac4_set_bfsize,
 };
index c63c1fe3f26b9e4d5cb714ea3ceed56bf103b17e..22a4a6dbb1a4af42d3d7467e3ebca50efef57986 100644 (file)
 
 /* DMA Rx Channel X Control register defines */
 #define DMA_CONTROL_SR                 BIT(0)
+#define DMA_RBSZ_MASK                  GENMASK(14, 1)
+#define DMA_RBSZ_SHIFT                 1
 
 /* Interrupt status per channel */
 #define DMA_CHAN_STATUS_REB            GENMASK(21, 19)
index e44e7b26ce829be0eff000c6a68b064139d532b8..fe8b536b13f864bfff723ea2236a3e5982026533 100644 (file)
@@ -183,6 +183,7 @@ struct stmmac_dma_ops {
        void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
        void (*set_tx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
        void (*enable_tso)(void __iomem *ioaddr, bool en, u32 chan);
+       void (*set_bfsize)(void __iomem *ioaddr, int bfsize, u32 chan);
 };
 
 #define stmmac_reset(__priv, __args...) \
@@ -235,6 +236,8 @@ struct stmmac_dma_ops {
        stmmac_do_void_callback(__priv, dma, set_tx_tail_ptr, __args)
 #define stmmac_enable_tso(__priv, __args...) \
        stmmac_do_void_callback(__priv, dma, enable_tso, __args)
+#define stmmac_set_dma_bfsize(__priv, __args...) \
+       stmmac_do_void_callback(__priv, dma, set_bfsize, __args)
 
 struct mac_device_info;
 struct net_device;
index cba46b62a1cdd9571c9b82bb35503bc652c2782e..60f59abab009e6fcb077eeccacb545dddad47fa6 100644 (file)
@@ -1804,6 +1804,8 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
 
                stmmac_dma_rx_mode(priv, priv->ioaddr, rxmode, chan,
                                rxfifosz, qmode);
+               stmmac_set_dma_bfsize(priv, priv->ioaddr, priv->dma_buf_sz,
+                               chan);
        }
 
        for (chan = 0; chan < tx_channels_count; chan++) {
index cdbddf16dd2931ba66df103c064705d5f0aef350..4f1267477aa4b56b7f3e1d19420302728da56e7d 100644 (file)
@@ -205,7 +205,7 @@ static void cpdma_desc_pool_destroy(struct cpdma_ctlr *ctlr)
  * devices (e.g. cpsw switches) use plain old memory.  Descriptor pools
  * abstract out these details
  */
-int cpdma_desc_pool_create(struct cpdma_ctlr *ctlr)
+static int cpdma_desc_pool_create(struct cpdma_ctlr *ctlr)
 {
        struct cpdma_params *cpdma_params = &ctlr->params;
        struct cpdma_desc_pool *pool;
index a1a6445b5a7e2568af9e876f346b124958a51eee..f270beebb4289326baff5e86b33f47eae2eaa49b 100644 (file)
@@ -1387,6 +1387,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
 
 static int match_first_device(struct device *dev, void *data)
 {
+       if (dev->parent && dev->parent->of_node)
+               return of_device_is_compatible(dev->parent->of_node,
+                                              "ti,davinci_mdio");
+
        return !strncmp(dev_name(dev), "davinci_mdio", 12);
 }
 
index 750eaa53bf0ce59429d524ba0658ad6f488a4ba0..ada33c2d9ac20e01af4acec33727623204fda803 100644 (file)
@@ -476,7 +476,7 @@ static struct sk_buff **geneve_gro_receive(struct sock *sk,
 out_unlock:
        rcu_read_unlock();
 out:
-       NAPI_GRO_CB(skb)->flush |= flush;
+       skb_gro_flush_final(skb, pp, flush);
 
        return pp;
 }
index 1a924b867b0742b0aa3e5a15f4da3e6885173e74..4b6e308199d270cd455b7df0de20a8458f6b7941 100644 (file)
@@ -210,7 +210,7 @@ int netvsc_recv_callback(struct net_device *net,
 void netvsc_channel_cb(void *context);
 int netvsc_poll(struct napi_struct *napi, int budget);
 
-void rndis_set_subchannel(struct work_struct *w);
+int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev);
 int rndis_filter_open(struct netvsc_device *nvdev);
 int rndis_filter_close(struct netvsc_device *nvdev);
 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
index 5d5bd513847fff4ff353e7c58d9967a354d06955..8e9d0ee1572b97120546171f2487240e6e21bc43 100644 (file)
@@ -65,6 +65,41 @@ void netvsc_switch_datapath(struct net_device *ndev, bool vf)
                               VM_PKT_DATA_INBAND, 0);
 }
 
+/* Worker to setup sub channels on initial setup
+ * Initial hotplug event occurs in softirq context
+ * and can't wait for channels.
+ */
+static void netvsc_subchan_work(struct work_struct *w)
+{
+       struct netvsc_device *nvdev =
+               container_of(w, struct netvsc_device, subchan_work);
+       struct rndis_device *rdev;
+       int i, ret;
+
+       /* Avoid deadlock with device removal already under RTNL */
+       if (!rtnl_trylock()) {
+               schedule_work(w);
+               return;
+       }
+
+       rdev = nvdev->extension;
+       if (rdev) {
+               ret = rndis_set_subchannel(rdev->ndev, nvdev);
+               if (ret == 0) {
+                       netif_device_attach(rdev->ndev);
+               } else {
+                       /* fallback to only primary channel */
+                       for (i = 1; i < nvdev->num_chn; i++)
+                               netif_napi_del(&nvdev->chan_table[i].napi);
+
+                       nvdev->max_chn = 1;
+                       nvdev->num_chn = 1;
+               }
+       }
+
+       rtnl_unlock();
+}
+
 static struct netvsc_device *alloc_net_device(void)
 {
        struct netvsc_device *net_device;
@@ -81,7 +116,7 @@ static struct netvsc_device *alloc_net_device(void)
 
        init_completion(&net_device->channel_init_wait);
        init_waitqueue_head(&net_device->subchan_open);
-       INIT_WORK(&net_device->subchan_work, rndis_set_subchannel);
+       INIT_WORK(&net_device->subchan_work, netvsc_subchan_work);
 
        return net_device;
 }
index fe2256bf1d137fea6b76c5e3a564b191e2b5da7c..dd1d6e115145d4c14fb25d1883d1e42614e211a9 100644 (file)
@@ -905,8 +905,20 @@ static int netvsc_attach(struct net_device *ndev,
        if (IS_ERR(nvdev))
                return PTR_ERR(nvdev);
 
-       /* Note: enable and attach happen when sub-channels setup */
+       if (nvdev->num_chn > 1) {
+               ret = rndis_set_subchannel(ndev, nvdev);
+
+               /* if unavailable, just proceed with one queue */
+               if (ret) {
+                       nvdev->max_chn = 1;
+                       nvdev->num_chn = 1;
+               }
+       }
+
+       /* In any case device is now ready */
+       netif_device_attach(ndev);
 
+       /* Note: enable and attach happen when sub-channels setup */
        netif_carrier_off(ndev);
 
        if (netif_running(ndev)) {
@@ -2089,6 +2101,9 @@ static int netvsc_probe(struct hv_device *dev,
 
        memcpy(net->dev_addr, device_info.mac_adr, ETH_ALEN);
 
+       if (nvdev->num_chn > 1)
+               schedule_work(&nvdev->subchan_work);
+
        /* hw_features computed in rndis_netdev_set_hwcaps() */
        net->features = net->hw_features |
                NETIF_F_HIGHDMA | NETIF_F_SG |
index 5428bb26110262fdfb66daaac8463c91e7981d42..9b4e3c3787e5d33ff200a9711b1373b765b6052e 100644 (file)
@@ -1062,29 +1062,15 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)
  * This breaks overlap of processing the host message for the
  * new primary channel with the initialization of sub-channels.
  */
-void rndis_set_subchannel(struct work_struct *w)
+int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev)
 {
-       struct netvsc_device *nvdev
-               = container_of(w, struct netvsc_device, subchan_work);
        struct nvsp_message *init_packet = &nvdev->channel_init_pkt;
-       struct net_device_context *ndev_ctx;
-       struct rndis_device *rdev;
-       struct net_device *ndev;
-       struct hv_device *hv_dev;
+       struct net_device_context *ndev_ctx = netdev_priv(ndev);
+       struct hv_device *hv_dev = ndev_ctx->device_ctx;
+       struct rndis_device *rdev = nvdev->extension;
        int i, ret;
 
-       if (!rtnl_trylock()) {
-               schedule_work(w);
-               return;
-       }
-
-       rdev = nvdev->extension;
-       if (!rdev)
-               goto unlock;    /* device was removed */
-
-       ndev = rdev->ndev;
-       ndev_ctx = netdev_priv(ndev);
-       hv_dev = ndev_ctx->device_ctx;
+       ASSERT_RTNL();
 
        memset(init_packet, 0, sizeof(struct nvsp_message));
        init_packet->hdr.msg_type = NVSP_MSG5_TYPE_SUBCHANNEL;
@@ -1100,13 +1086,13 @@ void rndis_set_subchannel(struct work_struct *w)
                               VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
        if (ret) {
                netdev_err(ndev, "sub channel allocate send failed: %d\n", ret);
-               goto failed;
+               return ret;
        }
 
        wait_for_completion(&nvdev->channel_init_wait);
        if (init_packet->msg.v5_msg.subchn_comp.status != NVSP_STAT_SUCCESS) {
                netdev_err(ndev, "sub channel request failed\n");
-               goto failed;
+               return -EIO;
        }
 
        nvdev->num_chn = 1 +
@@ -1125,21 +1111,7 @@ void rndis_set_subchannel(struct work_struct *w)
        for (i = 0; i < VRSS_SEND_TAB_SIZE; i++)
                ndev_ctx->tx_table[i] = i % nvdev->num_chn;
 
-       netif_device_attach(ndev);
-       rtnl_unlock();
-       return;
-
-failed:
-       /* fallback to only primary channel */
-       for (i = 1; i < nvdev->num_chn; i++)
-               netif_napi_del(&nvdev->chan_table[i].napi);
-
-       nvdev->max_chn = 1;
-       nvdev->num_chn = 1;
-
-       netif_device_attach(ndev);
-unlock:
-       rtnl_unlock();
+       return 0;
 }
 
 static int rndis_netdev_set_hwcaps(struct rndis_device *rndis_device,
@@ -1360,21 +1332,12 @@ struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
                netif_napi_add(net, &net_device->chan_table[i].napi,
                               netvsc_poll, NAPI_POLL_WEIGHT);
 
-       if (net_device->num_chn > 1)
-               schedule_work(&net_device->subchan_work);
+       return net_device;
 
 out:
-       /* if unavailable, just proceed with one queue */
-       if (ret) {
-               net_device->max_chn = 1;
-               net_device->num_chn = 1;
-       }
-
-       /* No sub channels, device is ready */
-       if (net_device->num_chn == 1)
-               netif_device_attach(net);
-
-       return net_device;
+       /* setting up multiple channels failed */
+       net_device->max_chn = 1;
+       net_device->num_chn = 1;
 
 err_dev_remv:
        rndis_filter_device_remove(dev, net_device);
index d02f0a7c534ef3681c112774aed95dae7146c07a..4a949569ec4c51668fe7b795caef7ece5d61854b 100644 (file)
@@ -75,10 +75,23 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval)
 {
        struct ipvl_dev *ipvlan;
        struct net_device *mdev = port->dev;
-       int err = 0;
+       unsigned int flags;
+       int err;
 
        ASSERT_RTNL();
        if (port->mode != nval) {
+               list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
+                       flags = ipvlan->dev->flags;
+                       if (nval == IPVLAN_MODE_L3 || nval == IPVLAN_MODE_L3S) {
+                               err = dev_change_flags(ipvlan->dev,
+                                                      flags | IFF_NOARP);
+                       } else {
+                               err = dev_change_flags(ipvlan->dev,
+                                                      flags & ~IFF_NOARP);
+                       }
+                       if (unlikely(err))
+                               goto fail;
+               }
                if (nval == IPVLAN_MODE_L3S) {
                        /* New mode is L3S */
                        err = ipvlan_register_nf_hook(read_pnet(&port->pnet));
@@ -86,21 +99,28 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval)
                                mdev->l3mdev_ops = &ipvl_l3mdev_ops;
                                mdev->priv_flags |= IFF_L3MDEV_MASTER;
                        } else
-                               return err;
+                               goto fail;
                } else if (port->mode == IPVLAN_MODE_L3S) {
                        /* Old mode was L3S */
                        mdev->priv_flags &= ~IFF_L3MDEV_MASTER;
                        ipvlan_unregister_nf_hook(read_pnet(&port->pnet));
                        mdev->l3mdev_ops = NULL;
                }
-               list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
-                       if (nval == IPVLAN_MODE_L3 || nval == IPVLAN_MODE_L3S)
-                               ipvlan->dev->flags |= IFF_NOARP;
-                       else
-                               ipvlan->dev->flags &= ~IFF_NOARP;
-               }
                port->mode = nval;
        }
+       return 0;
+
+fail:
+       /* Undo the flags changes that have been done so far. */
+       list_for_each_entry_continue_reverse(ipvlan, &port->ipvlans, pnode) {
+               flags = ipvlan->dev->flags;
+               if (port->mode == IPVLAN_MODE_L3 ||
+                   port->mode == IPVLAN_MODE_L3S)
+                       dev_change_flags(ipvlan->dev, flags | IFF_NOARP);
+               else
+                       dev_change_flags(ipvlan->dev, flags & ~IFF_NOARP);
+       }
+
        return err;
 }
 
@@ -594,7 +614,8 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev,
        ipvlan->phy_dev = phy_dev;
        ipvlan->dev = dev;
        ipvlan->sfeatures = IPVLAN_FEATURES;
-       ipvlan_adjust_mtu(ipvlan, phy_dev);
+       if (!tb[IFLA_MTU])
+               ipvlan_adjust_mtu(ipvlan, phy_dev);
        INIT_LIST_HEAD(&ipvlan->addrs);
        spin_lock_init(&ipvlan->addrs_lock);
 
index 081d99aa39853097e7d486e813f344fb895598aa..49ac678eb2dc7ca6539794b9ace40ba86aaa8d6a 100644 (file)
@@ -222,7 +222,7 @@ static int dp83811_config_intr(struct phy_device *phydev)
                if (err < 0)
                        return err;
 
-               err = phy_write(phydev, MII_DP83811_INT_STAT1, 0);
+               err = phy_write(phydev, MII_DP83811_INT_STAT2, 0);
        }
 
        return err;
index de51e8f70f44ea6663b330d2ae41024e99865490..ce61231e96ea5fe27f512fbd0d80d4609997e508 100644 (file)
@@ -1107,7 +1107,7 @@ static const struct proto_ops pppoe_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = pppoe_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
        .setsockopt     = sock_no_setsockopt,
index 8dff87ec6d99c5dca122dcdb5d3697157564cfa2..2e4130746c40caf6a2a5dbf51fd0ece84fb6da85 100644 (file)
@@ -64,6 +64,7 @@
 #define DEFAULT_RX_CSUM_ENABLE         (true)
 #define DEFAULT_TSO_CSUM_ENABLE                (true)
 #define DEFAULT_VLAN_FILTER_ENABLE     (true)
+#define DEFAULT_VLAN_RX_OFFLOAD                (true)
 #define TX_OVERHEAD                    (8)
 #define RXW_PADDING                    2
 
@@ -2298,7 +2299,7 @@ static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu)
        if ((ll_mtu % dev->maxpacket) == 0)
                return -EDOM;
 
-       ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN);
+       ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + VLAN_ETH_HLEN);
 
        netdev->mtu = new_mtu;
 
@@ -2364,6 +2365,11 @@ static int lan78xx_set_features(struct net_device *netdev,
        }
 
        if (features & NETIF_F_HW_VLAN_CTAG_RX)
+               pdata->rfe_ctl |= RFE_CTL_VLAN_STRIP_;
+       else
+               pdata->rfe_ctl &= ~RFE_CTL_VLAN_STRIP_;
+
+       if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
                pdata->rfe_ctl |= RFE_CTL_VLAN_FILTER_;
        else
                pdata->rfe_ctl &= ~RFE_CTL_VLAN_FILTER_;
@@ -2587,7 +2593,8 @@ static int lan78xx_reset(struct lan78xx_net *dev)
        buf |= FCT_TX_CTL_EN_;
        ret = lan78xx_write_reg(dev, FCT_TX_CTL, buf);
 
-       ret = lan78xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN);
+       ret = lan78xx_set_rx_max_frame_length(dev,
+                                             dev->net->mtu + VLAN_ETH_HLEN);
 
        ret = lan78xx_read_reg(dev, MAC_RX, &buf);
        buf |= MAC_RX_RXEN_;
@@ -2975,6 +2982,12 @@ static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf)
        if (DEFAULT_TSO_CSUM_ENABLE)
                dev->net->features |= NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG;
 
+       if (DEFAULT_VLAN_RX_OFFLOAD)
+               dev->net->features |= NETIF_F_HW_VLAN_CTAG_RX;
+
+       if (DEFAULT_VLAN_FILTER_ENABLE)
+               dev->net->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
        dev->net->hw_features = dev->net->features;
 
        ret = lan78xx_setup_irq_domain(dev);
@@ -3039,8 +3052,13 @@ static void lan78xx_rx_csum_offload(struct lan78xx_net *dev,
                                    struct sk_buff *skb,
                                    u32 rx_cmd_a, u32 rx_cmd_b)
 {
+       /* HW Checksum offload appears to be flawed if used when not stripping
+        * VLAN headers. Drop back to S/W checksums under these conditions.
+        */
        if (!(dev->net->features & NETIF_F_RXCSUM) ||
-           unlikely(rx_cmd_a & RX_CMD_A_ICSM_)) {
+           unlikely(rx_cmd_a & RX_CMD_A_ICSM_) ||
+           ((rx_cmd_a & RX_CMD_A_FVTG_) &&
+            !(dev->net->features & NETIF_F_HW_VLAN_CTAG_RX))) {
                skb->ip_summed = CHECKSUM_NONE;
        } else {
                skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT_));
@@ -3048,6 +3066,16 @@ static void lan78xx_rx_csum_offload(struct lan78xx_net *dev,
        }
 }
 
+static void lan78xx_rx_vlan_offload(struct lan78xx_net *dev,
+                                   struct sk_buff *skb,
+                                   u32 rx_cmd_a, u32 rx_cmd_b)
+{
+       if ((dev->net->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+           (rx_cmd_a & RX_CMD_A_FVTG_))
+               __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+                                      (rx_cmd_b & 0xffff));
+}
+
 static void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb)
 {
        int             status;
@@ -3112,6 +3140,8 @@ static int lan78xx_rx(struct lan78xx_net *dev, struct sk_buff *skb)
                        if (skb->len == size) {
                                lan78xx_rx_csum_offload(dev, skb,
                                                        rx_cmd_a, rx_cmd_b);
+                               lan78xx_rx_vlan_offload(dev, skb,
+                                                       rx_cmd_a, rx_cmd_b);
 
                                skb_trim(skb, skb->len - 4); /* remove fcs */
                                skb->truesize = size + sizeof(struct sk_buff);
@@ -3130,6 +3160,7 @@ static int lan78xx_rx(struct lan78xx_net *dev, struct sk_buff *skb)
                        skb_set_tail_pointer(skb2, size);
 
                        lan78xx_rx_csum_offload(dev, skb2, rx_cmd_a, rx_cmd_b);
+                       lan78xx_rx_vlan_offload(dev, skb2, rx_cmd_a, rx_cmd_b);
 
                        skb_trim(skb2, skb2->len - 4); /* remove fcs */
                        skb2->truesize = size + sizeof(struct sk_buff);
index 8e8b51f171f4fa227340e80009ce5c2c059db053..8fac8e132c5bd250f1a528a020adeb6eb2f75cd1 100644 (file)
@@ -1246,6 +1246,7 @@ static const struct usb_device_id products[] = {
        {QMI_FIXED_INTF(0x413c, 0x81b3, 8)},    /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
        {QMI_FIXED_INTF(0x413c, 0x81b6, 8)},    /* Dell Wireless 5811e */
        {QMI_FIXED_INTF(0x413c, 0x81b6, 10)},   /* Dell Wireless 5811e */
+       {QMI_FIXED_INTF(0x413c, 0x81d7, 1)},    /* Dell Wireless 5821e */
        {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)},    /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
        {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)},    /* HP lt4120 Snapdragon X5 LTE */
        {QMI_FIXED_INTF(0x22de, 0x9061, 3)},    /* WeTelecom WPD-600N */
index 86f7196f9d91fbf55c791fff88687a43518d66d8..2a58607a6aea809b14e0aa03955cfa099118e607 100644 (file)
@@ -3962,7 +3962,8 @@ static int rtl8152_close(struct net_device *netdev)
 #ifdef CONFIG_PM_SLEEP
        unregister_pm_notifier(&tp->pm_notifier);
 #endif
-       napi_disable(&tp->napi);
+       if (!test_bit(RTL8152_UNPLUG, &tp->flags))
+               napi_disable(&tp->napi);
        clear_bit(WORK_ENABLE, &tp->flags);
        usb_kill_urb(tp->intr_urb);
        cancel_delayed_work_sync(&tp->schedule);
index b6c9a2af37328d1037c3b0ba761256092556167e..53085c63277b4ecfa9d8651543bfb5e545fa73ee 100644 (file)
@@ -53,6 +53,10 @@ module_param(napi_tx, bool, 0644);
 /* Amount of XDP headroom to prepend to packets for use by xdp_adjust_head */
 #define VIRTIO_XDP_HEADROOM 256
 
+/* Separating two types of XDP xmit */
+#define VIRTIO_XDP_TX          BIT(0)
+#define VIRTIO_XDP_REDIR       BIT(1)
+
 /* RX packet size EWMA. The average packet size is used to determine the packet
  * buffer size when refilling RX rings. As the entire RX ring may be refilled
  * at once, the weight is chosen so that the EWMA will be insensitive to short-
@@ -582,7 +586,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
                                     struct receive_queue *rq,
                                     void *buf, void *ctx,
                                     unsigned int len,
-                                    bool *xdp_xmit)
+                                    unsigned int *xdp_xmit)
 {
        struct sk_buff *skb;
        struct bpf_prog *xdp_prog;
@@ -654,14 +658,14 @@ static struct sk_buff *receive_small(struct net_device *dev,
                                trace_xdp_exception(vi->dev, xdp_prog, act);
                                goto err_xdp;
                        }
-                       *xdp_xmit = true;
+                       *xdp_xmit |= VIRTIO_XDP_TX;
                        rcu_read_unlock();
                        goto xdp_xmit;
                case XDP_REDIRECT:
                        err = xdp_do_redirect(dev, &xdp, xdp_prog);
                        if (err)
                                goto err_xdp;
-                       *xdp_xmit = true;
+                       *xdp_xmit |= VIRTIO_XDP_REDIR;
                        rcu_read_unlock();
                        goto xdp_xmit;
                default:
@@ -723,7 +727,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
                                         void *buf,
                                         void *ctx,
                                         unsigned int len,
-                                        bool *xdp_xmit)
+                                        unsigned int *xdp_xmit)
 {
        struct virtio_net_hdr_mrg_rxbuf *hdr = buf;
        u16 num_buf = virtio16_to_cpu(vi->vdev, hdr->num_buffers);
@@ -818,7 +822,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
                                        put_page(xdp_page);
                                goto err_xdp;
                        }
-                       *xdp_xmit = true;
+                       *xdp_xmit |= VIRTIO_XDP_TX;
                        if (unlikely(xdp_page != page))
                                put_page(page);
                        rcu_read_unlock();
@@ -830,7 +834,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
                                        put_page(xdp_page);
                                goto err_xdp;
                        }
-                       *xdp_xmit = true;
+                       *xdp_xmit |= VIRTIO_XDP_REDIR;
                        if (unlikely(xdp_page != page))
                                put_page(page);
                        rcu_read_unlock();
@@ -939,7 +943,8 @@ xdp_xmit:
 }
 
 static int receive_buf(struct virtnet_info *vi, struct receive_queue *rq,
-                      void *buf, unsigned int len, void **ctx, bool *xdp_xmit)
+                      void *buf, unsigned int len, void **ctx,
+                      unsigned int *xdp_xmit)
 {
        struct net_device *dev = vi->dev;
        struct sk_buff *skb;
@@ -1232,7 +1237,8 @@ static void refill_work(struct work_struct *work)
        }
 }
 
-static int virtnet_receive(struct receive_queue *rq, int budget, bool *xdp_xmit)
+static int virtnet_receive(struct receive_queue *rq, int budget,
+                          unsigned int *xdp_xmit)
 {
        struct virtnet_info *vi = rq->vq->vdev->priv;
        unsigned int len, received = 0, bytes = 0;
@@ -1321,7 +1327,7 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
        struct virtnet_info *vi = rq->vq->vdev->priv;
        struct send_queue *sq;
        unsigned int received, qp;
-       bool xdp_xmit = false;
+       unsigned int xdp_xmit = 0;
 
        virtnet_poll_cleantx(rq);
 
@@ -1331,12 +1337,14 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
        if (received < budget)
                virtqueue_napi_complete(napi, rq->vq, received);
 
-       if (xdp_xmit) {
+       if (xdp_xmit & VIRTIO_XDP_REDIR)
+               xdp_do_flush_map();
+
+       if (xdp_xmit & VIRTIO_XDP_TX) {
                qp = vi->curr_queue_pairs - vi->xdp_queue_pairs +
                     smp_processor_id();
                sq = &vi->sq[qp];
                virtqueue_kick(sq->vq);
-               xdp_do_flush_map();
        }
 
        return received;
index aee0e60471f10d59c39ad39f8170eedea722455d..f6bb1d54d4bdec833b4104134d3744a7a11af312 100644 (file)
@@ -623,9 +623,7 @@ static struct sk_buff **vxlan_gro_receive(struct sock *sk,
        flush = 0;
 
 out:
-       skb_gro_remcsum_cleanup(skb, &grc);
-       skb->remcsum_offload = 0;
-       NAPI_GRO_CB(skb)->flush |= flush;
+       skb_gro_flush_final_remcsum(skb, pp, flush, &grc);
 
        return pp;
 }
index 9d99eb42d9176f0f833048b3f87a906542c9e90c..6acba67bca07abd7d662466b4422295dff359a33 100644 (file)
@@ -60,7 +60,6 @@ config BRCMFMAC_PCIE
        bool "PCIE bus interface support for FullMAC driver"
        depends on BRCMFMAC
        depends on PCI
-       depends on HAS_DMA
        select BRCMFMAC_PROTO_MSGBUF
        select FW_LOADER
        ---help---
index 025fa6018550895ae529c7222d9595a1fb621748..8d1492a90bd135c09213f05d52ff85682a80de71 100644 (file)
@@ -7,7 +7,7 @@ config QTNFMAC
 config QTNFMAC_PEARL_PCIE
        tristate "Quantenna QSR10g PCIe support"
        default n
-       depends on HAS_DMA && PCI && CFG80211
+       depends on PCI && CFG80211
        select QTNFMAC
        select FW_LOADER
        select CRC32
index 922ce0abf5cf105a5394285b07356ebcad055d78..a57daecf1d574fc1a6e25ca5eb043c1617fe2dcc 100644 (file)
@@ -1810,7 +1810,7 @@ static int talk_to_netback(struct xenbus_device *dev,
        err = xen_net_read_mac(dev, info->netdev->dev_addr);
        if (err) {
                xenbus_dev_fatal(dev, err, "parsing %s/mac", dev->nodename);
-               goto out;
+               goto out_unlocked;
        }
 
        rtnl_lock();
@@ -1925,6 +1925,7 @@ abort_transaction_no_dev_fatal:
        xennet_destroy_queues(info);
  out:
        rtnl_unlock();
+out_unlocked:
        device_unregister(&dev->dev);
        return err;
 }
@@ -1950,10 +1951,6 @@ static int xennet_connect(struct net_device *dev)
        /* talk_to_netback() sets the correct number of queues */
        num_queues = dev->real_num_tx_queues;
 
-       rtnl_lock();
-       netdev_update_features(dev);
-       rtnl_unlock();
-
        if (dev->reg_state == NETREG_UNINITIALIZED) {
                err = register_netdev(dev);
                if (err) {
@@ -1963,6 +1960,10 @@ static int xennet_connect(struct net_device *dev)
                }
        }
 
+       rtnl_lock();
+       netdev_update_features(dev);
+       rtnl_unlock();
+
        /*
         * All public and private state should now be sane.  Get
         * ready to start sending and receiving packets and give the driver
index d5553c47014fade81a4f461903b3cb6c4372ccf5..5d823e965883b0f5f23db5ab39afc9f96a128267 100644 (file)
@@ -74,7 +74,7 @@ static void pn533_recv_response(struct urb *urb)
        struct sk_buff *skb = NULL;
 
        if (!urb->status) {
-               skb = alloc_skb(urb->actual_length, GFP_KERNEL);
+               skb = alloc_skb(urb->actual_length, GFP_ATOMIC);
                if (!skb) {
                        nfc_err(&phy->udev->dev, "failed to alloc memory\n");
                } else {
@@ -186,7 +186,7 @@ static int pn533_usb_send_frame(struct pn533 *dev,
 
        if (dev->protocol_type == PN533_PROTO_REQ_RESP) {
                /* request for response for sent packet directly */
-               rc = pn533_submit_urb_for_response(phy, GFP_ATOMIC);
+               rc = pn533_submit_urb_for_response(phy, GFP_KERNEL);
                if (rc)
                        goto error;
        } else if (dev->protocol_type == PN533_PROTO_REQ_ACK_RESP) {
index 68940356cad3f100f4cfbdd325d42235ea3c5da4..8b1fd7f1a224eedebf08cddfe2258949c50a6bcf 100644 (file)
@@ -414,7 +414,8 @@ static int pmem_attach_disk(struct device *dev,
        blk_queue_logical_block_size(q, pmem_sector_size(ndns));
        blk_queue_max_hw_sectors(q, UINT_MAX);
        blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
-       blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+       if (pmem->pfn_flags & PFN_MAP)
+               blk_queue_flag_set(QUEUE_FLAG_DAX, q);
        q->queuedata = pmem;
 
        disk = alloc_disk_node(0, nid);
index 9544625c0b7d687a6b1a9fa26fdfb80ed2d50068..518c5b09038c1e9041a89590a6d79101995650d4 100644 (file)
@@ -732,8 +732,11 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
                blk_cleanup_queue(ctrl->ctrl.admin_q);
                nvme_rdma_free_tagset(&ctrl->ctrl, ctrl->ctrl.admin_tagset);
        }
-       nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
-               sizeof(struct nvme_command), DMA_TO_DEVICE);
+       if (ctrl->async_event_sqe.data) {
+               nvme_rdma_free_qe(ctrl->device->dev, &ctrl->async_event_sqe,
+                               sizeof(struct nvme_command), DMA_TO_DEVICE);
+               ctrl->async_event_sqe.data = NULL;
+       }
        nvme_rdma_free_queue(&ctrl->queues[0]);
 }
 
index b5b0cdc21d01b4cd940e4fddb6f06976258e782d..514d1dfc563059684d4fbc6a3e8b7aa8bd07da64 100644 (file)
@@ -936,6 +936,10 @@ struct nvmem_cell *nvmem_cell_get(struct device *dev, const char *cell_id)
                        return cell;
        }
 
+       /* NULL cell_id only allowed for device tree; invalid otherwise */
+       if (!cell_id)
+               return ERR_PTR(-EINVAL);
+
        return nvmem_cell_get_from_list(cell_id);
 }
 EXPORT_SYMBOL_GPL(nvmem_cell_get);
index 535201984b8b0c5c0c58d585528b7593bbcf61be..1b2cfe51e8d719ce6cd6976fbaad485cc8143fd8 100644 (file)
@@ -28,10 +28,10 @@ obj-$(CONFIG_PCI_PF_STUB)   += pci-pf-stub.o
 obj-$(CONFIG_PCI_ECAM)         += ecam.o
 obj-$(CONFIG_XEN_PCIDEV_FRONTEND) += xen-pcifront.o
 
-obj-y                          += controller/
-obj-y                          += switch/
-
 # Endpoint library must be initialized before its users
 obj-$(CONFIG_PCI_ENDPOINT)     += endpoint/
 
+obj-y                          += controller/
+obj-y                          += switch/
+
 ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
index 18fa09b3ac8f2c377ccd8e9ba890f01d66b3c367..cc9fa02d32a08e6051e2adbcee288b6b4f629f14 100644 (file)
@@ -96,7 +96,6 @@ config PCI_HOST_GENERIC
        depends on OF
        select PCI_HOST_COMMON
        select IRQ_DOMAIN
-       select PCI_DOMAINS
        help
          Say Y here if you want to support a simple generic PCI host
          controller, such as the one emulated by kvmtool.
@@ -138,7 +137,6 @@ config PCI_VERSATILE
 
 config PCIE_IPROC
        tristate
-       select PCI_DOMAINS
        help
          This enables the iProc PCIe core controller support for Broadcom's
          iProc family of SoCs. An appropriate bus interface driver needs
@@ -176,7 +174,6 @@ config PCIE_IPROC_MSI
 config PCIE_ALTERA
        bool "Altera PCIe controller"
        depends on ARM || NIOS2 || COMPILE_TEST
-       select PCI_DOMAINS
        help
          Say Y here if you want to enable PCIe controller support on Altera
          FPGA.
index 16f52c626b4bd5101afd9c517b48dc6ca014f082..91b0194240a57e8f1d1d78ab682f20135002a68d 100644 (file)
@@ -58,7 +58,6 @@ config PCIE_DW_PLAT_HOST
        depends on PCI && PCI_MSI_IRQ_DOMAIN
        select PCIE_DW_HOST
        select PCIE_DW_PLAT
-       default y
        help
          Enables support for the PCIe controller in the Designware IP to
          work in host mode. There are two instances of PCIe controller in
index a1ebe9ed441f0aef256a55393bf296b44f08c9d6..20bb2564a6b3c1a785c4e7c245a00e62e01d87ea 100644 (file)
@@ -355,11 +355,13 @@ static int faraday_pci_setup_cascaded_irq(struct faraday_pci *p)
        irq = of_irq_get(intc, 0);
        if (irq <= 0) {
                dev_err(p->dev, "failed to get parent IRQ\n");
+               of_node_put(intc);
                return irq ?: -EINVAL;
        }
 
        p->irqdomain = irq_domain_add_linear(intc, PCI_NUM_INTX,
                                             &faraday_pci_irqdomain_ops, p);
+       of_node_put(intc);
        if (!p->irqdomain) {
                dev_err(p->dev, "failed to create Gemini PCI IRQ domain\n");
                return -EINVAL;
index 874d75c9ee4ac44513f584267272253d4cf84e7d..c8febb009454cdcfc0ed473f4cdb9540af0de59e 100644 (file)
@@ -680,7 +680,11 @@ static int rcar_pcie_phy_init_gen3(struct rcar_pcie *pcie)
        if (err)
                return err;
 
-       return phy_power_on(pcie->phy);
+       err = phy_power_on(pcie->phy);
+       if (err)
+               phy_exit(pcie->phy);
+
+       return err;
 }
 
 static int rcar_msi_alloc(struct rcar_msi *chip)
@@ -1165,7 +1169,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
        if (rcar_pcie_hw_init(pcie)) {
                dev_info(dev, "PCIe link down\n");
                err = -ENODEV;
-               goto err_clk_disable;
+               goto err_phy_shutdown;
        }
 
        data = rcar_pci_read_reg(pcie, MACSR);
@@ -1177,7 +1181,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
                        dev_err(dev,
                                "failed to enable MSI support: %d\n",
                                err);
-                       goto err_clk_disable;
+                       goto err_phy_shutdown;
                }
        }
 
@@ -1191,6 +1195,12 @@ err_msi_teardown:
        if (IS_ENABLED(CONFIG_PCI_MSI))
                rcar_pcie_teardown_msi(pcie);
 
+err_phy_shutdown:
+       if (pcie->phy) {
+               phy_power_off(pcie->phy);
+               phy_exit(pcie->phy);
+       }
+
 err_clk_disable:
        clk_disable_unprepare(pcie->bus_clk);
 
index 6a4bbb5b3de006f37f005bf0f198b28de16c7619..fb32840ce8e66ac75f7c164a402ac9a0e0ae094b 100644 (file)
@@ -559,7 +559,7 @@ static int nwl_pcie_init_irq_domain(struct nwl_pcie *pcie)
                                                        PCI_NUM_INTX,
                                                        &legacy_domain_ops,
                                                        pcie);
-
+       of_node_put(legacy_intc_node);
        if (!pcie->legacy_irq_domain) {
                dev_err(dev, "failed to create IRQ domain\n");
                return -ENOMEM;
index b110a3a814e35e3bbd7839e68994cef56f19ed43..7b1389d8e2a5711383a4e8d8a6a424a4a33448f4 100644 (file)
@@ -509,6 +509,7 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port)
        port->leg_domain = irq_domain_add_linear(pcie_intc_node, PCI_NUM_INTX,
                                                 &intx_domain_ops,
                                                 port);
+       of_node_put(pcie_intc_node);
        if (!port->leg_domain) {
                dev_err(dev, "Failed to get a INTx IRQ domain\n");
                return -ENODEV;
index 523a8cab3bfba16613a03d13916aef3b223ef2cb..bf53fad636a5076dca0c5b564085a53621d37a9b 100644 (file)
@@ -145,10 +145,10 @@ EXPORT_SYMBOL_GPL(pci_epf_alloc_space);
  */
 void pci_epf_unregister_driver(struct pci_epf_driver *driver)
 {
-       struct config_group *group;
+       struct config_group *group, *tmp;
 
        mutex_lock(&pci_epf_mutex);
-       list_for_each_entry(group, &driver->epf_group, group_entry)
+       list_for_each_entry_safe(group, tmp, &driver->epf_group, group_entry)
                pci_ep_cfs_remove_epf_group(group);
        list_del(&driver->epf_group);
        mutex_unlock(&pci_epf_mutex);
index 3979f89b250ad86ec622d4aa90d1450422324db8..5bd6c1573295696acf8387bd7cd953bf8f369546 100644 (file)
@@ -7,7 +7,6 @@
  * All rights reserved.
  *
  * Send feedback to <kristen.c.accardi@intel.com>
- *
  */
 
 #include <linux/module.h>
@@ -87,8 +86,17 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev)
                return 0;
 
        /* If _OSC exists, we should not evaluate OSHP */
+
+       /*
+        * If there's no ACPI host bridge (i.e., ACPI support is compiled
+        * into the kernel but the hardware platform doesn't support ACPI),
+        * there's nothing to do here.
+        */
        host = pci_find_host_bridge(pdev->bus);
        root = acpi_pci_find_root(ACPI_HANDLE(&host->dev));
+       if (!root)
+               return 0;
+
        if (root->osc_support_set)
                goto no_control;
 
index d0d73dbbd5ca4123fce20254a0bf6495dcbe1d9e..0f04ae648cf14bcc590ce55b5b91a5635b02c500 100644 (file)
@@ -574,6 +574,22 @@ void pci_iov_release(struct pci_dev *dev)
                sriov_release(dev);
 }
 
+/**
+ * pci_iov_remove - clean up SR-IOV state after PF driver is detached
+ * @dev: the PCI device
+ */
+void pci_iov_remove(struct pci_dev *dev)
+{
+       struct pci_sriov *iov = dev->sriov;
+
+       if (!dev->is_physfn)
+               return;
+
+       iov->driver_max_VFs = iov->total_VFs;
+       if (iov->num_VFs)
+               pci_warn(dev, "driver left SR-IOV enabled after remove\n");
+}
+
 /**
  * pci_iov_update_resource - update a VF BAR
  * @dev: the PCI device
index 65113b6eed1473aa00daf59b1dfd57b8abd6baaf..89ee6a2b6eb838f426d6d9d3773f70769d1a489f 100644 (file)
@@ -629,6 +629,18 @@ static bool acpi_pci_need_resume(struct pci_dev *dev)
 {
        struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
 
+       /*
+        * In some cases (eg. Samsung 305V4A) leaving a bridge in suspend over
+        * system-wide suspend/resume confuses the platform firmware, so avoid
+        * doing that, unless the bridge has a driver that should take care of
+        * the PM handling.  According to Section 16.1.6 of ACPI 6.2, endpoint
+        * devices are expected to be in D3 before invoking the S3 entry path
+        * from the firmware, so they should not be affected by this issue.
+        */
+       if (pci_is_bridge(dev) && !dev->driver &&
+           acpi_target_system_state() != ACPI_STATE_S0)
+               return true;
+
        if (!adev || !acpi_device_power_manageable(adev))
                return false;
 
index c125d53033c69cafe42734c32935561547abbdba..6792292b5fc7055ab145703a3e718e50d0d4751c 100644 (file)
@@ -445,6 +445,7 @@ static int pci_device_remove(struct device *dev)
                }
                pcibios_free_irq(pci_dev);
                pci_dev->driver = NULL;
+               pci_iov_remove(pci_dev);
        }
 
        /* Undo the runtime PM settings in local_pci_probe() */
index c358e7a07f3faf2abbfff9de4b9e219ae6558e58..882f1f9596dfffa644e624b3a42a120999f06581 100644 (file)
@@ -311,6 +311,7 @@ static inline void pci_restore_ats_state(struct pci_dev *dev)
 #ifdef CONFIG_PCI_IOV
 int pci_iov_init(struct pci_dev *dev);
 void pci_iov_release(struct pci_dev *dev);
+void pci_iov_remove(struct pci_dev *dev);
 void pci_iov_update_resource(struct pci_dev *dev, int resno);
 resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno);
 void pci_restore_iov_state(struct pci_dev *dev);
@@ -323,6 +324,9 @@ static inline int pci_iov_init(struct pci_dev *dev)
 }
 static inline void pci_iov_release(struct pci_dev *dev)
 
+{
+}
+static inline void pci_iov_remove(struct pci_dev *dev)
 {
 }
 static inline void pci_restore_iov_state(struct pci_dev *dev)
index 6bdb1dad805f8198a6879aeab21a5ff9051b1510..0e31f1392a53ca042519bbbe4bc37dab3bfe87c0 100644 (file)
@@ -1463,7 +1463,7 @@ static char *xgene_pmu_dev_name(struct device *dev, u32 type, int id)
        case PMU_TYPE_IOB:
                return devm_kasprintf(dev, GFP_KERNEL, "iob%d", id);
        case PMU_TYPE_IOB_SLOW:
-               return devm_kasprintf(dev, GFP_KERNEL, "iob-slow%d", id);
+               return devm_kasprintf(dev, GFP_KERNEL, "iob_slow%d", id);
        case PMU_TYPE_MCB:
                return devm_kasprintf(dev, GFP_KERNEL, "mcb%d", id);
        case PMU_TYPE_MC:
index d3a38c421503abbaab03d81fdaac739591251920..a9f60d0ee02ea2e941edfc7969377b3482e5d04e 100644 (file)
 
 #define DASD_DIAG_MOD          "dasd_diag_mod"
 
+static unsigned int queue_depth = 32;
+static unsigned int nr_hw_queues = 4;
+
+module_param(queue_depth, uint, 0444);
+MODULE_PARM_DESC(queue_depth, "Default queue depth for new DASD devices");
+
+module_param(nr_hw_queues, uint, 0444);
+MODULE_PARM_DESC(nr_hw_queues, "Default number of hardware queues for new DASD devices");
+
 /*
  * SECTION: exported variables of dasd.c
  */
@@ -3115,8 +3124,8 @@ static int dasd_alloc_queue(struct dasd_block *block)
 
        block->tag_set.ops = &dasd_mq_ops;
        block->tag_set.cmd_size = sizeof(struct dasd_ccw_req);
-       block->tag_set.nr_hw_queues = DASD_NR_HW_QUEUES;
-       block->tag_set.queue_depth = DASD_MAX_LCU_DEV * DASD_REQ_PER_DEV;
+       block->tag_set.nr_hw_queues = nr_hw_queues;
+       block->tag_set.queue_depth = queue_depth;
        block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
 
        rc = blk_mq_alloc_tag_set(&block->tag_set);
index 976b6bd4fb05ccb6afc5de34cdb12c080c7f2428..de6b96036aa40fb104e84c6c9e58ba89beebb232 100644 (file)
@@ -228,14 +228,6 @@ struct dasd_ccw_req {
 #define DASD_CQR_SUPPRESS_IL   6       /* Suppress 'Incorrect Length' error */
 #define DASD_CQR_SUPPRESS_CR   7       /* Suppress 'Command Reject' error */
 
-/*
- * There is no reliable way to determine the number of available CPUs on
- * LPAR but there is no big performance difference between 1 and the
- * maximum CPU number.
- * 64 is a good trade off performance wise.
- */
-#define DASD_NR_HW_QUEUES 64
-#define DASD_MAX_LCU_DEV 256
 #define DASD_REQ_PER_DEV 4
 
 /* Signature for error recovery functions. */
index 2a5fec55bf60f6f30fd684e1c8c5c9a594aa8e75..a246a618f9a497047e4a81614f38da1eb295ef0b 100644 (file)
@@ -829,6 +829,17 @@ struct qeth_trap_id {
 /*some helper functions*/
 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
 
+static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
+                                         unsigned int elements)
+{
+       unsigned int i;
+
+       for (i = 0; i < elements; i++)
+               memset(&buf->element[i], 0, sizeof(struct qdio_buffer_element));
+       buf->element[14].sflags = 0;
+       buf->element[15].sflags = 0;
+}
+
 /**
  * qeth_get_elements_for_range() -     find number of SBALEs to cover range.
  * @start:                             Start of the address range.
@@ -1029,7 +1040,7 @@ struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *,
                                                 __u16, __u16,
                                                 enum qeth_prot_versions);
 int qeth_set_features(struct net_device *, netdev_features_t);
-void qeth_recover_features(struct net_device *dev);
+void qeth_enable_hw_features(struct net_device *dev);
 netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t);
 netdev_features_t qeth_features_check(struct sk_buff *skb,
                                      struct net_device *dev,
index 8e1474f1ffacfb22b773b02aa1bff6ff91c61ce9..d01ac29fd986d82b84b7215c5268c37e94aaadaa 100644 (file)
@@ -73,9 +73,6 @@ static void qeth_notify_skbs(struct qeth_qdio_out_q *queue,
                struct qeth_qdio_out_buffer *buf,
                enum iucv_tx_notify notification);
 static void qeth_release_skbs(struct qeth_qdio_out_buffer *buf);
-static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
-               struct qeth_qdio_out_buffer *buf,
-               enum qeth_qdio_buffer_states newbufstate);
 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int);
 
 struct workqueue_struct *qeth_wq;
@@ -489,6 +486,7 @@ static void qeth_qdio_handle_aob(struct qeth_card *card,
        struct qaob *aob;
        struct qeth_qdio_out_buffer *buffer;
        enum iucv_tx_notify notification;
+       unsigned int i;
 
        aob = (struct qaob *) phys_to_virt(phys_aob_addr);
        QETH_CARD_TEXT(card, 5, "haob");
@@ -513,10 +511,18 @@ static void qeth_qdio_handle_aob(struct qeth_card *card,
        qeth_notify_skbs(buffer->q, buffer, notification);
 
        buffer->aob = NULL;
-       qeth_clear_output_buffer(buffer->q, buffer,
-                                QETH_QDIO_BUF_HANDLED_DELAYED);
+       /* Free dangling allocations. The attached skbs are handled by
+        * qeth_cleanup_handled_pending().
+        */
+       for (i = 0;
+            i < aob->sb_count && i < QETH_MAX_BUFFER_ELEMENTS(card);
+            i++) {
+               if (aob->sba[i] && buffer->is_header[i])
+                       kmem_cache_free(qeth_core_header_cache,
+                                       (void *) aob->sba[i]);
+       }
+       atomic_set(&buffer->state, QETH_QDIO_BUF_HANDLED_DELAYED);
 
-       /* from here on: do not touch buffer anymore */
        qdio_release_aob(aob);
 }
 
@@ -3759,6 +3765,10 @@ static void qeth_qdio_output_handler(struct ccw_device *ccwdev,
                        QETH_CARD_TEXT(queue->card, 5, "aob");
                        QETH_CARD_TEXT_(queue->card, 5, "%lx",
                                        virt_to_phys(buffer->aob));
+
+                       /* prepare the queue slot for re-use: */
+                       qeth_scrub_qdio_buffer(buffer->buffer,
+                                              QETH_MAX_BUFFER_ELEMENTS(card));
                        if (qeth_init_qdio_out_buf(queue, bidx)) {
                                QETH_CARD_TEXT(card, 2, "outofbuf");
                                qeth_schedule_recovery(card);
@@ -4834,7 +4844,7 @@ int qeth_vm_request_mac(struct qeth_card *card)
                goto out;
        }
 
-       ccw_device_get_id(CARD_RDEV(card), &id);
+       ccw_device_get_id(CARD_DDEV(card), &id);
        request->resp_buf_len = sizeof(*response);
        request->resp_version = DIAG26C_VERSION2;
        request->op_code = DIAG26C_GET_MAC;
@@ -6459,28 +6469,27 @@ static int qeth_set_ipa_rx_csum(struct qeth_card *card, bool on)
 #define QETH_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_TSO | \
                          NETIF_F_IPV6_CSUM)
 /**
- * qeth_recover_features() - Restore device features after recovery
- * @dev:       the recovering net_device
- *
- * Caller must hold rtnl lock.
+ * qeth_enable_hw_features() - (Re-)Enable HW functions for device features
+ * @dev:       a net_device
  */
-void qeth_recover_features(struct net_device *dev)
+void qeth_enable_hw_features(struct net_device *dev)
 {
-       netdev_features_t features = dev->features;
        struct qeth_card *card = dev->ml_priv;
+       netdev_features_t features;
 
+       rtnl_lock();
+       features = dev->features;
        /* force-off any feature that needs an IPA sequence.
         * netdev_update_features() will restart them.
         */
        dev->features &= ~QETH_HW_FEATURES;
        netdev_update_features(dev);
-
-       if (features == dev->features)
-               return;
-       dev_warn(&card->gdev->dev,
-                "Device recovery failed to restore all offload features\n");
+       if (features != dev->features)
+               dev_warn(&card->gdev->dev,
+                        "Device recovery failed to restore all offload features\n");
+       rtnl_unlock();
 }
-EXPORT_SYMBOL_GPL(qeth_recover_features);
+EXPORT_SYMBOL_GPL(qeth_enable_hw_features);
 
 int qeth_set_features(struct net_device *dev, netdev_features_t features)
 {
index a7cb37da6a21313eda8d03119135f1475d35f47d..2487f0aeb165c1afae905540d1ff547f7fab4f54 100644 (file)
@@ -140,7 +140,7 @@ static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac)
 
 static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac)
 {
-       enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ?
+       enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
                                        IPA_CMD_SETGMAC : IPA_CMD_SETVMAC;
        int rc;
 
@@ -157,7 +157,7 @@ static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac)
 
 static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac)
 {
-       enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ?
+       enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
                                        IPA_CMD_DELGMAC : IPA_CMD_DELVMAC;
        int rc;
 
@@ -501,27 +501,34 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
                return -ERESTARTSYS;
        }
 
+       /* avoid racing against concurrent state change: */
+       if (!mutex_trylock(&card->conf_mutex))
+               return -EAGAIN;
+
        if (!qeth_card_hw_is_reachable(card)) {
                ether_addr_copy(dev->dev_addr, addr->sa_data);
-               return 0;
+               goto out_unlock;
        }
 
        /* don't register the same address twice */
        if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) &&
            (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
-               return 0;
+               goto out_unlock;
 
        /* add the new address, switch over, drop the old */
        rc = qeth_l2_send_setmac(card, addr->sa_data);
        if (rc)
-               return rc;
+               goto out_unlock;
        ether_addr_copy(old_addr, dev->dev_addr);
        ether_addr_copy(dev->dev_addr, addr->sa_data);
 
        if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)
                qeth_l2_remove_mac(card, old_addr);
        card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
-       return 0;
+
+out_unlock:
+       mutex_unlock(&card->conf_mutex);
+       return rc;
 }
 
 static void qeth_promisc_to_bridge(struct qeth_card *card)
@@ -1112,6 +1119,8 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
                netif_carrier_off(card->dev);
 
        qeth_set_allowed_threads(card, 0xffffffff, 0);
+
+       qeth_enable_hw_features(card->dev);
        if (recover_flag == CARD_STATE_RECOVER) {
                if (recovery_mode &&
                    card->info.type != QETH_CARD_TYPE_OSN) {
@@ -1123,9 +1132,6 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
                }
                /* this also sets saved unicast addresses */
                qeth_l2_set_rx_mode(card->dev);
-               rtnl_lock();
-               qeth_recover_features(card->dev);
-               rtnl_unlock();
        }
        /* let user_space know that device is online */
        kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
index e7fa479adf47e0dd41bfacaed8fd347bc40b5581..5905dc63e2569baf761611ad25bf3b91786a3235 100644 (file)
@@ -2662,6 +2662,8 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
                netif_carrier_on(card->dev);
        else
                netif_carrier_off(card->dev);
+
+       qeth_enable_hw_features(card->dev);
        if (recover_flag == CARD_STATE_RECOVER) {
                rtnl_lock();
                if (recovery_mode)
@@ -2669,7 +2671,6 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
                else
                        dev_open(card->dev);
                qeth_l3_set_rx_mode(card->dev);
-               qeth_recover_features(card->dev);
                rtnl_unlock();
        }
        qeth_trace_features(card);
index a9831bd37a73d52462489d025c1631a576ca2fbc..a57f3a7d47488e5aac06d24e47b14eb90fc9615c 100644 (file)
@@ -1974,7 +1974,6 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
        u32 lun_count, nexus;
        u32 i, bus, target;
        u8 expose_flag, attribs;
-       u8 devtype;
 
        lun_count = aac_get_safw_phys_lun_count(dev);
 
@@ -1992,23 +1991,23 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
                        continue;
 
                if (expose_flag != 0) {
-                       devtype = AAC_DEVTYPE_RAID_MEMBER;
-                       goto update_devtype;
+                       dev->hba_map[bus][target].devtype =
+                               AAC_DEVTYPE_RAID_MEMBER;
+                       continue;
                }
 
                if (nexus != 0 && (attribs & 8)) {
-                       devtype = AAC_DEVTYPE_NATIVE_RAW;
+                       dev->hba_map[bus][target].devtype =
+                               AAC_DEVTYPE_NATIVE_RAW;
                        dev->hba_map[bus][target].rmw_nexus =
                                        nexus;
                } else
-                       devtype = AAC_DEVTYPE_ARC_RAW;
+                       dev->hba_map[bus][target].devtype =
+                               AAC_DEVTYPE_ARC_RAW;
 
                dev->hba_map[bus][target].scan_counter = dev->scan_counter;
 
                aac_set_safw_target_qd(dev, bus, target);
-
-update_devtype:
-               dev->hba_map[bus][target].devtype = devtype;
        }
 }
 
index 0a9b8b387bd2e70e87310ef7908012a46f32942f..02d65dce74e504230ceb3080b58972d8d5dff950 100644 (file)
@@ -760,7 +760,6 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
                ioa_cfg->hrrq[i].allow_interrupts = 0;
                spin_unlock(&ioa_cfg->hrrq[i]._lock);
        }
-       wmb();
 
        /* Set interrupt mask to stop all new interrupts */
        if (ioa_cfg->sis64)
@@ -8403,7 +8402,6 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
                ioa_cfg->hrrq[i].allow_interrupts = 1;
                spin_unlock(&ioa_cfg->hrrq[i]._lock);
        }
-       wmb();
        if (ioa_cfg->sis64) {
                /* Set the adapter to the correct endian mode. */
                writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg);
index 0fea2e2326becbf4993dd7cc216e36dad529d678..1027b0cb7fa3634baf0bd870ffdc93e9286cac8e 100644 (file)
@@ -1224,7 +1224,6 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess)
 void qlt_schedule_sess_for_deletion(struct fc_port *sess)
 {
        struct qla_tgt *tgt = sess->tgt;
-       struct qla_hw_data *ha = sess->vha->hw;
        unsigned long flags;
 
        if (sess->disc_state == DSC_DELETE_PEND)
@@ -1241,16 +1240,16 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
                        return;
        }
 
-       spin_lock_irqsave(&ha->tgt.sess_lock, flags);
        if (sess->deleted == QLA_SESS_DELETED)
                sess->logout_on_delete = 0;
 
+       spin_lock_irqsave(&sess->vha->work_lock, flags);
        if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
-               spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+               spin_unlock_irqrestore(&sess->vha->work_lock, flags);
                return;
        }
        sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
-       spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+       spin_unlock_irqrestore(&sess->vha->work_lock, flags);
 
        sess->disc_state = DSC_DELETE_PEND;
 
index 24d7496cd9e23cfc2a97126fc22b5f4c25a253b0..364e71861bfd5c2c17caf1e93cdeae669e95b971 100644 (file)
@@ -5507,9 +5507,9 @@ static void __exit scsi_debug_exit(void)
        int k = sdebug_add_host;
 
        stop_all_queued();
-       free_all_queued();
        for (; k; k--)
                sdebug_remove_adapter();
+       free_all_queued();
        driver_unregister(&sdebug_driverfs_driver);
        bus_unregister(&pseudo_lld_bus);
        root_device_unregister(pseudo_primary);
index 53ae52dbff84afd2021e80b7c1329cb7c53117c2..cd2fdac000c9e23fbf1df8cca453f30379b22d66 100644 (file)
@@ -51,6 +51,7 @@ static int sg_version_num = 30536;    /* 2 digits for each component */
 #include <linux/atomic.h>
 #include <linux/ratelimit.h>
 #include <linux/uio.h>
+#include <linux/cred.h> /* for sg_check_file_access() */
 
 #include "scsi.h"
 #include <scsi/scsi_dbg.h>
@@ -209,6 +210,33 @@ static void sg_device_destroy(struct kref *kref);
        sdev_prefix_printk(prefix, (sdp)->device,               \
                           (sdp)->disk->disk_name, fmt, ##a)
 
+/*
+ * The SCSI interfaces that use read() and write() as an asynchronous variant of
+ * ioctl(..., SG_IO, ...) are fundamentally unsafe, since there are lots of ways
+ * to trigger read() and write() calls from various contexts with elevated
+ * privileges. This can lead to kernel memory corruption (e.g. if these
+ * interfaces are called through splice()) and privilege escalation inside
+ * userspace (e.g. if a process with access to such a device passes a file
+ * descriptor to a SUID binary as stdin/stdout/stderr).
+ *
+ * This function provides protection for the legacy API by restricting the
+ * calling context.
+ */
+static int sg_check_file_access(struct file *filp, const char *caller)
+{
+       if (filp->f_cred != current_real_cred()) {
+               pr_err_once("%s: process %d (%s) changed security contexts after opening file descriptor, this is not allowed.\n",
+                       caller, task_tgid_vnr(current), current->comm);
+               return -EPERM;
+       }
+       if (uaccess_kernel()) {
+               pr_err_once("%s: process %d (%s) called from kernel context, this is not allowed.\n",
+                       caller, task_tgid_vnr(current), current->comm);
+               return -EACCES;
+       }
+       return 0;
+}
+
 static int sg_allow_access(struct file *filp, unsigned char *cmd)
 {
        struct sg_fd *sfp = filp->private_data;
@@ -393,6 +421,14 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
        struct sg_header *old_hdr = NULL;
        int retval = 0;
 
+       /*
+        * This could cause a response to be stranded. Close the associated
+        * file descriptor to free up any resources being held.
+        */
+       retval = sg_check_file_access(filp, __func__);
+       if (retval)
+               return retval;
+
        if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
                return -ENXIO;
        SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
@@ -580,9 +616,11 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
        struct sg_header old_hdr;
        sg_io_hdr_t *hp;
        unsigned char cmnd[SG_MAX_CDB_SIZE];
+       int retval;
 
-       if (unlikely(uaccess_kernel()))
-               return -EINVAL;
+       retval = sg_check_file_access(filp, __func__);
+       if (retval)
+               return retval;
 
        if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
                return -ENXIO;
index f4e3bd40c72e60c0448c98456f7b53f6be7936bd..6ef18cf8f24387e324cf455ae98c30f2b27c95d3 100644 (file)
 
 #define GPC_M4_PU_PDN_FLG              0x1bc
 
-
-#define PGC_MIPI                       4
-#define PGC_PCIE                       5
-#define PGC_USB_HSIC                   8
+/*
+ * The PGC offset values in Reference Manual
+ * (Rev. 1, 01/2018 and the older ones) GPC chapter's
+ * GPC_PGC memory map are incorrect, below offset
+ * values are from design RTL.
+ */
+#define PGC_MIPI                       16
+#define PGC_PCIE                       17
+#define PGC_USB_HSIC                   20
 #define GPC_PGC_CTRL(n)                        (0x800 + (n) * 0x40)
 #define GPC_PGC_SR(n)                  (GPC_PGC_CTRL(n) + 0xc)
 
index 9dc02f390ba314bf8cfbb1b86223af1859af2507..5856e792d09c8d317b01627c2d03a97eeaebff37 100644 (file)
@@ -5,7 +5,8 @@ menu "Qualcomm SoC drivers"
 
 config QCOM_COMMAND_DB
        bool "Qualcomm Command DB"
-       depends on (ARCH_QCOM && OF) || COMPILE_TEST
+       depends on ARCH_QCOM || COMPILE_TEST
+       depends on OF_RESERVED_MEM
        help
          Command DB queries shared memory by key string for shared system
          resources. Platform drivers that require to set state of a shared
index 95120acc4d806da630f49737cca1eede3286edae..50d03d8b4f9a55f50d52f328039afe0c27991740 100644 (file)
@@ -194,11 +194,12 @@ static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
 
 static bool has_cpg_mstp;
 
-static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
+static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
 {
        struct generic_pm_domain *genpd = &pd->genpd;
        const char *name = pd->genpd.name;
        struct dev_power_governor *gov = &simple_qos_governor;
+       int error;
 
        if (pd->flags & PD_CPU) {
                /*
@@ -251,7 +252,11 @@ static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
        rcar_sysc_power_up(&pd->ch);
 
 finalize:
-       pm_genpd_init(genpd, gov, false);
+       error = pm_genpd_init(genpd, gov, false);
+       if (error)
+               pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+       return error;
 }
 
 static const struct of_device_id rcar_sysc_matches[] __initconst = {
@@ -375,6 +380,9 @@ static int __init rcar_sysc_pd_init(void)
        pr_debug("%pOF: syscier = 0x%08x\n", np, syscier);
        iowrite32(syscier, base + SYSCIER);
 
+       /*
+        * First, create all PM domains
+        */
        for (i = 0; i < info->num_areas; i++) {
                const struct rcar_sysc_area *area = &info->areas[i];
                struct rcar_sysc_pd *pd;
@@ -397,14 +405,29 @@ static int __init rcar_sysc_pd_init(void)
                pd->ch.isr_bit = area->isr_bit;
                pd->flags = area->flags;
 
-               rcar_sysc_pd_setup(pd);
-               if (area->parent >= 0)
-                       pm_genpd_add_subdomain(domains->domains[area->parent],
-                                              &pd->genpd);
+               error = rcar_sysc_pd_setup(pd);
+               if (error)
+                       goto out_put;
 
                domains->domains[area->isr_bit] = &pd->genpd;
        }
 
+       /*
+        * Second, link all PM domains to their parents
+        */
+       for (i = 0; i < info->num_areas; i++) {
+               const struct rcar_sysc_area *area = &info->areas[i];
+
+               if (!area->name || area->parent < 0)
+                       continue;
+
+               error = pm_genpd_add_subdomain(domains->domains[area->parent],
+                                              domains->domains[area->isr_bit]);
+               if (error)
+                       pr_warn("Failed to add PM subdomain %s to parent %u\n",
+                               area->name, area->parent);
+       }
+
        error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
 
 out_put:
index e8c4403297082898c54d0aacf09c778a399aa2d0..31db510018a9462ead01b016f02c4952c6871c96 100644 (file)
@@ -30,7 +30,7 @@ void *ion_heap_map_kernel(struct ion_heap *heap,
        struct page **tmp = pages;
 
        if (!pages)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        if (buffer->flags & ION_FLAG_CACHED)
                pgprot = PAGE_KERNEL;
index ea194aa01a642e0c691c9cb8b78e9d8ef43cfa79..257b0daff01f21317cf1e8f1a251efdbd9dc1189 100644 (file)
@@ -642,7 +642,7 @@ static int daqp_ao_insn_write(struct comedi_device *dev,
        /* Make sure D/A update mode is direct update */
        outb(0, dev->iobase + DAQP_AUX_REG);
 
-       for (i = 0; i > insn->n; i++) {
+       for (i = 0; i < insn->n; i++) {
                unsigned int val = data[i];
                int ret;
 
index 45c05527a57a327a7490acfe889581cfe0bb41ba..faf4b4158cfa2c174ea2f68c3829f7933d64c35f 100644 (file)
@@ -1051,7 +1051,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
                return _FAIL;
 
 
-       if (len > MAX_IE_SZ)
+       if (len < 0 || len > MAX_IE_SZ)
                return _FAIL;
 
        pbss_network->IELength = len;
index 7947edb239a13b7d7752cf2e2a82f0814424306e..88ba5b2fea6acdb47863ba959f61eb05318f75a7 100644 (file)
@@ -803,7 +803,7 @@ static void _rtl8822be_enable_aspm_back_door(struct ieee80211_hw *hw)
                return;
 
        pci_read_config_byte(rtlpci->pdev, 0x70f, &tmp);
-       pci_write_config_byte(rtlpci->pdev, 0x70f, tmp | BIT(7));
+       pci_write_config_byte(rtlpci->pdev, 0x70f, tmp | ASPM_L1_LATENCY << 3);
 
        pci_read_config_byte(rtlpci->pdev, 0x719, &tmp);
        pci_write_config_byte(rtlpci->pdev, 0x719, tmp | BIT(3) | BIT(4));
index 012fb618840b05e910e6d68fba38e044dfc26ab0..a45f0eb69d3f2fdb1b14df330a5dbf8cb0ddc24d 100644 (file)
@@ -88,6 +88,7 @@
 #define RTL_USB_MAX_RX_COUNT                   100
 #define QBSS_LOAD_SIZE                         5
 #define MAX_WMMELE_LENGTH                      64
+#define ASPM_L1_LATENCY                                7
 
 #define TOTAL_CAM_ENTRY                                32
 
index 3aa981fbc8f56c4215344de1d20269cfc1ae9fc3..e45ed08a51668fbe5ba03abc849746471a1a48e1 100644 (file)
@@ -11,6 +11,7 @@ config TYPEC_TCPCI
 
 config TYPEC_RT1711H
        tristate "Richtek RT1711H Type-C chip driver"
+       depends on I2C
        select TYPEC_TCPCI
        help
          Richtek RT1711H Type-C chip driver that works with
index 01ac306131c1f163c6eb6043651a412e3e71dc76..10db5656fd5dcb8e95769a922223b8e88cf23983 100644 (file)
@@ -3727,11 +3727,16 @@ core_scsi3_pri_read_keys(struct se_cmd *cmd)
                 * Check for overflow of 8byte PRI READ_KEYS payload and
                 * next reservation key list descriptor.
                 */
-               if ((add_len + 8) > (cmd->data_length - 8))
-                       break;
-
-               put_unaligned_be64(pr_reg->pr_res_key, &buf[off]);
-               off += 8;
+               if (off + 8 <= cmd->data_length) {
+                       put_unaligned_be64(pr_reg->pr_res_key, &buf[off]);
+                       off += 8;
+               }
+               /*
+                * SPC5r17: 6.16.2 READ KEYS service action
+                * The ADDITIONAL LENGTH field indicates the number of bytes in
+                * the Reservation key list. The contents of the ADDITIONAL
+                * LENGTH field are not altered based on the allocation length
+                */
                add_len += 8;
        }
        spin_unlock(&dev->t10_pr.registration_lock);
index 7f96dfa32b9cdf1cbf167fe1b0581e3b94f1a08b..d8dc3d22051f7810efa5faafba0cc71e3ad43040 100644 (file)
@@ -656,7 +656,7 @@ static void scatter_data_area(struct tcmu_dev *udev,
 }
 
 static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
-                            bool bidi)
+                            bool bidi, uint32_t read_len)
 {
        struct se_cmd *se_cmd = cmd->se_cmd;
        int i, dbi;
@@ -689,7 +689,7 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
        for_each_sg(data_sg, sg, data_nents, i) {
                int sg_remaining = sg->length;
                to = kmap_atomic(sg_page(sg)) + sg->offset;
-               while (sg_remaining > 0) {
+               while (sg_remaining > 0 && read_len > 0) {
                        if (block_remaining == 0) {
                                if (from)
                                        kunmap_atomic(from);
@@ -701,6 +701,8 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
                        }
                        copy_bytes = min_t(size_t, sg_remaining,
                                        block_remaining);
+                       if (read_len < copy_bytes)
+                               copy_bytes = read_len;
                        offset = DATA_BLOCK_SIZE - block_remaining;
                        tcmu_flush_dcache_range(from, copy_bytes);
                        memcpy(to + sg->length - sg_remaining, from + offset,
@@ -708,8 +710,11 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd,
 
                        sg_remaining -= copy_bytes;
                        block_remaining -= copy_bytes;
+                       read_len -= copy_bytes;
                }
                kunmap_atomic(to - sg->offset);
+               if (read_len == 0)
+                       break;
        }
        if (from)
                kunmap_atomic(from);
@@ -1042,6 +1047,8 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
 {
        struct se_cmd *se_cmd = cmd->se_cmd;
        struct tcmu_dev *udev = cmd->tcmu_dev;
+       bool read_len_valid = false;
+       uint32_t read_len = se_cmd->data_length;
 
        /*
         * cmd has been completed already from timeout, just reclaim
@@ -1056,13 +1063,28 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
                pr_warn("TCMU: Userspace set UNKNOWN_OP flag on se_cmd %p\n",
                        cmd->se_cmd);
                entry->rsp.scsi_status = SAM_STAT_CHECK_CONDITION;
-       } else if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) {
+               goto done;
+       }
+
+       if (se_cmd->data_direction == DMA_FROM_DEVICE &&
+           (entry->hdr.uflags & TCMU_UFLAG_READ_LEN) && entry->rsp.read_len) {
+               read_len_valid = true;
+               if (entry->rsp.read_len < read_len)
+                       read_len = entry->rsp.read_len;
+       }
+
+       if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) {
                transport_copy_sense_to_cmd(se_cmd, entry->rsp.sense_buffer);
-       } else if (se_cmd->se_cmd_flags & SCF_BIDI) {
+               if (!read_len_valid )
+                       goto done;
+               else
+                       se_cmd->se_cmd_flags |= SCF_TREAT_READ_AS_NORMAL;
+       }
+       if (se_cmd->se_cmd_flags & SCF_BIDI) {
                /* Get Data-In buffer before clean up */
-               gather_data_area(udev, cmd, true);
+               gather_data_area(udev, cmd, true, read_len);
        } else if (se_cmd->data_direction == DMA_FROM_DEVICE) {
-               gather_data_area(udev, cmd, false);
+               gather_data_area(udev, cmd, false, read_len);
        } else if (se_cmd->data_direction == DMA_TO_DEVICE) {
                /* TODO: */
        } else if (se_cmd->data_direction != DMA_NONE) {
@@ -1070,7 +1092,13 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
                        se_cmd->data_direction);
        }
 
-       target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status);
+done:
+       if (read_len_valid) {
+               pr_debug("read_len = %d\n", read_len);
+               target_complete_cmd_with_length(cmd->se_cmd,
+                                       entry->rsp.scsi_status, read_len);
+       } else
+               target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status);
 
 out:
        cmd->se_cmd = NULL;
@@ -1740,7 +1768,7 @@ static int tcmu_configure_device(struct se_device *dev)
        /* Initialise the mailbox of the ring buffer */
        mb = udev->mb_addr;
        mb->version = TCMU_MAILBOX_VERSION;
-       mb->flags = TCMU_MAILBOX_FLAG_CAP_OOOC;
+       mb->flags = TCMU_MAILBOX_FLAG_CAP_OOOC | TCMU_MAILBOX_FLAG_CAP_READ_LEN;
        mb->cmdr_off = CMDR_OFF;
        mb->cmdr_size = udev->cmdr_size;
 
index 6281266b8ec0a15721da5196b641b707b8a5c973..a923ebdeb73c80bf845af7acc90dcc20a9c2ce1b 100644 (file)
@@ -213,6 +213,10 @@ static ssize_t boot_acl_store(struct device *dev, struct device_attribute *attr,
                goto err_free_acl;
        }
        ret = tb->cm_ops->set_boot_acl(tb, acl, tb->nboot_acl);
+       if (!ret) {
+               /* Notify userspace about the change */
+               kobject_uevent(&tb->dev.kobj, KOBJ_CHANGE);
+       }
        mutex_unlock(&tb->lock);
 
 err_free_acl:
index cbe98bc2b998276fd95b2d8086a6fabcf2351bf7..43174220170924e094567ad6271703bd881e2a6f 100644 (file)
@@ -124,6 +124,8 @@ struct n_tty_data {
        struct mutex output_lock;
 };
 
+#define MASK(x) ((x) & (N_TTY_BUF_SIZE - 1))
+
 static inline size_t read_cnt(struct n_tty_data *ldata)
 {
        return ldata->read_head - ldata->read_tail;
@@ -141,6 +143,7 @@ static inline unsigned char *read_buf_addr(struct n_tty_data *ldata, size_t i)
 
 static inline unsigned char echo_buf(struct n_tty_data *ldata, size_t i)
 {
+       smp_rmb(); /* Matches smp_wmb() in add_echo_byte(). */
        return ldata->echo_buf[i & (N_TTY_BUF_SIZE - 1)];
 }
 
@@ -316,9 +319,7 @@ static inline void put_tty_queue(unsigned char c, struct n_tty_data *ldata)
 static void reset_buffer_flags(struct n_tty_data *ldata)
 {
        ldata->read_head = ldata->canon_head = ldata->read_tail = 0;
-       ldata->echo_head = ldata->echo_tail = ldata->echo_commit = 0;
        ldata->commit_head = 0;
-       ldata->echo_mark = 0;
        ldata->line_start = 0;
 
        ldata->erasing = 0;
@@ -617,12 +618,19 @@ static size_t __process_echoes(struct tty_struct *tty)
        old_space = space = tty_write_room(tty);
 
        tail = ldata->echo_tail;
-       while (ldata->echo_commit != tail) {
+       while (MASK(ldata->echo_commit) != MASK(tail)) {
                c = echo_buf(ldata, tail);
                if (c == ECHO_OP_START) {
                        unsigned char op;
                        int no_space_left = 0;
 
+                       /*
+                        * Since add_echo_byte() is called without holding
+                        * output_lock, we might see only portion of multi-byte
+                        * operation.
+                        */
+                       if (MASK(ldata->echo_commit) == MASK(tail + 1))
+                               goto not_yet_stored;
                        /*
                         * If the buffer byte is the start of a multi-byte
                         * operation, get the next byte, which is either the
@@ -634,6 +642,8 @@ static size_t __process_echoes(struct tty_struct *tty)
                                unsigned int num_chars, num_bs;
 
                        case ECHO_OP_ERASE_TAB:
+                               if (MASK(ldata->echo_commit) == MASK(tail + 2))
+                                       goto not_yet_stored;
                                num_chars = echo_buf(ldata, tail + 2);
 
                                /*
@@ -728,7 +738,8 @@ static size_t __process_echoes(struct tty_struct *tty)
        /* If the echo buffer is nearly full (so that the possibility exists
         * of echo overrun before the next commit), then discard enough
         * data at the tail to prevent a subsequent overrun */
-       while (ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {
+       while (ldata->echo_commit > tail &&
+              ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {
                if (echo_buf(ldata, tail) == ECHO_OP_START) {
                        if (echo_buf(ldata, tail + 1) == ECHO_OP_ERASE_TAB)
                                tail += 3;
@@ -738,6 +749,7 @@ static size_t __process_echoes(struct tty_struct *tty)
                        tail++;
        }
 
+ not_yet_stored:
        ldata->echo_tail = tail;
        return old_space - space;
 }
@@ -748,6 +760,7 @@ static void commit_echoes(struct tty_struct *tty)
        size_t nr, old, echoed;
        size_t head;
 
+       mutex_lock(&ldata->output_lock);
        head = ldata->echo_head;
        ldata->echo_mark = head;
        old = ldata->echo_commit - ldata->echo_tail;
@@ -756,10 +769,12 @@ static void commit_echoes(struct tty_struct *tty)
         * is over the threshold (and try again each time another
         * block is accumulated) */
        nr = head - ldata->echo_tail;
-       if (nr < ECHO_COMMIT_WATERMARK || (nr % ECHO_BLOCK > old % ECHO_BLOCK))
+       if (nr < ECHO_COMMIT_WATERMARK ||
+           (nr % ECHO_BLOCK > old % ECHO_BLOCK)) {
+               mutex_unlock(&ldata->output_lock);
                return;
+       }
 
-       mutex_lock(&ldata->output_lock);
        ldata->echo_commit = head;
        echoed = __process_echoes(tty);
        mutex_unlock(&ldata->output_lock);
@@ -810,7 +825,9 @@ static void flush_echoes(struct tty_struct *tty)
 
 static inline void add_echo_byte(unsigned char c, struct n_tty_data *ldata)
 {
-       *echo_buf_addr(ldata, ldata->echo_head++) = c;
+       *echo_buf_addr(ldata, ldata->echo_head) = c;
+       smp_wmb(); /* Matches smp_rmb() in echo_buf(). */
+       ldata->echo_head++;
 }
 
 /**
@@ -978,14 +995,15 @@ static void eraser(unsigned char c, struct tty_struct *tty)
        }
 
        seen_alnums = 0;
-       while (ldata->read_head != ldata->canon_head) {
+       while (MASK(ldata->read_head) != MASK(ldata->canon_head)) {
                head = ldata->read_head;
 
                /* erase a single possibly multibyte character */
                do {
                        head--;
                        c = read_buf(ldata, head);
-               } while (is_continuation(c, tty) && head != ldata->canon_head);
+               } while (is_continuation(c, tty) &&
+                        MASK(head) != MASK(ldata->canon_head));
 
                /* do not partially erase */
                if (is_continuation(c, tty))
@@ -1027,7 +1045,7 @@ static void eraser(unsigned char c, struct tty_struct *tty)
                                 * This info is used to go back the correct
                                 * number of columns.
                                 */
-                               while (tail != ldata->canon_head) {
+                               while (MASK(tail) != MASK(ldata->canon_head)) {
                                        tail--;
                                        c = read_buf(ldata, tail);
                                        if (c == '\t') {
@@ -1302,7 +1320,7 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c)
                        finish_erasing(ldata);
                        echo_char(c, tty);
                        echo_char_raw('\n', ldata);
-                       while (tail != ldata->read_head) {
+                       while (MASK(tail) != MASK(ldata->read_head)) {
                                echo_char(read_buf(ldata, tail), tty);
                                tail++;
                        }
@@ -1878,30 +1896,21 @@ static int n_tty_open(struct tty_struct *tty)
        struct n_tty_data *ldata;
 
        /* Currently a malloc failure here can panic */
-       ldata = vmalloc(sizeof(*ldata));
+       ldata = vzalloc(sizeof(*ldata));
        if (!ldata)
-               goto err;
+               return -ENOMEM;
 
        ldata->overrun_time = jiffies;
        mutex_init(&ldata->atomic_read_lock);
        mutex_init(&ldata->output_lock);
 
        tty->disc_data = ldata;
-       reset_buffer_flags(tty->disc_data);
-       ldata->column = 0;
-       ldata->canon_column = 0;
-       ldata->num_overrun = 0;
-       ldata->no_room = 0;
-       ldata->lnext = 0;
        tty->closing = 0;
        /* indicate buffer work may resume */
        clear_bit(TTY_LDISC_HALTED, &tty->flags);
        n_tty_set_termios(tty, NULL);
        tty_unthrottle(tty);
-
        return 0;
-err:
-       return -ENOMEM;
 }
 
 static inline int input_available_p(struct tty_struct *tty, int poll)
@@ -2411,7 +2420,7 @@ static unsigned long inq_canon(struct n_tty_data *ldata)
        tail = ldata->read_tail;
        nr = head - tail;
        /* Skip EOF-chars.. */
-       while (head != tail) {
+       while (MASK(head) != MASK(tail)) {
                if (test_bit(tail & (N_TTY_BUF_SIZE - 1), ldata->read_flags) &&
                    read_buf(ldata, tail) == __DISABLED_CHAR)
                        nr--;
index df93b727e984ee3d185fa0f5a42cad09d63a3f65..9e59f4788589c879358ce12507362baec459533d 100644 (file)
@@ -617,6 +617,7 @@ EXPORT_SYMBOL_GPL(__serdev_device_driver_register);
 static void __exit serdev_exit(void)
 {
        bus_unregister(&serdev_bus_type);
+       ida_destroy(&ctrl_ida);
 }
 module_exit(serdev_exit);
 
index 3296a05cda2db8d53b1d869123ed8e2aa884a248..f80a300b5d68f6e8ad61b7daf2544234da7e1662 100644 (file)
@@ -3339,9 +3339,7 @@ static const struct pci_device_id blacklist[] = {
        /* multi-io cards handled by parport_serial */
        { PCI_DEVICE(0x4348, 0x7053), }, /* WCH CH353 2S1P */
        { PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */
-       { PCI_DEVICE(0x4348, 0x7173), }, /* WCH CH355 4S */
        { PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */
-       { PCI_DEVICE(0x1c00, 0x3470), }, /* WCH CH384 4S */
 
        /* Moxa Smartio MUE boards handled by 8250_moxa */
        { PCI_VDEVICE(MOXA, 0x1024), },
index 1eb1a376a0419d4084cd7a72e1e2c7eb769798f7..15eb6c829d39c5b108adfca034fa50769763c0bc 100644 (file)
@@ -784,7 +784,7 @@ int vc_allocate(unsigned int currcons)      /* return 0 on success */
        if (!*vc->vc_uni_pagedir_loc)
                con_set_default_unimap(vc);
 
-       vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL);
+       vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_KERNEL);
        if (!vc->vc_screenbuf)
                goto err_free;
 
@@ -871,7 +871,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
 
        if (new_screen_size > (4 << 20))
                return -EINVAL;
-       newscreen = kmalloc(new_screen_size, GFP_USER);
+       newscreen = kzalloc(new_screen_size, GFP_USER);
        if (!newscreen)
                return -ENOMEM;
 
index e8f4ac9400ea842a8fe631fe23519e04f565f4e6..5d421d7e8904fc633f9f25c0faf6d69ec1d8f498 100644 (file)
@@ -215,7 +215,20 @@ static ssize_t name_show(struct device *dev,
                         struct device_attribute *attr, char *buf)
 {
        struct uio_device *idev = dev_get_drvdata(dev);
-       return sprintf(buf, "%s\n", idev->info->name);
+       int ret;
+
+       mutex_lock(&idev->info_lock);
+       if (!idev->info) {
+               ret = -EINVAL;
+               dev_err(dev, "the device has been unregistered\n");
+               goto out;
+       }
+
+       ret = sprintf(buf, "%s\n", idev->info->name);
+
+out:
+       mutex_unlock(&idev->info_lock);
+       return ret;
 }
 static DEVICE_ATTR_RO(name);
 
@@ -223,7 +236,20 @@ static ssize_t version_show(struct device *dev,
                            struct device_attribute *attr, char *buf)
 {
        struct uio_device *idev = dev_get_drvdata(dev);
-       return sprintf(buf, "%s\n", idev->info->version);
+       int ret;
+
+       mutex_lock(&idev->info_lock);
+       if (!idev->info) {
+               ret = -EINVAL;
+               dev_err(dev, "the device has been unregistered\n");
+               goto out;
+       }
+
+       ret = sprintf(buf, "%s\n", idev->info->version);
+
+out:
+       mutex_unlock(&idev->info_lock);
+       return ret;
 }
 static DEVICE_ATTR_RO(version);
 
@@ -415,11 +441,15 @@ EXPORT_SYMBOL_GPL(uio_event_notify);
 static irqreturn_t uio_interrupt(int irq, void *dev_id)
 {
        struct uio_device *idev = (struct uio_device *)dev_id;
-       irqreturn_t ret = idev->info->handler(irq, idev->info);
+       irqreturn_t ret;
 
+       mutex_lock(&idev->info_lock);
+
+       ret = idev->info->handler(irq, idev->info);
        if (ret == IRQ_HANDLED)
                uio_event_notify(idev->info);
 
+       mutex_unlock(&idev->info_lock);
        return ret;
 }
 
@@ -433,7 +463,6 @@ static int uio_open(struct inode *inode, struct file *filep)
        struct uio_device *idev;
        struct uio_listener *listener;
        int ret = 0;
-       unsigned long flags;
 
        mutex_lock(&minor_lock);
        idev = idr_find(&uio_idr, iminor(inode));
@@ -460,10 +489,16 @@ static int uio_open(struct inode *inode, struct file *filep)
        listener->event_count = atomic_read(&idev->event);
        filep->private_data = listener;
 
-       spin_lock_irqsave(&idev->info_lock, flags);
+       mutex_lock(&idev->info_lock);
+       if (!idev->info) {
+               mutex_unlock(&idev->info_lock);
+               ret = -EINVAL;
+               goto err_alloc_listener;
+       }
+
        if (idev->info && idev->info->open)
                ret = idev->info->open(idev->info, inode);
-       spin_unlock_irqrestore(&idev->info_lock, flags);
+       mutex_unlock(&idev->info_lock);
        if (ret)
                goto err_infoopen;
 
@@ -495,12 +530,11 @@ static int uio_release(struct inode *inode, struct file *filep)
        int ret = 0;
        struct uio_listener *listener = filep->private_data;
        struct uio_device *idev = listener->dev;
-       unsigned long flags;
 
-       spin_lock_irqsave(&idev->info_lock, flags);
+       mutex_lock(&idev->info_lock);
        if (idev->info && idev->info->release)
                ret = idev->info->release(idev->info, inode);
-       spin_unlock_irqrestore(&idev->info_lock, flags);
+       mutex_unlock(&idev->info_lock);
 
        module_put(idev->owner);
        kfree(listener);
@@ -513,12 +547,11 @@ static __poll_t uio_poll(struct file *filep, poll_table *wait)
        struct uio_listener *listener = filep->private_data;
        struct uio_device *idev = listener->dev;
        __poll_t ret = 0;
-       unsigned long flags;
 
-       spin_lock_irqsave(&idev->info_lock, flags);
+       mutex_lock(&idev->info_lock);
        if (!idev->info || !idev->info->irq)
                ret = -EIO;
-       spin_unlock_irqrestore(&idev->info_lock, flags);
+       mutex_unlock(&idev->info_lock);
 
        if (ret)
                return ret;
@@ -537,12 +570,11 @@ static ssize_t uio_read(struct file *filep, char __user *buf,
        DECLARE_WAITQUEUE(wait, current);
        ssize_t retval = 0;
        s32 event_count;
-       unsigned long flags;
 
-       spin_lock_irqsave(&idev->info_lock, flags);
+       mutex_lock(&idev->info_lock);
        if (!idev->info || !idev->info->irq)
                retval = -EIO;
-       spin_unlock_irqrestore(&idev->info_lock, flags);
+       mutex_unlock(&idev->info_lock);
 
        if (retval)
                return retval;
@@ -592,9 +624,13 @@ static ssize_t uio_write(struct file *filep, const char __user *buf,
        struct uio_device *idev = listener->dev;
        ssize_t retval;
        s32 irq_on;
-       unsigned long flags;
 
-       spin_lock_irqsave(&idev->info_lock, flags);
+       mutex_lock(&idev->info_lock);
+       if (!idev->info) {
+               retval = -EINVAL;
+               goto out;
+       }
+
        if (!idev->info || !idev->info->irq) {
                retval = -EIO;
                goto out;
@@ -618,7 +654,7 @@ static ssize_t uio_write(struct file *filep, const char __user *buf,
        retval = idev->info->irqcontrol(idev->info, irq_on);
 
 out:
-       spin_unlock_irqrestore(&idev->info_lock, flags);
+       mutex_unlock(&idev->info_lock);
        return retval ? retval : sizeof(s32);
 }
 
@@ -640,10 +676,20 @@ static vm_fault_t uio_vma_fault(struct vm_fault *vmf)
        struct page *page;
        unsigned long offset;
        void *addr;
+       int ret = 0;
+       int mi;
 
-       int mi = uio_find_mem_index(vmf->vma);
-       if (mi < 0)
-               return VM_FAULT_SIGBUS;
+       mutex_lock(&idev->info_lock);
+       if (!idev->info) {
+               ret = VM_FAULT_SIGBUS;
+               goto out;
+       }
+
+       mi = uio_find_mem_index(vmf->vma);
+       if (mi < 0) {
+               ret = VM_FAULT_SIGBUS;
+               goto out;
+       }
 
        /*
         * We need to subtract mi because userspace uses offset = N*PAGE_SIZE
@@ -658,7 +704,11 @@ static vm_fault_t uio_vma_fault(struct vm_fault *vmf)
                page = vmalloc_to_page(addr);
        get_page(page);
        vmf->page = page;
-       return 0;
+
+out:
+       mutex_unlock(&idev->info_lock);
+
+       return ret;
 }
 
 static const struct vm_operations_struct uio_logical_vm_ops = {
@@ -683,6 +733,7 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
        struct uio_device *idev = vma->vm_private_data;
        int mi = uio_find_mem_index(vma);
        struct uio_mem *mem;
+
        if (mi < 0)
                return -EINVAL;
        mem = idev->info->mem + mi;
@@ -724,30 +775,46 @@ static int uio_mmap(struct file *filep, struct vm_area_struct *vma)
 
        vma->vm_private_data = idev;
 
+       mutex_lock(&idev->info_lock);
+       if (!idev->info) {
+               ret = -EINVAL;
+               goto out;
+       }
+
        mi = uio_find_mem_index(vma);
-       if (mi < 0)
-               return -EINVAL;
+       if (mi < 0) {
+               ret = -EINVAL;
+               goto out;
+       }
 
        requested_pages = vma_pages(vma);
        actual_pages = ((idev->info->mem[mi].addr & ~PAGE_MASK)
                        + idev->info->mem[mi].size + PAGE_SIZE -1) >> PAGE_SHIFT;
-       if (requested_pages > actual_pages)
-               return -EINVAL;
+       if (requested_pages > actual_pages) {
+               ret = -EINVAL;
+               goto out;
+       }
 
        if (idev->info->mmap) {
                ret = idev->info->mmap(idev->info, vma);
-               return ret;
+               goto out;
        }
 
        switch (idev->info->mem[mi].memtype) {
                case UIO_MEM_PHYS:
-                       return uio_mmap_physical(vma);
+                       ret = uio_mmap_physical(vma);
+                       break;
                case UIO_MEM_LOGICAL:
                case UIO_MEM_VIRTUAL:
-                       return uio_mmap_logical(vma);
+                       ret = uio_mmap_logical(vma);
+                       break;
                default:
-                       return -EINVAL;
+                       ret = -EINVAL;
        }
+
+out:
+       mutex_unlock(&idev->info_lock);
+       return 0;
 }
 
 static const struct file_operations uio_fops = {
@@ -865,7 +932,7 @@ int __uio_register_device(struct module *owner,
 
        idev->owner = owner;
        idev->info = info;
-       spin_lock_init(&idev->info_lock);
+       mutex_init(&idev->info_lock);
        init_waitqueue_head(&idev->wait);
        atomic_set(&idev->event, 0);
 
@@ -902,8 +969,9 @@ int __uio_register_device(struct module *owner,
                 * FDs at the time of unregister and therefore may not be
                 * freed until they are released.
                 */
-               ret = request_irq(info->irq, uio_interrupt,
-                                 info->irq_flags, info->name, idev);
+               ret = request_threaded_irq(info->irq, NULL, uio_interrupt,
+                                          info->irq_flags, info->name, idev);
+
                if (ret)
                        goto err_request_irq;
        }
@@ -928,7 +996,6 @@ EXPORT_SYMBOL_GPL(__uio_register_device);
 void uio_unregister_device(struct uio_info *info)
 {
        struct uio_device *idev;
-       unsigned long flags;
 
        if (!info || !info->uio_dev)
                return;
@@ -937,14 +1004,14 @@ void uio_unregister_device(struct uio_info *info)
 
        uio_free_minor(idev);
 
+       mutex_lock(&idev->info_lock);
        uio_dev_del_attributes(idev);
 
        if (info->irq && info->irq != UIO_IRQ_CUSTOM)
                free_irq(info->irq, idev);
 
-       spin_lock_irqsave(&idev->info_lock, flags);
        idev->info = NULL;
-       spin_unlock_irqrestore(&idev->info_lock, flags);
+       mutex_unlock(&idev->info_lock);
 
        device_unregister(&idev->dev);
 
index af45aa3222b5ce1c99ccb4de586c988d3b3a0b9f..4638d9b066bea7ad2b35f6c966ee7acec428facf 100644 (file)
@@ -124,8 +124,11 @@ static int host_start(struct ci_hdrc *ci)
 
        hcd->power_budget = ci->platdata->power_budget;
        hcd->tpl_support = ci->platdata->tpl_support;
-       if (ci->phy || ci->usb_phy)
+       if (ci->phy || ci->usb_phy) {
                hcd->skip_phy_initialization = 1;
+               if (ci->usb_phy)
+                       hcd->usb_phy = ci->usb_phy;
+       }
 
        ehci = hcd_to_ehci(hcd);
        ehci->caps = ci->hw_bank.cap;
index 7b366a6c0b493f2eb8bec4959830d222223f3cb2..998b32d0167e9970c4aa096520bdd7c9011f9137 100644 (file)
@@ -1758,6 +1758,9 @@ static const struct usb_device_id acm_ids[] = {
        { USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */
        .driver_info = SINGLE_RX_URB,
        },
+       { USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */
+       .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+       },
        { USB_DEVICE(0x22b8, 0x7000), /* Motorola Q Phone */
        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
        },
index c55def2f1320f92c6c0c652fc94c7056165ee467..097057d2eacf7bcb18316473c6f0def8a5744b62 100644 (file)
@@ -378,6 +378,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Corsair K70 RGB */
        { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
 
+       /* Corsair Strafe */
+       { USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
+         USB_QUIRK_DELAY_CTRL_MSG },
+
        /* Corsair Strafe RGB */
        { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
          USB_QUIRK_DELAY_CTRL_MSG },
index 4a56ac772a3c35360d3834f5542aad22d5b1b720..71b3b08ad516c9fb3bfbd403da1687b5825e7e14 100644 (file)
@@ -1004,6 +1004,7 @@ struct dwc2_hregs_backup {
  * @frame_list_sz:      Frame list size
  * @desc_gen_cache:     Kmem cache for generic descriptors
  * @desc_hsisoc_cache:  Kmem cache for hs isochronous descriptors
+ * @unaligned_cache:    Kmem cache for DMA mode to handle non-aligned buf
  *
  * These are for peripheral mode:
  *
@@ -1177,6 +1178,8 @@ struct dwc2_hsotg {
        u32 frame_list_sz;
        struct kmem_cache *desc_gen_cache;
        struct kmem_cache *desc_hsisoc_cache;
+       struct kmem_cache *unaligned_cache;
+#define DWC2_KMEM_UNALIGNED_BUF_SIZE 1024
 
 #endif /* CONFIG_USB_DWC2_HOST || CONFIG_USB_DWC2_DUAL_ROLE */
 
index f0d9ccf1d665ad37b2f23786806bde8c16da11ea..a0f82cca2d9a8e70f0760acbc3b19ced08c7d7dc 100644 (file)
@@ -812,6 +812,7 @@ static int dwc2_gadget_fill_isoc_desc(struct dwc2_hsotg_ep *hs_ep,
        u32 index;
        u32 maxsize = 0;
        u32 mask = 0;
+       u8 pid = 0;
 
        maxsize = dwc2_gadget_get_desc_params(hs_ep, &mask);
 
@@ -840,7 +841,11 @@ static int dwc2_gadget_fill_isoc_desc(struct dwc2_hsotg_ep *hs_ep,
                         ((len << DEV_DMA_NBYTES_SHIFT) & mask));
 
        if (hs_ep->dir_in) {
-               desc->status |= ((hs_ep->mc << DEV_DMA_ISOC_PID_SHIFT) &
+               if (len)
+                       pid = DIV_ROUND_UP(len, hs_ep->ep.maxpacket);
+               else
+                       pid = 1;
+               desc->status |= ((pid << DEV_DMA_ISOC_PID_SHIFT) &
                                 DEV_DMA_ISOC_PID_MASK) |
                                ((len % hs_ep->ep.maxpacket) ?
                                 DEV_DMA_SHORT : 0) |
@@ -884,6 +889,7 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep)
        struct dwc2_dma_desc *desc;
 
        if (list_empty(&hs_ep->queue)) {
+               hs_ep->target_frame = TARGET_FRAME_INITIAL;
                dev_dbg(hsotg->dev, "%s: No requests in queue\n", __func__);
                return;
        }
@@ -2755,8 +2761,6 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
         */
        tmp = dwc2_hsotg_read_frameno(hsotg);
 
-       dwc2_hsotg_complete_request(hsotg, ep, get_ep_head(ep), 0);
-
        if (using_desc_dma(hsotg)) {
                if (ep->target_frame == TARGET_FRAME_INITIAL) {
                        /* Start first ISO Out */
@@ -2817,9 +2821,6 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep)
 
                tmp = dwc2_hsotg_read_frameno(hsotg);
                if (using_desc_dma(hsotg)) {
-                       dwc2_hsotg_complete_request(hsotg, hs_ep,
-                                                   get_ep_head(hs_ep), 0);
-
                        hs_ep->target_frame = tmp;
                        dwc2_gadget_incr_frame_num(hs_ep);
                        dwc2_gadget_start_isoc_ddma(hs_ep);
@@ -4739,9 +4740,11 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
        }
 
        ret = usb_add_gadget_udc(dev, &hsotg->gadget);
-       if (ret)
+       if (ret) {
+               dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep,
+                                          hsotg->ctrl_req);
                return ret;
-
+       }
        dwc2_hsotg_dump(hsotg);
 
        return 0;
@@ -4755,6 +4758,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
 int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg)
 {
        usb_del_gadget_udc(&hsotg->gadget);
+       dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep, hsotg->ctrl_req);
 
        return 0;
 }
index edaf0b6af4f0491ba192d346c29a792a06a85751..b1104be3429c2285677d2101004080e9a30af769 100644 (file)
@@ -1567,11 +1567,20 @@ static void dwc2_hc_start_transfer(struct dwc2_hsotg *hsotg,
        }
 
        if (hsotg->params.host_dma) {
-               dwc2_writel((u32)chan->xfer_dma,
-                           hsotg->regs + HCDMA(chan->hc_num));
+               dma_addr_t dma_addr;
+
+               if (chan->align_buf) {
+                       if (dbg_hc(chan))
+                               dev_vdbg(hsotg->dev, "align_buf\n");
+                       dma_addr = chan->align_buf;
+               } else {
+                       dma_addr = chan->xfer_dma;
+               }
+               dwc2_writel((u32)dma_addr, hsotg->regs + HCDMA(chan->hc_num));
+
                if (dbg_hc(chan))
                        dev_vdbg(hsotg->dev, "Wrote %08lx to HCDMA(%d)\n",
-                                (unsigned long)chan->xfer_dma, chan->hc_num);
+                                (unsigned long)dma_addr, chan->hc_num);
        }
 
        /* Start the split */
@@ -2625,6 +2634,35 @@ static void dwc2_hc_init_xfer(struct dwc2_hsotg *hsotg,
        }
 }
 
+static int dwc2_alloc_split_dma_aligned_buf(struct dwc2_hsotg *hsotg,
+                                           struct dwc2_qh *qh,
+                                           struct dwc2_host_chan *chan)
+{
+       if (!hsotg->unaligned_cache ||
+           chan->max_packet > DWC2_KMEM_UNALIGNED_BUF_SIZE)
+               return -ENOMEM;
+
+       if (!qh->dw_align_buf) {
+               qh->dw_align_buf = kmem_cache_alloc(hsotg->unaligned_cache,
+                                                   GFP_ATOMIC | GFP_DMA);
+               if (!qh->dw_align_buf)
+                       return -ENOMEM;
+       }
+
+       qh->dw_align_buf_dma = dma_map_single(hsotg->dev, qh->dw_align_buf,
+                                             DWC2_KMEM_UNALIGNED_BUF_SIZE,
+                                             DMA_FROM_DEVICE);
+
+       if (dma_mapping_error(hsotg->dev, qh->dw_align_buf_dma)) {
+               dev_err(hsotg->dev, "can't map align_buf\n");
+               chan->align_buf = 0;
+               return -EINVAL;
+       }
+
+       chan->align_buf = qh->dw_align_buf_dma;
+       return 0;
+}
+
 #define DWC2_USB_DMA_ALIGN 4
 
 struct dma_aligned_buffer {
@@ -2802,6 +2840,32 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
        /* Set the transfer attributes */
        dwc2_hc_init_xfer(hsotg, chan, qtd);
 
+       /* For non-dword aligned buffers */
+       if (hsotg->params.host_dma && qh->do_split &&
+           chan->ep_is_in && (chan->xfer_dma & 0x3)) {
+               dev_vdbg(hsotg->dev, "Non-aligned buffer\n");
+               if (dwc2_alloc_split_dma_aligned_buf(hsotg, qh, chan)) {
+                       dev_err(hsotg->dev,
+                               "Failed to allocate memory to handle non-aligned buffer\n");
+                       /* Add channel back to free list */
+                       chan->align_buf = 0;
+                       chan->multi_count = 0;
+                       list_add_tail(&chan->hc_list_entry,
+                                     &hsotg->free_hc_list);
+                       qtd->in_process = 0;
+                       qh->channel = NULL;
+                       return -ENOMEM;
+               }
+       } else {
+               /*
+                * We assume that DMA is always aligned in non-split
+                * case or split out case. Warn if not.
+                */
+               WARN_ON_ONCE(hsotg->params.host_dma &&
+                            (chan->xfer_dma & 0x3));
+               chan->align_buf = 0;
+       }
+
        if (chan->ep_type == USB_ENDPOINT_XFER_INT ||
            chan->ep_type == USB_ENDPOINT_XFER_ISOC)
                /*
@@ -5246,6 +5310,19 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
                }
        }
 
+       if (hsotg->params.host_dma) {
+               /*
+                * Create kmem caches to handle non-aligned buffer
+                * in Buffer DMA mode.
+                */
+               hsotg->unaligned_cache = kmem_cache_create("dwc2-unaligned-dma",
+                                               DWC2_KMEM_UNALIGNED_BUF_SIZE, 4,
+                                               SLAB_CACHE_DMA, NULL);
+               if (!hsotg->unaligned_cache)
+                       dev_err(hsotg->dev,
+                               "unable to create dwc2 unaligned cache\n");
+       }
+
        hsotg->otg_port = 1;
        hsotg->frame_list = NULL;
        hsotg->frame_list_dma = 0;
@@ -5280,8 +5357,9 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
        return 0;
 
 error4:
-       kmem_cache_destroy(hsotg->desc_gen_cache);
+       kmem_cache_destroy(hsotg->unaligned_cache);
        kmem_cache_destroy(hsotg->desc_hsisoc_cache);
+       kmem_cache_destroy(hsotg->desc_gen_cache);
 error3:
        dwc2_hcd_release(hsotg);
 error2:
@@ -5322,8 +5400,9 @@ void dwc2_hcd_remove(struct dwc2_hsotg *hsotg)
        usb_remove_hcd(hcd);
        hsotg->priv = NULL;
 
-       kmem_cache_destroy(hsotg->desc_gen_cache);
+       kmem_cache_destroy(hsotg->unaligned_cache);
        kmem_cache_destroy(hsotg->desc_hsisoc_cache);
+       kmem_cache_destroy(hsotg->desc_gen_cache);
 
        dwc2_hcd_release(hsotg);
        usb_put_hcd(hcd);
@@ -5435,7 +5514,7 @@ int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg)
        dwc2_writel(hprt0, hsotg->regs + HPRT0);
 
        /* Wait for the HPRT0.PrtSusp register field to be set */
-       if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 300))
+       if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 3000))
                dev_warn(hsotg->dev, "Suspend wasn't generated\n");
 
        /*
@@ -5616,6 +5695,8 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
                return ret;
        }
 
+       dwc2_hcd_rem_wakeup(hsotg);
+
        hsotg->hibernated = 0;
        hsotg->bus_suspended = 0;
        hsotg->lx_state = DWC2_L0;
index 7db1ee7e7a7781c12100d413abe7e4d62828e951..5502a501f5166640a2926132e4d4e1ee2f450724 100644 (file)
@@ -76,6 +76,8 @@ struct dwc2_qh;
  *                      (micro)frame
  * @xfer_buf:           Pointer to current transfer buffer position
  * @xfer_dma:           DMA address of xfer_buf
+ * @align_buf:          In Buffer DMA mode this will be used if xfer_buf is not
+ *                      DWORD aligned
  * @xfer_len:           Total number of bytes to transfer
  * @xfer_count:         Number of bytes transferred so far
  * @start_pkt_count:    Packet count at start of transfer
@@ -133,6 +135,7 @@ struct dwc2_host_chan {
 
        u8 *xfer_buf;
        dma_addr_t xfer_dma;
+       dma_addr_t align_buf;
        u32 xfer_len;
        u32 xfer_count;
        u16 start_pkt_count;
@@ -302,6 +305,9 @@ struct dwc2_hs_transfer_time {
  *                           speed.  Note that this is in "schedule slice" which
  *                           is tightly packed.
  * @ntd:                Actual number of transfer descriptors in a list
+ * @dw_align_buf:       Used instead of original buffer if its physical address
+ *                      is not dword-aligned
+ * @dw_align_buf_dma:   DMA address for dw_align_buf
  * @qtd_list:           List of QTDs for this QH
  * @channel:            Host channel currently processing transfers for this QH
  * @qh_list_entry:      Entry for QH in either the periodic or non-periodic
@@ -350,6 +356,8 @@ struct dwc2_qh {
        struct dwc2_hs_transfer_time hs_transfers[DWC2_HS_SCHEDULE_UFRAMES];
        u32 ls_start_schedule_slice;
        u16 ntd;
+       u8 *dw_align_buf;
+       dma_addr_t dw_align_buf_dma;
        struct list_head qtd_list;
        struct dwc2_host_chan *channel;
        struct list_head qh_list_entry;
index fbea5e3fb9479bc4ff4ef250026df2583969ec67..ed7f05cf490637ba554e8be2fabea46bc118bb8c 100644 (file)
@@ -942,14 +942,21 @@ static int dwc2_xfercomp_isoc_split_in(struct dwc2_hsotg *hsotg,
        frame_desc = &qtd->urb->iso_descs[qtd->isoc_frame_index];
        len = dwc2_get_actual_xfer_length(hsotg, chan, chnum, qtd,
                                          DWC2_HC_XFER_COMPLETE, NULL);
-       if (!len) {
+       if (!len && !qtd->isoc_split_offset) {
                qtd->complete_split = 0;
-               qtd->isoc_split_offset = 0;
                return 0;
        }
 
        frame_desc->actual_length += len;
 
+       if (chan->align_buf) {
+               dev_vdbg(hsotg->dev, "non-aligned buffer\n");
+               dma_unmap_single(hsotg->dev, chan->qh->dw_align_buf_dma,
+                                DWC2_KMEM_UNALIGNED_BUF_SIZE, DMA_FROM_DEVICE);
+               memcpy(qtd->urb->buf + (chan->xfer_dma - qtd->urb->dma),
+                      chan->qh->dw_align_buf, len);
+       }
+
        qtd->isoc_split_offset += len;
 
        hctsiz = dwc2_readl(hsotg->regs + HCTSIZ(chnum));
index d7c3d6c776d86a8edf5c41832a7856cd6fca29eb..301ced1618f873203b534ffa77cf7ef59a773f84 100644 (file)
@@ -383,7 +383,7 @@ static unsigned long *dwc2_get_ls_map(struct dwc2_hsotg *hsotg,
        /* Get the map and adjust if this is a multi_tt hub */
        map = qh->dwc_tt->periodic_bitmaps;
        if (qh->dwc_tt->usb_tt->multi)
-               map += DWC2_ELEMENTS_PER_LS_BITMAP * qh->ttport;
+               map += DWC2_ELEMENTS_PER_LS_BITMAP * (qh->ttport - 1);
 
        return map;
 }
@@ -1696,6 +1696,9 @@ void dwc2_hcd_qh_free(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
 
        if (qh->desc_list)
                dwc2_hcd_qh_free_ddma(hsotg, qh);
+       else if (hsotg->unaligned_cache && qh->dw_align_buf)
+               kmem_cache_free(hsotg->unaligned_cache, qh->dw_align_buf);
+
        kfree(qh);
 }
 
index ea91310113b9abd2a233a17bcd973d7a1ed1e09e..103807587dc640a747d75339f703a3aea0e8e992 100644 (file)
@@ -1272,7 +1272,6 @@ static int dwc3_probe(struct platform_device *pdev)
        if (!dwc->clks)
                return -ENOMEM;
 
-       dwc->num_clks = ARRAY_SIZE(dwc3_core_clks);
        dwc->dev = dev;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -1307,15 +1306,19 @@ static int dwc3_probe(struct platform_device *pdev)
        if (IS_ERR(dwc->reset))
                return PTR_ERR(dwc->reset);
 
-       ret = clk_bulk_get(dev, dwc->num_clks, dwc->clks);
-       if (ret == -EPROBE_DEFER)
-               return ret;
-       /*
-        * Clocks are optional, but new DT platforms should support all clocks
-        * as required by the DT-binding.
-        */
-       if (ret)
-               dwc->num_clks = 0;
+       if (dev->of_node) {
+               dwc->num_clks = ARRAY_SIZE(dwc3_core_clks);
+
+               ret = clk_bulk_get(dev, dwc->num_clks, dwc->clks);
+               if (ret == -EPROBE_DEFER)
+                       return ret;
+               /*
+                * Clocks are optional, but new DT platforms should support all
+                * clocks as required by the DT-binding.
+                */
+               if (ret)
+                       dwc->num_clks = 0;
+       }
 
        ret = reset_control_deassert(dwc->reset);
        if (ret)
index 6b3ccd542bd76f6c40308a9df550ac2674673e45..dbeff5e6ad1461eea71a4cf9e562755cd50b1b17 100644 (file)
@@ -165,8 +165,9 @@ static int dwc3_of_simple_remove(struct platform_device *pdev)
 
        reset_control_put(simple->resets);
 
-       pm_runtime_put_sync(dev);
        pm_runtime_disable(dev);
+       pm_runtime_put_noidle(dev);
+       pm_runtime_set_suspended(dev);
 
        return 0;
 }
index c961a94d136b5248a5e242a6ab3370b22f3fa360..f57e7c94b8e5e0154ef430e3a0b3973d6ff84bd9 100644 (file)
@@ -34,6 +34,7 @@
 #define PCI_DEVICE_ID_INTEL_GLK                        0x31aa
 #define PCI_DEVICE_ID_INTEL_CNPLP              0x9dee
 #define PCI_DEVICE_ID_INTEL_CNPH               0xa36e
+#define PCI_DEVICE_ID_INTEL_ICLLP              0x34ee
 
 #define PCI_INTEL_BXT_DSM_GUID         "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511"
 #define PCI_INTEL_BXT_FUNC_PMU_PWR     4
@@ -289,6 +290,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GLK), },
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPLP), },
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPH), },
+       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICLLP), },
        { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
        {  }    /* Terminating Entry */
 };
index b0e67ab2f98cd09ba54eaabfdab1680e30783e63..a6d0203e40b6e048bfb736133321ef6c857c09ca 100644 (file)
@@ -490,6 +490,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
        qcom->dwc3 = of_find_device_by_node(dwc3_np);
        if (!qcom->dwc3) {
                dev_err(&pdev->dev, "failed to get dwc3 platform device\n");
+               ret = -ENODEV;
                goto depopulate;
        }
 
@@ -547,8 +548,7 @@ static int dwc3_qcom_remove(struct platform_device *pdev)
        return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int dwc3_qcom_pm_suspend(struct device *dev)
+static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev)
 {
        struct dwc3_qcom *qcom = dev_get_drvdata(dev);
        int ret = 0;
@@ -560,7 +560,7 @@ static int dwc3_qcom_pm_suspend(struct device *dev)
        return ret;
 }
 
-static int dwc3_qcom_pm_resume(struct device *dev)
+static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev)
 {
        struct dwc3_qcom *qcom = dev_get_drvdata(dev);
        int ret;
@@ -571,23 +571,20 @@ static int dwc3_qcom_pm_resume(struct device *dev)
 
        return ret;
 }
-#endif
 
-#ifdef CONFIG_PM
-static int dwc3_qcom_runtime_suspend(struct device *dev)
+static int __maybe_unused dwc3_qcom_runtime_suspend(struct device *dev)
 {
        struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
        return dwc3_qcom_suspend(qcom);
 }
 
-static int dwc3_qcom_runtime_resume(struct device *dev)
+static int __maybe_unused dwc3_qcom_runtime_resume(struct device *dev)
 {
        struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 
        return dwc3_qcom_resume(qcom);
 }
-#endif
 
 static const struct dev_pm_ops dwc3_qcom_dev_pm_ops = {
        SET_SYSTEM_SLEEP_PM_OPS(dwc3_qcom_pm_suspend, dwc3_qcom_pm_resume)
index f242c2bcea810c0dee04f067ceea0dc716912058..d2fa071c21b17a1c0c03fbcf1db416d311e82a12 100644 (file)
@@ -1719,6 +1719,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                 */
                if (w_value && !f->get_alt)
                        break;
+
+               spin_lock(&cdev->lock);
                value = f->set_alt(f, w_index, w_value);
                if (value == USB_GADGET_DELAYED_STATUS) {
                        DBG(cdev,
@@ -1728,6 +1730,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
                        DBG(cdev, "delayed_status count %d\n",
                                        cdev->delayed_status);
                }
+               spin_unlock(&cdev->lock);
                break;
        case USB_REQ_GET_INTERFACE:
                if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE))
index dce9d12c7981afb1733be479e9daa43977bd218a..33e2030503fa5b47cff5de52c43ac080b5507702 100644 (file)
@@ -215,6 +215,7 @@ struct ffs_io_data {
 
        struct mm_struct *mm;
        struct work_struct work;
+       struct work_struct cancellation_work;
 
        struct usb_ep *ep;
        struct usb_request *req;
@@ -1072,22 +1073,31 @@ ffs_epfile_open(struct inode *inode, struct file *file)
        return 0;
 }
 
+static void ffs_aio_cancel_worker(struct work_struct *work)
+{
+       struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,
+                                                  cancellation_work);
+
+       ENTER();
+
+       usb_ep_dequeue(io_data->ep, io_data->req);
+}
+
 static int ffs_aio_cancel(struct kiocb *kiocb)
 {
        struct ffs_io_data *io_data = kiocb->private;
-       struct ffs_epfile *epfile = kiocb->ki_filp->private_data;
+       struct ffs_data *ffs = io_data->ffs;
        int value;
 
        ENTER();
 
-       spin_lock_irq(&epfile->ffs->eps_lock);
-
-       if (likely(io_data && io_data->ep && io_data->req))
-               value = usb_ep_dequeue(io_data->ep, io_data->req);
-       else
+       if (likely(io_data && io_data->ep && io_data->req)) {
+               INIT_WORK(&io_data->cancellation_work, ffs_aio_cancel_worker);
+               queue_work(ffs->io_completion_wq, &io_data->cancellation_work);
+               value = -EINPROGRESS;
+       } else {
                value = -EINVAL;
-
-       spin_unlock_irq(&epfile->ffs->eps_lock);
+       }
 
        return value;
 }
index f0cdf89b850371e693db8fefc505efd90b72cd0d..83ba8a2eb6af9f95fe84a95e44904a20ada3c5ac 100644 (file)
@@ -2,6 +2,7 @@
 config USB_ASPEED_VHUB
        tristate "Aspeed vHub UDC driver"
        depends on ARCH_ASPEED || COMPILE_TEST
+       depends on USB_LIBCOMPOSITE
        help
          USB peripheral controller for the Aspeed AST2500 family
          SoCs supporting the "vHub" functionality and USB2.0
index 1fbfd89d0a0f00945abec540a75c58582a3d1943..387f124a83340b5f27eb9cfd2e4bb0323fcbd954 100644 (file)
@@ -508,16 +508,18 @@ static int xhci_do_dbc_start(struct xhci_hcd *xhci)
        return 0;
 }
 
-static void xhci_do_dbc_stop(struct xhci_hcd *xhci)
+static int xhci_do_dbc_stop(struct xhci_hcd *xhci)
 {
        struct xhci_dbc         *dbc = xhci->dbc;
 
        if (dbc->state == DS_DISABLED)
-               return;
+               return -1;
 
        writel(0, &dbc->regs->control);
        xhci_dbc_mem_cleanup(xhci);
        dbc->state = DS_DISABLED;
+
+       return 0;
 }
 
 static int xhci_dbc_start(struct xhci_hcd *xhci)
@@ -544,6 +546,7 @@ static int xhci_dbc_start(struct xhci_hcd *xhci)
 
 static void xhci_dbc_stop(struct xhci_hcd *xhci)
 {
+       int ret;
        unsigned long           flags;
        struct xhci_dbc         *dbc = xhci->dbc;
        struct dbc_port         *port = &dbc->port;
@@ -556,10 +559,11 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci)
                xhci_dbc_tty_unregister_device(xhci);
 
        spin_lock_irqsave(&dbc->lock, flags);
-       xhci_do_dbc_stop(xhci);
+       ret = xhci_do_dbc_stop(xhci);
        spin_unlock_irqrestore(&dbc->lock, flags);
 
-       pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
+       if (!ret)
+               pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
 }
 
 static void
index acbd3d7b8828693f79a51f19ad70fb1aa4ade050..ef350c33dc4a8615a0188af0cea13ae29a876532 100644 (file)
@@ -595,7 +595,7 @@ struct xhci_ring *xhci_stream_id_to_ring(
        if (!ep->stream_info)
                return NULL;
 
-       if (stream_id > ep->stream_info->num_streams)
+       if (stream_id >= ep->stream_info->num_streams)
                return NULL;
        return ep->stream_info->stream_rings[stream_id];
 }
@@ -886,12 +886,12 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id)
 
        dev = xhci->devs[slot_id];
 
-       trace_xhci_free_virt_device(dev);
-
        xhci->dcbaa->dev_context_ptrs[slot_id] = 0;
        if (!dev)
                return;
 
+       trace_xhci_free_virt_device(dev);
+
        if (dev->tt_info)
                old_active_eps = dev->tt_info->active_eps;
 
index a8c1d073cba05e3b070e73722d02b32eaf112e69..4b463e5202a421705be74610a136239dc3a9c423 100644 (file)
@@ -481,7 +481,7 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra,
        unsigned long mask;
        unsigned int port;
        bool idle, enable;
-       int err;
+       int err = 0;
 
        memset(&rsp, 0, sizeof(rsp));
 
@@ -1223,10 +1223,10 @@ disable_rpm:
        pm_runtime_disable(&pdev->dev);
        usb_put_hcd(tegra->hcd);
 disable_xusbc:
-       if (!&pdev->dev.pm_domain)
+       if (!pdev->dev.pm_domain)
                tegra_powergate_power_off(TEGRA_POWERGATE_XUSBC);
 disable_xusba:
-       if (!&pdev->dev.pm_domain)
+       if (!pdev->dev.pm_domain)
                tegra_powergate_power_off(TEGRA_POWERGATE_XUSBA);
 put_padctl:
        tegra_xusb_padctl_put(tegra->padctl);
index 410544ffe78f68fa73e7328e8e105028a9116008..88b427434bd82536c653a911bb393c4bdb87814b 100644 (file)
@@ -171,6 +171,37 @@ DEFINE_EVENT(xhci_log_trb, xhci_dbc_gadget_ep_queue,
        TP_ARGS(ring, trb)
 );
 
+DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
+       TP_PROTO(struct xhci_virt_device *vdev),
+       TP_ARGS(vdev),
+       TP_STRUCT__entry(
+               __field(void *, vdev)
+               __field(unsigned long long, out_ctx)
+               __field(unsigned long long, in_ctx)
+               __field(u8, fake_port)
+               __field(u8, real_port)
+               __field(u16, current_mel)
+
+       ),
+       TP_fast_assign(
+               __entry->vdev = vdev;
+               __entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
+               __entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
+               __entry->fake_port = (u8) vdev->fake_port;
+               __entry->real_port = (u8) vdev->real_port;
+               __entry->current_mel = (u16) vdev->current_mel;
+               ),
+       TP_printk("vdev %p ctx %llx | %llx fake_port %d real_port %d current_mel %d",
+               __entry->vdev, __entry->in_ctx, __entry->out_ctx,
+               __entry->fake_port, __entry->real_port, __entry->current_mel
+       )
+);
+
+DEFINE_EVENT(xhci_log_free_virt_dev, xhci_free_virt_device,
+       TP_PROTO(struct xhci_virt_device *vdev),
+       TP_ARGS(vdev)
+);
+
 DECLARE_EVENT_CLASS(xhci_log_virt_dev,
        TP_PROTO(struct xhci_virt_device *vdev),
        TP_ARGS(vdev),
@@ -208,11 +239,6 @@ DEFINE_EVENT(xhci_log_virt_dev, xhci_alloc_virt_device,
        TP_ARGS(vdev)
 );
 
-DEFINE_EVENT(xhci_log_virt_dev, xhci_free_virt_device,
-       TP_PROTO(struct xhci_virt_device *vdev),
-       TP_ARGS(vdev)
-);
-
 DEFINE_EVENT(xhci_log_virt_dev, xhci_setup_device,
        TP_PROTO(struct xhci_virt_device *vdev),
        TP_ARGS(vdev)
index 8c8da2d657fa1008c1e612e6f30d3e9716d534b6..2f4850f25e82f0f009b8f614b593fc74eb5247aa 100644 (file)
@@ -908,6 +908,41 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
        spin_unlock_irqrestore(&xhci->lock, flags);
 }
 
+static bool xhci_pending_portevent(struct xhci_hcd *xhci)
+{
+       struct xhci_port        **ports;
+       int                     port_index;
+       u32                     status;
+       u32                     portsc;
+
+       status = readl(&xhci->op_regs->status);
+       if (status & STS_EINT)
+               return true;
+       /*
+        * Checking STS_EINT is not enough as there is a lag between a change
+        * bit being set and the Port Status Change Event that it generated
+        * being written to the Event Ring. See note in xhci 1.1 section 4.19.2.
+        */
+
+       port_index = xhci->usb2_rhub.num_ports;
+       ports = xhci->usb2_rhub.ports;
+       while (port_index--) {
+               portsc = readl(ports[port_index]->addr);
+               if (portsc & PORT_CHANGE_MASK ||
+                   (portsc & PORT_PLS_MASK) == XDEV_RESUME)
+                       return true;
+       }
+       port_index = xhci->usb3_rhub.num_ports;
+       ports = xhci->usb3_rhub.ports;
+       while (port_index--) {
+               portsc = readl(ports[port_index]->addr);
+               if (portsc & PORT_CHANGE_MASK ||
+                   (portsc & PORT_PLS_MASK) == XDEV_RESUME)
+                       return true;
+       }
+       return false;
+}
+
 /*
  * Stop HC (not bus-specific)
  *
@@ -1009,7 +1044,7 @@ EXPORT_SYMBOL_GPL(xhci_suspend);
  */
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 {
-       u32                     command, temp = 0, status;
+       u32                     command, temp = 0;
        struct usb_hcd          *hcd = xhci_to_hcd(xhci);
        struct usb_hcd          *secondary_hcd;
        int                     retval = 0;
@@ -1043,8 +1078,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                command = readl(&xhci->op_regs->command);
                command |= CMD_CRS;
                writel(command, &xhci->op_regs->command);
+               /*
+                * Some controllers take up to 55+ ms to complete the controller
+                * restore so setting the timeout to 100ms. Xhci specification
+                * doesn't mention any timeout value.
+                */
                if (xhci_handshake(&xhci->op_regs->status,
-                             STS_RESTORE, 0, 10 * 1000)) {
+                             STS_RESTORE, 0, 100 * 1000)) {
                        xhci_warn(xhci, "WARN: xHC restore state timeout\n");
                        spin_unlock_irq(&xhci->lock);
                        return -ETIMEDOUT;
@@ -1134,8 +1174,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
  done:
        if (retval == 0) {
                /* Resume root hubs only when have pending events. */
-               status = readl(&xhci->op_regs->status);
-               if (status & STS_EINT) {
+               if (xhci_pending_portevent(xhci)) {
                        usb_hcd_resume_root_hub(xhci->shared_hcd);
                        usb_hcd_resume_root_hub(hcd);
                }
index 939e2f86b595eecbf1f1ecac7dcd7f39965d238d..841e89ffe2e9d88f6f81255340da58144916ca59 100644 (file)
@@ -382,6 +382,10 @@ struct xhci_op_regs {
 #define PORT_PLC       (1 << 22)
 /* port configure error change - port failed to configure its link partner */
 #define PORT_CEC       (1 << 23)
+#define PORT_CHANGE_MASK       (PORT_CSC | PORT_PEC | PORT_WRC | PORT_OCC | \
+                                PORT_RC | PORT_PLC | PORT_CEC)
+
+
 /* Cold Attach Status - xHC can set this bit to report device attached during
  * Sx state. Warm port reset should be perfomed to clear this bit and move port
  * to connected state.
index 8abb6cbbd98a17d6b6ff95d0ad88268832780b87..3be40eaa1ac9b2caf493a8fd21e8980982b5d9a1 100644 (file)
@@ -396,8 +396,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
                          loff_t *ppos)
 {
        struct usb_yurex *dev;
-       int retval = 0;
-       int bytes_read = 0;
+       int len = 0;
        char in_buffer[20];
        unsigned long flags;
 
@@ -405,26 +404,16 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
 
        mutex_lock(&dev->io_mutex);
        if (!dev->interface) {          /* already disconnected */
-               retval = -ENODEV;
-               goto exit;
+               mutex_unlock(&dev->io_mutex);
+               return -ENODEV;
        }
 
        spin_lock_irqsave(&dev->lock, flags);
-       bytes_read = snprintf(in_buffer, 20, "%lld\n", dev->bbu);
+       len = snprintf(in_buffer, 20, "%lld\n", dev->bbu);
        spin_unlock_irqrestore(&dev->lock, flags);
-
-       if (*ppos < bytes_read) {
-               if (copy_to_user(buffer, in_buffer + *ppos, bytes_read - *ppos))
-                       retval = -EFAULT;
-               else {
-                       retval = bytes_read - *ppos;
-                       *ppos += bytes_read;
-               }
-       }
-
-exit:
        mutex_unlock(&dev->io_mutex);
-       return retval;
+
+       return simple_read_from_buffer(buffer, count, ppos, in_buffer, len);
 }
 
 static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
index bdd7a5ad3bf1c0060bcef8a3a1dc640b4a45cbcc..3bb1fff02bedd0e076581baabeff440e4552e3ce 100644 (file)
@@ -128,7 +128,7 @@ static int ch341_control_in(struct usb_device *dev,
        r = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), request,
                            USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
                            value, index, buf, bufsize, DEFAULT_TIMEOUT);
-       if (r < bufsize) {
+       if (r < (int)bufsize) {
                if (r >= 0) {
                        dev_err(&dev->dev,
                                "short control message received (%d < %u)\n",
index eb6c26cbe5792b0e535c77b9e2e245b700071458..626a29d9aa58d7e13770f048ae8c705dcfab2fea 100644 (file)
@@ -95,6 +95,9 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x10C4, 0x8156) }, /* B&G H3000 link cable */
        { USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
        { USB_DEVICE(0x10C4, 0x815F) }, /* Timewave HamLinkUSB */
+       { USB_DEVICE(0x10C4, 0x817C) }, /* CESINEL MEDCAL N Power Quality Monitor */
+       { USB_DEVICE(0x10C4, 0x817D) }, /* CESINEL MEDCAL NT Power Quality Monitor */
+       { USB_DEVICE(0x10C4, 0x817E) }, /* CESINEL MEDCAL S Power Quality Monitor */
        { USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */
        { USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */
        { USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */
@@ -112,6 +115,9 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */
        { USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */
        { USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */
+       { USB_DEVICE(0x10C4, 0x82EF) }, /* CESINEL FALCO 6105 AC Power Supply */
+       { USB_DEVICE(0x10C4, 0x82F1) }, /* CESINEL MEDCAL EFD Earth Fault Detector */
+       { USB_DEVICE(0x10C4, 0x82F2) }, /* CESINEL MEDCAL ST Network Analyzer */
        { USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */
        { USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
        { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
@@ -124,7 +130,9 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x10C4, 0x8470) }, /* Juniper Networks BX Series System Console */
        { USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
        { USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */
+       { USB_DEVICE(0x10C4, 0x851E) }, /* CESINEL MEDCAL PT Network Analyzer */
        { USB_DEVICE(0x10C4, 0x85A7) }, /* LifeScan OneTouch Verio IQ */
+       { USB_DEVICE(0x10C4, 0x85B8) }, /* CESINEL ReCon T Energy Logger */
        { USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
        { USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
        { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
@@ -134,17 +142,24 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
        { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
        { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
+       { USB_DEVICE(0x10C4, 0x88FB) }, /* CESINEL MEDCAL STII Network Analyzer */
+       { USB_DEVICE(0x10C4, 0x8938) }, /* CESINEL MEDCAL S II Network Analyzer */
        { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
        { USB_DEVICE(0x10C4, 0x8962) }, /* Brim Brothers charging dock */
        { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
        { USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
+       { USB_DEVICE(0x10C4, 0x89A4) }, /* CESINEL FTBC Flexible Thyristor Bridge Controller */
+       { USB_DEVICE(0x10C4, 0x89FB) }, /* Qivicon ZigBee USB Radio Stick */
        { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
        { USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */
        { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */
        { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
        { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
+       { USB_DEVICE(0x10C4, 0xEA63) }, /* Silicon Labs Windows Update (CP2101-4/CP2102N) */
        { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
        { USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
+       { USB_DEVICE(0x10C4, 0xEA7A) }, /* Silicon Labs Windows Update (CP2105) */
+       { USB_DEVICE(0x10C4, 0xEA7B) }, /* Silicon Labs Windows Update (CP2108) */
        { USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */
        { USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
        { USB_DEVICE(0x10C4, 0xF003) }, /* Elan Digital Systems USBpulse100 */
index 5169624d8b11386ecb07d50234850ca99397150f..38d43c4b7ce547700e007f6f406d17f2c65d3ca4 100644 (file)
@@ -369,8 +369,10 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
                             3, /* get pins */
                             USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN,
                             0, 0, data, 1, 2000);
-       if (rc >= 0)
+       if (rc == 1)
                *value = *data;
+       else if (rc >= 0)
+               rc = -EIO;
 
        kfree(data);
        return rc;
index fdceb46d9fc61a0c5eea2f113abd494dc4cc693b..b580b4c7fa488bbf80f1b5628e4e46bb8e28807b 100644 (file)
@@ -468,6 +468,9 @@ static void mos7840_control_callback(struct urb *urb)
        }
 
        dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length);
+       if (urb->actual_length < 1)
+               goto out;
+
        dev_dbg(dev, "%s mos7840_port->MsrLsr is %d port %d\n", __func__,
                mos7840_port->MsrLsr, mos7840_port->port_num);
        data = urb->transfer_buffer;
index 8a201dd53d36b352b3d7fb68cf6486c08ddb96ff..150f43668bec1c8757115126ad9ffd20fe1255ed 100644 (file)
@@ -418,17 +418,18 @@ static void _tcpm_log(struct tcpm_port *port, const char *fmt, va_list args)
        u64 ts_nsec = local_clock();
        unsigned long rem_nsec;
 
+       mutex_lock(&port->logbuffer_lock);
        if (!port->logbuffer[port->logbuffer_head]) {
                port->logbuffer[port->logbuffer_head] =
                                kzalloc(LOG_BUFFER_ENTRY_SIZE, GFP_KERNEL);
-               if (!port->logbuffer[port->logbuffer_head])
+               if (!port->logbuffer[port->logbuffer_head]) {
+                       mutex_unlock(&port->logbuffer_lock);
                        return;
+               }
        }
 
        vsnprintf(tmpbuffer, sizeof(tmpbuffer), fmt, args);
 
-       mutex_lock(&port->logbuffer_lock);
-
        if (tcpm_log_full(port)) {
                port->logbuffer_head = max(port->logbuffer_head - 1, 0);
                strcpy(tmpbuffer, "overflow");
@@ -724,6 +725,9 @@ static int tcpm_set_current_limit(struct tcpm_port *port, u32 max_ma, u32 mv)
 
        tcpm_log(port, "Setting voltage/current limit %u mV %u mA", mv, max_ma);
 
+       port->supply_voltage = mv;
+       port->current_limit = max_ma;
+
        if (port->tcpc->set_current_limit)
                ret = port->tcpc->set_current_limit(port->tcpc, max_ma, mv);
 
@@ -2594,8 +2598,6 @@ static void tcpm_reset_port(struct tcpm_port *port)
        tcpm_set_attached_state(port, false);
        port->try_src_count = 0;
        port->try_snk_count = 0;
-       port->supply_voltage = 0;
-       port->current_limit = 0;
        port->usb_type = POWER_SUPPLY_USB_TYPE_C;
 
        power_supply_changed(port->psy);
@@ -3043,7 +3045,8 @@ static void run_state_machine(struct tcpm_port *port)
                    tcpm_port_is_sink(port) &&
                    time_is_after_jiffies(port->delayed_runtime)) {
                        tcpm_set_state(port, SNK_DISCOVERY,
-                                      port->delayed_runtime - jiffies);
+                                      jiffies_to_msecs(port->delayed_runtime -
+                                                       jiffies));
                        break;
                }
                tcpm_set_state(port, unattached_state(port), 0);
index bd5cca5632b395def6384ec233d8ba5926e81c93..8d0a6fe748bdc50ca99800c3d6ba5680a4e9f0bd 100644 (file)
@@ -350,6 +350,19 @@ static void ucsi_connector_change(struct work_struct *work)
        }
 
        if (con->status.change & UCSI_CONSTAT_CONNECT_CHANGE) {
+               typec_set_pwr_role(con->port, con->status.pwr_dir);
+
+               switch (con->status.partner_type) {
+               case UCSI_CONSTAT_PARTNER_TYPE_UFP:
+                       typec_set_data_role(con->port, TYPEC_HOST);
+                       break;
+               case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+                       typec_set_data_role(con->port, TYPEC_DEVICE);
+                       break;
+               default:
+                       break;
+               }
+
                if (con->status.connected)
                        ucsi_register_partner(con);
                else
index 44eb4e1ea817b2e38eab36cee60021368508a342..a18112a83faed2df09e49c0a5a93d2fce0823c5f 100644 (file)
@@ -79,6 +79,11 @@ static int ucsi_acpi_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
+       /* This will make sure we can use ioremap_nocache() */
+       status = acpi_release_memory(ACPI_HANDLE(&pdev->dev), res, 1);
+       if (ACPI_FAILURE(status))
+               return -ENOMEM;
+
        /*
         * NOTE: The memory region for the data structures is used also in an
         * operation region, which means ACPI has already reserved it. Therefore
index 24ee2605b9f043c9c1128d73bd44a4aa47322a37..42dc1d3d71cf05a7c91c5316ee832b62b15bf75e 100644 (file)
@@ -28,5 +28,13 @@ config VFIO_PCI_INTX
        def_bool y if !S390
 
 config VFIO_PCI_IGD
-       depends on VFIO_PCI
-       def_bool y if X86
+       bool "VFIO PCI extensions for Intel graphics (GVT-d)"
+       depends on VFIO_PCI && X86
+       default y
+       help
+         Support for Intel IGD specific extensions to enable direct
+         assignment to virtual machines.  This includes exposing an IGD
+         specific firmware table and read-only copies of the host bridge
+         and LPC bridge config space.
+
+         To enable Intel IGD assignment through vfio-pci, say Y.
index 2c75b33db4ac19768ea77415685b4fac700dc4d3..3e5b17710a4f1fa47eb4f1333c17c96e1eae2cdd 100644 (file)
@@ -343,18 +343,16 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
        struct page *page[1];
        struct vm_area_struct *vma;
        struct vm_area_struct *vmas[1];
+       unsigned int flags = 0;
        int ret;
 
+       if (prot & IOMMU_WRITE)
+               flags |= FOLL_WRITE;
+
+       down_read(&mm->mmap_sem);
        if (mm == current->mm) {
-               ret = get_user_pages_longterm(vaddr, 1, !!(prot & IOMMU_WRITE),
-                                             page, vmas);
+               ret = get_user_pages_longterm(vaddr, 1, flags, page, vmas);
        } else {
-               unsigned int flags = 0;
-
-               if (prot & IOMMU_WRITE)
-                       flags |= FOLL_WRITE;
-
-               down_read(&mm->mmap_sem);
                ret = get_user_pages_remote(NULL, mm, vaddr, 1, flags, page,
                                            vmas, NULL);
                /*
@@ -368,8 +366,8 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
                        ret = -EOPNOTSUPP;
                        put_page(page[0]);
                }
-               up_read(&mm->mmap_sem);
        }
+       up_read(&mm->mmap_sem);
 
        if (ret == 1) {
                *pfn = page_to_pfn(page[0]);
index 686dc670fd294b3077cf363241338ab871b26244..29756d88799b630f2c73ca097b56b092a14a7d5a 100644 (file)
@@ -1226,7 +1226,8 @@ err_used:
        if (ubufs)
                vhost_net_ubuf_put_wait_and_free(ubufs);
 err_ubufs:
-       sockfd_put(sock);
+       if (sock)
+               sockfd_put(sock);
 err_vq:
        mutex_unlock(&vq->mutex);
 err:
index e1d20124ec0e8698a1e8a5940537ff45f2e57d2c..210df9da1283744078a2c7fb6b5ae050ddf811de 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -5,7 +5,6 @@
  *     Implements an efficient asynchronous io interface.
  *
  *     Copyright 2000, 2001, 2002 Red Hat, Inc.  All Rights Reserved.
- *     Copyright 2018 Christoph Hellwig.
  *
  *     See ../COPYING for licensing terms.
  */
@@ -165,22 +164,10 @@ struct fsync_iocb {
        bool                    datasync;
 };
 
-struct poll_iocb {
-       struct file             *file;
-       __poll_t                events;
-       struct wait_queue_head  *head;
-
-       union {
-               struct wait_queue_entry wait;
-               struct work_struct      work;
-       };
-};
-
 struct aio_kiocb {
        union {
                struct kiocb            rw;
                struct fsync_iocb       fsync;
-               struct poll_iocb        poll;
        };
 
        struct kioctx           *ki_ctx;
@@ -1590,6 +1577,7 @@ static int aio_fsync(struct fsync_iocb *req, struct iocb *iocb, bool datasync)
        if (unlikely(iocb->aio_buf || iocb->aio_offset || iocb->aio_nbytes ||
                        iocb->aio_rw_flags))
                return -EINVAL;
+
        req->file = fget(iocb->aio_fildes);
        if (unlikely(!req->file))
                return -EBADF;
@@ -1604,137 +1592,6 @@ static int aio_fsync(struct fsync_iocb *req, struct iocb *iocb, bool datasync)
        return 0;
 }
 
-/* need to use list_del_init so we can check if item was present */
-static inline bool __aio_poll_remove(struct poll_iocb *req)
-{
-       if (list_empty(&req->wait.entry))
-               return false;
-       list_del_init(&req->wait.entry);
-       return true;
-}
-
-static inline void __aio_poll_complete(struct aio_kiocb *iocb, __poll_t mask)
-{
-       fput(iocb->poll.file);
-       aio_complete(iocb, mangle_poll(mask), 0);
-}
-
-static void aio_poll_work(struct work_struct *work)
-{
-       struct aio_kiocb *iocb = container_of(work, struct aio_kiocb, poll.work);
-
-       if (!list_empty_careful(&iocb->ki_list))
-               aio_remove_iocb(iocb);
-       __aio_poll_complete(iocb, iocb->poll.events);
-}
-
-static int aio_poll_cancel(struct kiocb *iocb)
-{
-       struct aio_kiocb *aiocb = container_of(iocb, struct aio_kiocb, rw);
-       struct poll_iocb *req = &aiocb->poll;
-       struct wait_queue_head *head = req->head;
-       bool found = false;
-
-       spin_lock(&head->lock);
-       found = __aio_poll_remove(req);
-       spin_unlock(&head->lock);
-
-       if (found) {
-               req->events = 0;
-               INIT_WORK(&req->work, aio_poll_work);
-               schedule_work(&req->work);
-       }
-       return 0;
-}
-
-static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
-               void *key)
-{
-       struct poll_iocb *req = container_of(wait, struct poll_iocb, wait);
-       struct aio_kiocb *iocb = container_of(req, struct aio_kiocb, poll);
-       struct file *file = req->file;
-       __poll_t mask = key_to_poll(key);
-
-       assert_spin_locked(&req->head->lock);
-
-       /* for instances that support it check for an event match first: */
-       if (mask && !(mask & req->events))
-               return 0;
-
-       mask = file->f_op->poll_mask(file, req->events) & req->events;
-       if (!mask)
-               return 0;
-
-       __aio_poll_remove(req);
-
-       /*
-        * Try completing without a context switch if we can acquire ctx_lock
-        * without spinning.  Otherwise we need to defer to a workqueue to
-        * avoid a deadlock due to the lock order.
-        */
-       if (spin_trylock(&iocb->ki_ctx->ctx_lock)) {
-               list_del_init(&iocb->ki_list);
-               spin_unlock(&iocb->ki_ctx->ctx_lock);
-
-               __aio_poll_complete(iocb, mask);
-       } else {
-               req->events = mask;
-               INIT_WORK(&req->work, aio_poll_work);
-               schedule_work(&req->work);
-       }
-
-       return 1;
-}
-
-static ssize_t aio_poll(struct aio_kiocb *aiocb, struct iocb *iocb)
-{
-       struct kioctx *ctx = aiocb->ki_ctx;
-       struct poll_iocb *req = &aiocb->poll;
-       __poll_t mask;
-
-       /* reject any unknown events outside the normal event mask. */
-       if ((u16)iocb->aio_buf != iocb->aio_buf)
-               return -EINVAL;
-       /* reject fields that are not defined for poll */
-       if (iocb->aio_offset || iocb->aio_nbytes || iocb->aio_rw_flags)
-               return -EINVAL;
-
-       req->events = demangle_poll(iocb->aio_buf) | EPOLLERR | EPOLLHUP;
-       req->file = fget(iocb->aio_fildes);
-       if (unlikely(!req->file))
-               return -EBADF;
-       if (!file_has_poll_mask(req->file))
-               goto out_fail;
-
-       req->head = req->file->f_op->get_poll_head(req->file, req->events);
-       if (!req->head)
-               goto out_fail;
-       if (IS_ERR(req->head)) {
-               mask = EPOLLERR;
-               goto done;
-       }
-
-       init_waitqueue_func_entry(&req->wait, aio_poll_wake);
-       aiocb->ki_cancel = aio_poll_cancel;
-
-       spin_lock_irq(&ctx->ctx_lock);
-       spin_lock(&req->head->lock);
-       mask = req->file->f_op->poll_mask(req->file, req->events) & req->events;
-       if (!mask) {
-               __add_wait_queue(req->head, &req->wait);
-               list_add_tail(&aiocb->ki_list, &ctx->active_reqs);
-       }
-       spin_unlock(&req->head->lock);
-       spin_unlock_irq(&ctx->ctx_lock);
-done:
-       if (mask)
-               __aio_poll_complete(aiocb, mask);
-       return 0;
-out_fail:
-       fput(req->file);
-       return -EINVAL; /* same as no support for IOCB_CMD_POLL */
-}
-
 static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
                         bool compat)
 {
@@ -1808,9 +1665,6 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
        case IOCB_CMD_FDSYNC:
                ret = aio_fsync(&req->fsync, &iocb, true);
                break;
-       case IOCB_CMD_POLL:
-               ret = aio_poll(req, &iocb);
-               break;
        default:
                pr_debug("invalid aio operation %d\n", iocb.aio_lio_opcode);
                ret = -EINVAL;
index 43fedde15c26203548c08c866aa7fbf5cfc27dd0..1f85d35ec8b7b7f6a3866962bce468e3ae7d56f6 100644 (file)
@@ -2,6 +2,6 @@
 # Makefile for the linux autofs-filesystem routines.
 #
 
-obj-$(CONFIG_AUTOFS_FS) += autofs.o
+obj-$(CONFIG_AUTOFS_FS) += autofs4.o
 
-autofs-objs := init.o inode.o root.o symlink.o waitq.o expire.o dev-ioctl.o
+autofs4-objs := init.o inode.o root.o symlink.o waitq.o expire.o dev-ioctl.o
index cc9447e1903f7a16d023067c0098c4123e764351..79ae07d9592f55cc06a10086cf45453250637d30 100644 (file)
@@ -23,7 +23,7 @@ static struct file_system_type autofs_fs_type = {
        .kill_sb        = autofs_kill_sb,
 };
 MODULE_ALIAS_FS("autofs");
-MODULE_ALIAS("autofs4");
+MODULE_ALIAS("autofs");
 
 static int __init init_autofs_fs(void)
 {
index cce6087d6880fa4c1673dbc8aab0026fc62391f4..e55843f536bcaa03b6b2aa8e1c3ffb67b946df88 100644 (file)
@@ -4542,8 +4542,11 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
                        offset_in_extent = em_start - em->start;
                em_end = extent_map_end(em);
                em_len = em_end - em_start;
-               disko = em->block_start + offset_in_extent;
                flags = 0;
+               if (em->block_start < EXTENT_MAP_LAST_BYTE)
+                       disko = em->block_start + offset_in_extent;
+               else
+                       disko = 0;
 
                /*
                 * bump off for our next call to get_extent
index e9482f0db9d08ffd79a117f0d6f08b6eb94cae99..eba61bcb9bb3cdd9759837b539c257aaaed1edef 100644 (file)
@@ -9005,13 +9005,14 @@ again:
 
        unlock_extent_cached(io_tree, page_start, page_end, &cached_state);
 
-out_unlock:
        if (!ret2) {
                btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, true);
                sb_end_pagefault(inode->i_sb);
                extent_changeset_free(data_reserved);
                return VM_FAULT_LOCKED;
        }
+
+out_unlock:
        unlock_page(page);
 out:
        btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, (ret != 0));
@@ -9443,6 +9444,7 @@ static int btrfs_rename_exchange(struct inode *old_dir,
        u64 new_idx = 0;
        u64 root_objectid;
        int ret;
+       int ret2;
        bool root_log_pinned = false;
        bool dest_log_pinned = false;
 
@@ -9639,7 +9641,8 @@ out_fail:
                        dest_log_pinned = false;
                }
        }
-       ret = btrfs_end_transaction(trans);
+       ret2 = btrfs_end_transaction(trans);
+       ret = ret ? ret : ret2;
 out_notrans:
        if (new_ino == BTRFS_FIRST_FREE_OBJECTID)
                up_read(&fs_info->subvol_sem);
index c2837a32d689de9a7d5d3bfc96d7d861cd221dfb..43ecbe620deaca973a1cc513d8cb67717f6b4c16 100644 (file)
@@ -3577,7 +3577,7 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
                ret = btrfs_extent_same_range(src, loff, BTRFS_MAX_DEDUPE_LEN,
                                              dst, dst_loff, &cmp);
                if (ret)
-                       goto out_unlock;
+                       goto out_free;
 
                loff += BTRFS_MAX_DEDUPE_LEN;
                dst_loff += BTRFS_MAX_DEDUPE_LEN;
@@ -3587,16 +3587,16 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
                ret = btrfs_extent_same_range(src, loff, tail_len, dst,
                                              dst_loff, &cmp);
 
+out_free:
+       kvfree(cmp.src_pages);
+       kvfree(cmp.dst_pages);
+
 out_unlock:
        if (same_inode)
                inode_unlock(src);
        else
                btrfs_double_inode_unlock(src, dst);
 
-out_free:
-       kvfree(cmp.src_pages);
-       kvfree(cmp.dst_pages);
-
        return ret;
 }
 
index 1874a6d2e6f5422c809759d0ca29e9bb973826bb..c25dc47210a397560e929f55fc3feea8f26798dd 100644 (file)
@@ -2680,8 +2680,10 @@ out:
                free_extent_buffer(scratch_leaf);
        }
 
-       if (done && !ret)
+       if (done && !ret) {
                ret = 1;
+               fs_info->qgroup_rescan_progress.objectid = (u64)-1;
+       }
        return ret;
 }
 
@@ -2784,13 +2786,20 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid,
 
        if (!init_flags) {
                /* we're resuming qgroup rescan at mount time */
-               if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN))
+               if (!(fs_info->qgroup_flags &
+                     BTRFS_QGROUP_STATUS_FLAG_RESCAN)) {
                        btrfs_warn(fs_info,
                        "qgroup rescan init failed, qgroup is not enabled");
-               else if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON))
+                       ret = -EINVAL;
+               } else if (!(fs_info->qgroup_flags &
+                            BTRFS_QGROUP_STATUS_FLAG_ON)) {
                        btrfs_warn(fs_info,
                        "qgroup rescan init failed, qgroup rescan is not queued");
-               return -EINVAL;
+                       ret = -EINVAL;
+               }
+
+               if (ret)
+                       return ret;
        }
 
        mutex_lock(&fs_info->qgroup_rescan_lock);
index ee764ac352ab7b855165b797c1daf579fbaa45e1..a866be999216a81bcfa90dfcb17cc11177442731 100644 (file)
@@ -1135,6 +1135,7 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in)
        if (IS_ERR(realdn)) {
                pr_err("splice_dentry error %ld %p inode %p ino %llx.%llx\n",
                       PTR_ERR(realdn), dn, in, ceph_vinop(in));
+               dput(dn);
                dn = realdn; /* note realdn contains the error */
                goto out;
        } else if (realdn) {
index bd78da59a4fdcd7e84ff9b57e01753ec64ca746d..c923c785402757c36d25528c5e77e53909b227dc 100644 (file)
@@ -423,7 +423,7 @@ struct smb_version_operations {
        void (*set_oplock_level)(struct cifsInodeInfo *, __u32, unsigned int,
                                 bool *);
        /* create lease context buffer for CREATE request */
-       char * (*create_lease_buf)(u8 *, u8);
+       char * (*create_lease_buf)(u8 *lease_key, u8 oplock);
        /* parse lease context buffer and return oplock/epoch info */
        __u8 (*parse_lease_buf)(void *buf, unsigned int *epoch, char *lkey);
        ssize_t (*copychunk_range)(const unsigned int,
@@ -1416,6 +1416,7 @@ typedef int (mid_handle_t)(struct TCP_Server_Info *server,
 /* one of these for every pending CIFS request to the server */
 struct mid_q_entry {
        struct list_head qhead; /* mids waiting on reply from this server */
+       struct kref refcount;
        struct TCP_Server_Info *server; /* server corresponding to this mid */
        __u64 mid;              /* multiplex id */
        __u32 pid;              /* process id */
index 03018be1728333905ad0ae4eb6dde79aea5102fc..1890f534c88b168b8476a64fd165cce64f905887 100644 (file)
@@ -82,6 +82,7 @@ extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
                                        struct TCP_Server_Info *server);
 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
 extern void cifs_delete_mid(struct mid_q_entry *mid);
+extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);
 extern void cifs_wake_up_task(struct mid_q_entry *mid);
 extern int cifs_handle_standard(struct TCP_Server_Info *server,
                                struct mid_q_entry *mid);
index d352da325de34d3c11b6dbb8c6579f6e4f0a216f..93408eab92e78988bcf79b715ac77049db643e7f 100644 (file)
@@ -157,8 +157,14 @@ cifs_reconnect_tcon(struct cifs_tcon *tcon, int smb_command)
         * greater than cifs socket timeout which is 7 seconds
         */
        while (server->tcpStatus == CifsNeedReconnect) {
-               wait_event_interruptible_timeout(server->response_q,
-                       (server->tcpStatus != CifsNeedReconnect), 10 * HZ);
+               rc = wait_event_interruptible_timeout(server->response_q,
+                                                     (server->tcpStatus != CifsNeedReconnect),
+                                                     10 * HZ);
+               if (rc < 0) {
+                       cifs_dbg(FYI, "%s: aborting reconnect due to a received"
+                                " signal by the process\n", __func__);
+                       return -ERESTARTSYS;
+               }
 
                /* are we still trying to reconnect? */
                if (server->tcpStatus != CifsNeedReconnect)
index a57da1b88bdf5b5342b326ea06eb8686b2882cbe..5df2c0698cda7a5ae093db0e3886b275bc0565cb 100644 (file)
@@ -924,6 +924,7 @@ next_pdu:
                                server->pdu_size = next_offset;
                }
 
+               mid_entry = NULL;
                if (server->ops->is_transform_hdr &&
                    server->ops->receive_transform &&
                    server->ops->is_transform_hdr(buf)) {
@@ -938,8 +939,11 @@ next_pdu:
                                length = mid_entry->receive(server, mid_entry);
                }
 
-               if (length < 0)
+               if (length < 0) {
+                       if (mid_entry)
+                               cifs_mid_q_entry_release(mid_entry);
                        continue;
+               }
 
                if (server->large_buf)
                        buf = server->bigbuf;
@@ -956,6 +960,8 @@ next_pdu:
 
                        if (!mid_entry->multiRsp || mid_entry->multiEnd)
                                mid_entry->callback(mid_entry);
+
+                       cifs_mid_q_entry_release(mid_entry);
                } else if (server->ops->is_oplock_break &&
                           server->ops->is_oplock_break(buf, server)) {
                        cifs_dbg(FYI, "Received oplock break\n");
index aff8ce8ba34d55485d1d15aa8b7ea498cf6726f3..646dcd149de1e368baebac10a940a70a095ef479 100644 (file)
@@ -107,6 +107,7 @@ cifs_find_mid(struct TCP_Server_Info *server, char *buffer)
                if (compare_mid(mid->mid, buf) &&
                    mid->mid_state == MID_REQUEST_SUBMITTED &&
                    le16_to_cpu(mid->command) == buf->Command) {
+                       kref_get(&mid->refcount);
                        spin_unlock(&GlobalMid_Lock);
                        return mid;
                }
index 788412675723e85589f78cc6056f2d67edbd5ff1..4ed10dd086e6f31f2816462c8a082ec8939175ae 100644 (file)
@@ -41,7 +41,7 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
        int rc;
        __le16 *smb2_path;
        struct smb2_file_all_info *smb2_data = NULL;
-       __u8 smb2_oplock[17];
+       __u8 smb2_oplock;
        struct cifs_fid *fid = oparms->fid;
        struct network_resiliency_req nr_ioctl_req;
 
@@ -59,12 +59,9 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
        }
 
        oparms->desired_access |= FILE_READ_ATTRIBUTES;
-       *smb2_oplock = SMB2_OPLOCK_LEVEL_BATCH;
+       smb2_oplock = SMB2_OPLOCK_LEVEL_BATCH;
 
-       if (oparms->tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
-               memcpy(smb2_oplock + 1, fid->lease_key, SMB2_LEASE_KEY_SIZE);
-
-       rc = SMB2_open(xid, oparms, smb2_path, smb2_oplock, smb2_data, NULL,
+       rc = SMB2_open(xid, oparms, smb2_path, &smb2_oplock, smb2_data, NULL,
                       NULL);
        if (rc)
                goto out;
@@ -101,7 +98,7 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
                move_smb2_info_to_cifs(buf, smb2_data);
        }
 
-       *oplock = *smb2_oplock;
+       *oplock = smb2_oplock;
 out:
        kfree(smb2_data);
        kfree(smb2_path);
index 0356b5559c711ffa20d2710425b823106b0a0dc5..ea92a38b2f08c34f2afd942d5fa933098f04cc07 100644 (file)
@@ -203,6 +203,7 @@ smb2_find_mid(struct TCP_Server_Info *server, char *buf)
                if ((mid->mid == wire_mid) &&
                    (mid->mid_state == MID_REQUEST_SUBMITTED) &&
                    (mid->command == shdr->Command)) {
+                       kref_get(&mid->refcount);
                        spin_unlock(&GlobalMid_Lock);
                        return mid;
                }
@@ -855,6 +856,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 
        rc = SMB2_set_ea(xid, tcon, fid.persistent_fid, fid.volatile_fid, ea,
                         len);
+       kfree(ea);
+
        SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
 
        return rc;
@@ -2219,8 +2222,7 @@ smb2_create_lease_buf(u8 *lease_key, u8 oplock)
        if (!buf)
                return NULL;
 
-       buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key));
-       buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8)));
+       memcpy(&buf->lcontext.LeaseKey, lease_key, SMB2_LEASE_KEY_SIZE);
        buf->lcontext.LeaseState = map_oplock_to_lease(oplock);
 
        buf->ccontext.DataOffset = cpu_to_le16(offsetof
@@ -2246,8 +2248,7 @@ smb3_create_lease_buf(u8 *lease_key, u8 oplock)
        if (!buf)
                return NULL;
 
-       buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key));
-       buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8)));
+       memcpy(&buf->lcontext.LeaseKey, lease_key, SMB2_LEASE_KEY_SIZE);
        buf->lcontext.LeaseState = map_oplock_to_lease(oplock);
 
        buf->ccontext.DataOffset = cpu_to_le16(offsetof
@@ -2284,8 +2285,7 @@ smb3_parse_lease_buf(void *buf, unsigned int *epoch, char *lease_key)
        if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS)
                return SMB2_OPLOCK_LEVEL_NOCHANGE;
        if (lease_key)
-               memcpy(lease_key, &lc->lcontext.LeaseKeyLow,
-                      SMB2_LEASE_KEY_SIZE);
+               memcpy(lease_key, &lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE);
        return le32_to_cpu(lc->lcontext.LeaseState);
 }
 
@@ -2521,7 +2521,7 @@ smb3_init_transform_rq(struct TCP_Server_Info *server, struct smb_rqst *new_rq,
        if (!tr_hdr)
                goto err_free_iov;
 
-       orig_len = smb2_rqst_len(old_rq, false);
+       orig_len = smb_rqst_len(server, old_rq);
 
        /* fill the 2nd iov with a transform header */
        fill_transform_hdr(tr_hdr, orig_len, old_rq);
index 810b85787c9133909ef3731010b2bce604963b37..3c92678cb45bc8fab4ce27cfcbadaef43586a3e9 100644 (file)
@@ -155,7 +155,7 @@ out:
 static int
 smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
 {
-       int rc = 0;
+       int rc;
        struct nls_table *nls_codepage;
        struct cifs_ses *ses;
        struct TCP_Server_Info *server;
@@ -166,10 +166,10 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
         * for those three - in the calling routine.
         */
        if (tcon == NULL)
-               return rc;
+               return 0;
 
        if (smb2_command == SMB2_TREE_CONNECT)
-               return rc;
+               return 0;
 
        if (tcon->tidStatus == CifsExiting) {
                /*
@@ -212,8 +212,14 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
                        return -EAGAIN;
                }
 
-               wait_event_interruptible_timeout(server->response_q,
-                       (server->tcpStatus != CifsNeedReconnect), 10 * HZ);
+               rc = wait_event_interruptible_timeout(server->response_q,
+                                                     (server->tcpStatus != CifsNeedReconnect),
+                                                     10 * HZ);
+               if (rc < 0) {
+                       cifs_dbg(FYI, "%s: aborting reconnect due to a received"
+                                " signal by the process\n", __func__);
+                       return -ERESTARTSYS;
+               }
 
                /* are we still trying to reconnect? */
                if (server->tcpStatus != CifsNeedReconnect)
@@ -231,7 +237,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
        }
 
        if (!tcon->ses->need_reconnect && !tcon->need_reconnect)
-               return rc;
+               return 0;
 
        nls_codepage = load_nls_default();
 
@@ -340,7 +346,10 @@ smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon,
                return rc;
 
        /* BB eventually switch this to SMB2 specific small buf size */
-       *request_buf = cifs_small_buf_get();
+       if (smb2_command == SMB2_SET_INFO)
+               *request_buf = cifs_buf_get();
+       else
+               *request_buf = cifs_small_buf_get();
        if (*request_buf == NULL) {
                /* BB should we add a retry in here if not a writepage? */
                return -ENOMEM;
@@ -1707,12 +1716,12 @@ parse_lease_state(struct TCP_Server_Info *server, struct smb2_create_rsp *rsp,
 
 static int
 add_lease_context(struct TCP_Server_Info *server, struct kvec *iov,
-                 unsigned int *num_iovec, __u8 *oplock)
+                 unsigned int *num_iovec, u8 *lease_key, __u8 *oplock)
 {
        struct smb2_create_req *req = iov[0].iov_base;
        unsigned int num = *num_iovec;
 
-       iov[num].iov_base = server->ops->create_lease_buf(oplock+1, *oplock);
+       iov[num].iov_base = server->ops->create_lease_buf(lease_key, *oplock);
        if (iov[num].iov_base == NULL)
                return -ENOMEM;
        iov[num].iov_len = server->vals->create_lease_size;
@@ -2172,7 +2181,8 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
            *oplock == SMB2_OPLOCK_LEVEL_NONE)
                req->RequestedOplockLevel = *oplock;
        else {
-               rc = add_lease_context(server, iov, &n_iov, oplock);
+               rc = add_lease_context(server, iov, &n_iov,
+                                      oparms->fid->lease_key, oplock);
                if (rc) {
                        cifs_small_buf_release(req);
                        kfree(copy_path);
@@ -3720,7 +3730,7 @@ send_set_info(const unsigned int xid, struct cifs_tcon *tcon,
 
        rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags,
                            &rsp_iov);
-       cifs_small_buf_release(req);
+       cifs_buf_release(req);
        rsp = (struct smb2_set_info_rsp *)rsp_iov.iov_base;
 
        if (rc != 0) {
index 824dddeee3f2dc8723d6ce9ac792e9de71358796..a671adcc44a6c8c6d460585c9b2c8d6b546fc015 100644 (file)
@@ -678,16 +678,14 @@ struct create_context {
 #define SMB2_LEASE_KEY_SIZE 16
 
 struct lease_context {
-       __le64 LeaseKeyLow;
-       __le64 LeaseKeyHigh;
+       u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
        __le32 LeaseState;
        __le32 LeaseFlags;
        __le64 LeaseDuration;
 } __packed;
 
 struct lease_context_v2 {
-       __le64 LeaseKeyLow;
-       __le64 LeaseKeyHigh;
+       u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
        __le32 LeaseState;
        __le32 LeaseFlags;
        __le64 LeaseDuration;
index 3ae208ac2a770d2177036d60e86d0104a4de022a..6e6a4f2ec890dc0f0ae02b53c9326ae379b02bf7 100644 (file)
@@ -113,8 +113,8 @@ extern int smb2_unlock_range(struct cifsFileInfo *cfile,
 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
 extern void smb2_reconnect_server(struct work_struct *work);
 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
-extern unsigned long
-smb2_rqst_len(struct smb_rqst *rqst, bool skip_rfc1002_marker);
+extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
+                                 struct smb_rqst *rqst);
 
 /*
  * SMB2 Worker functions - most of protocol specific implementation details
index 51b9437c3c7b7cf60987170f7e46ac23d9ae98ac..719d55e63d88fe9efc307d16813ffe3f7b9d6762 100644 (file)
@@ -173,6 +173,8 @@ smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
        struct kvec *iov = rqst->rq_iov;
        struct smb2_sync_hdr *shdr = (struct smb2_sync_hdr *)iov[0].iov_base;
        struct cifs_ses *ses;
+       struct shash_desc *shash = &server->secmech.sdeschmacsha256->shash;
+       struct smb_rqst drqst;
 
        ses = smb2_find_smb_ses(server, shdr->SessionId);
        if (!ses) {
@@ -190,21 +192,39 @@ smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
        }
 
        rc = crypto_shash_setkey(server->secmech.hmacsha256,
-               ses->auth_key.response, SMB2_NTLMV2_SESSKEY_SIZE);
+                                ses->auth_key.response, SMB2_NTLMV2_SESSKEY_SIZE);
        if (rc) {
                cifs_dbg(VFS, "%s: Could not update with response\n", __func__);
                return rc;
        }
 
-       rc = crypto_shash_init(&server->secmech.sdeschmacsha256->shash);
+       rc = crypto_shash_init(shash);
        if (rc) {
                cifs_dbg(VFS, "%s: Could not init sha256", __func__);
                return rc;
        }
 
-       rc = __cifs_calc_signature(rqst, server, sigptr,
-               &server->secmech.sdeschmacsha256->shash);
+       /*
+        * For SMB2+, __cifs_calc_signature() expects to sign only the actual
+        * data, that is, iov[0] should not contain a rfc1002 length.
+        *
+        * Sign the rfc1002 length prior to passing the data (iov[1-N]) down to
+        * __cifs_calc_signature().
+        */
+       drqst = *rqst;
+       if (drqst.rq_nvec >= 2 && iov[0].iov_len == 4) {
+               rc = crypto_shash_update(shash, iov[0].iov_base,
+                                        iov[0].iov_len);
+               if (rc) {
+                       cifs_dbg(VFS, "%s: Could not update with payload\n",
+                                __func__);
+                       return rc;
+               }
+               drqst.rq_iov++;
+               drqst.rq_nvec--;
+       }
 
+       rc = __cifs_calc_signature(&drqst, server, sigptr, shash);
        if (!rc)
                memcpy(shdr->Signature, sigptr, SMB2_SIGNATURE_SIZE);
 
@@ -408,12 +428,14 @@ generate_smb311signingkey(struct cifs_ses *ses)
 int
 smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
 {
-       int rc = 0;
+       int rc;
        unsigned char smb3_signature[SMB2_CMACAES_SIZE];
        unsigned char *sigptr = smb3_signature;
        struct kvec *iov = rqst->rq_iov;
        struct smb2_sync_hdr *shdr = (struct smb2_sync_hdr *)iov[0].iov_base;
        struct cifs_ses *ses;
+       struct shash_desc *shash = &server->secmech.sdesccmacaes->shash;
+       struct smb_rqst drqst;
 
        ses = smb2_find_smb_ses(server, shdr->SessionId);
        if (!ses) {
@@ -425,8 +447,7 @@ smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
        memset(shdr->Signature, 0x0, SMB2_SIGNATURE_SIZE);
 
        rc = crypto_shash_setkey(server->secmech.cmacaes,
-               ses->smb3signingkey, SMB2_CMACAES_SIZE);
-
+                                ses->smb3signingkey, SMB2_CMACAES_SIZE);
        if (rc) {
                cifs_dbg(VFS, "%s: Could not set key for cmac aes\n", __func__);
                return rc;
@@ -437,15 +458,33 @@ smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
         * so unlike smb2 case we do not have to check here if secmech are
         * initialized
         */
-       rc = crypto_shash_init(&server->secmech.sdesccmacaes->shash);
+       rc = crypto_shash_init(shash);
        if (rc) {
                cifs_dbg(VFS, "%s: Could not init cmac aes\n", __func__);
                return rc;
        }
 
-       rc = __cifs_calc_signature(rqst, server, sigptr,
-                                  &server->secmech.sdesccmacaes->shash);
+       /*
+        * For SMB2+, __cifs_calc_signature() expects to sign only the actual
+        * data, that is, iov[0] should not contain a rfc1002 length.
+        *
+        * Sign the rfc1002 length prior to passing the data (iov[1-N]) down to
+        * __cifs_calc_signature().
+        */
+       drqst = *rqst;
+       if (drqst.rq_nvec >= 2 && iov[0].iov_len == 4) {
+               rc = crypto_shash_update(shash, iov[0].iov_base,
+                                        iov[0].iov_len);
+               if (rc) {
+                       cifs_dbg(VFS, "%s: Could not update with payload\n",
+                                __func__);
+                       return rc;
+               }
+               drqst.rq_iov++;
+               drqst.rq_nvec--;
+       }
 
+       rc = __cifs_calc_signature(&drqst, server, sigptr, shash);
        if (!rc)
                memcpy(shdr->Signature, sigptr, SMB2_SIGNATURE_SIZE);
 
@@ -548,6 +587,7 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
 
        temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
        memset(temp, 0, sizeof(struct mid_q_entry));
+       kref_init(&temp->refcount);
        temp->mid = le64_to_cpu(shdr->MessageId);
        temp->pid = current->pid;
        temp->command = shdr->Command; /* Always LE */
index 6fd94d9ffac21ad6d8c4fbc436d2b8afa063aede..c55ea4e6201bbf08041968e483ae26d0183a5f3a 100644 (file)
@@ -2083,8 +2083,9 @@ int smbd_recv(struct smbd_connection *info, struct msghdr *msg)
  * rqst: the data to write
  * return value: 0 if successfully write, otherwise error code
  */
-int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst)
+int smbd_send(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 {
+       struct smbd_connection *info = server->smbd_conn;
        struct kvec vec;
        int nvecs;
        int size;
@@ -2118,7 +2119,7 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst)
         * rq_tailsz to PAGE_SIZE when the buffer has multiple pages and
         * ends at page boundary
         */
-       buflen = smb2_rqst_len(rqst, true);
+       buflen = smb_rqst_len(server, rqst);
 
        if (buflen + sizeof(struct smbd_data_transfer) >
                info->max_fragmented_send_size) {
index 1e419c21dc60527c753747bee44625cafdc7ca3d..a11096254f2965d02478132af55e9ccf6613c578 100644 (file)
@@ -292,7 +292,7 @@ void smbd_destroy(struct smbd_connection *info);
 
 /* Interface for carrying upper layer I/O through send/recv */
 int smbd_recv(struct smbd_connection *info, struct msghdr *msg);
-int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst);
+int smbd_send(struct TCP_Server_Info *server, struct smb_rqst *rqst);
 
 enum mr_state {
        MR_READY,
@@ -332,7 +332,7 @@ static inline void *smbd_get_connection(
 static inline int smbd_reconnect(struct TCP_Server_Info *server) {return -1; }
 static inline void smbd_destroy(struct smbd_connection *info) {}
 static inline int smbd_recv(struct smbd_connection *info, struct msghdr *msg) {return -1; }
-static inline int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst) {return -1; }
+static inline int smbd_send(struct TCP_Server_Info *server, struct smb_rqst *rqst) {return -1; }
 #endif
 
 #endif
index fb57dfbfb749973c1c72423a93d76442c0a07fad..a341ec839c83de8ba9b9a10bb31f3b7ce8d45e8f 100644 (file)
@@ -61,6 +61,7 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server)
 
        temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
        memset(temp, 0, sizeof(struct mid_q_entry));
+       kref_init(&temp->refcount);
        temp->mid = get_mid(smb_buffer);
        temp->pid = current->pid;
        temp->command = cpu_to_le16(smb_buffer->Command);
@@ -82,6 +83,21 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server)
        return temp;
 }
 
+static void _cifs_mid_q_entry_release(struct kref *refcount)
+{
+       struct mid_q_entry *mid = container_of(refcount, struct mid_q_entry,
+                                              refcount);
+
+       mempool_free(mid, cifs_mid_poolp);
+}
+
+void cifs_mid_q_entry_release(struct mid_q_entry *midEntry)
+{
+       spin_lock(&GlobalMid_Lock);
+       kref_put(&midEntry->refcount, _cifs_mid_q_entry_release);
+       spin_unlock(&GlobalMid_Lock);
+}
+
 void
 DeleteMidQEntry(struct mid_q_entry *midEntry)
 {
@@ -110,7 +126,7 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
                }
        }
 #endif
-       mempool_free(midEntry, cifs_mid_poolp);
+       cifs_mid_q_entry_release(midEntry);
 }
 
 void
@@ -202,14 +218,15 @@ smb_send_kvec(struct TCP_Server_Info *server, struct msghdr *smb_msg,
 }
 
 unsigned long
-smb2_rqst_len(struct smb_rqst *rqst, bool skip_rfc1002_marker)
+smb_rqst_len(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 {
        unsigned int i;
        struct kvec *iov;
        int nvec;
        unsigned long buflen = 0;
 
-       if (skip_rfc1002_marker && rqst->rq_iov[0].iov_len == 4) {
+       if (server->vals->header_preamble_size == 0 &&
+           rqst->rq_nvec >= 2 && rqst->rq_iov[0].iov_len == 4) {
                iov = &rqst->rq_iov[1];
                nvec = rqst->rq_nvec - 1;
        } else {
@@ -260,7 +277,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
        __be32 rfc1002_marker;
 
        if (cifs_rdma_enabled(server) && server->smbd_conn) {
-               rc = smbd_send(server->smbd_conn, rqst);
+               rc = smbd_send(server, rqst);
                goto smbd_done;
        }
        if (ssocket == NULL)
@@ -271,7 +288,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
                                (char *)&val, sizeof(val));
 
        for (j = 0; j < num_rqst; j++)
-               send_length += smb2_rqst_len(&rqst[j], true);
+               send_length += smb_rqst_len(server, &rqst[j]);
        rfc1002_marker = cpu_to_be32(send_length);
 
        /* Generate a rfc1002 marker for SMB2+ */
index ceb1031f1cac948e74a970f02058cfeb52d7a351..08d3bd602f73d8f219ee1f259c0cbaa839245c56 100644 (file)
@@ -101,20 +101,14 @@ static int eventfd_release(struct inode *inode, struct file *file)
        return 0;
 }
 
-static struct wait_queue_head *
-eventfd_get_poll_head(struct file *file, __poll_t events)
-{
-       struct eventfd_ctx *ctx = file->private_data;
-
-       return &ctx->wqh;
-}
-
-static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask)
+static __poll_t eventfd_poll(struct file *file, poll_table *wait)
 {
        struct eventfd_ctx *ctx = file->private_data;
        __poll_t events = 0;
        u64 count;
 
+       poll_wait(file, &ctx->wqh, wait);
+
        /*
         * All writes to ctx->count occur within ctx->wqh.lock.  This read
         * can be done outside ctx->wqh.lock because we know that poll_wait
@@ -156,11 +150,11 @@ static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask)
        count = READ_ONCE(ctx->count);
 
        if (count > 0)
-               events |= (EPOLLIN & eventmask);
+               events |= EPOLLIN;
        if (count == ULLONG_MAX)
                events |= EPOLLERR;
        if (ULLONG_MAX - 1 > count)
-               events |= (EPOLLOUT & eventmask);
+               events |= EPOLLOUT;
 
        return events;
 }
@@ -311,8 +305,7 @@ static const struct file_operations eventfd_fops = {
        .show_fdinfo    = eventfd_show_fdinfo,
 #endif
        .release        = eventfd_release,
-       .get_poll_head  = eventfd_get_poll_head,
-       .poll_mask      = eventfd_poll_mask,
+       .poll           = eventfd_poll,
        .read           = eventfd_read,
        .write          = eventfd_write,
        .llseek         = noop_llseek,
index ea4436f409fb005a16edeca3f49f29f955db0171..67db22fe99c5ce8bf0ba606c0a45f221cbf69b38 100644 (file)
@@ -922,18 +922,14 @@ static __poll_t ep_read_events_proc(struct eventpoll *ep, struct list_head *head
        return 0;
 }
 
-static struct wait_queue_head *ep_eventpoll_get_poll_head(struct file *file,
-               __poll_t eventmask)
-{
-       struct eventpoll *ep = file->private_data;
-       return &ep->poll_wait;
-}
-
-static __poll_t ep_eventpoll_poll_mask(struct file *file, __poll_t eventmask)
+static __poll_t ep_eventpoll_poll(struct file *file, poll_table *wait)
 {
        struct eventpoll *ep = file->private_data;
        int depth = 0;
 
+       /* Insert inside our poll wait queue */
+       poll_wait(file, &ep->poll_wait, wait);
+
        /*
         * Proceed to find out if wanted events are really available inside
         * the ready list.
@@ -972,8 +968,7 @@ static const struct file_operations eventpoll_fops = {
        .show_fdinfo    = ep_show_fdinfo,
 #endif
        .release        = ep_eventpoll_release,
-       .get_poll_head  = ep_eventpoll_get_poll_head,
-       .poll_mask      = ep_eventpoll_poll_mask,
+       .poll           = ep_eventpoll_poll,
        .llseek         = noop_llseek,
 };
 
index b00481c475cb1ea63195ef970bde30af613364c6..e68cefe082612c84b39c612ef3ff32fca8ac3d25 100644 (file)
@@ -184,7 +184,6 @@ static int ext4_init_block_bitmap(struct super_block *sb,
        unsigned int bit, bit_max;
        struct ext4_sb_info *sbi = EXT4_SB(sb);
        ext4_fsblk_t start, tmp;
-       int flex_bg = 0;
 
        J_ASSERT_BH(bh, buffer_locked(bh));
 
@@ -207,22 +206,19 @@ static int ext4_init_block_bitmap(struct super_block *sb,
 
        start = ext4_group_first_block_no(sb, block_group);
 
-       if (ext4_has_feature_flex_bg(sb))
-               flex_bg = 1;
-
        /* Set bits for block and inode bitmaps, and inode table */
        tmp = ext4_block_bitmap(sb, gdp);
-       if (!flex_bg || ext4_block_in_group(sb, tmp, block_group))
+       if (ext4_block_in_group(sb, tmp, block_group))
                ext4_set_bit(EXT4_B2C(sbi, tmp - start), bh->b_data);
 
        tmp = ext4_inode_bitmap(sb, gdp);
-       if (!flex_bg || ext4_block_in_group(sb, tmp, block_group))
+       if (ext4_block_in_group(sb, tmp, block_group))
                ext4_set_bit(EXT4_B2C(sbi, tmp - start), bh->b_data);
 
        tmp = ext4_inode_table(sb, gdp);
        for (; tmp < ext4_inode_table(sb, gdp) +
                     sbi->s_itb_per_group; tmp++) {
-               if (!flex_bg || ext4_block_in_group(sb, tmp, block_group))
+               if (ext4_block_in_group(sb, tmp, block_group))
                        ext4_set_bit(EXT4_B2C(sbi, tmp - start), bh->b_data);
        }
 
@@ -442,7 +438,16 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group)
                goto verify;
        }
        ext4_lock_group(sb, block_group);
-       if (desc->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
+       if (ext4_has_group_desc_csum(sb) &&
+           (desc->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT))) {
+               if (block_group == 0) {
+                       ext4_unlock_group(sb, block_group);
+                       unlock_buffer(bh);
+                       ext4_error(sb, "Block bitmap for bg 0 marked "
+                                  "uninitialized");
+                       err = -EFSCORRUPTED;
+                       goto out;
+               }
                err = ext4_init_block_bitmap(sb, bh, block_group, desc);
                set_bitmap_uptodate(bh);
                set_buffer_uptodate(bh);
index 0b127853c5845aef5bcfeaa9ec2485f47d7939fb..7c7123f265c25ae9a586877dc30d7b80ede5b62c 100644 (file)
@@ -1114,6 +1114,7 @@ struct ext4_inode_info {
 #define EXT4_MOUNT_DIOREAD_NOLOCK      0x400000 /* Enable support for dio read nolocking */
 #define EXT4_MOUNT_JOURNAL_CHECKSUM    0x800000 /* Journal checksums */
 #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT        0x1000000 /* Journal Async Commit */
+#define EXT4_MOUNT_WARN_ON_ERROR       0x2000000 /* Trigger WARN_ON on error */
 #define EXT4_MOUNT_DELALLOC            0x8000000 /* Delalloc support */
 #define EXT4_MOUNT_DATA_ERR_ABORT      0x10000000 /* Abort on file data write */
 #define EXT4_MOUNT_BLOCK_VALIDITY      0x20000000 /* Block validity checking */
@@ -1507,11 +1508,6 @@ static inline struct ext4_inode_info *EXT4_I(struct inode *inode)
 static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
 {
        return ino == EXT4_ROOT_INO ||
-               ino == EXT4_USR_QUOTA_INO ||
-               ino == EXT4_GRP_QUOTA_INO ||
-               ino == EXT4_BOOT_LOADER_INO ||
-               ino == EXT4_JOURNAL_INO ||
-               ino == EXT4_RESIZE_INO ||
                (ino >= EXT4_FIRST_INO(sb) &&
                 ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));
 }
@@ -3018,9 +3014,6 @@ extern int ext4_inline_data_fiemap(struct inode *inode,
 struct iomap;
 extern int ext4_inline_data_iomap(struct inode *inode, struct iomap *iomap);
 
-extern int ext4_try_to_evict_inline_data(handle_t *handle,
-                                        struct inode *inode,
-                                        int needed);
 extern int ext4_inline_data_truncate(struct inode *inode, int *has_inline);
 
 extern int ext4_convert_inline_data(struct inode *inode);
index 98fb0c119c6827dd50b86ac3521f216bba41170c..adf6668b596f9e20aab3878b791009bfa5f051a0 100644 (file)
@@ -91,6 +91,7 @@ struct ext4_extent_header {
 };
 
 #define EXT4_EXT_MAGIC         cpu_to_le16(0xf30a)
+#define EXT4_MAX_EXTENT_DEPTH 5
 
 #define EXT4_EXTENT_TAIL_OFFSET(hdr) \
        (sizeof(struct ext4_extent_header) + \
index 0057fe3f248d195736ee58ec40131dadd98d59bb..8ce6fd5b10dd331a9cd86fb41e15ba84095c75e7 100644 (file)
@@ -869,6 +869,12 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block,
 
        eh = ext_inode_hdr(inode);
        depth = ext_depth(inode);
+       if (depth < 0 || depth > EXT4_MAX_EXTENT_DEPTH) {
+               EXT4_ERROR_INODE(inode, "inode has invalid extent depth: %d",
+                                depth);
+               ret = -EFSCORRUPTED;
+               goto err;
+       }
 
        if (path) {
                ext4_ext_drop_refs(path);
index f525f909b559c8c12e361f0750b56717a972ffb1..fb83750c1a14662a2e6337133c2ddb8460956aaf 100644 (file)
@@ -150,7 +150,16 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
        }
 
        ext4_lock_group(sb, block_group);
-       if (desc->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT)) {
+       if (ext4_has_group_desc_csum(sb) &&
+           (desc->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT))) {
+               if (block_group == 0) {
+                       ext4_unlock_group(sb, block_group);
+                       unlock_buffer(bh);
+                       ext4_error(sb, "Inode bitmap for bg 0 marked "
+                                  "uninitialized");
+                       err = -EFSCORRUPTED;
+                       goto out;
+               }
                memset(bh->b_data, 0, (EXT4_INODES_PER_GROUP(sb) + 7) / 8);
                ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb),
                                     sb->s_blocksize * 8, bh->b_data);
@@ -994,7 +1003,8 @@ got:
 
                /* recheck and clear flag under lock if we still need to */
                ext4_lock_group(sb, group);
-               if (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
+               if (ext4_has_group_desc_csum(sb) &&
+                   (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT))) {
                        gdp->bg_flags &= cpu_to_le16(~EXT4_BG_BLOCK_UNINIT);
                        ext4_free_group_clusters_set(sb, gdp,
                                ext4_free_clusters_after_init(sb, group, gdp));
index 285ed1588730c34c892566c0639b048e9c9a017e..e55a8bc870bd1ef0743cf479e0f1aa565eb364c6 100644 (file)
@@ -437,6 +437,7 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle,
 
        memset((void *)ext4_raw_inode(&is.iloc)->i_block,
                0, EXT4_MIN_INLINE_DATA_SIZE);
+       memset(ei->i_data, 0, EXT4_MIN_INLINE_DATA_SIZE);
 
        if (ext4_has_feature_extents(inode->i_sb)) {
                if (S_ISDIR(inode->i_mode) ||
@@ -886,11 +887,11 @@ retry_journal:
        flags |= AOP_FLAG_NOFS;
 
        if (ret == -ENOSPC) {
+               ext4_journal_stop(handle);
                ret = ext4_da_convert_inline_data_to_extent(mapping,
                                                            inode,
                                                            flags,
                                                            fsdata);
-               ext4_journal_stop(handle);
                if (ret == -ENOSPC &&
                    ext4_should_retry_alloc(inode->i_sb, &retries))
                        goto retry_journal;
@@ -1890,42 +1891,6 @@ out:
        return (error < 0 ? error : 0);
 }
 
-/*
- * Called during xattr set, and if we can sparse space 'needed',
- * just create the extent tree evict the data to the outer block.
- *
- * We use jbd2 instead of page cache to move data to the 1st block
- * so that the whole transaction can be committed as a whole and
- * the data isn't lost because of the delayed page cache write.
- */
-int ext4_try_to_evict_inline_data(handle_t *handle,
-                                 struct inode *inode,
-                                 int needed)
-{
-       int error;
-       struct ext4_xattr_entry *entry;
-       struct ext4_inode *raw_inode;
-       struct ext4_iloc iloc;
-
-       error = ext4_get_inode_loc(inode, &iloc);
-       if (error)
-               return error;
-
-       raw_inode = ext4_raw_inode(&iloc);
-       entry = (struct ext4_xattr_entry *)((void *)raw_inode +
-                                           EXT4_I(inode)->i_inline_off);
-       if (EXT4_XATTR_LEN(entry->e_name_len) +
-           EXT4_XATTR_SIZE(le32_to_cpu(entry->e_value_size)) < needed) {
-               error = -ENOSPC;
-               goto out;
-       }
-
-       error = ext4_convert_inline_data_nolock(handle, inode, &iloc);
-out:
-       brelse(iloc.bh);
-       return error;
-}
-
 int ext4_inline_data_truncate(struct inode *inode, int *has_inline)
 {
        handle_t *handle;
index 2ea07efbe0165d0d5bbff1cd4a570cb8bc337ae6..7d6c10017bdf5910a655d9f005a65c5b190f727a 100644 (file)
@@ -402,9 +402,9 @@ static int __check_block_validity(struct inode *inode, const char *func,
        if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk,
                                   map->m_len)) {
                ext4_error_inode(inode, func, line, map->m_pblk,
-                                "lblock %lu mapped to illegal pblock "
+                                "lblock %lu mapped to illegal pblock %llu "
                                 "(length %d)", (unsigned long) map->m_lblk,
-                                map->m_len);
+                                map->m_pblk, map->m_len);
                return -EFSCORRUPTED;
        }
        return 0;
@@ -4506,7 +4506,8 @@ static int __ext4_get_inode_loc(struct inode *inode,
        int                     inodes_per_block, inode_offset;
 
        iloc->bh = NULL;
-       if (!ext4_valid_inum(sb, inode->i_ino))
+       if (inode->i_ino < EXT4_ROOT_INO ||
+           inode->i_ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count))
                return -EFSCORRUPTED;
 
        iloc->block_group = (inode->i_ino - 1) / EXT4_INODES_PER_GROUP(sb);
index 6eae2b91aafa20b21fd19c61bb15fa7add625935..f7ab340881626be5f28407334c0f25f18717eb75 100644 (file)
@@ -2423,7 +2423,8 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
         * initialize bb_free to be able to skip
         * empty groups without initialization
         */
-       if (desc->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
+       if (ext4_has_group_desc_csum(sb) &&
+           (desc->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT))) {
                meta_group_info[i]->bb_free =
                        ext4_free_clusters_after_init(sb, group, desc);
        } else {
@@ -2989,7 +2990,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
 #endif
        ext4_set_bits(bitmap_bh->b_data, ac->ac_b_ex.fe_start,
                      ac->ac_b_ex.fe_len);
-       if (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) {
+       if (ext4_has_group_desc_csum(sb) &&
+           (gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT))) {
                gdp->bg_flags &= cpu_to_le16(~EXT4_BG_BLOCK_UNINIT);
                ext4_free_group_clusters_set(sb, gdp,
                                             ext4_free_clusters_after_init(sb,
index 0c4c2201b3aa2ee9680478f8fd11685e66634f50..ba2396a7bd04b099ed1726a8100d6983954efd36 100644 (file)
@@ -405,6 +405,9 @@ static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)
 
 static void ext4_handle_error(struct super_block *sb)
 {
+       if (test_opt(sb, WARN_ON_ERROR))
+               WARN_ON_ONCE(1);
+
        if (sb_rdonly(sb))
                return;
 
@@ -740,6 +743,9 @@ __acquires(bitlock)
                va_end(args);
        }
 
+       if (test_opt(sb, WARN_ON_ERROR))
+               WARN_ON_ONCE(1);
+
        if (test_opt(sb, ERRORS_CONT)) {
                ext4_commit_super(sb, 0);
                return;
@@ -1371,7 +1377,8 @@ enum {
        Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
        Opt_noquota, Opt_barrier, Opt_nobarrier, Opt_err,
        Opt_usrquota, Opt_grpquota, Opt_prjquota, Opt_i_version, Opt_dax,
-       Opt_stripe, Opt_delalloc, Opt_nodelalloc, Opt_mblk_io_submit,
+       Opt_stripe, Opt_delalloc, Opt_nodelalloc, Opt_warn_on_error,
+       Opt_nowarn_on_error, Opt_mblk_io_submit,
        Opt_lazytime, Opt_nolazytime, Opt_debug_want_extra_isize,
        Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity,
        Opt_inode_readahead_blks, Opt_journal_ioprio,
@@ -1438,6 +1445,8 @@ static const match_table_t tokens = {
        {Opt_dax, "dax"},
        {Opt_stripe, "stripe=%u"},
        {Opt_delalloc, "delalloc"},
+       {Opt_warn_on_error, "warn_on_error"},
+       {Opt_nowarn_on_error, "nowarn_on_error"},
        {Opt_lazytime, "lazytime"},
        {Opt_nolazytime, "nolazytime"},
        {Opt_debug_want_extra_isize, "debug_want_extra_isize=%u"},
@@ -1602,6 +1611,8 @@ static const struct mount_opts {
         MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT},
        {Opt_nodelalloc, EXT4_MOUNT_DELALLOC,
         MOPT_EXT4_ONLY | MOPT_CLEAR},
+       {Opt_warn_on_error, EXT4_MOUNT_WARN_ON_ERROR, MOPT_SET},
+       {Opt_nowarn_on_error, EXT4_MOUNT_WARN_ON_ERROR, MOPT_CLEAR},
        {Opt_nojournal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
         MOPT_EXT4_ONLY | MOPT_CLEAR},
        {Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
@@ -2331,6 +2342,7 @@ static int ext4_check_descriptors(struct super_block *sb,
        struct ext4_sb_info *sbi = EXT4_SB(sb);
        ext4_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
        ext4_fsblk_t last_block;
+       ext4_fsblk_t last_bg_block = sb_block + ext4_bg_num_gdb(sb, 0) + 1;
        ext4_fsblk_t block_bitmap;
        ext4_fsblk_t inode_bitmap;
        ext4_fsblk_t inode_table;
@@ -2363,6 +2375,14 @@ static int ext4_check_descriptors(struct super_block *sb,
                        if (!sb_rdonly(sb))
                                return 0;
                }
+               if (block_bitmap >= sb_block + 1 &&
+                   block_bitmap <= last_bg_block) {
+                       ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+                                "Block bitmap for group %u overlaps "
+                                "block group descriptors", i);
+                       if (!sb_rdonly(sb))
+                               return 0;
+               }
                if (block_bitmap < first_block || block_bitmap > last_block) {
                        ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
                               "Block bitmap for group %u not in group "
@@ -2377,6 +2397,14 @@ static int ext4_check_descriptors(struct super_block *sb,
                        if (!sb_rdonly(sb))
                                return 0;
                }
+               if (inode_bitmap >= sb_block + 1 &&
+                   inode_bitmap <= last_bg_block) {
+                       ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+                                "Inode bitmap for group %u overlaps "
+                                "block group descriptors", i);
+                       if (!sb_rdonly(sb))
+                               return 0;
+               }
                if (inode_bitmap < first_block || inode_bitmap > last_block) {
                        ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
                               "Inode bitmap for group %u not in group "
@@ -2391,6 +2419,14 @@ static int ext4_check_descriptors(struct super_block *sb,
                        if (!sb_rdonly(sb))
                                return 0;
                }
+               if (inode_table >= sb_block + 1 &&
+                   inode_table <= last_bg_block) {
+                       ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+                                "Inode table for group %u overlaps "
+                                "block group descriptors", i);
+                       if (!sb_rdonly(sb))
+                               return 0;
+               }
                if (inode_table < first_block ||
                    inode_table + sbi->s_itb_per_group - 1 > last_block) {
                        ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
@@ -3097,13 +3133,22 @@ static ext4_group_t ext4_has_uninit_itable(struct super_block *sb)
        ext4_group_t group, ngroups = EXT4_SB(sb)->s_groups_count;
        struct ext4_group_desc *gdp = NULL;
 
+       if (!ext4_has_group_desc_csum(sb))
+               return ngroups;
+
        for (group = 0; group < ngroups; group++) {
                gdp = ext4_get_group_desc(sb, group, NULL);
                if (!gdp)
                        continue;
 
-               if (!(gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_ZEROED)))
+               if (gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_ZEROED))
+                       continue;
+               if (group != 0)
                        break;
+               ext4_error(sb, "Inode table for bg 0 marked as "
+                          "needing zeroing");
+               if (sb_rdonly(sb))
+                       return ngroups;
        }
 
        return group;
@@ -3742,6 +3787,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                         le32_to_cpu(es->s_log_block_size));
                goto failed_mount;
        }
+       if (le32_to_cpu(es->s_log_cluster_size) >
+           (EXT4_MAX_CLUSTER_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
+               ext4_msg(sb, KERN_ERR,
+                        "Invalid log cluster size: %u",
+                        le32_to_cpu(es->s_log_cluster_size));
+               goto failed_mount;
+       }
 
        if (le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) > (blocksize / 4)) {
                ext4_msg(sb, KERN_ERR,
@@ -3806,6 +3858,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
        } else {
                sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
                sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
+               if (sbi->s_first_ino < EXT4_GOOD_OLD_FIRST_INO) {
+                       ext4_msg(sb, KERN_ERR, "invalid first ino: %u",
+                                sbi->s_first_ino);
+                       goto failed_mount;
+               }
                if ((sbi->s_inode_size < EXT4_GOOD_OLD_INODE_SIZE) ||
                    (!is_power_of_2(sbi->s_inode_size)) ||
                    (sbi->s_inode_size > blocksize)) {
@@ -3882,13 +3939,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                                 "block size (%d)", clustersize, blocksize);
                        goto failed_mount;
                }
-               if (le32_to_cpu(es->s_log_cluster_size) >
-                   (EXT4_MAX_CLUSTER_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
-                       ext4_msg(sb, KERN_ERR,
-                                "Invalid log cluster size: %u",
-                                le32_to_cpu(es->s_log_cluster_size));
-                       goto failed_mount;
-               }
                sbi->s_cluster_bits = le32_to_cpu(es->s_log_cluster_size) -
                        le32_to_cpu(es->s_log_block_size);
                sbi->s_clusters_per_group =
@@ -3909,10 +3959,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                }
        } else {
                if (clustersize != blocksize) {
-                       ext4_warning(sb, "fragment/cluster size (%d) != "
-                                    "block size (%d)", clustersize,
-                                    blocksize);
-                       clustersize = blocksize;
+                       ext4_msg(sb, KERN_ERR,
+                                "fragment/cluster size (%d) != "
+                                "block size (%d)", clustersize, blocksize);
+                       goto failed_mount;
                }
                if (sbi->s_blocks_per_group > blocksize * 8) {
                        ext4_msg(sb, KERN_ERR,
@@ -3966,6 +4016,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                         ext4_blocks_count(es));
                goto failed_mount;
        }
+       if ((es->s_first_data_block == 0) && (es->s_log_block_size == 0) &&
+           (sbi->s_cluster_ratio == 1)) {
+               ext4_msg(sb, KERN_WARNING, "bad geometry: first data "
+                        "block is 0 with a 1k block and cluster size");
+               goto failed_mount;
+       }
+
        blocks_count = (ext4_blocks_count(es) -
                        le32_to_cpu(es->s_first_data_block) +
                        EXT4_BLOCKS_PER_GROUP(sb) - 1);
@@ -4001,6 +4058,14 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                ret = -ENOMEM;
                goto failed_mount;
        }
+       if (((u64)sbi->s_groups_count * sbi->s_inodes_per_group) !=
+           le32_to_cpu(es->s_inodes_count)) {
+               ext4_msg(sb, KERN_ERR, "inodes count not valid: %u vs %llu",
+                        le32_to_cpu(es->s_inodes_count),
+                        ((u64)sbi->s_groups_count * sbi->s_inodes_per_group));
+               ret = -EINVAL;
+               goto failed_mount;
+       }
 
        bgl_lock_init(sbi->s_blockgroup_lock);
 
@@ -4736,6 +4801,14 @@ static int ext4_commit_super(struct super_block *sb, int sync)
 
        if (!sbh || block_device_ejected(sb))
                return error;
+
+       /*
+        * The superblock bh should be mapped, but it might not be if the
+        * device was hot-removed. Not much we can do but fail the I/O.
+        */
+       if (!buffer_mapped(sbh))
+               return error;
+
        /*
         * If the file system is mounted read-only, don't update the
         * superblock write time.  This avoids updating the superblock
index fc4ced59c565b7b8ad2d36af9b8e1894c7fd3029..723df14f408408607c123dbbb7b7f7fe1fe9b396 100644 (file)
@@ -230,12 +230,12 @@ __ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh,
 {
        int error = -EFSCORRUPTED;
 
-       if (buffer_verified(bh))
-               return 0;
-
        if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
            BHDR(bh)->h_blocks != cpu_to_le32(1))
                goto errout;
+       if (buffer_verified(bh))
+               return 0;
+
        error = -EFSBADCRC;
        if (!ext4_xattr_block_csum_verify(inode, bh))
                goto errout;
@@ -1560,7 +1560,7 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
                                handle_t *handle, struct inode *inode,
                                bool is_block)
 {
-       struct ext4_xattr_entry *last;
+       struct ext4_xattr_entry *last, *next;
        struct ext4_xattr_entry *here = s->here;
        size_t min_offs = s->end - s->base, name_len = strlen(i->name);
        int in_inode = i->in_inode;
@@ -1595,7 +1595,13 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
 
        /* Compute min_offs and last. */
        last = s->first;
-       for (; !IS_LAST_ENTRY(last); last = EXT4_XATTR_NEXT(last)) {
+       for (; !IS_LAST_ENTRY(last); last = next) {
+               next = EXT4_XATTR_NEXT(last);
+               if ((void *)next >= s->end) {
+                       EXT4_ERROR_INODE(inode, "corrupted xattr entries");
+                       ret = -EFSCORRUPTED;
+                       goto out;
+               }
                if (!last->e_value_inum && last->e_value_size) {
                        size_t offs = le16_to_cpu(last->e_value_offs);
                        if (offs < min_offs)
@@ -2206,23 +2212,8 @@ int ext4_xattr_ibody_inline_set(handle_t *handle, struct inode *inode,
        if (EXT4_I(inode)->i_extra_isize == 0)
                return -ENOSPC;
        error = ext4_xattr_set_entry(i, s, handle, inode, false /* is_block */);
-       if (error) {
-               if (error == -ENOSPC &&
-                   ext4_has_inline_data(inode)) {
-                       error = ext4_try_to_evict_inline_data(handle, inode,
-                                       EXT4_XATTR_LEN(strlen(i->name) +
-                                       EXT4_XATTR_SIZE(i->value_len)));
-                       if (error)
-                               return error;
-                       error = ext4_xattr_ibody_find(inode, i, is);
-                       if (error)
-                               return error;
-                       error = ext4_xattr_set_entry(i, s, handle, inode,
-                                                    false /* is_block */);
-               }
-               if (error)
-                       return error;
-       }
+       if (error)
+               return error;
        header = IHDR(inode, ext4_raw_inode(&is->iloc));
        if (!IS_LAST_ENTRY(s->first)) {
                header->h_magic = cpu_to_le32(EXT4_XATTR_MAGIC);
@@ -2651,6 +2642,11 @@ static int ext4_xattr_make_inode_space(handle_t *handle, struct inode *inode,
                last = IFIRST(header);
                /* Find the entry best suited to be pushed into EA block */
                for (; !IS_LAST_ENTRY(last); last = EXT4_XATTR_NEXT(last)) {
+                       /* never move system.data out of the inode */
+                       if ((last->e_name_len == 4) &&
+                           (last->e_name_index == EXT4_XATTR_INDEX_SYSTEM) &&
+                           !memcmp(last->e_name, "data", 4))
+                               continue;
                        total_size = EXT4_XATTR_LEN(last->e_name_len);
                        if (!last->e_value_inum)
                                total_size += EXT4_XATTR_SIZE(
index 2c300e98179607ea0062a2c1dbcee17e9bc926c4..8c86c809ca17b30e003913e169626aa42df2e908 100644 (file)
@@ -1999,8 +1999,14 @@ void inode_init_owner(struct inode *inode, const struct inode *dir,
        inode->i_uid = current_fsuid();
        if (dir && dir->i_mode & S_ISGID) {
                inode->i_gid = dir->i_gid;
+
+               /* Directories are special, and always inherit S_ISGID */
                if (S_ISDIR(mode))
                        mode |= S_ISGID;
+               else if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP) &&
+                        !in_group_p(inode->i_gid) &&
+                        !capable_wrt_inode_uidgid(dir, CAP_FSETID))
+                       mode &= ~S_ISGID;
        } else
                inode->i_gid = current_fsgid();
        inode->i_mode = mode;
index 51dd68e67b0f3abfcd115196724079e226467d09..c0b66a7a795b1cd22de3061930e454ff24394925 100644 (file)
@@ -1361,6 +1361,13 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
                if (jh->b_transaction == transaction &&
                    jh->b_jlist != BJ_Metadata) {
                        jbd_lock_bh_state(bh);
+                       if (jh->b_transaction == transaction &&
+                           jh->b_jlist != BJ_Metadata)
+                               pr_err("JBD2: assertion failure: h_type=%u "
+                                      "h_line_no=%u block_no=%llu jlist=%u\n",
+                                      handle->h_type, handle->h_line_no,
+                                      (unsigned long long) bh->b_blocknr,
+                                      jh->b_jlist);
                        J_ASSERT_JH(jh, jh->b_transaction != transaction ||
                                        jh->b_jlist == BJ_Metadata);
                        jbd_unlock_bh_state(bh);
@@ -1380,11 +1387,11 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
                 * of the transaction. This needs to be done
                 * once a transaction -bzzz
                 */
-               jh->b_modified = 1;
                if (handle->h_buffer_credits <= 0) {
                        ret = -ENOSPC;
                        goto out_unlock_bh;
                }
+               jh->b_modified = 1;
                handle->h_buffer_credits--;
        }
 
index bb0840e234f3bc176d2af120d6ed94ee3720aad0..39d6f431da83f4227fbfbee1b6931230aa82e95c 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -509,22 +509,19 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
        }
 }
 
-static struct wait_queue_head *
-pipe_get_poll_head(struct file *filp, __poll_t events)
-{
-       struct pipe_inode_info *pipe = filp->private_data;
-
-       return &pipe->wait;
-}
-
 /* No kernel lock held - fine */
-static __poll_t pipe_poll_mask(struct file *filp, __poll_t events)
+static __poll_t
+pipe_poll(struct file *filp, poll_table *wait)
 {
+       __poll_t mask;
        struct pipe_inode_info *pipe = filp->private_data;
-       int nrbufs = pipe->nrbufs;
-       __poll_t mask = 0;
+       int nrbufs;
+
+       poll_wait(filp, &pipe->wait, wait);
 
        /* Reading only -- no need for acquiring the semaphore.  */
+       nrbufs = pipe->nrbufs;
+       mask = 0;
        if (filp->f_mode & FMODE_READ) {
                mask = (nrbufs > 0) ? EPOLLIN | EPOLLRDNORM : 0;
                if (!pipe->writers && filp->f_version != pipe->w_counter)
@@ -1023,8 +1020,7 @@ const struct file_operations pipefifo_fops = {
        .llseek         = no_llseek,
        .read_iter      = pipe_read,
        .write_iter     = pipe_write,
-       .get_poll_head  = pipe_get_poll_head,
-       .poll_mask      = pipe_poll_mask,
+       .poll           = pipe_poll,
        .unlocked_ioctl = pipe_ioctl,
        .release        = pipe_release,
        .fasync         = pipe_fasync,
index 6ac1c92997ea2a20c3af8959c6920218f16a846d..bb1c1625b158d03f5c8685f55e370267e1cc76fb 100644 (file)
@@ -564,11 +564,20 @@ static int proc_seq_open(struct inode *inode, struct file *file)
        return seq_open(file, de->seq_ops);
 }
 
+static int proc_seq_release(struct inode *inode, struct file *file)
+{
+       struct proc_dir_entry *de = PDE(inode);
+
+       if (de->state_size)
+               return seq_release_private(inode, file);
+       return seq_release(inode, file);
+}
+
 static const struct file_operations proc_seq_fops = {
        .open           = proc_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
-       .release        = seq_release,
+       .release        = proc_seq_release,
 };
 
 struct proc_dir_entry *proc_create_seq_private(const char *name, umode_t mode,
index 317891ff8165ba19b775fcfaa8f6deccb58ba18f..4a6b6e4b21cb91aecdf40492c4763f09bf4ccc3f 100644 (file)
 
 #include <linux/uaccess.h>
 
-__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)
-{
-       if (file->f_op->poll) {
-               return file->f_op->poll(file, pt);
-       } else if (file_has_poll_mask(file)) {
-               unsigned int events = poll_requested_events(pt);
-               struct wait_queue_head *head;
-
-               if (pt && pt->_qproc) {
-                       head = file->f_op->get_poll_head(file, events);
-                       if (!head)
-                               return DEFAULT_POLLMASK;
-                       if (IS_ERR(head))
-                               return EPOLLERR;
-                       pt->_qproc(file, head, pt);
-               }
-
-               return file->f_op->poll_mask(file, events);
-       } else {
-               return DEFAULT_POLLMASK;
-       }
-}
-EXPORT_SYMBOL_GPL(vfs_poll);
 
 /*
  * Estimate expected accuracy in ns from a timeval.
index d84a2bee4f82b2f8470b7f2fbd42b2f33beb2bce..cdad49da3ff710e6fd2cc1adf4bf4877623af670 100644 (file)
@@ -226,20 +226,21 @@ static int timerfd_release(struct inode *inode, struct file *file)
        kfree_rcu(ctx, rcu);
        return 0;
 }
-       
-static struct wait_queue_head *timerfd_get_poll_head(struct file *file,
-               __poll_t eventmask)
+
+static __poll_t timerfd_poll(struct file *file, poll_table *wait)
 {
        struct timerfd_ctx *ctx = file->private_data;
+       __poll_t events = 0;
+       unsigned long flags;
 
-       return &ctx->wqh;
-}
+       poll_wait(file, &ctx->wqh, wait);
 
-static __poll_t timerfd_poll_mask(struct file *file, __poll_t eventmask)
-{
-       struct timerfd_ctx *ctx = file->private_data;
+       spin_lock_irqsave(&ctx->wqh.lock, flags);
+       if (ctx->ticks)
+               events |= EPOLLIN;
+       spin_unlock_irqrestore(&ctx->wqh.lock, flags);
 
-       return ctx->ticks ? EPOLLIN : 0;
+       return events;
 }
 
 static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
@@ -363,8 +364,7 @@ static long timerfd_ioctl(struct file *file, unsigned int cmd, unsigned long arg
 
 static const struct file_operations timerfd_fops = {
        .release        = timerfd_release,
-       .get_poll_head  = timerfd_get_poll_head,
-       .poll_mask      = timerfd_poll_mask,
+       .poll           = timerfd_poll,
        .read           = timerfd_read,
        .llseek         = noop_llseek,
        .show_fdinfo    = timerfd_show,
index 123bf7d516fc1f475cb89edb8aade4c2ad556f51..594d192b23317d7e69d068b2f124ca6f77de3e07 100644 (file)
@@ -222,24 +222,26 @@ static inline bool userfaultfd_huge_must_wait(struct userfaultfd_ctx *ctx,
                                         unsigned long reason)
 {
        struct mm_struct *mm = ctx->mm;
-       pte_t *pte;
+       pte_t *ptep, pte;
        bool ret = true;
 
        VM_BUG_ON(!rwsem_is_locked(&mm->mmap_sem));
 
-       pte = huge_pte_offset(mm, address, vma_mmu_pagesize(vma));
-       if (!pte)
+       ptep = huge_pte_offset(mm, address, vma_mmu_pagesize(vma));
+
+       if (!ptep)
                goto out;
 
        ret = false;
+       pte = huge_ptep_get(ptep);
 
        /*
         * Lockless access: we're in a wait_event so it's ok if it
         * changes under us.
         */
-       if (huge_pte_none(*pte))
+       if (huge_pte_none(pte))
                ret = true;
-       if (!huge_pte_write(*pte) && (reason & VM_UFFD_WP))
+       if (!huge_pte_write(pte) && (reason & VM_UFFD_WP))
                ret = true;
 out:
        return ret;
index 84db76e0e3e3c58ae7d25b38a46a1ce2b4d5cae4..fecd187fcf2c3cd69bd79954ccc272737cb2ce2b 100644 (file)
@@ -157,6 +157,7 @@ __xfs_ag_resv_free(
        error = xfs_mod_fdblocks(pag->pag_mount, oldresv, true);
        resv->ar_reserved = 0;
        resv->ar_asked = 0;
+       resv->ar_orig_reserved = 0;
 
        if (error)
                trace_xfs_ag_resv_free_error(pag->pag_mount, pag->pag_agno,
@@ -189,13 +190,34 @@ __xfs_ag_resv_init(
        struct xfs_mount                *mp = pag->pag_mount;
        struct xfs_ag_resv              *resv;
        int                             error;
-       xfs_extlen_t                    reserved;
+       xfs_extlen_t                    hidden_space;
 
        if (used > ask)
                ask = used;
-       reserved = ask - used;
 
-       error = xfs_mod_fdblocks(mp, -(int64_t)reserved, true);
+       switch (type) {
+       case XFS_AG_RESV_RMAPBT:
+               /*
+                * Space taken by the rmapbt is not subtracted from fdblocks
+                * because the rmapbt lives in the free space.  Here we must
+                * subtract the entire reservation from fdblocks so that we
+                * always have blocks available for rmapbt expansion.
+                */
+               hidden_space = ask;
+               break;
+       case XFS_AG_RESV_METADATA:
+               /*
+                * Space taken by all other metadata btrees are accounted
+                * on-disk as used space.  We therefore only hide the space
+                * that is reserved but not used by the trees.
+                */
+               hidden_space = ask - used;
+               break;
+       default:
+               ASSERT(0);
+               return -EINVAL;
+       }
+       error = xfs_mod_fdblocks(mp, -(int64_t)hidden_space, true);
        if (error) {
                trace_xfs_ag_resv_init_error(pag->pag_mount, pag->pag_agno,
                                error, _RET_IP_);
@@ -216,7 +238,8 @@ __xfs_ag_resv_init(
 
        resv = xfs_perag_resv(pag, type);
        resv->ar_asked = ask;
-       resv->ar_reserved = resv->ar_orig_reserved = reserved;
+       resv->ar_orig_reserved = hidden_space;
+       resv->ar_reserved = ask - used;
 
        trace_xfs_ag_resv_init(pag, type, ask);
        return 0;
index 01628f0c9a0c227543087c70bd7391ad3f0eee2c..7205268b30bc54b488bf513b1a2b6bb737769d64 100644 (file)
@@ -5780,6 +5780,32 @@ del_cursor:
        return error;
 }
 
+/* Make sure we won't be right-shifting an extent past the maximum bound. */
+int
+xfs_bmap_can_insert_extents(
+       struct xfs_inode        *ip,
+       xfs_fileoff_t           off,
+       xfs_fileoff_t           shift)
+{
+       struct xfs_bmbt_irec    got;
+       int                     is_empty;
+       int                     error = 0;
+
+       ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));
+
+       if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+               return -EIO;
+
+       xfs_ilock(ip, XFS_ILOCK_EXCL);
+       error = xfs_bmap_last_extent(NULL, ip, XFS_DATA_FORK, &got, &is_empty);
+       if (!error && !is_empty && got.br_startoff >= off &&
+           ((got.br_startoff + shift) & BMBT_STARTOFF_MASK) < got.br_startoff)
+               error = -EINVAL;
+       xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
+       return error;
+}
+
 int
 xfs_bmap_insert_extents(
        struct xfs_trans        *tp,
index 99dddbd0fcc6c606e59544d69a0435b0cc205c5f..9b49ddf99c4115479fe8271cc5b492a2d86b2b70 100644 (file)
@@ -227,6 +227,8 @@ int xfs_bmap_collapse_extents(struct xfs_trans *tp, struct xfs_inode *ip,
                xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb,
                bool *done, xfs_fsblock_t *firstblock,
                struct xfs_defer_ops *dfops);
+int    xfs_bmap_can_insert_extents(struct xfs_inode *ip, xfs_fileoff_t off,
+               xfs_fileoff_t shift);
 int    xfs_bmap_insert_extents(struct xfs_trans *tp, struct xfs_inode *ip,
                xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb,
                bool *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock,
index 1c5a8aaf2bfcea6b51b76e7aa7dff4b55b4e4145..059bc44c27e83edf3cb1fe2c494490e65f93c5d8 100644 (file)
@@ -962,6 +962,9 @@ typedef enum xfs_dinode_fmt {
                XFS_DFORK_DSIZE(dip, mp) : \
                XFS_DFORK_ASIZE(dip, mp))
 
+#define XFS_DFORK_MAXEXT(dip, mp, w) \
+       (XFS_DFORK_SIZE(dip, mp, w) / sizeof(struct xfs_bmbt_rec))
+
 /*
  * Return pointers to the data or attribute forks.
  */
@@ -1526,6 +1529,8 @@ typedef struct xfs_bmdr_block {
 #define BMBT_STARTBLOCK_BITLEN 52
 #define BMBT_BLOCKCOUNT_BITLEN 21
 
+#define BMBT_STARTOFF_MASK     ((1ULL << BMBT_STARTOFF_BITLEN) - 1)
+
 typedef struct xfs_bmbt_rec {
        __be64                  l0, l1;
 } xfs_bmbt_rec_t;
index d38d724534c48e2a4644be06acbf6d64da9a65b2..33dc34655ac3ddb32a5a5fa4711048285c8a0343 100644 (file)
@@ -374,6 +374,47 @@ xfs_log_dinode_to_disk(
        }
 }
 
+static xfs_failaddr_t
+xfs_dinode_verify_fork(
+       struct xfs_dinode       *dip,
+       struct xfs_mount        *mp,
+       int                     whichfork)
+{
+       uint32_t                di_nextents = XFS_DFORK_NEXTENTS(dip, whichfork);
+
+       switch (XFS_DFORK_FORMAT(dip, whichfork)) {
+       case XFS_DINODE_FMT_LOCAL:
+               /*
+                * no local regular files yet
+                */
+               if (whichfork == XFS_DATA_FORK) {
+                       if (S_ISREG(be16_to_cpu(dip->di_mode)))
+                               return __this_address;
+                       if (be64_to_cpu(dip->di_size) >
+                                       XFS_DFORK_SIZE(dip, mp, whichfork))
+                               return __this_address;
+               }
+               if (di_nextents)
+                       return __this_address;
+               break;
+       case XFS_DINODE_FMT_EXTENTS:
+               if (di_nextents > XFS_DFORK_MAXEXT(dip, mp, whichfork))
+                       return __this_address;
+               break;
+       case XFS_DINODE_FMT_BTREE:
+               if (whichfork == XFS_ATTR_FORK) {
+                       if (di_nextents > MAXAEXTNUM)
+                               return __this_address;
+               } else if (di_nextents > MAXEXTNUM) {
+                       return __this_address;
+               }
+               break;
+       default:
+               return __this_address;
+       }
+       return NULL;
+}
+
 xfs_failaddr_t
 xfs_dinode_verify(
        struct xfs_mount        *mp,
@@ -441,24 +482,9 @@ xfs_dinode_verify(
        case S_IFREG:
        case S_IFLNK:
        case S_IFDIR:
-               switch (dip->di_format) {
-               case XFS_DINODE_FMT_LOCAL:
-                       /*
-                        * no local regular files yet
-                        */
-                       if (S_ISREG(mode))
-                               return __this_address;
-                       if (di_size > XFS_DFORK_DSIZE(dip, mp))
-                               return __this_address;
-                       if (dip->di_nextents)
-                               return __this_address;
-                       /* fall through */
-               case XFS_DINODE_FMT_EXTENTS:
-               case XFS_DINODE_FMT_BTREE:
-                       break;
-               default:
-                       return __this_address;
-               }
+               fa = xfs_dinode_verify_fork(dip, mp, XFS_DATA_FORK);
+               if (fa)
+                       return fa;
                break;
        case 0:
                /* Uninitialized inode ok. */
@@ -468,17 +494,9 @@ xfs_dinode_verify(
        }
 
        if (XFS_DFORK_Q(dip)) {
-               switch (dip->di_aformat) {
-               case XFS_DINODE_FMT_LOCAL:
-                       if (dip->di_anextents)
-                               return __this_address;
-               /* fall through */
-               case XFS_DINODE_FMT_EXTENTS:
-               case XFS_DINODE_FMT_BTREE:
-                       break;
-               default:
-                       return __this_address;
-               }
+               fa = xfs_dinode_verify_fork(dip, mp, XFS_ATTR_FORK);
+               if (fa)
+                       return fa;
        } else {
                /*
                 * If there is no fork offset, this may be a freshly-made inode
index 65fc4ed2e9a1050b76b1cd85d874294e52a8afd9..b228c821bae6802c0aa8ab9b79069d703245bbe2 100644 (file)
@@ -1029,8 +1029,8 @@ xfs_rtalloc_query_range(
        if (low_rec->ar_startext >= mp->m_sb.sb_rextents ||
            low_rec->ar_startext == high_rec->ar_startext)
                return 0;
-       if (high_rec->ar_startext >= mp->m_sb.sb_rextents)
-               high_rec->ar_startext = mp->m_sb.sb_rextents - 1;
+       if (high_rec->ar_startext > mp->m_sb.sb_rextents)
+               high_rec->ar_startext = mp->m_sb.sb_rextents;
 
        /* Iterate the bitmap, looking for discrepancies. */
        rtstart = low_rec->ar_startext;
index c35009a8669953dfee4013615ca62b47237b4d77..83b1e8c6c18f939e8afcabdb4eb37fd33e459da8 100644 (file)
@@ -685,12 +685,10 @@ out_unlock_iolock:
 }
 
 /*
- * dead simple method of punching delalyed allocation blocks from a range in
- * the inode. Walks a block at a time so will be slow, but is only executed in
- * rare error cases so the overhead is not critical. This will always punch out
- * both the start and end blocks, even if the ranges only partially overlap
- * them, so it is up to the caller to ensure that partial blocks are not
- * passed in.
+ * Dead simple method of punching delalyed allocation blocks from a range in
+ * the inode.  This will always punch out both the start and end blocks, even
+ * if the ranges only partially overlap them, so it is up to the caller to
+ * ensure that partial blocks are not passed in.
  */
 int
 xfs_bmap_punch_delalloc_range(
@@ -698,63 +696,44 @@ xfs_bmap_punch_delalloc_range(
        xfs_fileoff_t           start_fsb,
        xfs_fileoff_t           length)
 {
-       xfs_fileoff_t           remaining = length;
+       struct xfs_ifork        *ifp = &ip->i_df;
+       xfs_fileoff_t           end_fsb = start_fsb + length;
+       struct xfs_bmbt_irec    got, del;
+       struct xfs_iext_cursor  icur;
        int                     error = 0;
 
        ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
 
-       do {
-               int             done;
-               xfs_bmbt_irec_t imap;
-               int             nimaps = 1;
-               xfs_fsblock_t   firstblock;
-               struct xfs_defer_ops dfops;
+       if (!(ifp->if_flags & XFS_IFEXTENTS)) {
+               error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK);
+               if (error)
+                       return error;
+       }
 
-               /*
-                * Map the range first and check that it is a delalloc extent
-                * before trying to unmap the range. Otherwise we will be
-                * trying to remove a real extent (which requires a
-                * transaction) or a hole, which is probably a bad idea...
-                */
-               error = xfs_bmapi_read(ip, start_fsb, 1, &imap, &nimaps,
-                                      XFS_BMAPI_ENTIRE);
+       if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))
+               return 0;
 
-               if (error) {
-                       /* something screwed, just bail */
-                       if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
-                               xfs_alert(ip->i_mount,
-                       "Failed delalloc mapping lookup ino %lld fsb %lld.",
-                                               ip->i_ino, start_fsb);
-                       }
-                       break;
-               }
-               if (!nimaps) {
-                       /* nothing there */
-                       goto next_block;
-               }
-               if (imap.br_startblock != DELAYSTARTBLOCK) {
-                       /* been converted, ignore */
-                       goto next_block;
-               }
-               WARN_ON(imap.br_blockcount == 0);
+       while (got.br_startoff + got.br_blockcount > start_fsb) {
+               del = got;
+               xfs_trim_extent(&del, start_fsb, length);
 
                /*
-                * Note: while we initialise the firstblock/dfops pair, they
-                * should never be used because blocks should never be
-                * allocated or freed for a delalloc extent and hence we need
-                * don't cancel or finish them after the xfs_bunmapi() call.
+                * A delete can push the cursor forward. Step back to the
+                * previous extent on non-delalloc or extents outside the
+                * target range.
                 */
-               xfs_defer_init(&dfops, &firstblock);
-               error = xfs_bunmapi(NULL, ip, start_fsb, 1, 0, 1, &firstblock,
-                                       &dfops, &done);
-               if (error)
-                       break;
+               if (!del.br_blockcount ||
+                   !isnullstartblock(del.br_startblock)) {
+                       if (!xfs_iext_prev_extent(ifp, &icur, &got))
+                               break;
+                       continue;
+               }
 
-               ASSERT(!xfs_defer_has_unfinished_work(&dfops));
-next_block:
-               start_fsb++;
-               remaining--;
-       } while(remaining > 0);
+               error = xfs_bmap_del_extent_delay(ip, XFS_DATA_FORK, &icur,
+                                                 &got, &del);
+               if (error || !xfs_iext_get_extent(ifp, &icur, &got))
+                       break;
+       }
 
        return error;
 }
@@ -1208,7 +1187,22 @@ xfs_free_file_space(
                return 0;
        if (offset + len > XFS_ISIZE(ip))
                len = XFS_ISIZE(ip) - offset;
-       return iomap_zero_range(VFS_I(ip), offset, len, NULL, &xfs_iomap_ops);
+       error = iomap_zero_range(VFS_I(ip), offset, len, NULL, &xfs_iomap_ops);
+       if (error)
+               return error;
+
+       /*
+        * If we zeroed right up to EOF and EOF straddles a page boundary we
+        * must make sure that the post-EOF area is also zeroed because the
+        * page could be mmap'd and iomap_zero_range doesn't do that for us.
+        * Writeback of the eof page will do this, albeit clumsily.
+        */
+       if (offset + len >= XFS_ISIZE(ip) && ((offset + len) & PAGE_MASK)) {
+               error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping,
+                               (offset + len) & ~PAGE_MASK, LLONG_MAX);
+       }
+
+       return error;
 }
 
 /*
@@ -1404,6 +1398,10 @@ xfs_insert_file_space(
 
        trace_xfs_insert_file_space(ip);
 
+       error = xfs_bmap_can_insert_extents(ip, stop_fsb, shift_fsb);
+       if (error)
+               return error;
+
        error = xfs_prepare_shift(ip, offset);
        if (error)
                return error;
index c34fa9c342f25fdbee7e39fead0078e30859bba3..c7157bc48bd192ea60650577232ea87e8bfbbf02 100644 (file)
@@ -513,8 +513,8 @@ xfs_getfsmap_rtdev_rtbitmap_query(
        struct xfs_trans                *tp,
        struct xfs_getfsmap_info        *info)
 {
-       struct xfs_rtalloc_rec          alow;
-       struct xfs_rtalloc_rec          ahigh;
+       struct xfs_rtalloc_rec          alow = { 0 };
+       struct xfs_rtalloc_rec          ahigh = { 0 };
        int                             error;
 
        xfs_ilock(tp->t_mountp->m_rbmip, XFS_ILOCK_SHARED);
index a7afcad6b71140aed25f02979946cb9795afa644..3f2bd6032cf86525d6d344d60be903d9c739267c 100644 (file)
@@ -387,7 +387,7 @@ xfs_reserve_blocks(
        do {
                free = percpu_counter_sum(&mp->m_fdblocks) -
                                                mp->m_alloc_set_aside;
-               if (!free)
+               if (free <= 0)
                        break;
 
                delta = request - mp->m_resblks;
index 7a96c4e0ab5c621f38d9e034622d26ebd8d95437..5df4de666cc118848c86ddc33420d4147031ce57 100644 (file)
@@ -3236,7 +3236,6 @@ xfs_iflush_cluster(
        struct xfs_inode        *cip;
        int                     nr_found;
        int                     clcount = 0;
-       int                     bufwasdelwri;
        int                     i;
 
        pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
@@ -3360,37 +3359,22 @@ cluster_corrupt_out:
         * inode buffer and shut down the filesystem.
         */
        rcu_read_unlock();
-       /*
-        * Clean up the buffer.  If it was delwri, just release it --
-        * brelse can handle it with no problems.  If not, shut down the
-        * filesystem before releasing the buffer.
-        */
-       bufwasdelwri = (bp->b_flags & _XBF_DELWRI_Q);
-       if (bufwasdelwri)
-               xfs_buf_relse(bp);
-
        xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
 
-       if (!bufwasdelwri) {
-               /*
-                * Just like incore_relse: if we have b_iodone functions,
-                * mark the buffer as an error and call them.  Otherwise
-                * mark it as stale and brelse.
-                */
-               if (bp->b_iodone) {
-                       bp->b_flags &= ~XBF_DONE;
-                       xfs_buf_stale(bp);
-                       xfs_buf_ioerror(bp, -EIO);
-                       xfs_buf_ioend(bp);
-               } else {
-                       xfs_buf_stale(bp);
-                       xfs_buf_relse(bp);
-               }
-       }
-
        /*
-        * Unlocks the flush lock
+        * We'll always have an inode attached to the buffer for completion
+        * process by the time we are called from xfs_iflush(). Hence we have
+        * always need to do IO completion processing to abort the inodes
+        * attached to the buffer.  handle them just like the shutdown case in
+        * xfs_buf_submit().
         */
+       ASSERT(bp->b_iodone);
+       bp->b_flags &= ~XBF_DONE;
+       xfs_buf_stale(bp);
+       xfs_buf_ioerror(bp, -EIO);
+       xfs_buf_ioend(bp);
+
+       /* abort the corrupt inode, as it was not attached to the buffer */
        xfs_iflush_abort(cip, false);
        kmem_free(cilist);
        xfs_perag_put(pag);
@@ -3486,12 +3470,17 @@ xfs_iflush(
                xfs_log_force(mp, 0);
 
        /*
-        * inode clustering:
-        * see if other inodes can be gathered into this write
+        * inode clustering: try to gather other inodes into this write
+        *
+        * Note: Any error during clustering will result in the filesystem
+        * being shut down and completion callbacks run on the cluster buffer.
+        * As we have already flushed and attached this inode to the buffer,
+        * it has already been aborted and released by xfs_iflush_cluster() and
+        * so we have no further error handling to do here.
         */
        error = xfs_iflush_cluster(ip, bp);
        if (error)
-               goto cluster_corrupt_out;
+               return error;
 
        *bpp = bp;
        return 0;
@@ -3500,12 +3489,8 @@ corrupt_out:
        if (bp)
                xfs_buf_relse(bp);
        xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
-cluster_corrupt_out:
-       error = -EFSCORRUPTED;
 abort_out:
-       /*
-        * Unlocks the flush lock
-        */
+       /* abort the corrupt inode, as it was not attached to the buffer */
        xfs_iflush_abort(ip, false);
        return error;
 }
index 49f5492eed3bdb9d85c53843df03546c83f2c799..55876dd02f0c8c75fa5653eeab82881bd3741928 100644 (file)
@@ -963,12 +963,13 @@ xfs_ilock_for_iomap(
        unsigned                *lockmode)
 {
        unsigned                mode = XFS_ILOCK_SHARED;
+       bool                    is_write = flags & (IOMAP_WRITE | IOMAP_ZERO);
 
        /*
         * COW writes may allocate delalloc space or convert unwritten COW
         * extents, so we need to make sure to take the lock exclusively here.
         */
-       if (xfs_is_reflink_inode(ip) && (flags & (IOMAP_WRITE | IOMAP_ZERO))) {
+       if (xfs_is_reflink_inode(ip) && is_write) {
                /*
                 * FIXME: It could still overwrite on unshared extents and not
                 * need allocation.
@@ -989,6 +990,7 @@ xfs_ilock_for_iomap(
                mode = XFS_ILOCK_EXCL;
        }
 
+relock:
        if (flags & IOMAP_NOWAIT) {
                if (!xfs_ilock_nowait(ip, mode))
                        return -EAGAIN;
@@ -996,6 +998,17 @@ xfs_ilock_for_iomap(
                xfs_ilock(ip, mode);
        }
 
+       /*
+        * The reflink iflag could have changed since the earlier unlocked
+        * check, so if we got ILOCK_SHARED for a write and but we're now a
+        * reflink inode we have to switch to ILOCK_EXCL and relock.
+        */
+       if (mode == XFS_ILOCK_SHARED && is_write && xfs_is_reflink_inode(ip)) {
+               xfs_iunlock(ip, mode);
+               mode = XFS_ILOCK_EXCL;
+               goto relock;
+       }
+
        *lockmode = mode;
        return 0;
 }
index e040af120b69b3a69b38517cde3092773b391260..524f543c5b820fe45de5866cd950509190a74612 100644 (file)
@@ -258,7 +258,12 @@ xfs_trans_alloc(
        if (!(flags & XFS_TRANS_NO_WRITECOUNT))
                sb_start_intwrite(mp->m_super);
 
-       WARN_ON(mp->m_super->s_writers.frozen == SB_FREEZE_COMPLETE);
+       /*
+        * Zero-reservation ("empty") transactions can't modify anything, so
+        * they're allowed to run while we're frozen.
+        */
+       WARN_ON(resp->tr_logres > 0 &&
+               mp->m_super->s_writers.frozen == SB_FREEZE_COMPLETE);
        atomic_inc(&mp->m_active_trans);
 
        tp = kmem_zone_zalloc(xfs_trans_zone,
index cc414db9da0ad6758f696d0de2a251ce99d8d301..482461d8931d9186c4a11b7b2d9a24f981a595bc 100644 (file)
@@ -245,7 +245,8 @@ ssize_t af_alg_sendpage(struct socket *sock, struct page *page,
                        int offset, size_t size, int flags);
 void af_alg_free_resources(struct af_alg_async_req *areq);
 void af_alg_async_cb(struct crypto_async_request *_req, int err);
-__poll_t af_alg_poll_mask(struct socket *sock, __poll_t events);
+__poll_t af_alg_poll(struct file *file, struct socket *sock,
+                        poll_table *wait);
 struct af_alg_async_req *af_alg_alloc_areq(struct sock *sk,
                                           unsigned int areqlen);
 int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags,
index 9564597cbfac59aa1837d4de80a2f1c18d64cd7f..0aa1d9c3e0b968479af93c764b438f9ae35bece3 100644 (file)
 #define IMX6UL_CLK_CSI_PODF            222
 #define IMX6UL_CLK_PLL3_120M           223
 #define IMX6UL_CLK_KPP                 224
-#define IMX6UL_CLK_CKO1_SEL            225
-#define IMX6UL_CLK_CKO1_PODF           226
-#define IMX6UL_CLK_CKO1                        227
-#define IMX6UL_CLK_CKO2_SEL            228
-#define IMX6UL_CLK_CKO2_PODF           229
-#define IMX6UL_CLK_CKO2                        230
-#define IMX6UL_CLK_CKO                 231
-
-/* For i.MX6ULL */
-#define IMX6ULL_CLK_ESAI_PRED          232
-#define IMX6ULL_CLK_ESAI_PODF          233
-#define IMX6ULL_CLK_ESAI_EXTAL         234
-#define IMX6ULL_CLK_ESAI_MEM           235
-#define IMX6ULL_CLK_ESAI_IPG           236
-#define IMX6ULL_CLK_DCP_CLK            237
-#define IMX6ULL_CLK_EPDC_PRE_SEL       238
-#define IMX6ULL_CLK_EPDC_SEL           239
-#define IMX6ULL_CLK_EPDC_PODF          240
-#define IMX6ULL_CLK_EPDC_ACLK          241
-#define IMX6ULL_CLK_EPDC_PIX           242
-#define IMX6ULL_CLK_ESAI_SEL           243
+#define IMX6ULL_CLK_ESAI_PRED          225
+#define IMX6ULL_CLK_ESAI_PODF          226
+#define IMX6ULL_CLK_ESAI_EXTAL         227
+#define IMX6ULL_CLK_ESAI_MEM           228
+#define IMX6ULL_CLK_ESAI_IPG           229
+#define IMX6ULL_CLK_DCP_CLK            230
+#define IMX6ULL_CLK_EPDC_PRE_SEL       231
+#define IMX6ULL_CLK_EPDC_SEL           232
+#define IMX6ULL_CLK_EPDC_PODF          233
+#define IMX6ULL_CLK_EPDC_ACLK          234
+#define IMX6ULL_CLK_EPDC_PIX           235
+#define IMX6ULL_CLK_ESAI_SEL           236
+#define IMX6UL_CLK_CKO1_SEL            237
+#define IMX6UL_CLK_CKO1_PODF           238
+#define IMX6UL_CLK_CKO1                        239
+#define IMX6UL_CLK_CKO2_SEL            240
+#define IMX6UL_CLK_CKO2_PODF           241
+#define IMX6UL_CLK_CKO2                        242
+#define IMX6UL_CLK_CKO                 243
 #define IMX6UL_CLK_END                 244
 
 #endif /* __DT_BINDINGS_CLOCK_IMX6UL_H */
index 4b35a66383f983f5594f3b71885145d6b1b101ef..e54f40974eb04ca516987ac3df89b0997b5ca0dd 100644 (file)
@@ -443,6 +443,9 @@ int acpi_check_resource_conflict(const struct resource *res);
 int acpi_check_region(resource_size_t start, resource_size_t n,
                      const char *name);
 
+acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
+                               u32 level);
+
 int acpi_resources_are_enforced(void);
 
 #ifdef CONFIG_HIBERNATION
index 9154570edf2963628f873d7404930450735ff41a..79226ca8f80f2db7f813cf63973c61288c1b78ab 100644 (file)
@@ -1119,8 +1119,8 @@ static inline unsigned int blk_max_size_offset(struct request_queue *q,
        if (!q->limits.chunk_sectors)
                return q->limits.max_sectors;
 
-       return q->limits.chunk_sectors -
-                       (offset & (q->limits.chunk_sectors - 1));
+       return min(q->limits.max_sectors, (unsigned int)(q->limits.chunk_sectors -
+                       (offset & (q->limits.chunk_sectors - 1))));
 }
 
 static inline unsigned int blk_rq_get_max_sectors(struct request *rq,
index 975fb4cf1bb743ccff5fae92e82df582533c0ff2..79795c5fa7c37d3281fdc006ac701a4cb17c4cf6 100644 (file)
@@ -188,12 +188,38 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
                                                                              \
        __ret;                                                                \
 })
+int cgroup_bpf_prog_attach(const union bpf_attr *attr,
+                          enum bpf_prog_type ptype, struct bpf_prog *prog);
+int cgroup_bpf_prog_detach(const union bpf_attr *attr,
+                          enum bpf_prog_type ptype);
+int cgroup_bpf_prog_query(const union bpf_attr *attr,
+                         union bpf_attr __user *uattr);
 #else
 
+struct bpf_prog;
 struct cgroup_bpf {};
 static inline void cgroup_bpf_put(struct cgroup *cgrp) {}
 static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }
 
+static inline int cgroup_bpf_prog_attach(const union bpf_attr *attr,
+                                        enum bpf_prog_type ptype,
+                                        struct bpf_prog *prog)
+{
+       return -EINVAL;
+}
+
+static inline int cgroup_bpf_prog_detach(const union bpf_attr *attr,
+                                        enum bpf_prog_type ptype)
+{
+       return -EINVAL;
+}
+
+static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
+                                       union bpf_attr __user *uattr)
+{
+       return -EINVAL;
+}
+
 #define cgroup_bpf_enabled (0)
 #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
 #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
index 7df32a3200f740b0a00a85615938178547bb5690..8827e797ff97d0973ddf1d4217a885cee9bb63ee 100644 (file)
@@ -696,6 +696,8 @@ static inline void bpf_map_offload_map_free(struct bpf_map *map)
 struct sock  *__sock_map_lookup_elem(struct bpf_map *map, u32 key);
 struct sock  *__sock_hash_lookup_elem(struct bpf_map *map, void *key);
 int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type);
+int sockmap_get_from_fd(const union bpf_attr *attr, int type,
+                       struct bpf_prog *prog);
 #else
 static inline struct sock  *__sock_map_lookup_elem(struct bpf_map *map, u32 key)
 {
@@ -714,6 +716,12 @@ static inline int sock_map_prog(struct bpf_map *map,
 {
        return -EOPNOTSUPP;
 }
+
+static inline int sockmap_get_from_fd(const union bpf_attr *attr, int type,
+                                     struct bpf_prog *prog)
+{
+       return -EINVAL;
+}
 #endif
 
 #if defined(CONFIG_XDP_SOCKETS)
index 5f8a4283092d0a6960fd663a33832221a9615353..9d9ff755ec2972cf6e46d1905e1a5caae9dd5ae6 100644 (file)
@@ -5,11 +5,12 @@
 #include <uapi/linux/bpf.h>
 
 #ifdef CONFIG_BPF_LIRC_MODE2
-int lirc_prog_attach(const union bpf_attr *attr);
+int lirc_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog);
 int lirc_prog_detach(const union bpf_attr *attr);
 int lirc_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr);
 #else
-static inline int lirc_prog_attach(const union bpf_attr *attr)
+static inline int lirc_prog_attach(const union bpf_attr *attr,
+                                  struct bpf_prog *prog)
 {
        return -EINVAL;
 }
index b1a5562b3215b71302422b7a727bbb2cf499d8f3..c68acc47da57b6a7bef7b8ef84a9c897d4b83ce6 100644 (file)
@@ -72,6 +72,9 @@
  */
 #ifndef COMPAT_SYSCALL_DEFINEx
 #define COMPAT_SYSCALL_DEFINEx(x, name, ...)                                   \
+       __diag_push();                                                          \
+       __diag_ignore(GCC, 8, "-Wattribute-alias",                              \
+                     "Type aliasing is used to sanitize syscall arguments");\
        asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));       \
        asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))        \
                __attribute__((alias(__stringify(__se_compat_sys##name))));     \
        asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));  \
        asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))   \
        {                                                                       \
-               return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
+               long ret = __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
+               __MAP(x,__SC_TEST,__VA_ARGS__);                                 \
+               return ret;                                                     \
        }                                                                       \
+       __diag_pop();                                                           \
        static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
 #endif /* COMPAT_SYSCALL_DEFINEx */
 
index f1a7492a5cc8cc59813734d1b258dbaf04bf76c8..573f5a7d42d4fc9d1cbeecd6deb019d8d6b4d983 100644 (file)
 #define __must_be_array(a)     BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
 #endif
 
+/*
+ * Feature detection for gnu_inline (gnu89 extern inline semantics). Either
+ * __GNUC_STDC_INLINE__ is defined (not using gnu89 extern inline semantics,
+ * and we opt in to the gnu89 semantics), or __GNUC_STDC_INLINE__ is not
+ * defined so the gnu89 semantics are the default.
+ */
+#ifdef __GNUC_STDC_INLINE__
+# define __gnu_inline  __attribute__((gnu_inline))
+#else
+# define __gnu_inline
+#endif
+
 /*
  * Force always-inline if the user requests it so via the .config,
  * or if gcc is too old.
  * -Wunused-function.  This turns out to avoid the need for complex #ifdef
  * directives.  Suppress the warning in clang as well by using "unused"
  * function attribute, which is redundant but not harmful for gcc.
+ * Prefer gnu_inline, so that extern inline functions do not emit an
+ * externally visible function. This makes extern inline behave as per gnu89
+ * semantics rather than c99. This prevents multiple symbol definition errors
+ * of extern inline functions at link time.
+ * A lot of inline functions can cause havoc with function tracing.
  */
 #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) ||               \
     !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4)
-#define inline inline          __attribute__((always_inline,unused)) notrace
-#define __inline__ __inline__  __attribute__((always_inline,unused)) notrace
-#define __inline __inline      __attribute__((always_inline,unused)) notrace
+#define inline \
+       inline __attribute__((always_inline, unused)) notrace __gnu_inline
 #else
-/* A lot of inline functions can cause havoc with function tracing */
-#define inline inline          __attribute__((unused)) notrace
-#define __inline__ __inline__  __attribute__((unused)) notrace
-#define __inline __inline      __attribute__((unused)) notrace
+#define inline inline          __attribute__((unused)) notrace __gnu_inline
 #endif
 
+#define __inline__ inline
+#define __inline inline
 #define __always_inline        inline __attribute__((always_inline))
 #define  noinline      __attribute__((noinline))
 
 #if GCC_VERSION >= 50100
 #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
 #endif
+
+/*
+ * Turn individual warnings and errors on and off locally, depending
+ * on version.
+ */
+#define __diag_GCC(version, severity, s) \
+       __diag_GCC_ ## version(__diag_GCC_ ## severity s)
+
+/* Severity used in pragma directives */
+#define __diag_GCC_ignore      ignored
+#define __diag_GCC_warn                warning
+#define __diag_GCC_error       error
+
+/* Compilers before gcc-4.6 do not understand "#pragma GCC diagnostic push" */
+#if GCC_VERSION >= 40600
+#define __diag_str1(s)         #s
+#define __diag_str(s)          __diag_str1(s)
+#define __diag(s)              _Pragma(__diag_str(GCC diagnostic s))
+#endif
+
+#if GCC_VERSION >= 80000
+#define __diag_GCC_8(s)                __diag(s)
+#else
+#define __diag_GCC_8(s)
+#endif
index 6b79a9bba9a7630eb0b3a8fe35251d41717a2da0..a8ba6b04152c13c9ca2960898cd6ea4e89d37957 100644 (file)
@@ -271,4 +271,22 @@ struct ftrace_likely_data {
 # define __native_word(t) (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
 #endif
 
+#ifndef __diag
+#define __diag(string)
+#endif
+
+#ifndef __diag_GCC
+#define __diag_GCC(version, severity, string)
+#endif
+
+#define __diag_push()  __diag(push)
+#define __diag_pop()   __diag(pop)
+
+#define __diag_ignore(compiler, version, option, comment) \
+       __diag_ ## compiler(version, ignore, option)
+#define __diag_warn(compiler, version, option, comment) \
+       __diag_ ## compiler(version, warn, option)
+#define __diag_error(compiler, version, option, comment) \
+       __diag_ ## compiler(version, error, option)
+
 #endif /* __LINUX_COMPILER_TYPES_H */
index 3855e3800f483e07cc4c16e68f6a1f2780de1b3e..deb0f663252fc55e39546c7d3107e96dfb3f03ae 100644 (file)
@@ -135,7 +135,7 @@ void dax_flush(struct dax_device *dax_dev, void *addr, size_t size);
 
 ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
                const struct iomap_ops *ops);
-int dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
+vm_fault_t dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
                    pfn_t *pfnp, int *errp, const struct iomap_ops *ops);
 vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf,
                enum page_entry_size pe_size, pfn_t pfn);
index b615df57b7d5b2ccb468c411c3a2aae103cd2aea..300baad62c889100722b1778a7c4819a16fbe2d1 100644 (file)
@@ -470,16 +470,16 @@ struct sock_fprog_kern {
 };
 
 struct bpf_binary_header {
-       u16 pages;
-       u16 locked:1;
-       u8 image[];
+       u32 pages;
+       /* Some arches need word alignment for their instructions */
+       u8 image[] __aligned(4);
 };
 
 struct bpf_prog {
        u16                     pages;          /* Number of allocated pages */
        u16                     jited:1,        /* Is our filter JIT'ed? */
                                jit_requested:1,/* archs need to JIT the prog */
-                               locked:1,       /* Program image locked? */
+                               undo_set_mem:1, /* Passed set_memory_ro() checkpoint */
                                gpl_compatible:1, /* Is filter GPL compatible? */
                                cb_access:1,    /* Is control block accessed? */
                                dst_needed:1,   /* Do we need dst entry? */
@@ -675,46 +675,24 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default)
 
 static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
 {
-#ifdef CONFIG_ARCH_HAS_SET_MEMORY
-       fp->locked = 1;
-       if (set_memory_ro((unsigned long)fp, fp->pages))
-               fp->locked = 0;
-#endif
+       fp->undo_set_mem = 1;
+       set_memory_ro((unsigned long)fp, fp->pages);
 }
 
 static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
 {
-#ifdef CONFIG_ARCH_HAS_SET_MEMORY
-       if (fp->locked) {
-               WARN_ON_ONCE(set_memory_rw((unsigned long)fp, fp->pages));
-               /* In case set_memory_rw() fails, we want to be the first
-                * to crash here instead of some random place later on.
-                */
-               fp->locked = 0;
-       }
-#endif
+       if (fp->undo_set_mem)
+               set_memory_rw((unsigned long)fp, fp->pages);
 }
 
 static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
 {
-#ifdef CONFIG_ARCH_HAS_SET_MEMORY
-       hdr->locked = 1;
-       if (set_memory_ro((unsigned long)hdr, hdr->pages))
-               hdr->locked = 0;
-#endif
+       set_memory_ro((unsigned long)hdr, hdr->pages);
 }
 
 static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr)
 {
-#ifdef CONFIG_ARCH_HAS_SET_MEMORY
-       if (hdr->locked) {
-               WARN_ON_ONCE(set_memory_rw((unsigned long)hdr, hdr->pages));
-               /* In case set_memory_rw() fails, we want to be the first
-                * to crash here instead of some random place later on.
-                */
-               hdr->locked = 0;
-       }
-#endif
+       set_memory_rw((unsigned long)hdr, hdr->pages);
 }
 
 static inline struct bpf_binary_header *
@@ -726,22 +704,6 @@ bpf_jit_binary_hdr(const struct bpf_prog *fp)
        return (void *)addr;
 }
 
-#ifdef CONFIG_ARCH_HAS_SET_MEMORY
-static inline int bpf_prog_check_pages_ro_single(const struct bpf_prog *fp)
-{
-       if (!fp->locked)
-               return -ENOLCK;
-       if (fp->jited) {
-               const struct bpf_binary_header *hdr = bpf_jit_binary_hdr(fp);
-
-               if (!hdr->locked)
-                       return -ENOLCK;
-       }
-
-       return 0;
-}
-#endif
-
 int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
 static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
 {
index 5c91108846db20894ab70dafe43b7922fe08fb1f..d78d146a98da95c9c76417f8196f24be515df612 100644 (file)
@@ -1720,8 +1720,6 @@ struct file_operations {
        int (*iterate) (struct file *, struct dir_context *);
        int (*iterate_shared) (struct file *, struct dir_context *);
        __poll_t (*poll) (struct file *, struct poll_table_struct *);
-       struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
-       __poll_t (*poll_mask) (struct file *, __poll_t);
        long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
        long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
        int (*mmap) (struct file *, struct vm_area_struct *);
index 8154f4920fcb9de96a24ec7b85d9b92f56968122..ebb77674be90cfff4466667c7bb62c121db5a235 100644 (file)
@@ -223,7 +223,6 @@ extern enum ftrace_tracing_type_t ftrace_tracing_type;
  */
 int register_ftrace_function(struct ftrace_ops *ops);
 int unregister_ftrace_function(struct ftrace_ops *ops);
-void clear_ftrace_function(void);
 
 extern void ftrace_stub(unsigned long a0, unsigned long a1,
                        struct ftrace_ops *op, struct pt_regs *regs);
@@ -239,7 +238,6 @@ static inline int ftrace_nr_registered_ops(void)
 {
        return 0;
 }
-static inline void clear_ftrace_function(void) { }
 static inline void ftrace_kill(void) { }
 static inline void ftrace_free_init_mem(void) { }
 static inline void ftrace_free_mem(struct module *mod, void *start, void *end) { }
index 41a3d5775394fed48e7b880317eaf6c1944c2817..773bcb1d4044ed2d83d4a1504f951951fa639d94 100644 (file)
@@ -511,6 +511,7 @@ struct hid_output_fifo {
 #define HID_STAT_ADDED         BIT(0)
 #define HID_STAT_PARSED                BIT(1)
 #define HID_STAT_DUP_DETECTED  BIT(2)
+#define HID_STAT_REPROBED      BIT(3)
 
 struct hid_input {
        struct list_head list;
@@ -579,7 +580,7 @@ struct hid_device {                                                 /* device report descriptor */
        bool battery_avoid_query;
 #endif
 
-       unsigned int status;                                            /* see STAT flags above */
+       unsigned long status;                                           /* see STAT flags above */
        unsigned claimed;                                               /* Claimed by hidinput, hiddev? */
        unsigned quirks;                                                /* Various quirks the device can pull on us */
        bool io_started;                                                /* If IO has started */
index 767467d886de4d53f5f5b862614b3f1644a5ecfa..67c75372b6915289e6d0876ac21368c89eb3896a 100644 (file)
@@ -141,7 +141,7 @@ int iio_dma_buffer_read(struct iio_buffer *buffer, size_t n,
        char __user *user_buffer);
 size_t iio_dma_buffer_data_available(struct iio_buffer *buffer);
 int iio_dma_buffer_set_bytes_per_datum(struct iio_buffer *buffer, size_t bpd);
-int iio_dma_buffer_set_length(struct iio_buffer *buffer, int length);
+int iio_dma_buffer_set_length(struct iio_buffer *buffer, unsigned int length);
 int iio_dma_buffer_request_update(struct iio_buffer *buffer);
 
 int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
index d7188de4db968c14c5db1a44fca6421aec22d041..3f4bf60b0bb55c4d9d2708593d2439aec269f9c9 100644 (file)
@@ -100,7 +100,7 @@ static inline bool input_is_mt_axis(int axis)
        return axis == ABS_MT_SLOT || input_is_mt_value(axis);
 }
 
-void input_mt_report_slot_state(struct input_dev *dev,
+bool input_mt_report_slot_state(struct input_dev *dev,
                                unsigned int tool_type, bool active);
 
 void input_mt_report_finger_count(struct input_dev *dev, int count);
index 2803264c512f8f6bf80dffc462c4a7ab079ce5f3..c1961761311dbfd5968d6ed64ea91ca3c7d25b0e 100644 (file)
@@ -62,7 +62,6 @@ void *kthread_probe_data(struct task_struct *k);
 int kthread_park(struct task_struct *k);
 void kthread_unpark(struct task_struct *k);
 void kthread_parkme(void);
-void kthread_park_complete(struct task_struct *k);
 
 int kthreadd(void *unused);
 extern struct task_struct *kthreadd_task;
index 8b8946dd63b9d4df3d08c5051604fce0fc147be1..32f247cb5e9ea0c107970d31f135c903dfd04c55 100644 (file)
@@ -210,6 +210,7 @@ enum {
        ATA_FLAG_SLAVE_POSS     = (1 << 0), /* host supports slave dev */
                                            /* (doesn't imply presence) */
        ATA_FLAG_SATA           = (1 << 1),
+       ATA_FLAG_NO_LPM         = (1 << 2), /* host not happy with LPM */
        ATA_FLAG_NO_LOG_PAGE    = (1 << 5), /* do not issue log page read */
        ATA_FLAG_NO_ATAPI       = (1 << 6), /* No ATAPI support */
        ATA_FLAG_PIO_DMA        = (1 << 7), /* PIO cmds via DMA */
@@ -1495,6 +1496,29 @@ static inline bool ata_tag_valid(unsigned int tag)
        return tag < ATA_MAX_QUEUE || ata_tag_internal(tag);
 }
 
+#define __ata_qc_for_each(ap, qc, tag, max_tag, fn)            \
+       for ((tag) = 0; (tag) < (max_tag) &&                    \
+            ({ qc = fn((ap), (tag)); 1; }); (tag)++)           \
+
+/*
+ * Internal use only, iterate commands ignoring error handling and
+ * status of 'qc'.
+ */
+#define ata_qc_for_each_raw(ap, qc, tag)                                       \
+       __ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE, __ata_qc_from_tag)
+
+/*
+ * Iterate all potential commands that can be queued
+ */
+#define ata_qc_for_each(ap, qc, tag)                                   \
+       __ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE, ata_qc_from_tag)
+
+/*
+ * Like ata_qc_for_each, but with the internal tag included
+ */
+#define ata_qc_for_each_with_internal(ap, qc, tag)                     \
+       __ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE + 1, ata_qc_from_tag)
+
 /*
  * device helpers
  */
index d3c9db492b30065750726992ba1001c48153232b..fab5121ffb8f5de2b5f39b6a0a7e43cca4b047e0 100644 (file)
@@ -8,6 +8,8 @@
 
 #include <linux/mlx5/driver.h>
 
+#define MLX5_ESWITCH_MANAGER(mdev) MLX5_CAP_GEN(mdev, eswitch_manager)
+
 enum {
        SRIOV_NONE,
        SRIOV_LEGACY,
index 27134c4fcb76eb5140ff4828066e73e11d671cd9..ac281f5ec9b8077ba859f33eaf61e3f03ecdeb3d 100644 (file)
@@ -922,7 +922,7 @@ struct mlx5_ifc_cmd_hca_cap_bits {
        u8         vnic_env_queue_counters[0x1];
        u8         ets[0x1];
        u8         nic_flow_table[0x1];
-       u8         eswitch_flow_table[0x1];
+       u8         eswitch_manager[0x1];
        u8         device_memory[0x1];
        u8         mcam_reg[0x1];
        u8         pcam_reg[0x1];
index 08b6eb964dd6865af3e1a7079a54b1e99f77e077..6554d3ba4396b3df49acac934ad16eeb71a695f4 100644 (file)
@@ -147,7 +147,6 @@ struct proto_ops {
        int             (*getname)   (struct socket *sock,
                                      struct sockaddr *addr,
                                      int peer);
-       __poll_t        (*poll_mask) (struct socket *sock, __poll_t events);
        __poll_t        (*poll)      (struct file *file, struct socket *sock,
                                      struct poll_table_struct *wait);
        int             (*ioctl)     (struct socket *sock, unsigned int cmd,
index 3ec9850c7936f01c0f7564dbe519e95ce0849639..3d0cc0b5cec2d7514dbebf32effab9b1e6388c3c 100644 (file)
@@ -2789,11 +2789,31 @@ static inline void skb_gro_flush_final(struct sk_buff *skb, struct sk_buff **pp,
        if (PTR_ERR(pp) != -EINPROGRESS)
                NAPI_GRO_CB(skb)->flush |= flush;
 }
+static inline void skb_gro_flush_final_remcsum(struct sk_buff *skb,
+                                              struct sk_buff **pp,
+                                              int flush,
+                                              struct gro_remcsum *grc)
+{
+       if (PTR_ERR(pp) != -EINPROGRESS) {
+               NAPI_GRO_CB(skb)->flush |= flush;
+               skb_gro_remcsum_cleanup(skb, grc);
+               skb->remcsum_offload = 0;
+       }
+}
 #else
 static inline void skb_gro_flush_final(struct sk_buff *skb, struct sk_buff **pp, int flush)
 {
        NAPI_GRO_CB(skb)->flush |= flush;
 }
+static inline void skb_gro_flush_final_remcsum(struct sk_buff *skb,
+                                              struct sk_buff **pp,
+                                              int flush,
+                                              struct gro_remcsum *grc)
+{
+       NAPI_GRO_CB(skb)->flush |= flush;
+       skb_gro_remcsum_cleanup(skb, grc);
+       skb->remcsum_offload = 0;
+}
 #endif
 
 static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
index 9206a4fef9ac151905a825700c6ae7477d7cbd88..cb8d84090cfb7adb478d156727279aa48686d816 100644 (file)
@@ -234,7 +234,7 @@ struct generic_pm_domain *of_genpd_remove_last(struct device_node *np);
 int of_genpd_parse_idle_states(struct device_node *dn,
                               struct genpd_power_state **states, int *n);
 unsigned int of_genpd_opp_to_performance_state(struct device *dev,
-                               struct device_node *opp_node);
+                               struct device_node *np);
 
 int genpd_dev_pm_attach(struct device *dev);
 struct device *genpd_dev_pm_attach_by_id(struct device *dev,
@@ -274,9 +274,9 @@ static inline int of_genpd_parse_idle_states(struct device_node *dn,
 
 static inline unsigned int
 of_genpd_opp_to_performance_state(struct device *dev,
-                                 struct device_node *opp_node)
+                                 struct device_node *np)
 {
-       return -ENODEV;
+       return 0;
 }
 
 static inline int genpd_dev_pm_attach(struct device *dev)
index fdf86b4cbc71bacca2795107532fb75e3855c0c9..7e0fdcf905d2e77b355c94a7381446927452723c 100644 (file)
@@ -74,18 +74,18 @@ static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc)
        pt->_key   = ~(__poll_t)0; /* all events enabled */
 }
 
-static inline bool file_has_poll_mask(struct file *file)
+static inline bool file_can_poll(struct file *file)
 {
-       return file->f_op->get_poll_head && file->f_op->poll_mask;
+       return file->f_op->poll;
 }
 
-static inline bool file_can_poll(struct file *file)
+static inline __poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)
 {
-       return file->f_op->poll || file_has_poll_mask(file);
+       if (unlikely(!file->f_op->poll))
+               return DEFAULT_POLLMASK;
+       return file->f_op->poll(file, pt);
 }
 
-__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt);
-
 struct poll_table_entry {
        struct file *filp;
        __poll_t key;
index 64125443f8a638e787adfbaebab4755f5d63852a..5ef5c7c412a75b5f24e276563d278be8ced3b212 100644 (file)
@@ -354,6 +354,8 @@ struct rmi_driver_data {
        struct mutex irq_mutex;
        struct input_dev *input;
 
+       struct irq_domain *irqdomain;
+
        u8 pdt_props;
 
        u8 num_rx_electrodes;
index 51f52020ad5fdd44ab4fdfa6ad2e0063c4780947..093aa57120b0cf1f40c2a75f28612331c6e6f6e0 100644 (file)
@@ -9,9 +9,6 @@
 #include <asm/io.h>
 
 struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-       unsigned long   sg_magic;
-#endif
        unsigned long   page_link;
        unsigned int    offset;
        unsigned int    length;
@@ -64,7 +61,6 @@ struct sg_table {
  *
  */
 
-#define SG_MAGIC       0x87654321
 #define SG_CHAIN       0x01UL
 #define SG_END         0x02UL
 
@@ -98,7 +94,6 @@ static inline void sg_assign_page(struct scatterlist *sg, struct page *page)
         */
        BUG_ON((unsigned long) page & (SG_CHAIN | SG_END));
 #ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
        BUG_ON(sg_is_chain(sg));
 #endif
        sg->page_link = page_link | (unsigned long) page;
@@ -129,7 +124,6 @@ static inline void sg_set_page(struct scatterlist *sg, struct page *page,
 static inline struct page *sg_page(struct scatterlist *sg)
 {
 #ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
        BUG_ON(sg_is_chain(sg));
 #endif
        return (struct page *)((sg)->page_link & ~(SG_CHAIN | SG_END));
@@ -195,9 +189,6 @@ static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
  **/
 static inline void sg_mark_end(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        /*
         * Set termination bit, clear potential chain bit
         */
@@ -215,9 +206,6 @@ static inline void sg_mark_end(struct scatterlist *sg)
  **/
 static inline void sg_unmark_end(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        sg->page_link &= ~SG_END;
 }
 
@@ -260,12 +248,6 @@ static inline void *sg_virt(struct scatterlist *sg)
 static inline void sg_init_marker(struct scatterlist *sgl,
                                  unsigned int nents)
 {
-#ifdef CONFIG_DEBUG_SG
-       unsigned int i;
-
-       for (i = 0; i < nents; i++)
-               sgl[i].sg_magic = SG_MAGIC;
-#endif
        sg_mark_end(&sgl[nents - 1]);
 }
 
index 9256118bd40c2bc74bd7bbcbcda8225214c8ab74..43731fe51c972ad6c3d6cb277ac940ec5a939023 100644 (file)
@@ -118,7 +118,7 @@ struct task_group;
  * the comment with set_special_state().
  */
 #define is_special_task_state(state)                           \
-       ((state) & (__TASK_STOPPED | __TASK_TRACED | TASK_DEAD))
+       ((state) & (__TASK_STOPPED | __TASK_TRACED | TASK_PARKED | TASK_DEAD))
 
 #define __set_current_state(state_value)                       \
        do {                                                    \
index c8688595499421d9f051366d4a85e5553751768e..164cdedf6012c1431c8e3324a5029c2cb1abe141 100644 (file)
@@ -3252,7 +3252,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags,
                                    int *peeked, int *off, int *err);
 struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock,
                                  int *err);
-__poll_t datagram_poll_mask(struct socket *sock, __poll_t events);
+__poll_t datagram_poll(struct file *file, struct socket *sock,
+                          struct poll_table_struct *wait);
 int skb_copy_datagram_iter(const struct sk_buff *from, int offset,
                           struct iov_iter *to, int size);
 static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset,
index 09fa2c6f0e68e69567b8b918cdda3f13f5ddaefa..3a1a1dbc6f49479f61f4c1a6588e6a672f0b0663 100644 (file)
@@ -155,8 +155,12 @@ struct kmem_cache {
 
 #ifdef CONFIG_SYSFS
 #define SLAB_SUPPORTS_SYSFS
+void sysfs_slab_unlink(struct kmem_cache *);
 void sysfs_slab_release(struct kmem_cache *);
 #else
+static inline void sysfs_slab_unlink(struct kmem_cache *s)
+{
+}
 static inline void sysfs_slab_release(struct kmem_cache *s)
 {
 }
index 73810808cdf266e5cdcfc1e0c6b3af126a0bf4b1..a368a68cb667f848c8a505aecb3b8b24df51b63a 100644 (file)
@@ -231,6 +231,9 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
  */
 #ifndef __SYSCALL_DEFINEx
 #define __SYSCALL_DEFINEx(x, name, ...)                                        \
+       __diag_push();                                                  \
+       __diag_ignore(GCC, 8, "-Wattribute-alias",                      \
+                     "Type aliasing is used to sanitize syscall arguments");\
        asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))       \
                __attribute__((alias(__stringify(__se_sys##name))));    \
        ALLOW_ERROR_INJECTION(sys##name, ERRNO);                        \
@@ -243,6 +246,7 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
                __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__));       \
                return ret;                                             \
        }                                                               \
+       __diag_pop();                                                   \
        static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
 #endif /* __SYSCALL_DEFINEx */
 
index 6c5f2074e14f36d1368e1723394d4da9ef0cf3ae..6f8b68cd460f8c2b0aff758848a5de5a3ad65d6c 100644 (file)
@@ -75,7 +75,7 @@ struct uio_device {
         struct fasync_struct    *async_queue;
         wait_queue_head_t       wait;
         struct uio_info         *info;
-       spinlock_t              info_lock;
+       struct mutex            info_lock;
         struct kobject          *map_dir;
         struct kobject          *portio_dir;
 };
index 53ce8176c31306deaf9c2be5743546abe4d27b53..ec9d6bc658559c55b64ac3c1d23b4e1166cc4b04 100644 (file)
@@ -271,7 +271,7 @@ int  bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
                     int flags);
 int  bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
                            size_t len, int flags);
-__poll_t bt_sock_poll_mask(struct socket *sock, __poll_t events);
+__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
 int  bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int  bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
 int  bt_sock_wait_ready(struct sock *sk, unsigned long flags);
index b0eaeb02d46d14ceb87f6e62d4765959c8383a66..f4c21b5a1242baac0415b3dde8fbc30524690ee7 100644 (file)
@@ -153,6 +153,8 @@ struct iucv_sock_list {
        atomic_t          autobind_name;
 };
 
+__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
+                           poll_table *wait);
 void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
 void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
 void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
index 47e35cce3b648d696b127ed7bd643036128795f6..a71264d75d7f98d28f92dfd861ffe6e0d39c0198 100644 (file)
@@ -128,6 +128,7 @@ struct net {
 #endif
 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
        struct netns_nf_frag    nf_frag;
+       struct ctl_table_header *nf_frag_frags_hdr;
 #endif
        struct sock             *nfnl;
        struct sock             *nfnl_stash;
index c978a31b0f846210b4c2a369af960d5349b5395a..762ac9931b6251152b6ee0e5780df0f7b073f3e6 100644 (file)
@@ -109,7 +109,6 @@ struct netns_ipv6 {
 
 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
 struct netns_nf_frag {
-       struct netns_sysctl_ipv6 sysctl;
        struct netns_frags      frags;
 };
 #endif
index a3c1a2c47cd4bfd868004548cdf1ef7a361fa4c6..20b059574e600e64838b0bdecfaf6a76e6629d4a 100644 (file)
@@ -111,6 +111,11 @@ void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
 {
 }
 
+static inline bool tcf_block_shared(struct tcf_block *block)
+{
+       return false;
+}
+
 static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
 {
        return NULL;
index 30b3e2fe240a88e3396a8b3664fd879c93fd30bf..8c2caa370e0f683ea764bc0d72da6dfa93699673 100644 (file)
@@ -109,7 +109,8 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
 int sctp_inet_listen(struct socket *sock, int backlog);
 void sctp_write_space(struct sock *sk);
 void sctp_data_ready(struct sock *sk);
-__poll_t sctp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t sctp_poll(struct file *file, struct socket *sock,
+               poll_table *wait);
 void sctp_sock_rfree(struct sk_buff *skb);
 void sctp_copy_sock(struct sock *newsk, struct sock *sk,
                    struct sctp_association *asoc);
index 0448e7c5d2b4062f8ceecb5b38882385a1be7ead..800582b5dd54f46dc2a853f60994e26562ae1b28 100644 (file)
@@ -388,7 +388,8 @@ bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst);
 void tcp_close(struct sock *sk, long timeout);
 void tcp_init_sock(struct sock *sk);
 void tcp_init_transfer(struct sock *sk, int bpf_op);
-__poll_t tcp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t tcp_poll(struct file *file, struct socket *sock,
+                     struct poll_table_struct *wait);
 int tcp_getsockopt(struct sock *sk, int level, int optname,
                   char __user *optval, int __user *optlen);
 int tcp_setsockopt(struct sock *sk, int level, int optname,
index 7f84ea3e217cf5e3f78698ee63bc9dced179caed..70c273777fe9fe27b2ef1ba7c2c80970da8ea5c4 100644 (file)
@@ -109,7 +109,8 @@ struct tls_sw_context_rx {
 
        struct strparser strp;
        void (*saved_data_ready)(struct sock *sk);
-       __poll_t (*sk_poll_mask)(struct socket *sock, __poll_t events);
+       unsigned int (*sk_poll)(struct file *file, struct socket *sock,
+                               struct poll_table_struct *wait);
        struct sk_buff *recv_pkt;
        u8 control;
        bool decrypted;
@@ -224,7 +225,8 @@ void tls_sw_free_resources_tx(struct sock *sk);
 void tls_sw_free_resources_rx(struct sock *sk);
 int tls_sw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
                   int nonblock, int flags, int *addr_len);
-__poll_t tls_sw_poll_mask(struct socket *sock, __poll_t events);
+unsigned int tls_sw_poll(struct file *file, struct socket *sock,
+                        struct poll_table_struct *wait);
 ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos,
                           struct pipe_inode_info *pipe,
                           size_t len, unsigned int flags);
index b1ea8b0f5e6a8ce82602e593acd583170b4a6e73..81afdacd4fff04bd05335da85a7a06b1996282f8 100644 (file)
@@ -285,7 +285,7 @@ int udp_init_sock(struct sock *sk);
 int udp_pre_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
 int __udp_disconnect(struct sock *sk, int flags);
 int udp_disconnect(struct sock *sk, int flags);
-__poll_t udp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait);
 struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
                                       netdev_features_t features,
                                       bool is_ipv6);
index d00221345c1988ff59de79f47401903d560c55e0..3c5038b587ba0b3ab6064d5dd8a90e2e8c6bfeae 100644 (file)
@@ -39,8 +39,10 @@ enum {
        IOCB_CMD_PWRITE = 1,
        IOCB_CMD_FSYNC = 2,
        IOCB_CMD_FDSYNC = 3,
-       /* 4 was the experimental IOCB_CMD_PREADX */
-       IOCB_CMD_POLL = 5,
+       /* These two are experimental.
+        * IOCB_CMD_PREADX = 4,
+        * IOCB_CMD_POLL = 5,
+        */
        IOCB_CMD_NOOP = 6,
        IOCB_CMD_PREADV = 7,
        IOCB_CMD_PWRITEV = 8,
index 59b19b6a40d73ea6575f8810a6f4345a931c5a01..b7db3261c62d124760e98d9c851c1b01e64bdb03 100644 (file)
@@ -1857,7 +1857,8 @@ union bpf_attr {
  *             is resolved), the nexthop address is returned in ipv4_dst
  *             or ipv6_dst based on family, smac is set to mac address of
  *             egress device, dmac is set to nexthop mac address, rt_metric
- *             is set to metric from route (IPv4/IPv6 only).
+ *             is set to metric from route (IPv4/IPv6 only), and ifindex
+ *             is set to the device index of the nexthop from the FIB lookup.
  *
  *             *plen* argument is the size of the passed in struct.
  *             *flags* argument can be a combination of one or more of the
@@ -1873,9 +1874,10 @@ union bpf_attr {
  *             *ctx* is either **struct xdp_md** for XDP programs or
  *             **struct sk_buff** tc cls_act programs.
  *     Return
- *             Egress device index on success, 0 if packet needs to continue
- *             up the stack for further processing or a negative error in case
- *             of failure.
+ *             * < 0 if any input argument is invalid
+ *             *   0 on success (packet is forwarded, nexthop neighbor exists)
+ *             * > 0 one of **BPF_FIB_LKUP_RET_** codes explaining why the
+ *             *     packet is not forwarded or needs assist from full stack
  *
  * int bpf_sock_hash_update(struct bpf_sock_ops_kern *skops, struct bpf_map *map, void *key, u64 flags)
  *     Description
@@ -2612,6 +2614,18 @@ struct bpf_raw_tracepoint_args {
 #define BPF_FIB_LOOKUP_DIRECT  BIT(0)
 #define BPF_FIB_LOOKUP_OUTPUT  BIT(1)
 
+enum {
+       BPF_FIB_LKUP_RET_SUCCESS,      /* lookup successful */
+       BPF_FIB_LKUP_RET_BLACKHOLE,    /* dest is blackholed; can be dropped */
+       BPF_FIB_LKUP_RET_UNREACHABLE,  /* dest is unreachable; can be dropped */
+       BPF_FIB_LKUP_RET_PROHIBIT,     /* dest not allowed; can be dropped */
+       BPF_FIB_LKUP_RET_NOT_FWDED,    /* packet is not forwarded */
+       BPF_FIB_LKUP_RET_FWD_DISABLED, /* fwding is not enabled on ingress */
+       BPF_FIB_LKUP_RET_UNSUPP_LWT,   /* fwd requires encapsulation */
+       BPF_FIB_LKUP_RET_NO_NEIGH,     /* no neighbor entry for nh */
+       BPF_FIB_LKUP_RET_FRAG_NEEDED,  /* fragmentation required to fwd */
+};
+
 struct bpf_fib_lookup {
        /* input:  network family for lookup (AF_INET, AF_INET6)
         * output: network family of egress nexthop
@@ -2625,7 +2639,11 @@ struct bpf_fib_lookup {
 
        /* total length of packet from network header - used for MTU check */
        __u16   tot_len;
-       __u32   ifindex;  /* L3 device index for lookup */
+
+       /* input: L3 device index for lookup
+        * output: device index from FIB lookup
+        */
+       __u32   ifindex;
 
        union {
                /* inputs to lookup */
index 6e299349b15876d3302cc784576dd84cff6f1d66..b7b57967d90f09cd428d90e12b0035e3ecbcfc67 100644 (file)
@@ -44,6 +44,7 @@
 #define TCMU_MAILBOX_VERSION 2
 #define ALIGN_SIZE 64 /* Should be enough for most CPUs */
 #define TCMU_MAILBOX_FLAG_CAP_OOOC (1 << 0) /* Out-of-order completions */
+#define TCMU_MAILBOX_FLAG_CAP_READ_LEN (1 << 1) /* Read data length */
 
 struct tcmu_mailbox {
        __u16 version;
@@ -71,6 +72,7 @@ struct tcmu_cmd_entry_hdr {
        __u16 cmd_id;
        __u8 kflags;
 #define TCMU_UFLAG_UNKNOWN_OP 0x1
+#define TCMU_UFLAG_READ_LEN   0x2
        __u8 uflags;
 
 } __packed;
@@ -119,7 +121,7 @@ struct tcmu_cmd_entry {
                        __u8 scsi_status;
                        __u8 __pad1;
                        __u16 __pad2;
-                       __u32 __pad3;
+                       __u32 read_len;
                        char sense_buffer[TCMU_SENSE_BUFFERSIZE];
                } rsp;
        };
index fde3d09e8b27cef58d0c273c172bc6079f8b13e5..041f3a022122d559b8588c8c24c8db37756464de 100644 (file)
@@ -1051,10 +1051,9 @@ config LD_DEAD_CODE_DATA_ELIMINATION
        depends on HAVE_LD_DEAD_CODE_DATA_ELIMINATION
        depends on EXPERT
        help
-         Select this if the architecture wants to do dead code and
-         data elimination with the linker by compiling with
-         -ffunction-sections -fdata-sections, and linking with
-         --gc-sections.
+         Enable this if you want to do dead code and data elimination with
+         the linker by compiling with -ffunction-sections -fdata-sections,
+         and linking with --gc-sections.
 
          This can reduce on disk and in-memory size of the kernel
          code and static data, particularly for small configs and
index f7c00bd6f8e49ca9cc4e6ee323b01f718aebd9ec..3d83ee7df381b1def956b5e645376451d797440e 100644 (file)
@@ -428,6 +428,60 @@ int __cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr,
        return ret;
 }
 
+int cgroup_bpf_prog_attach(const union bpf_attr *attr,
+                          enum bpf_prog_type ptype, struct bpf_prog *prog)
+{
+       struct cgroup *cgrp;
+       int ret;
+
+       cgrp = cgroup_get_from_fd(attr->target_fd);
+       if (IS_ERR(cgrp))
+               return PTR_ERR(cgrp);
+
+       ret = cgroup_bpf_attach(cgrp, prog, attr->attach_type,
+                               attr->attach_flags);
+       cgroup_put(cgrp);
+       return ret;
+}
+
+int cgroup_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype)
+{
+       struct bpf_prog *prog;
+       struct cgroup *cgrp;
+       int ret;
+
+       cgrp = cgroup_get_from_fd(attr->target_fd);
+       if (IS_ERR(cgrp))
+               return PTR_ERR(cgrp);
+
+       prog = bpf_prog_get_type(attr->attach_bpf_fd, ptype);
+       if (IS_ERR(prog))
+               prog = NULL;
+
+       ret = cgroup_bpf_detach(cgrp, prog, attr->attach_type, 0);
+       if (prog)
+               bpf_prog_put(prog);
+
+       cgroup_put(cgrp);
+       return ret;
+}
+
+int cgroup_bpf_prog_query(const union bpf_attr *attr,
+                         union bpf_attr __user *uattr)
+{
+       struct cgroup *cgrp;
+       int ret;
+
+       cgrp = cgroup_get_from_fd(attr->query.target_fd);
+       if (IS_ERR(cgrp))
+               return PTR_ERR(cgrp);
+
+       ret = cgroup_bpf_query(cgrp, attr, uattr);
+
+       cgroup_put(cgrp);
+       return ret;
+}
+
 /**
  * __cgroup_bpf_run_filter_skb() - Run a program for packet filtering
  * @sk: The socket sending or receiving traffic
index a9e6c04d0f4ad5a105aa8aeff99058479131e9e1..1e5625d46414cc68efe372b2c6a8dab266a24dd6 100644 (file)
@@ -598,8 +598,6 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
        bpf_fill_ill_insns(hdr, size);
 
        hdr->pages = size / PAGE_SIZE;
-       hdr->locked = 0;
-
        hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)),
                     PAGE_SIZE - sizeof(*hdr));
        start = (get_random_int() % hole) & ~(alignment - 1);
@@ -1450,22 +1448,6 @@ static int bpf_check_tail_call(const struct bpf_prog *fp)
        return 0;
 }
 
-static int bpf_prog_check_pages_ro_locked(const struct bpf_prog *fp)
-{
-#ifdef CONFIG_ARCH_HAS_SET_MEMORY
-       int i, err;
-
-       for (i = 0; i < fp->aux->func_cnt; i++) {
-               err = bpf_prog_check_pages_ro_single(fp->aux->func[i]);
-               if (err)
-                       return err;
-       }
-
-       return bpf_prog_check_pages_ro_single(fp);
-#endif
-       return 0;
-}
-
 static void bpf_prog_select_func(struct bpf_prog *fp)
 {
 #ifndef CONFIG_BPF_JIT_ALWAYS_ON
@@ -1524,17 +1506,7 @@ finalize:
         * all eBPF JITs might immediately support all features.
         */
        *err = bpf_check_tail_call(fp);
-       if (*err)
-               return fp;
-
-       /* Checkpoint: at this point onwards any cBPF -> eBPF or
-        * native eBPF program is read-only. If we failed to change
-        * the page attributes (e.g. allocation failure from
-        * splitting large pages), then reject the whole program
-        * in order to guarantee not ending up with any W+X pages
-        * from BPF side in kernel.
-        */
-       *err = bpf_prog_check_pages_ro_locked(fp);
+
        return fp;
 }
 EXPORT_SYMBOL_GPL(bpf_prog_select_runtime);
index 52a91d816c0eb9a1f9fe96fd77b3ffefd6145149..cf7b6a6dbd1f3bc290eb3f740e46a63ab3eba116 100644 (file)
@@ -72,6 +72,7 @@ struct bpf_htab {
        u32 n_buckets;
        u32 elem_size;
        struct bpf_sock_progs progs;
+       struct rcu_head rcu;
 };
 
 struct htab_elem {
@@ -89,8 +90,8 @@ enum smap_psock_state {
 struct smap_psock_map_entry {
        struct list_head list;
        struct sock **entry;
-       struct htab_elem *hash_link;
-       struct bpf_htab *htab;
+       struct htab_elem __rcu *hash_link;
+       struct bpf_htab __rcu *htab;
 };
 
 struct smap_psock {
@@ -120,6 +121,7 @@ struct smap_psock {
        struct bpf_prog *bpf_parse;
        struct bpf_prog *bpf_verdict;
        struct list_head maps;
+       spinlock_t maps_lock;
 
        /* Back reference used when sock callback trigger sockmap operations */
        struct sock *sock;
@@ -140,6 +142,7 @@ static int bpf_tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 static int bpf_tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
 static int bpf_tcp_sendpage(struct sock *sk, struct page *page,
                            int offset, size_t size, int flags);
+static void bpf_tcp_close(struct sock *sk, long timeout);
 
 static inline struct smap_psock *smap_psock_sk(const struct sock *sk)
 {
@@ -161,7 +164,42 @@ out:
        return !empty;
 }
 
-static struct proto tcp_bpf_proto;
+enum {
+       SOCKMAP_IPV4,
+       SOCKMAP_IPV6,
+       SOCKMAP_NUM_PROTS,
+};
+
+enum {
+       SOCKMAP_BASE,
+       SOCKMAP_TX,
+       SOCKMAP_NUM_CONFIGS,
+};
+
+static struct proto *saved_tcpv6_prot __read_mostly;
+static DEFINE_SPINLOCK(tcpv6_prot_lock);
+static struct proto bpf_tcp_prots[SOCKMAP_NUM_PROTS][SOCKMAP_NUM_CONFIGS];
+static void build_protos(struct proto prot[SOCKMAP_NUM_CONFIGS],
+                        struct proto *base)
+{
+       prot[SOCKMAP_BASE]                      = *base;
+       prot[SOCKMAP_BASE].close                = bpf_tcp_close;
+       prot[SOCKMAP_BASE].recvmsg              = bpf_tcp_recvmsg;
+       prot[SOCKMAP_BASE].stream_memory_read   = bpf_tcp_stream_read;
+
+       prot[SOCKMAP_TX]                        = prot[SOCKMAP_BASE];
+       prot[SOCKMAP_TX].sendmsg                = bpf_tcp_sendmsg;
+       prot[SOCKMAP_TX].sendpage               = bpf_tcp_sendpage;
+}
+
+static void update_sk_prot(struct sock *sk, struct smap_psock *psock)
+{
+       int family = sk->sk_family == AF_INET6 ? SOCKMAP_IPV6 : SOCKMAP_IPV4;
+       int conf = psock->bpf_tx_msg ? SOCKMAP_TX : SOCKMAP_BASE;
+
+       sk->sk_prot = &bpf_tcp_prots[family][conf];
+}
+
 static int bpf_tcp_init(struct sock *sk)
 {
        struct smap_psock *psock;
@@ -181,14 +219,17 @@ static int bpf_tcp_init(struct sock *sk)
        psock->save_close = sk->sk_prot->close;
        psock->sk_proto = sk->sk_prot;
 
-       if (psock->bpf_tx_msg) {
-               tcp_bpf_proto.sendmsg = bpf_tcp_sendmsg;
-               tcp_bpf_proto.sendpage = bpf_tcp_sendpage;
-               tcp_bpf_proto.recvmsg = bpf_tcp_recvmsg;
-               tcp_bpf_proto.stream_memory_read = bpf_tcp_stream_read;
+       /* Build IPv6 sockmap whenever the address of tcpv6_prot changes */
+       if (sk->sk_family == AF_INET6 &&
+           unlikely(sk->sk_prot != smp_load_acquire(&saved_tcpv6_prot))) {
+               spin_lock_bh(&tcpv6_prot_lock);
+               if (likely(sk->sk_prot != saved_tcpv6_prot)) {
+                       build_protos(bpf_tcp_prots[SOCKMAP_IPV6], sk->sk_prot);
+                       smp_store_release(&saved_tcpv6_prot, sk->sk_prot);
+               }
+               spin_unlock_bh(&tcpv6_prot_lock);
        }
-
-       sk->sk_prot = &tcp_bpf_proto;
+       update_sk_prot(sk, psock);
        rcu_read_unlock();
        return 0;
 }
@@ -219,16 +260,54 @@ out:
        rcu_read_unlock();
 }
 
+static struct htab_elem *lookup_elem_raw(struct hlist_head *head,
+                                        u32 hash, void *key, u32 key_size)
+{
+       struct htab_elem *l;
+
+       hlist_for_each_entry_rcu(l, head, hash_node) {
+               if (l->hash == hash && !memcmp(&l->key, key, key_size))
+                       return l;
+       }
+
+       return NULL;
+}
+
+static inline struct bucket *__select_bucket(struct bpf_htab *htab, u32 hash)
+{
+       return &htab->buckets[hash & (htab->n_buckets - 1)];
+}
+
+static inline struct hlist_head *select_bucket(struct bpf_htab *htab, u32 hash)
+{
+       return &__select_bucket(htab, hash)->head;
+}
+
 static void free_htab_elem(struct bpf_htab *htab, struct htab_elem *l)
 {
        atomic_dec(&htab->count);
        kfree_rcu(l, rcu);
 }
 
+static struct smap_psock_map_entry *psock_map_pop(struct sock *sk,
+                                                 struct smap_psock *psock)
+{
+       struct smap_psock_map_entry *e;
+
+       spin_lock_bh(&psock->maps_lock);
+       e = list_first_entry_or_null(&psock->maps,
+                                    struct smap_psock_map_entry,
+                                    list);
+       if (e)
+               list_del(&e->list);
+       spin_unlock_bh(&psock->maps_lock);
+       return e;
+}
+
 static void bpf_tcp_close(struct sock *sk, long timeout)
 {
        void (*close_fun)(struct sock *sk, long timeout);
-       struct smap_psock_map_entry *e, *tmp;
+       struct smap_psock_map_entry *e;
        struct sk_msg_buff *md, *mtmp;
        struct smap_psock *psock;
        struct sock *osk;
@@ -247,7 +326,6 @@ static void bpf_tcp_close(struct sock *sk, long timeout)
         */
        close_fun = psock->save_close;
 
-       write_lock_bh(&sk->sk_callback_lock);
        if (psock->cork) {
                free_start_sg(psock->sock, psock->cork);
                kfree(psock->cork);
@@ -260,20 +338,38 @@ static void bpf_tcp_close(struct sock *sk, long timeout)
                kfree(md);
        }
 
-       list_for_each_entry_safe(e, tmp, &psock->maps, list) {
+       e = psock_map_pop(sk, psock);
+       while (e) {
                if (e->entry) {
                        osk = cmpxchg(e->entry, sk, NULL);
                        if (osk == sk) {
-                               list_del(&e->list);
                                smap_release_sock(psock, sk);
                        }
                } else {
-                       hlist_del_rcu(&e->hash_link->hash_node);
-                       smap_release_sock(psock, e->hash_link->sk);
-                       free_htab_elem(e->htab, e->hash_link);
+                       struct htab_elem *link = rcu_dereference(e->hash_link);
+                       struct bpf_htab *htab = rcu_dereference(e->htab);
+                       struct hlist_head *head;
+                       struct htab_elem *l;
+                       struct bucket *b;
+
+                       b = __select_bucket(htab, link->hash);
+                       head = &b->head;
+                       raw_spin_lock_bh(&b->lock);
+                       l = lookup_elem_raw(head,
+                                           link->hash, link->key,
+                                           htab->map.key_size);
+                       /* If another thread deleted this object skip deletion.
+                        * The refcnt on psock may or may not be zero.
+                        */
+                       if (l) {
+                               hlist_del_rcu(&link->hash_node);
+                               smap_release_sock(psock, link->sk);
+                               free_htab_elem(htab, link);
+                       }
+                       raw_spin_unlock_bh(&b->lock);
                }
+               e = psock_map_pop(sk, psock);
        }
-       write_unlock_bh(&sk->sk_callback_lock);
        rcu_read_unlock();
        close_fun(sk, timeout);
 }
@@ -1111,8 +1207,7 @@ static void bpf_tcp_msg_add(struct smap_psock *psock,
 
 static int bpf_tcp_ulp_register(void)
 {
-       tcp_bpf_proto = tcp_prot;
-       tcp_bpf_proto.close = bpf_tcp_close;
+       build_protos(bpf_tcp_prots[SOCKMAP_IPV4], &tcp_prot);
        /* Once BPF TX ULP is registered it is never unregistered. It
         * will be in the ULP list for the lifetime of the system. Doing
         * duplicate registers is not a problem.
@@ -1357,7 +1452,9 @@ static void smap_release_sock(struct smap_psock *psock, struct sock *sock)
 {
        if (refcount_dec_and_test(&psock->refcnt)) {
                tcp_cleanup_ulp(sock);
+               write_lock_bh(&sock->sk_callback_lock);
                smap_stop_sock(psock, sock);
+               write_unlock_bh(&sock->sk_callback_lock);
                clear_bit(SMAP_TX_RUNNING, &psock->state);
                rcu_assign_sk_user_data(sock, NULL);
                call_rcu_sched(&psock->rcu, smap_destroy_psock);
@@ -1508,6 +1605,7 @@ static struct smap_psock *smap_init_psock(struct sock *sock, int node)
        INIT_LIST_HEAD(&psock->maps);
        INIT_LIST_HEAD(&psock->ingress);
        refcount_set(&psock->refcnt, 1);
+       spin_lock_init(&psock->maps_lock);
 
        rcu_assign_sk_user_data(sock, psock);
        sock_hold(sock);
@@ -1564,18 +1662,32 @@ free_stab:
        return ERR_PTR(err);
 }
 
-static void smap_list_remove(struct smap_psock *psock,
-                            struct sock **entry,
-                            struct htab_elem *hash_link)
+static void smap_list_map_remove(struct smap_psock *psock,
+                                struct sock **entry)
 {
        struct smap_psock_map_entry *e, *tmp;
 
+       spin_lock_bh(&psock->maps_lock);
        list_for_each_entry_safe(e, tmp, &psock->maps, list) {
-               if (e->entry == entry || e->hash_link == hash_link) {
+               if (e->entry == entry)
                        list_del(&e->list);
-                       break;
-               }
        }
+       spin_unlock_bh(&psock->maps_lock);
+}
+
+static void smap_list_hash_remove(struct smap_psock *psock,
+                                 struct htab_elem *hash_link)
+{
+       struct smap_psock_map_entry *e, *tmp;
+
+       spin_lock_bh(&psock->maps_lock);
+       list_for_each_entry_safe(e, tmp, &psock->maps, list) {
+               struct htab_elem *c = rcu_dereference(e->hash_link);
+
+               if (c == hash_link)
+                       list_del(&e->list);
+       }
+       spin_unlock_bh(&psock->maps_lock);
 }
 
 static void sock_map_free(struct bpf_map *map)
@@ -1601,7 +1713,6 @@ static void sock_map_free(struct bpf_map *map)
                if (!sock)
                        continue;
 
-               write_lock_bh(&sock->sk_callback_lock);
                psock = smap_psock_sk(sock);
                /* This check handles a racing sock event that can get the
                 * sk_callback_lock before this case but after xchg happens
@@ -1609,10 +1720,9 @@ static void sock_map_free(struct bpf_map *map)
                 * to be null and queued for garbage collection.
                 */
                if (likely(psock)) {
-                       smap_list_remove(psock, &stab->sock_map[i], NULL);
+                       smap_list_map_remove(psock, &stab->sock_map[i]);
                        smap_release_sock(psock, sock);
                }
-               write_unlock_bh(&sock->sk_callback_lock);
        }
        rcu_read_unlock();
 
@@ -1661,17 +1771,15 @@ static int sock_map_delete_elem(struct bpf_map *map, void *key)
        if (!sock)
                return -EINVAL;
 
-       write_lock_bh(&sock->sk_callback_lock);
        psock = smap_psock_sk(sock);
        if (!psock)
                goto out;
 
        if (psock->bpf_parse)
                smap_stop_sock(psock, sock);
-       smap_list_remove(psock, &stab->sock_map[k], NULL);
+       smap_list_map_remove(psock, &stab->sock_map[k]);
        smap_release_sock(psock, sock);
 out:
-       write_unlock_bh(&sock->sk_callback_lock);
        return 0;
 }
 
@@ -1752,7 +1860,6 @@ static int __sock_map_ctx_update_elem(struct bpf_map *map,
                }
        }
 
-       write_lock_bh(&sock->sk_callback_lock);
        psock = smap_psock_sk(sock);
 
        /* 2. Do not allow inheriting programs if psock exists and has
@@ -1809,7 +1916,9 @@ static int __sock_map_ctx_update_elem(struct bpf_map *map,
                if (err)
                        goto out_free;
                smap_init_progs(psock, verdict, parse);
+               write_lock_bh(&sock->sk_callback_lock);
                smap_start_sock(psock, sock);
+               write_unlock_bh(&sock->sk_callback_lock);
        }
 
        /* 4. Place psock in sockmap for use and stop any programs on
@@ -1819,9 +1928,10 @@ static int __sock_map_ctx_update_elem(struct bpf_map *map,
         */
        if (map_link) {
                e->entry = map_link;
+               spin_lock_bh(&psock->maps_lock);
                list_add_tail(&e->list, &psock->maps);
+               spin_unlock_bh(&psock->maps_lock);
        }
-       write_unlock_bh(&sock->sk_callback_lock);
        return err;
 out_free:
        smap_release_sock(psock, sock);
@@ -1832,7 +1942,6 @@ out_progs:
        }
        if (tx_msg)
                bpf_prog_put(tx_msg);
-       write_unlock_bh(&sock->sk_callback_lock);
        kfree(e);
        return err;
 }
@@ -1869,10 +1978,8 @@ static int sock_map_ctx_update_elem(struct bpf_sock_ops_kern *skops,
        if (osock) {
                struct smap_psock *opsock = smap_psock_sk(osock);
 
-               write_lock_bh(&osock->sk_callback_lock);
-               smap_list_remove(opsock, &stab->sock_map[i], NULL);
+               smap_list_map_remove(opsock, &stab->sock_map[i]);
                smap_release_sock(opsock, osock);
-               write_unlock_bh(&osock->sk_callback_lock);
        }
 out:
        return err;
@@ -1915,6 +2022,24 @@ int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type)
        return 0;
 }
 
+int sockmap_get_from_fd(const union bpf_attr *attr, int type,
+                       struct bpf_prog *prog)
+{
+       int ufd = attr->target_fd;
+       struct bpf_map *map;
+       struct fd f;
+       int err;
+
+       f = fdget(ufd);
+       map = __bpf_map_get(f);
+       if (IS_ERR(map))
+               return PTR_ERR(map);
+
+       err = sock_map_prog(map, prog, attr->attach_type);
+       fdput(f);
+       return err;
+}
+
 static void *sock_map_lookup(struct bpf_map *map, void *key)
 {
        return NULL;
@@ -2043,14 +2168,13 @@ free_htab:
        return ERR_PTR(err);
 }
 
-static inline struct bucket *__select_bucket(struct bpf_htab *htab, u32 hash)
+static void __bpf_htab_free(struct rcu_head *rcu)
 {
-       return &htab->buckets[hash & (htab->n_buckets - 1)];
-}
+       struct bpf_htab *htab;
 
-static inline struct hlist_head *select_bucket(struct bpf_htab *htab, u32 hash)
-{
-       return &__select_bucket(htab, hash)->head;
+       htab = container_of(rcu, struct bpf_htab, rcu);
+       bpf_map_area_free(htab->buckets);
+       kfree(htab);
 }
 
 static void sock_hash_free(struct bpf_map *map)
@@ -2069,16 +2193,18 @@ static void sock_hash_free(struct bpf_map *map)
         */
        rcu_read_lock();
        for (i = 0; i < htab->n_buckets; i++) {
-               struct hlist_head *head = select_bucket(htab, i);
+               struct bucket *b = __select_bucket(htab, i);
+               struct hlist_head *head;
                struct hlist_node *n;
                struct htab_elem *l;
 
+               raw_spin_lock_bh(&b->lock);
+               head = &b->head;
                hlist_for_each_entry_safe(l, n, head, hash_node) {
                        struct sock *sock = l->sk;
                        struct smap_psock *psock;
 
                        hlist_del_rcu(&l->hash_node);
-                       write_lock_bh(&sock->sk_callback_lock);
                        psock = smap_psock_sk(sock);
                        /* This check handles a racing sock event that can get
                         * the sk_callback_lock before this case but after xchg
@@ -2086,16 +2212,15 @@ static void sock_hash_free(struct bpf_map *map)
                         * (psock) to be null and queued for garbage collection.
                         */
                        if (likely(psock)) {
-                               smap_list_remove(psock, NULL, l);
+                               smap_list_hash_remove(psock, l);
                                smap_release_sock(psock, sock);
                        }
-                       write_unlock_bh(&sock->sk_callback_lock);
-                       kfree(l);
+                       free_htab_elem(htab, l);
                }
+               raw_spin_unlock_bh(&b->lock);
        }
        rcu_read_unlock();
-       bpf_map_area_free(htab->buckets);
-       kfree(htab);
+       call_rcu(&htab->rcu, __bpf_htab_free);
 }
 
 static struct htab_elem *alloc_sock_hash_elem(struct bpf_htab *htab,
@@ -2122,19 +2247,6 @@ static struct htab_elem *alloc_sock_hash_elem(struct bpf_htab *htab,
        return l_new;
 }
 
-static struct htab_elem *lookup_elem_raw(struct hlist_head *head,
-                                        u32 hash, void *key, u32 key_size)
-{
-       struct htab_elem *l;
-
-       hlist_for_each_entry_rcu(l, head, hash_node) {
-               if (l->hash == hash && !memcmp(&l->key, key, key_size))
-                       return l;
-       }
-
-       return NULL;
-}
-
 static inline u32 htab_map_hash(const void *key, u32 key_len)
 {
        return jhash(key, key_len, 0);
@@ -2254,9 +2366,12 @@ static int sock_hash_ctx_update_elem(struct bpf_sock_ops_kern *skops,
                goto bucket_err;
        }
 
-       e->hash_link = l_new;
-       e->htab = container_of(map, struct bpf_htab, map);
+       rcu_assign_pointer(e->hash_link, l_new);
+       rcu_assign_pointer(e->htab,
+                          container_of(map, struct bpf_htab, map));
+       spin_lock_bh(&psock->maps_lock);
        list_add_tail(&e->list, &psock->maps);
+       spin_unlock_bh(&psock->maps_lock);
 
        /* add new element to the head of the list, so that
         * concurrent search will find it before old elem
@@ -2266,7 +2381,7 @@ static int sock_hash_ctx_update_elem(struct bpf_sock_ops_kern *skops,
                psock = smap_psock_sk(l_old->sk);
 
                hlist_del_rcu(&l_old->hash_node);
-               smap_list_remove(psock, NULL, l_old);
+               smap_list_hash_remove(psock, l_old);
                smap_release_sock(psock, l_old->sk);
                free_htab_elem(htab, l_old);
        }
@@ -2326,7 +2441,6 @@ static int sock_hash_delete_elem(struct bpf_map *map, void *key)
                struct smap_psock *psock;
 
                hlist_del_rcu(&l->hash_node);
-               write_lock_bh(&sock->sk_callback_lock);
                psock = smap_psock_sk(sock);
                /* This check handles a racing sock event that can get the
                 * sk_callback_lock before this case but after xchg happens
@@ -2334,10 +2448,9 @@ static int sock_hash_delete_elem(struct bpf_map *map, void *key)
                 * to be null and queued for garbage collection.
                 */
                if (likely(psock)) {
-                       smap_list_remove(psock, NULL, l);
+                       smap_list_hash_remove(psock, l);
                        smap_release_sock(psock, sock);
                }
-               write_unlock_bh(&sock->sk_callback_lock);
                free_htab_elem(htab, l);
                ret = 0;
        }
@@ -2383,6 +2496,7 @@ const struct bpf_map_ops sock_hash_ops = {
        .map_get_next_key = sock_hash_get_next_key,
        .map_update_elem = sock_hash_update_elem,
        .map_delete_elem = sock_hash_delete_elem,
+       .map_release_uref = sock_map_release,
 };
 
 BPF_CALL_4(bpf_sock_map_update, struct bpf_sock_ops_kern *, bpf_sock,
index 35dc466641f2609cdd13a6f179e81c877144e5c7..d10ecd78105fa66d2ffbd6b27c42fec2a6e6b09c 100644 (file)
@@ -1483,8 +1483,6 @@ out_free_tp:
        return err;
 }
 
-#ifdef CONFIG_CGROUP_BPF
-
 static int bpf_prog_attach_check_attach_type(const struct bpf_prog *prog,
                                             enum bpf_attach_type attach_type)
 {
@@ -1499,40 +1497,6 @@ static int bpf_prog_attach_check_attach_type(const struct bpf_prog *prog,
 
 #define BPF_PROG_ATTACH_LAST_FIELD attach_flags
 
-static int sockmap_get_from_fd(const union bpf_attr *attr,
-                              int type, bool attach)
-{
-       struct bpf_prog *prog = NULL;
-       int ufd = attr->target_fd;
-       struct bpf_map *map;
-       struct fd f;
-       int err;
-
-       f = fdget(ufd);
-       map = __bpf_map_get(f);
-       if (IS_ERR(map))
-               return PTR_ERR(map);
-
-       if (attach) {
-               prog = bpf_prog_get_type(attr->attach_bpf_fd, type);
-               if (IS_ERR(prog)) {
-                       fdput(f);
-                       return PTR_ERR(prog);
-               }
-       }
-
-       err = sock_map_prog(map, prog, attr->attach_type);
-       if (err) {
-               fdput(f);
-               if (prog)
-                       bpf_prog_put(prog);
-               return err;
-       }
-
-       fdput(f);
-       return 0;
-}
-
 #define BPF_F_ATTACH_MASK \
        (BPF_F_ALLOW_OVERRIDE | BPF_F_ALLOW_MULTI)
 
@@ -1540,7 +1504,6 @@ static int bpf_prog_attach(const union bpf_attr *attr)
 {
        enum bpf_prog_type ptype;
        struct bpf_prog *prog;
-       struct cgroup *cgrp;
        int ret;
 
        if (!capable(CAP_NET_ADMIN))
@@ -1577,12 +1540,15 @@ static int bpf_prog_attach(const union bpf_attr *attr)
                ptype = BPF_PROG_TYPE_CGROUP_DEVICE;
                break;
        case BPF_SK_MSG_VERDICT:
-               return sockmap_get_from_fd(attr, BPF_PROG_TYPE_SK_MSG, true);
+               ptype = BPF_PROG_TYPE_SK_MSG;
+               break;
        case BPF_SK_SKB_STREAM_PARSER:
        case BPF_SK_SKB_STREAM_VERDICT:
-               return sockmap_get_from_fd(attr, BPF_PROG_TYPE_SK_SKB, true);
+               ptype = BPF_PROG_TYPE_SK_SKB;
+               break;
        case BPF_LIRC_MODE2:
-               return lirc_prog_attach(attr);
+               ptype = BPF_PROG_TYPE_LIRC_MODE2;
+               break;
        default:
                return -EINVAL;
        }
@@ -1596,18 +1562,20 @@ static int bpf_prog_attach(const union bpf_attr *attr)
                return -EINVAL;
        }
 
-       cgrp = cgroup_get_from_fd(attr->target_fd);
-       if (IS_ERR(cgrp)) {
-               bpf_prog_put(prog);
-               return PTR_ERR(cgrp);
+       switch (ptype) {
+       case BPF_PROG_TYPE_SK_SKB:
+       case BPF_PROG_TYPE_SK_MSG:
+               ret = sockmap_get_from_fd(attr, ptype, prog);
+               break;
+       case BPF_PROG_TYPE_LIRC_MODE2:
+               ret = lirc_prog_attach(attr, prog);
+               break;
+       default:
+               ret = cgroup_bpf_prog_attach(attr, ptype, prog);
        }
 
-       ret = cgroup_bpf_attach(cgrp, prog, attr->attach_type,
-                               attr->attach_flags);
        if (ret)
                bpf_prog_put(prog);
-       cgroup_put(cgrp);
-
        return ret;
 }
 
@@ -1616,9 +1584,6 @@ static int bpf_prog_attach(const union bpf_attr *attr)
 static int bpf_prog_detach(const union bpf_attr *attr)
 {
        enum bpf_prog_type ptype;
-       struct bpf_prog *prog;
-       struct cgroup *cgrp;
-       int ret;
 
        if (!capable(CAP_NET_ADMIN))
                return -EPERM;
@@ -1651,29 +1616,17 @@ static int bpf_prog_detach(const union bpf_attr *attr)
                ptype = BPF_PROG_TYPE_CGROUP_DEVICE;
                break;
        case BPF_SK_MSG_VERDICT:
-               return sockmap_get_from_fd(attr, BPF_PROG_TYPE_SK_MSG, false);
+               return sockmap_get_from_fd(attr, BPF_PROG_TYPE_SK_MSG, NULL);
        case BPF_SK_SKB_STREAM_PARSER:
        case BPF_SK_SKB_STREAM_VERDICT:
-               return sockmap_get_from_fd(attr, BPF_PROG_TYPE_SK_SKB, false);
+               return sockmap_get_from_fd(attr, BPF_PROG_TYPE_SK_SKB, NULL);
        case BPF_LIRC_MODE2:
                return lirc_prog_detach(attr);
        default:
                return -EINVAL;
        }
 
-       cgrp = cgroup_get_from_fd(attr->target_fd);
-       if (IS_ERR(cgrp))
-               return PTR_ERR(cgrp);
-
-       prog = bpf_prog_get_type(attr->attach_bpf_fd, ptype);
-       if (IS_ERR(prog))
-               prog = NULL;
-
-       ret = cgroup_bpf_detach(cgrp, prog, attr->attach_type, 0);
-       if (prog)
-               bpf_prog_put(prog);
-       cgroup_put(cgrp);
-       return ret;
+       return cgroup_bpf_prog_detach(attr, ptype);
 }
 
 #define BPF_PROG_QUERY_LAST_FIELD query.prog_cnt
@@ -1681,9 +1634,6 @@ static int bpf_prog_detach(const union bpf_attr *attr)
 static int bpf_prog_query(const union bpf_attr *attr,
                          union bpf_attr __user *uattr)
 {
-       struct cgroup *cgrp;
-       int ret;
-
        if (!capable(CAP_NET_ADMIN))
                return -EPERM;
        if (CHECK_ATTR(BPF_PROG_QUERY))
@@ -1711,14 +1661,9 @@ static int bpf_prog_query(const union bpf_attr *attr,
        default:
                return -EINVAL;
        }
-       cgrp = cgroup_get_from_fd(attr->query.target_fd);
-       if (IS_ERR(cgrp))
-               return PTR_ERR(cgrp);
-       ret = cgroup_bpf_query(cgrp, attr, uattr);
-       cgroup_put(cgrp);
-       return ret;
+
+       return cgroup_bpf_prog_query(attr, uattr);
 }
-#endif /* CONFIG_CGROUP_BPF */
 
 #define BPF_PROG_TEST_RUN_LAST_FIELD test.duration
 
@@ -2365,7 +2310,6 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
        case BPF_OBJ_GET:
                err = bpf_obj_get(&attr);
                break;
-#ifdef CONFIG_CGROUP_BPF
        case BPF_PROG_ATTACH:
                err = bpf_prog_attach(&attr);
                break;
@@ -2375,7 +2319,6 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
        case BPF_PROG_QUERY:
                err = bpf_prog_query(&attr, uattr);
                break;
-#endif
        case BPF_PROG_TEST_RUN:
                err = bpf_prog_test_run(&attr, uattr);
                break;
index 04b68d9dfface72cd56d1f48ec0a58c68d2c2032..904541055792bf227faaf49734cd737142fd4111 100644 (file)
@@ -1085,3 +1085,4 @@ const struct dma_map_ops swiotlb_dma_ops = {
        .unmap_page             = swiotlb_unmap_page,
        .dma_supported          = dma_direct_supported,
 };
+EXPORT_SYMBOL(swiotlb_dma_ops);
index 80cca2b30c4fe02c1baca59b08c0cae158a7368e..8f0434a9951af00bce3f009c21ddbd3c5cd61e01 100644 (file)
@@ -6482,7 +6482,7 @@ void perf_prepare_sample(struct perf_event_header *header,
                data->phys_addr = perf_virt_to_phys(data->addr);
 }
 
-static void __always_inline
+static __always_inline void
 __perf_event_output(struct perf_event *event,
                    struct perf_sample_data *data,
                    struct pt_regs *regs,
index 481951bf091d49fbe4378bb21504b6482e11919f..750cb8082694d481a7fbce92999757e754023f65 100644 (file)
@@ -177,9 +177,20 @@ void *kthread_probe_data(struct task_struct *task)
 static void __kthread_parkme(struct kthread *self)
 {
        for (;;) {
-               set_current_state(TASK_PARKED);
+               /*
+                * TASK_PARKED is a special state; we must serialize against
+                * possible pending wakeups to avoid store-store collisions on
+                * task->state.
+                *
+                * Such a collision might possibly result in the task state
+                * changin from TASK_PARKED and us failing the
+                * wait_task_inactive() in kthread_park().
+                */
+               set_special_state(TASK_PARKED);
                if (!test_bit(KTHREAD_SHOULD_PARK, &self->flags))
                        break;
+
+               complete_all(&self->parked);
                schedule();
        }
        __set_current_state(TASK_RUNNING);
@@ -191,11 +202,6 @@ void kthread_parkme(void)
 }
 EXPORT_SYMBOL_GPL(kthread_parkme);
 
-void kthread_park_complete(struct task_struct *k)
-{
-       complete_all(&to_kthread(k)->parked);
-}
-
 static int kthread(void *_create)
 {
        /* Copy data: it's on kthread's stack */
@@ -461,6 +467,9 @@ void kthread_unpark(struct task_struct *k)
 
        reinit_completion(&kthread->parked);
        clear_bit(KTHREAD_SHOULD_PARK, &kthread->flags);
+       /*
+        * __kthread_parkme() will either see !SHOULD_PARK or get the wakeup.
+        */
        wake_up_state(k, TASK_PARKED);
 }
 EXPORT_SYMBOL_GPL(kthread_unpark);
@@ -487,7 +496,16 @@ int kthread_park(struct task_struct *k)
        set_bit(KTHREAD_SHOULD_PARK, &kthread->flags);
        if (k != current) {
                wake_up_process(k);
+               /*
+                * Wait for __kthread_parkme() to complete(), this means we
+                * _will_ have TASK_PARKED and are about to call schedule().
+                */
                wait_for_completion(&kthread->parked);
+               /*
+                * Now wait for that schedule() to complete and the task to
+                * get scheduled out.
+                */
+               WARN_ON_ONCE(!wait_task_inactive(k, TASK_PARKED));
        }
 
        return 0;
index 78d8facba456c2fc44c7024ae1a1c8d9db6f0692..fe365c9a08e98392d17a0f54ac1c7209db5f90b2 100644 (file)
@@ -7,7 +7,6 @@
  */
 #include "sched.h"
 
-#include <linux/kthread.h>
 #include <linux/nospec.h>
 
 #include <linux/kcov.h>
@@ -2724,28 +2723,20 @@ static struct rq *finish_task_switch(struct task_struct *prev)
                membarrier_mm_sync_core_before_usermode(mm);
                mmdrop(mm);
        }
-       if (unlikely(prev_state & (TASK_DEAD|TASK_PARKED))) {
-               switch (prev_state) {
-               case TASK_DEAD:
-                       if (prev->sched_class->task_dead)
-                               prev->sched_class->task_dead(prev);
+       if (unlikely(prev_state == TASK_DEAD)) {
+               if (prev->sched_class->task_dead)
+                       prev->sched_class->task_dead(prev);
 
-                       /*
-                        * Remove function-return probe instances associated with this
-                        * task and put them back on the free list.
-                        */
-                       kprobe_flush_task(prev);
-
-                       /* Task is done with its stack. */
-                       put_task_stack(prev);
+               /*
+                * Remove function-return probe instances associated with this
+                * task and put them back on the free list.
+                */
+               kprobe_flush_task(prev);
 
-                       put_task_struct(prev);
-                       break;
+               /* Task is done with its stack. */
+               put_task_stack(prev);
 
-               case TASK_PARKED:
-                       kthread_park_complete(prev);
-                       break;
-               }
+               put_task_struct(prev);
        }
 
        tick_nohz_task_switch();
@@ -3113,7 +3104,9 @@ static void sched_tick_remote(struct work_struct *work)
        struct tick_work *twork = container_of(dwork, struct tick_work, work);
        int cpu = twork->cpu;
        struct rq *rq = cpu_rq(cpu);
+       struct task_struct *curr;
        struct rq_flags rf;
+       u64 delta;
 
        /*
         * Handle the tick only if it appears the remote CPU is running in full
@@ -3122,24 +3115,28 @@ static void sched_tick_remote(struct work_struct *work)
         * statistics and checks timeslices in a time-independent way, regardless
         * of when exactly it is running.
         */
-       if (!idle_cpu(cpu) && tick_nohz_tick_stopped_cpu(cpu)) {
-               struct task_struct *curr;
-               u64 delta;
+       if (idle_cpu(cpu) || !tick_nohz_tick_stopped_cpu(cpu))
+               goto out_requeue;
 
-               rq_lock_irq(rq, &rf);
-               update_rq_clock(rq);
-               curr = rq->curr;
-               delta = rq_clock_task(rq) - curr->se.exec_start;
+       rq_lock_irq(rq, &rf);
+       curr = rq->curr;
+       if (is_idle_task(curr))
+               goto out_unlock;
 
-               /*
-                * Make sure the next tick runs within a reasonable
-                * amount of time.
-                */
-               WARN_ON_ONCE(delta > (u64)NSEC_PER_SEC * 3);
-               curr->sched_class->task_tick(rq, curr, 0);
-               rq_unlock_irq(rq, &rf);
-       }
+       update_rq_clock(rq);
+       delta = rq_clock_task(rq) - curr->se.exec_start;
+
+       /*
+        * Make sure the next tick runs within a reasonable
+        * amount of time.
+        */
+       WARN_ON_ONCE(delta > (u64)NSEC_PER_SEC * 3);
+       curr->sched_class->task_tick(rq, curr, 0);
+
+out_unlock:
+       rq_unlock_irq(rq, &rf);
 
+out_requeue:
        /*
         * Run the remote tick once per second (1Hz). This arbitrary
         * frequency is large enough to avoid overload but short enough
index 3cde46483f0aa5e57ea14502322fd90741e88ac0..c907fde01eaa65fcf784074466a17f8a64ab0203 100644 (file)
@@ -192,7 +192,7 @@ static unsigned long sugov_aggregate_util(struct sugov_cpu *sg_cpu)
 {
        struct rq *rq = cpu_rq(sg_cpu->cpu);
 
-       if (rq->rt.rt_nr_running)
+       if (rt_rq_is_runnable(&rq->rt))
                return sg_cpu->max;
 
        /*
index 1866e64792a791f8737128c88ae691d7453ff117..2f0a0be4d344d7de76211b01c6883c10fbb2ba89 100644 (file)
@@ -3982,18 +3982,10 @@ util_est_dequeue(struct cfs_rq *cfs_rq, struct task_struct *p, bool task_sleep)
        if (!sched_feat(UTIL_EST))
                return;
 
-       /*
-        * Update root cfs_rq's estimated utilization
-        *
-        * If *p is the last task then the root cfs_rq's estimated utilization
-        * of a CPU is 0 by definition.
-        */
-       ue.enqueued = 0;
-       if (cfs_rq->nr_running) {
-               ue.enqueued  = cfs_rq->avg.util_est.enqueued;
-               ue.enqueued -= min_t(unsigned int, ue.enqueued,
-                                    (_task_util_est(p) | UTIL_AVG_UNCHANGED));
-       }
+       /* Update root cfs_rq's estimated utilization */
+       ue.enqueued  = cfs_rq->avg.util_est.enqueued;
+       ue.enqueued -= min_t(unsigned int, ue.enqueued,
+                            (_task_util_est(p) | UTIL_AVG_UNCHANGED));
        WRITE_ONCE(cfs_rq->avg.util_est.enqueued, ue.enqueued);
 
        /*
@@ -4590,6 +4582,7 @@ void __refill_cfs_bandwidth_runtime(struct cfs_bandwidth *cfs_b)
        now = sched_clock_cpu(smp_processor_id());
        cfs_b->runtime = cfs_b->quota;
        cfs_b->runtime_expires = now + ktime_to_ns(cfs_b->period);
+       cfs_b->expires_seq++;
 }
 
 static inline struct cfs_bandwidth *tg_cfs_bandwidth(struct task_group *tg)
@@ -4612,6 +4605,7 @@ static int assign_cfs_rq_runtime(struct cfs_rq *cfs_rq)
        struct task_group *tg = cfs_rq->tg;
        struct cfs_bandwidth *cfs_b = tg_cfs_bandwidth(tg);
        u64 amount = 0, min_amount, expires;
+       int expires_seq;
 
        /* note: this is a positive sum as runtime_remaining <= 0 */
        min_amount = sched_cfs_bandwidth_slice() - cfs_rq->runtime_remaining;
@@ -4628,6 +4622,7 @@ static int assign_cfs_rq_runtime(struct cfs_rq *cfs_rq)
                        cfs_b->idle = 0;
                }
        }
+       expires_seq = cfs_b->expires_seq;
        expires = cfs_b->runtime_expires;
        raw_spin_unlock(&cfs_b->lock);
 
@@ -4637,8 +4632,10 @@ static int assign_cfs_rq_runtime(struct cfs_rq *cfs_rq)
         * spread between our sched_clock and the one on which runtime was
         * issued.
         */
-       if ((s64)(expires - cfs_rq->runtime_expires) > 0)
+       if (cfs_rq->expires_seq != expires_seq) {
+               cfs_rq->expires_seq = expires_seq;
                cfs_rq->runtime_expires = expires;
+       }
 
        return cfs_rq->runtime_remaining > 0;
 }
@@ -4664,12 +4661,9 @@ static void expire_cfs_rq_runtime(struct cfs_rq *cfs_rq)
         * has not truly expired.
         *
         * Fortunately we can check determine whether this the case by checking
-        * whether the global deadline has advanced. It is valid to compare
-        * cfs_b->runtime_expires without any locks since we only care about
-        * exact equality, so a partial write will still work.
+        * whether the global deadline(cfs_b->expires_seq) has advanced.
         */
-
-       if (cfs_rq->runtime_expires != cfs_b->runtime_expires) {
+       if (cfs_rq->expires_seq == cfs_b->expires_seq) {
                /* extend local deadline, drift is bounded above by 2 ticks */
                cfs_rq->runtime_expires += TICK_NSEC;
        } else {
@@ -5202,13 +5196,18 @@ static void init_cfs_rq_runtime(struct cfs_rq *cfs_rq)
 
 void start_cfs_bandwidth(struct cfs_bandwidth *cfs_b)
 {
+       u64 overrun;
+
        lockdep_assert_held(&cfs_b->lock);
 
-       if (!cfs_b->period_active) {
-               cfs_b->period_active = 1;
-               hrtimer_forward_now(&cfs_b->period_timer, cfs_b->period);
-               hrtimer_start_expires(&cfs_b->period_timer, HRTIMER_MODE_ABS_PINNED);
-       }
+       if (cfs_b->period_active)
+               return;
+
+       cfs_b->period_active = 1;
+       overrun = hrtimer_forward_now(&cfs_b->period_timer, cfs_b->period);
+       cfs_b->runtime_expires += (overrun + 1) * ktime_to_ns(cfs_b->period);
+       cfs_b->expires_seq++;
+       hrtimer_start_expires(&cfs_b->period_timer, HRTIMER_MODE_ABS_PINNED);
 }
 
 static void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b)
index 47556b0c9a95faff3e827f6ffd690646cff38224..572567078b60b59dd14e3a608c6e9207f1c7e024 100644 (file)
@@ -508,8 +508,11 @@ static void sched_rt_rq_dequeue(struct rt_rq *rt_rq)
 
        rt_se = rt_rq->tg->rt_se[cpu];
 
-       if (!rt_se)
+       if (!rt_se) {
                dequeue_top_rt_rq(rt_rq);
+               /* Kick cpufreq (see the comment in kernel/sched/sched.h). */
+               cpufreq_update_util(rq_of_rt_rq(rt_rq), 0);
+       }
        else if (on_rt_rq(rt_se))
                dequeue_rt_entity(rt_se, 0);
 }
@@ -1001,8 +1004,6 @@ dequeue_top_rt_rq(struct rt_rq *rt_rq)
        sub_nr_running(rq, rt_rq->rt_nr_running);
        rt_rq->rt_queued = 0;
 
-       /* Kick cpufreq (see the comment in kernel/sched/sched.h). */
-       cpufreq_update_util(rq, 0);
 }
 
 static void
@@ -1014,11 +1015,14 @@ enqueue_top_rt_rq(struct rt_rq *rt_rq)
 
        if (rt_rq->rt_queued)
                return;
-       if (rt_rq_throttled(rt_rq) || !rt_rq->rt_nr_running)
+
+       if (rt_rq_throttled(rt_rq))
                return;
 
-       add_nr_running(rq, rt_rq->rt_nr_running);
-       rt_rq->rt_queued = 1;
+       if (rt_rq->rt_nr_running) {
+               add_nr_running(rq, rt_rq->rt_nr_running);
+               rt_rq->rt_queued = 1;
+       }
 
        /* Kick cpufreq (see the comment in kernel/sched/sched.h). */
        cpufreq_update_util(rq, 0);
index 6601baf2361c04605ce198091bdfe8d56aa8a7b7..c7742dcc136c6aa3ba95f0874c02c96e1eaccde8 100644 (file)
@@ -334,9 +334,10 @@ struct cfs_bandwidth {
        u64                     runtime;
        s64                     hierarchical_quota;
        u64                     runtime_expires;
+       int                     expires_seq;
 
-       int                     idle;
-       int                     period_active;
+       short                   idle;
+       short                   period_active;
        struct hrtimer          period_timer;
        struct hrtimer          slack_timer;
        struct list_head        throttled_cfs_rq;
@@ -551,6 +552,7 @@ struct cfs_rq {
 
 #ifdef CONFIG_CFS_BANDWIDTH
        int                     runtime_enabled;
+       int                     expires_seq;
        u64                     runtime_expires;
        s64                     runtime_remaining;
 
@@ -609,6 +611,11 @@ struct rt_rq {
 #endif
 };
 
+static inline bool rt_rq_is_runnable(struct rt_rq *rt_rq)
+{
+       return rt_rq->rt_queued && rt_rq->rt_nr_running;
+}
+
 /* Deadline class' related fields in a runqueue */
 struct dl_rq {
        /* runqueue is an rbtree, ordered by deadline */
index efed9c1cfb7ea4ea12182e711dacf01623f73452..caf9cbf3581683ace69577fd2f365ba039138cea 100644 (file)
@@ -192,17 +192,6 @@ static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip,
        op->saved_func(ip, parent_ip, op, regs);
 }
 
-/**
- * clear_ftrace_function - reset the ftrace function
- *
- * This NULLs the ftrace function and in essence stops
- * tracing.  There may be lag
- */
-void clear_ftrace_function(void)
-{
-       ftrace_trace_function = ftrace_stub;
-}
-
 static void ftrace_sync(struct work_struct *work)
 {
        /*
@@ -6689,7 +6678,7 @@ void ftrace_kill(void)
 {
        ftrace_disabled = 1;
        ftrace_enabled = 0;
-       clear_ftrace_function();
+       ftrace_trace_function = ftrace_stub;
 }
 
 /**
index a0079b4c7a4956444f6e8d4a0a5c1d7df1880d2e..f054bd6a1c66b732b530fd162d8af9e2d1aa38d2 100644 (file)
@@ -2953,6 +2953,7 @@ out_nobuffer:
 }
 EXPORT_SYMBOL_GPL(trace_vbprintk);
 
+__printf(3, 0)
 static int
 __trace_array_vprintk(struct ring_buffer *buffer,
                      unsigned long ip, const char *fmt, va_list args)
@@ -3007,12 +3008,14 @@ out_nobuffer:
        return len;
 }
 
+__printf(3, 0)
 int trace_array_vprintk(struct trace_array *tr,
                        unsigned long ip, const char *fmt, va_list args)
 {
        return __trace_array_vprintk(tr->trace_buffer.buffer, ip, fmt, args);
 }
 
+__printf(3, 0)
 int trace_array_printk(struct trace_array *tr,
                       unsigned long ip, const char *fmt, ...)
 {
@@ -3028,6 +3031,7 @@ int trace_array_printk(struct trace_array *tr,
        return ret;
 }
 
+__printf(3, 4)
 int trace_array_printk_buf(struct ring_buffer *buffer,
                           unsigned long ip, const char *fmt, ...)
 {
@@ -3043,6 +3047,7 @@ int trace_array_printk_buf(struct ring_buffer *buffer,
        return ret;
 }
 
+__printf(2, 0)
 int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 {
        return trace_array_vprintk(&global_trace, ip, fmt, args);
index 630c5a24b2b255bf7cd35ef1524e25508835679f..f8f86231ad90e48b73b7eb2dc8d1def48071219a 100644 (file)
@@ -583,9 +583,7 @@ static __always_inline void trace_clear_recursion(int bit)
 static inline struct ring_buffer_iter *
 trace_buffer_iter(struct trace_iterator *iter, int cpu)
 {
-       if (iter->buffer_iter && iter->buffer_iter[cpu])
-               return iter->buffer_iter[cpu];
-       return NULL;
+       return iter->buffer_iter ? iter->buffer_iter[cpu] : NULL;
 }
 
 int tracer_init(struct tracer *t, struct trace_array *tr);
index 0dceb77d1d42b3afa6c38dc7dce22ad163a48ad3..893a206bcba4f76dd504e246d9667475fd7ed456 100644 (file)
@@ -1701,6 +1701,7 @@ static void create_filter_finish(struct filter_parse_error *pe)
  * @filter_str: filter string
  * @set_str: remember @filter_str and enable detailed error in filter
  * @filterp: out param for created filter (always updated on return)
+ *           Must be a pointer that references a NULL pointer.
  *
  * Creates a filter for @call with @filter_str.  If @set_str is %true,
  * @filter_str is copied and recorded in the new filter.
@@ -1718,6 +1719,10 @@ static int create_filter(struct trace_event_call *call,
        struct filter_parse_error *pe = NULL;
        int err;
 
+       /* filterp must point to NULL */
+       if (WARN_ON(*filterp))
+               *filterp = NULL;
+
        err = create_filter_start(filter_string, set_str, &pe, filterp);
        if (err)
                return err;
index 046c716a6536ba4f504df2523a420b92920d4e52..aae18af94c94e61967063ac7534fe2979fdcec45 100644 (file)
@@ -393,7 +393,7 @@ static void hist_err_event(char *str, char *system, char *event, char *var)
        else if (system)
                snprintf(err, MAX_FILTER_STR_VAL, "%s.%s", system, event);
        else
-               strncpy(err, var, MAX_FILTER_STR_VAL);
+               strscpy(err, var, MAX_FILTER_STR_VAL);
 
        hist_err(str, err);
 }
index 23c0b0cb5fb95c9875fb35cbd0d22f027430343c..169b3c44ee97f3cf00bc574b185f16fa572a12d5 100644 (file)
@@ -831,6 +831,7 @@ print_graph_entry_leaf(struct trace_iterator *iter,
        struct ftrace_graph_ret *graph_ret;
        struct ftrace_graph_ent *call;
        unsigned long long duration;
+       int cpu = iter->cpu;
        int i;
 
        graph_ret = &ret_entry->ret;
@@ -839,7 +840,6 @@ print_graph_entry_leaf(struct trace_iterator *iter,
 
        if (data) {
                struct fgraph_cpu_data *cpu_data;
-               int cpu = iter->cpu;
 
                cpu_data = per_cpu_ptr(data->cpu_data, cpu);
 
@@ -869,6 +869,9 @@ print_graph_entry_leaf(struct trace_iterator *iter,
 
        trace_seq_printf(s, "%ps();\n", (void *)call->func);
 
+       print_graph_irq(iter, graph_ret->func, TRACE_GRAPH_RET,
+                       cpu, iter->ent->pid, flags);
+
        return trace_handle_return(s);
 }
 
index daa81571b22a4646bcc6400ccee0fe638dda2515..21f71847294222297b92ea1bfcada6ac1ddf6537 100644 (file)
@@ -1480,8 +1480,10 @@ create_local_trace_kprobe(char *func, void *addr, unsigned long offs,
        }
 
        ret = __register_trace_kprobe(tk);
-       if (ret < 0)
+       if (ret < 0) {
+               kfree(tk->tp.call.print_fmt);
                goto error;
+       }
 
        return &tk->tp.call;
 error:
@@ -1501,6 +1503,8 @@ void destroy_local_trace_kprobe(struct trace_event_call *event_call)
        }
 
        __unregister_trace_kprobe(tk);
+
+       kfree(tk->tp.call.print_fmt);
        free_trace_kprobe(tk);
 }
 #endif /* CONFIG_PERF_EVENTS */
index 3d35d062970d2459ecee5573cf512a999061b3ab..c253c1b46c6b12b2a7f2f3879bba0cf698a47866 100644 (file)
@@ -6,6 +6,7 @@ if HAVE_ARCH_KASAN
 config KASAN
        bool "KASan: runtime memory debugger"
        depends on SLUB || (SLAB && !DEBUG_SLAB)
+       select SLUB_DEBUG if SLUB
        select CONSTRUCTORS
        select STACKDEPOT
        help
index 9bbd9c5d375a2c8bf9a6d950ba42ab556c12063b..beb14839b41ae3c04fd698ec33a34727a2bc92d5 100644 (file)
@@ -141,7 +141,7 @@ int percpu_ida_alloc(struct percpu_ida *pool, int state)
        spin_lock_irqsave(&tags->lock, flags);
 
        /* Fastpath */
-       if (likely(tags->nr_free >= 0)) {
+       if (likely(tags->nr_free)) {
                tag = tags->freelist[--tags->nr_free];
                spin_unlock_irqrestore(&tags->lock, flags);
                return tag;
index 1642fd507a960f5deb2b6d7366db83800a3e547b..7c6096a7170486449736d82a37fbd50326ac169e 100644 (file)
@@ -24,9 +24,6 @@
  **/
 struct scatterlist *sg_next(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        if (sg_is_last(sg))
                return NULL;
 
@@ -111,10 +108,7 @@ struct scatterlist *sg_last(struct scatterlist *sgl, unsigned int nents)
        for_each_sg(sgl, sg, nents, i)
                ret = sg;
 
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sgl[0].sg_magic != SG_MAGIC);
        BUG_ON(!sg_is_last(ret));
-#endif
        return ret;
 }
 EXPORT_SYMBOL(sg_last);
index 60aedc87936106460e436fe66429d45a59f36060..08d3d59dca17343c1a91def02d0a7da931c1c0f0 100644 (file)
@@ -5282,21 +5282,31 @@ static struct bpf_test tests[] = {
        {       /* Mainly checking JIT here. */
                "BPF_MAXINSNS: Ctx heavy transformations",
                { },
+#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
+               CLASSIC | FLAG_EXPECTED_FAIL,
+#else
                CLASSIC,
+#endif
                { },
                {
                        {  1, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) },
                        { 10, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) }
                },
                .fill_helper = bpf_fill_maxinsns6,
+               .expected_errcode = -ENOTSUPP,
        },
        {       /* Mainly checking JIT here. */
                "BPF_MAXINSNS: Call heavy transformations",
                { },
+#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
+               CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
+#else
                CLASSIC | FLAG_NO_DATA,
+#endif
                { },
                { { 1, 0 }, { 10, 0 } },
                .fill_helper = bpf_fill_maxinsns7,
+               .expected_errcode = -ENOTSUPP,
        },
        {       /* Mainly checking JIT here. */
                "BPF_MAXINSNS: Jump heavy test",
@@ -5347,18 +5357,28 @@ static struct bpf_test tests[] = {
        {
                "BPF_MAXINSNS: exec all MSH",
                { },
+#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
+               CLASSIC | FLAG_EXPECTED_FAIL,
+#else
                CLASSIC,
+#endif
                { 0xfa, 0xfb, 0xfc, 0xfd, },
                { { 4, 0xababab83 } },
                .fill_helper = bpf_fill_maxinsns13,
+               .expected_errcode = -ENOTSUPP,
        },
        {
                "BPF_MAXINSNS: ld_abs+get_processor_id",
                { },
+#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
+               CLASSIC | FLAG_EXPECTED_FAIL,
+#else
                CLASSIC,
+#endif
                { },
                { { 1, 0xbee } },
                .fill_helper = bpf_fill_ld_abs_get_processor_id,
+               .expected_errcode = -ENOTSUPP,
        },
        /*
         * LD_IND / LD_ABS on fragmented SKBs
index b2aa8f5148449de1557e3ee48feebb8f1cab3083..cea592f402ed029d6d5dd63addd2d2bc8a8391f1 100644 (file)
@@ -260,13 +260,6 @@ plain(void)
 {
        int err;
 
-       /*
-        * Make sure crng is ready. Otherwise we get "(ptrval)" instead
-        * of a hashed address when printing '%p' in plain_hash() and
-        * plain_format().
-        */
-       wait_for_random_bytes();
-
        err = plain_hash();
        if (err) {
                pr_warn("plain 'p' does not appear to be hashed\n");
index 56e2d9125ea55a57632feb22c64f2c1a76f5ec6e..38c926520c9718b8929a72829931080a3a53502d 100644 (file)
@@ -43,12 +43,25 @@ const struct trace_print_flags vmaflag_names[] = {
 
 void __dump_page(struct page *page, const char *reason)
 {
+       bool page_poisoned = PagePoisoned(page);
+       int mapcount;
+
+       /*
+        * If struct page is poisoned don't access Page*() functions as that
+        * leads to recursive loop. Page*() check for poisoned pages, and calls
+        * dump_page() when detected.
+        */
+       if (page_poisoned) {
+               pr_emerg("page:%px is uninitialized and poisoned", page);
+               goto hex_only;
+       }
+
        /*
         * Avoid VM_BUG_ON() in page_mapcount().
         * page->_mapcount space in struct page is used by sl[aou]b pages to
         * encode own info.
         */
-       int mapcount = PageSlab(page) ? 0 : page_mapcount(page);
+       mapcount = PageSlab(page) ? 0 : page_mapcount(page);
 
        pr_emerg("page:%px count:%d mapcount:%d mapping:%px index:%#lx",
                  page, page_ref_count(page), mapcount,
@@ -60,6 +73,7 @@ void __dump_page(struct page *page, const char *reason)
 
        pr_emerg("flags: %#lx(%pGp)\n", page->flags, &page->flags);
 
+hex_only:
        print_hex_dump(KERN_ALERT, "raw: ", DUMP_PREFIX_NONE, 32,
                        sizeof(unsigned long), page,
                        sizeof(struct page), false);
@@ -68,7 +82,7 @@ void __dump_page(struct page *page, const char *reason)
                pr_alert("page dumped because: %s\n", reason);
 
 #ifdef CONFIG_MEMCG
-       if (page->mem_cgroup)
+       if (!page_poisoned && page->mem_cgroup)
                pr_alert("page->mem_cgroup:%px\n", page->mem_cgroup);
 #endif
 }
index 3612fbb32e9d5412e8494e4c220fad84e3a4e779..039ddbc574e926800f9104ede90782753605f46b 100644 (file)
@@ -2163,6 +2163,7 @@ static void __init gather_bootmem_prealloc(void)
                 */
                if (hstate_is_gigantic(h))
                        adjust_managed_page_count(page, 1 << h->order);
+               cond_resched();
        }
 }
 
index f185455b34065d27efa2b6a90c9dd2c1dfe92ae9..c3bd5209da380d9a51a0fa4515f4fcdeefcad409 100644 (file)
@@ -619,12 +619,13 @@ void kasan_kfree_large(void *ptr, unsigned long ip)
 int kasan_module_alloc(void *addr, size_t size)
 {
        void *ret;
+       size_t scaled_size;
        size_t shadow_size;
        unsigned long shadow_start;
 
        shadow_start = (unsigned long)kasan_mem_to_shadow(addr);
-       shadow_size = round_up(size >> KASAN_SHADOW_SCALE_SHIFT,
-                       PAGE_SIZE);
+       scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT;
+       shadow_size = round_up(scaled_size, PAGE_SIZE);
 
        if (WARN_ON(!PAGE_ALIGNED(shadow_start)))
                return -EINVAL;
index 890b1f04a03a3d46f80fe1b2cfccae1f14b79836..2296caf87bfbd28a626663af04f2054a0cc3c45c 100644 (file)
@@ -567,10 +567,14 @@ static int shutdown_cache(struct kmem_cache *s)
        list_del(&s->list);
 
        if (s->flags & SLAB_TYPESAFE_BY_RCU) {
+#ifdef SLAB_SUPPORTS_SYSFS
+               sysfs_slab_unlink(s);
+#endif
                list_add_tail(&s->list, &slab_caches_to_rcu_destroy);
                schedule_work(&slab_caches_to_rcu_destroy_work);
        } else {
 #ifdef SLAB_SUPPORTS_SYSFS
+               sysfs_slab_unlink(s);
                sysfs_slab_release(s);
 #else
                slab_kmem_cache_release(s);
index a3b8467c14af642138deaf35fd3ed3f7f87aed93..51258eff417836f6c5a72433a65c016c8391beb2 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5667,7 +5667,6 @@ static void sysfs_slab_remove_workfn(struct work_struct *work)
        kset_unregister(s->memcg_kset);
 #endif
        kobject_uevent(&s->kobj, KOBJ_REMOVE);
-       kobject_del(&s->kobj);
 out:
        kobject_put(&s->kobj);
 }
@@ -5752,6 +5751,12 @@ static void sysfs_slab_remove(struct kmem_cache *s)
        schedule_work(&s->kobj_remove_work);
 }
 
+void sysfs_slab_unlink(struct kmem_cache *s)
+{
+       if (slab_state >= FULL)
+               kobject_del(&s->kobj);
+}
+
 void sysfs_slab_release(struct kmem_cache *s)
 {
        if (slab_state >= FULL)
index 75eda9c2b2602fe24b4c431f797c5e0fc563ebda..8ba0870ecddd0fd592d16ee674b060db512b5b37 100644 (file)
@@ -1796,11 +1796,9 @@ static void vmstat_update(struct work_struct *w)
                 * to occur in the future. Keep on running the
                 * update worker thread.
                 */
-               preempt_disable();
                queue_delayed_work_on(smp_processor_id(), mm_percpu_wq,
                                this_cpu_ptr(&vmstat_work),
                                round_jiffies_relative(sysctl_stat_interval));
-               preempt_enable();
        }
 }
 
index 73a65789271ba9346902dd721b0accd8ce747adc..8ccee3d01822f78184357141ced7a07c3109dc2c 100644 (file)
@@ -693,7 +693,7 @@ static struct sk_buff **vlan_gro_receive(struct sk_buff **head,
 out_unlock:
        rcu_read_unlock();
 out:
-       NAPI_GRO_CB(skb)->flush |= flush;
+       skb_gro_flush_final(skb, pp, flush);
 
        return pp;
 }
index 13ec0d5415c74486c68f8290689d16d78513e6e9..bdaf53925acd5606fdb953800620bd05cf0f259e 100644 (file)
@@ -20,11 +20,7 @@ obj-$(CONFIG_TLS)            += tls/
 obj-$(CONFIG_XFRM)             += xfrm/
 obj-$(CONFIG_UNIX)             += unix/
 obj-$(CONFIG_NET)              += ipv6/
-ifneq ($(CC_CAN_LINK),y)
-$(warning CC cannot link executables. Skipping bpfilter.)
-else
 obj-$(CONFIG_BPFILTER)         += bpfilter/
-endif
 obj-$(CONFIG_PACKET)           += packet/
 obj-$(CONFIG_NET_KEY)          += key/
 obj-$(CONFIG_BRIDGE)           += bridge/
index 55fdba05d7d9daa805d358118852aabb07746e81..9b6bc5abe94680c0a982b9193932f245080f2f85 100644 (file)
@@ -1869,7 +1869,7 @@ static const struct proto_ops atalk_dgram_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = atalk_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .ioctl          = atalk_ioctl,
 #ifdef CONFIG_COMPAT
        .compat_ioctl   = atalk_compat_ioctl,
index ff5748b2190fc7f773d8009bed531cab971e54cf..a7a68e5096288df11af1037297189962dc2fa548 100644 (file)
@@ -647,11 +647,16 @@ out:
        return error;
 }
 
-__poll_t vcc_poll_mask(struct socket *sock, __poll_t events)
+__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
        struct sock *sk = sock->sk;
-       struct atm_vcc *vcc = ATM_SD(sock);
-       __poll_t mask = 0;
+       struct atm_vcc *vcc;
+       __poll_t mask;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
+
+       vcc = ATM_SD(sock);
 
        /* exceptional events */
        if (sk->sk_err)
index 526796ad230fc6a2dbdca37f0d4f66f4edf47f17..5850649068bb29b3d688b4c8e29373b4a7f7592d 100644 (file)
@@ -17,7 +17,7 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci);
 int vcc_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
                int flags);
 int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len);
-__poll_t vcc_poll_mask(struct socket *sock, __poll_t events);
+__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait);
 int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int vcc_setsockopt(struct socket *sock, int level, int optname,
index 9f75092fe7785c080b2a32f9c2c8b147056bd488..2cb10af16afcf8eeb925bfe1aab33e839821109a 100644 (file)
@@ -113,7 +113,7 @@ static const struct proto_ops pvc_proto_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       sock_no_accept,
        .getname =      pvc_getname,
-       .poll_mask =    vcc_poll_mask,
+       .poll =         vcc_poll,
        .ioctl =        vcc_ioctl,
 #ifdef CONFIG_COMPAT
        .compat_ioctl = vcc_compat_ioctl,
index 53f4ad7087b169bccbd8d0b86c7463fd77204a8d..2f91b766ac423c97a0b9c1fd340222e31b17eefa 100644 (file)
@@ -636,7 +636,7 @@ static const struct proto_ops svc_proto_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       svc_accept,
        .getname =      svc_getname,
-       .poll_mask =    vcc_poll_mask,
+       .poll =         vcc_poll,
        .ioctl =        svc_ioctl,
 #ifdef CONFIG_COMPAT
        .compat_ioctl = svc_compat_ioctl,
index d1d2442ce573280cbc5b12beba96225bb7445a47..c603d33d54108b9f93f1745534da28d25f12c0ea 100644 (file)
@@ -1941,7 +1941,7 @@ static const struct proto_ops ax25_proto_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = ax25_accept,
        .getname        = ax25_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .ioctl          = ax25_ioctl,
        .listen         = ax25_listen,
        .shutdown       = ax25_shutdown,
index 510ab4f55df56bc1c356d5130d2dbea4be4744ff..3264e1873219bd40b8c1ccfc2ce6c40d96ca0030 100644 (file)
@@ -437,13 +437,16 @@ static inline __poll_t bt_accept_poll(struct sock *parent)
        return 0;
 }
 
-__poll_t bt_sock_poll_mask(struct socket *sock, __poll_t events)
+__poll_t bt_sock_poll(struct file *file, struct socket *sock,
+                         poll_table *wait)
 {
        struct sock *sk = sock->sk;
        __poll_t mask = 0;
 
        BT_DBG("sock %p, sk %p", sock, sk);
 
+       poll_wait(file, sk_sleep(sk), wait);
+
        if (sk->sk_state == BT_LISTEN)
                return bt_accept_poll(sk);
 
@@ -475,7 +478,7 @@ __poll_t bt_sock_poll_mask(struct socket *sock, __poll_t events)
 
        return mask;
 }
-EXPORT_SYMBOL(bt_sock_poll_mask);
+EXPORT_SYMBOL(bt_sock_poll);
 
 int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
index d6c0998615388d078c0910bee08784b4fac2f0c0..1506e1632394acf06e9f5873d045bd394e5b3059 100644 (file)
@@ -1975,7 +1975,7 @@ static const struct proto_ops hci_sock_ops = {
        .sendmsg        = hci_sock_sendmsg,
        .recvmsg        = hci_sock_recvmsg,
        .ioctl          = hci_sock_ioctl,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
        .setsockopt     = hci_sock_setsockopt,
index 742a190034e6378a4be886ed730d55936c82ee27..686bdc6b35b03d1fd0965dc0fd76c5edde78c1eb 100644 (file)
@@ -1653,7 +1653,7 @@ static const struct proto_ops l2cap_sock_ops = {
        .getname        = l2cap_sock_getname,
        .sendmsg        = l2cap_sock_sendmsg,
        .recvmsg        = l2cap_sock_recvmsg,
-       .poll_mask      = bt_sock_poll_mask,
+       .poll           = bt_sock_poll,
        .ioctl          = bt_sock_ioctl,
        .mmap           = sock_no_mmap,
        .socketpair     = sock_no_socketpair,
index 1cf57622473aa70d626e1df5ad867800ab4cfe6e..d606e9212291608ea2e266238c0f65ce18d0c311 100644 (file)
@@ -1049,7 +1049,7 @@ static const struct proto_ops rfcomm_sock_ops = {
        .setsockopt     = rfcomm_sock_setsockopt,
        .getsockopt     = rfcomm_sock_getsockopt,
        .ioctl          = rfcomm_sock_ioctl,
-       .poll_mask      = bt_sock_poll_mask,
+       .poll           = bt_sock_poll,
        .socketpair     = sock_no_socketpair,
        .mmap           = sock_no_mmap
 };
index d60dbc61d170864b1393aabb0d7f7965a1e6ad17..413b8ee49feca325dea79e328c11b8ba00afbce3 100644 (file)
@@ -1197,7 +1197,7 @@ static const struct proto_ops sco_sock_ops = {
        .getname        = sco_sock_getname,
        .sendmsg        = sco_sock_sendmsg,
        .recvmsg        = sco_sock_recvmsg,
-       .poll_mask      = bt_sock_poll_mask,
+       .poll           = bt_sock_poll,
        .ioctl          = bt_sock_ioctl,
        .mmap           = sock_no_mmap,
        .socketpair     = sock_no_socketpair,
index a948b072c28f36451a587a88bcb6f86c32023693..76deb661588322d9cf8ac6bdd73ba63f5d1416fc 100644 (file)
@@ -1,6 +1,5 @@
 menuconfig BPFILTER
        bool "BPF based packet filtering framework (BPFILTER)"
-       default n
        depends on NET && BPF && INET
        help
          This builds experimental bpfilter framework that is aiming to
@@ -9,6 +8,7 @@ menuconfig BPFILTER
 if BPFILTER
 config BPFILTER_UMH
        tristate "bpfilter kernel module with user mode helper"
+       depends on $(success,$(srctree)/scripts/cc-can-link.sh $(CC))
        default m
        help
          This builds bpfilter kernel module with embedded user mode helper
index dd86b022eff0546ce729188150e2c9c63d2d0ada..39c6980b5d9952eed1046f656d8c0a85b4a0d2d6 100644 (file)
@@ -15,20 +15,7 @@ ifeq ($(CONFIG_BPFILTER_UMH), y)
 HOSTLDFLAGS += -static
 endif
 
-# a bit of elf magic to convert bpfilter_umh binary into a binary blob
-# inside bpfilter_umh.o elf file referenced by
-# _binary_net_bpfilter_bpfilter_umh_start symbol
-# which bpfilter_kern.c passes further into umh blob loader at run-time
-quiet_cmd_copy_umh = GEN $@
-      cmd_copy_umh = echo ':' > $(obj)/.bpfilter_umh.o.cmd; \
-      $(OBJCOPY) -I binary \
-          `LC_ALL=C objdump -f net/bpfilter/bpfilter_umh \
-          |awk -F' |,' '/file format/{print "-O",$$NF} \
-          /^architecture:/{print "-B",$$2}'` \
-      --rename-section .data=.init.rodata $< $@
-
-$(obj)/bpfilter_umh.o: $(obj)/bpfilter_umh
-       $(call cmd,copy_umh)
+$(obj)/bpfilter_umh_blob.o: $(obj)/bpfilter_umh
 
 obj-$(CONFIG_BPFILTER_UMH) += bpfilter.o
-bpfilter-objs += bpfilter_kern.o bpfilter_umh.o
+bpfilter-objs += bpfilter_kern.o bpfilter_umh_blob.o
index 09522573f611b01ba5fb4d52125e8264d9147f20..f0fc182d3db77eb311d91f7faef4e8a6f85886b3 100644 (file)
 #include <linux/file.h>
 #include "msgfmt.h"
 
-#define UMH_start _binary_net_bpfilter_bpfilter_umh_start
-#define UMH_end _binary_net_bpfilter_bpfilter_umh_end
-
-extern char UMH_start;
-extern char UMH_end;
+extern char bpfilter_umh_start;
+extern char bpfilter_umh_end;
 
 static struct umh_info info;
 /* since ip_getsockopt() can run in parallel, serialize access to umh */
@@ -93,7 +90,9 @@ static int __init load_umh(void)
        int err;
 
        /* fork usermode process */
-       err = fork_usermode_blob(&UMH_start, &UMH_end - &UMH_start, &info);
+       err = fork_usermode_blob(&bpfilter_umh_start,
+                                &bpfilter_umh_end - &bpfilter_umh_start,
+                                &info);
        if (err)
                return err;
        pr_info("Loaded bpfilter_umh pid %d\n", info.pid);
diff --git a/net/bpfilter/bpfilter_umh_blob.S b/net/bpfilter/bpfilter_umh_blob.S
new file mode 100644 (file)
index 0000000..40311d1
--- /dev/null
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+       .section .init.rodata, "a"
+       .global bpfilter_umh_start
+bpfilter_umh_start:
+       .incbin "net/bpfilter/bpfilter_umh"
+       .global bpfilter_umh_end
+bpfilter_umh_end:
index c7991867d62273f48bb55e88774b573e81f40536..a6fb1b3bcad9b2f3c1c24b2a3496ad21b07c69d9 100644 (file)
@@ -934,11 +934,15 @@ static int caif_release(struct socket *sock)
 }
 
 /* Copied from af_unix.c:unix_poll(), added CAIF tx_flow handling */
-static __poll_t caif_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t caif_poll(struct file *file,
+                             struct socket *sock, poll_table *wait)
 {
        struct sock *sk = sock->sk;
+       __poll_t mask;
        struct caifsock *cf_sk = container_of(sk, struct caifsock, sk);
-       __poll_t mask = 0;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        /* exceptional events? */
        if (sk->sk_err)
@@ -972,7 +976,7 @@ static const struct proto_ops caif_seqpacket_ops = {
        .socketpair = sock_no_socketpair,
        .accept = sock_no_accept,
        .getname = sock_no_getname,
-       .poll_mask = caif_poll_mask,
+       .poll = caif_poll,
        .ioctl = sock_no_ioctl,
        .listen = sock_no_listen,
        .shutdown = sock_no_shutdown,
@@ -993,7 +997,7 @@ static const struct proto_ops caif_stream_ops = {
        .socketpair = sock_no_socketpair,
        .accept = sock_no_accept,
        .getname = sock_no_getname,
-       .poll_mask = caif_poll_mask,
+       .poll = caif_poll,
        .ioctl = sock_no_ioctl,
        .listen = sock_no_listen,
        .shutdown = sock_no_shutdown,
index 9393f25df08d3fce299aaa463efd79244e6527e9..0af8f0db892a3311fb5a1a898ab0bff5696adf00 100644 (file)
@@ -1660,7 +1660,7 @@ static const struct proto_ops bcm_ops = {
        .socketpair    = sock_no_socketpair,
        .accept        = sock_no_accept,
        .getname       = sock_no_getname,
-       .poll_mask     = datagram_poll_mask,
+       .poll          = datagram_poll,
        .ioctl         = can_ioctl,     /* use can_ioctl() from af_can.c */
        .listen        = sock_no_listen,
        .shutdown      = sock_no_shutdown,
index fd7e2f49ea6a20b79c43bf50c72d2b1e8b48d260..1051eee8258184f33d15a6142ee8b387839c9adc 100644 (file)
@@ -843,7 +843,7 @@ static const struct proto_ops raw_ops = {
        .socketpair    = sock_no_socketpair,
        .accept        = sock_no_accept,
        .getname       = raw_getname,
-       .poll_mask     = datagram_poll_mask,
+       .poll          = datagram_poll,
        .ioctl         = can_ioctl,     /* use can_ioctl() from af_can.c */
        .listen        = sock_no_listen,
        .shutdown      = sock_no_shutdown,
index f19bf3dc2bd6ea02cb828a95d0b91322ac8b0004..9938952c5c78f1e72ef13f44517ef054a60205b2 100644 (file)
@@ -819,8 +819,9 @@ EXPORT_SYMBOL(skb_copy_and_csum_datagram_msg);
 
 /**
  *     datagram_poll - generic datagram poll
+ *     @file: file struct
  *     @sock: socket
- *     @events to wait for
+ *     @wait: poll table
  *
  *     Datagram poll: Again totally generic. This also handles
  *     sequenced packet sockets providing the socket receive queue
@@ -830,10 +831,14 @@ EXPORT_SYMBOL(skb_copy_and_csum_datagram_msg);
  *     and you use a different write policy from sock_writeable()
  *     then please supply your own write_space callback.
  */
-__poll_t datagram_poll_mask(struct socket *sock, __poll_t events)
+__poll_t datagram_poll(struct file *file, struct socket *sock,
+                          poll_table *wait)
 {
        struct sock *sk = sock->sk;
-       __poll_t mask = 0;
+       __poll_t mask;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        /* exceptional events? */
        if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
@@ -866,4 +871,4 @@ __poll_t datagram_poll_mask(struct socket *sock, __poll_t events)
 
        return mask;
 }
-EXPORT_SYMBOL(datagram_poll_mask);
+EXPORT_SYMBOL(datagram_poll);
index a04e1e88bf3ab49340d788589c365aaf45d9d3e2..50537ff961a722e18731b7b9671deb739bfce847 100644 (file)
@@ -285,16 +285,9 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
                if (ifr->ifr_qlen < 0)
                        return -EINVAL;
                if (dev->tx_queue_len ^ ifr->ifr_qlen) {
-                       unsigned int orig_len = dev->tx_queue_len;
-
-                       dev->tx_queue_len = ifr->ifr_qlen;
-                       err = call_netdevice_notifiers(
-                                       NETDEV_CHANGE_TX_QUEUE_LEN, dev);
-                       err = notifier_to_errno(err);
-                       if (err) {
-                               dev->tx_queue_len = orig_len;
+                       err = dev_change_tx_queue_len(dev, ifr->ifr_qlen);
+                       if (err)
                                return err;
-                       }
                }
                return 0;
 
index 126ffc5bc630cb412e4bcf1a48869ec6711fda54..f64aa13811eaeedf8f0040bc9f993ad9e1661eca 100644 (file)
@@ -416,6 +416,14 @@ static struct fib_rule *rule_find(struct fib_rules_ops *ops,
                if (rule->mark && r->mark != rule->mark)
                        continue;
 
+               if (rule->suppress_ifgroup != -1 &&
+                   r->suppress_ifgroup != rule->suppress_ifgroup)
+                       continue;
+
+               if (rule->suppress_prefixlen != -1 &&
+                   r->suppress_prefixlen != rule->suppress_prefixlen)
+                       continue;
+
                if (rule->mark_mask && r->mark_mask != rule->mark_mask)
                        continue;
 
@@ -436,6 +444,9 @@ static struct fib_rule *rule_find(struct fib_rules_ops *ops,
                if (rule->ip_proto && r->ip_proto != rule->ip_proto)
                        continue;
 
+               if (rule->proto && r->proto != rule->proto)
+                       continue;
+
                if (fib_rule_port_range_set(&rule->sport_range) &&
                    !fib_rule_port_range_compare(&r->sport_range,
                                                 &rule->sport_range))
@@ -645,6 +656,73 @@ errout:
        return err;
 }
 
+static int rule_exists(struct fib_rules_ops *ops, struct fib_rule_hdr *frh,
+                      struct nlattr **tb, struct fib_rule *rule)
+{
+       struct fib_rule *r;
+
+       list_for_each_entry(r, &ops->rules_list, list) {
+               if (r->action != rule->action)
+                       continue;
+
+               if (r->table != rule->table)
+                       continue;
+
+               if (r->pref != rule->pref)
+                       continue;
+
+               if (memcmp(r->iifname, rule->iifname, IFNAMSIZ))
+                       continue;
+
+               if (memcmp(r->oifname, rule->oifname, IFNAMSIZ))
+                       continue;
+
+               if (r->mark != rule->mark)
+                       continue;
+
+               if (r->suppress_ifgroup != rule->suppress_ifgroup)
+                       continue;
+
+               if (r->suppress_prefixlen != rule->suppress_prefixlen)
+                       continue;
+
+               if (r->mark_mask != rule->mark_mask)
+                       continue;
+
+               if (r->tun_id != rule->tun_id)
+                       continue;
+
+               if (r->fr_net != rule->fr_net)
+                       continue;
+
+               if (r->l3mdev != rule->l3mdev)
+                       continue;
+
+               if (!uid_eq(r->uid_range.start, rule->uid_range.start) ||
+                   !uid_eq(r->uid_range.end, rule->uid_range.end))
+                       continue;
+
+               if (r->ip_proto != rule->ip_proto)
+                       continue;
+
+               if (r->proto != rule->proto)
+                       continue;
+
+               if (!fib_rule_port_range_compare(&r->sport_range,
+                                                &rule->sport_range))
+                       continue;
+
+               if (!fib_rule_port_range_compare(&r->dport_range,
+                                                &rule->dport_range))
+                       continue;
+
+               if (!ops->compare(r, frh, tb))
+                       continue;
+               return 1;
+       }
+       return 0;
+}
+
 int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh,
                   struct netlink_ext_ack *extack)
 {
@@ -679,7 +757,7 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh,
                goto errout;
 
        if ((nlh->nlmsg_flags & NLM_F_EXCL) &&
-           rule_find(ops, frh, tb, rule, user_priority)) {
+           rule_exists(ops, frh, tb, rule)) {
                err = -EEXIST;
                goto errout_free;
        }
index e7f12e9f598c8edfc684e05e3d290a952aa9cf2f..0ca6907d7efee75b68450f66c2c5a7172272895e 100644 (file)
@@ -4073,8 +4073,9 @@ static int bpf_fib_set_fwd_params(struct bpf_fib_lookup *params,
        memcpy(params->smac, dev->dev_addr, ETH_ALEN);
        params->h_vlan_TCI = 0;
        params->h_vlan_proto = 0;
+       params->ifindex = dev->ifindex;
 
-       return dev->ifindex;
+       return 0;
 }
 #endif
 
@@ -4098,7 +4099,7 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
        /* verify forwarding is enabled on this interface */
        in_dev = __in_dev_get_rcu(dev);
        if (unlikely(!in_dev || !IN_DEV_FORWARD(in_dev)))
-               return 0;
+               return BPF_FIB_LKUP_RET_FWD_DISABLED;
 
        if (flags & BPF_FIB_LOOKUP_OUTPUT) {
                fl4.flowi4_iif = 1;
@@ -4123,7 +4124,7 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 
                tb = fib_get_table(net, tbid);
                if (unlikely(!tb))
-                       return 0;
+                       return BPF_FIB_LKUP_RET_NOT_FWDED;
 
                err = fib_table_lookup(tb, &fl4, &res, FIB_LOOKUP_NOREF);
        } else {
@@ -4135,8 +4136,20 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
                err = fib_lookup(net, &fl4, &res, FIB_LOOKUP_NOREF);
        }
 
-       if (err || res.type != RTN_UNICAST)
-               return 0;
+       if (err) {
+               /* map fib lookup errors to RTN_ type */
+               if (err == -EINVAL)
+                       return BPF_FIB_LKUP_RET_BLACKHOLE;
+               if (err == -EHOSTUNREACH)
+                       return BPF_FIB_LKUP_RET_UNREACHABLE;
+               if (err == -EACCES)
+                       return BPF_FIB_LKUP_RET_PROHIBIT;
+
+               return BPF_FIB_LKUP_RET_NOT_FWDED;
+       }
+
+       if (res.type != RTN_UNICAST)
+               return BPF_FIB_LKUP_RET_NOT_FWDED;
 
        if (res.fi->fib_nhs > 1)
                fib_select_path(net, &res, &fl4, NULL);
@@ -4144,19 +4157,16 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
        if (check_mtu) {
                mtu = ip_mtu_from_fib_result(&res, params->ipv4_dst);
                if (params->tot_len > mtu)
-                       return 0;
+                       return BPF_FIB_LKUP_RET_FRAG_NEEDED;
        }
 
        nh = &res.fi->fib_nh[res.nh_sel];
 
        /* do not handle lwt encaps right now */
        if (nh->nh_lwtstate)
-               return 0;
+               return BPF_FIB_LKUP_RET_UNSUPP_LWT;
 
        dev = nh->nh_dev;
-       if (unlikely(!dev))
-               return 0;
-
        if (nh->nh_gw)
                params->ipv4_dst = nh->nh_gw;
 
@@ -4166,10 +4176,10 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
         * rcu_read_lock_bh is not needed here
         */
        neigh = __ipv4_neigh_lookup_noref(dev, (__force u32)params->ipv4_dst);
-       if (neigh)
-               return bpf_fib_set_fwd_params(params, neigh, dev);
+       if (!neigh)
+               return BPF_FIB_LKUP_RET_NO_NEIGH;
 
-       return 0;
+       return bpf_fib_set_fwd_params(params, neigh, dev);
 }
 #endif
 
@@ -4190,7 +4200,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 
        /* link local addresses are never forwarded */
        if (rt6_need_strict(dst) || rt6_need_strict(src))
-               return 0;
+               return BPF_FIB_LKUP_RET_NOT_FWDED;
 
        dev = dev_get_by_index_rcu(net, params->ifindex);
        if (unlikely(!dev))
@@ -4198,7 +4208,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 
        idev = __in6_dev_get_safely(dev);
        if (unlikely(!idev || !net->ipv6.devconf_all->forwarding))
-               return 0;
+               return BPF_FIB_LKUP_RET_FWD_DISABLED;
 
        if (flags & BPF_FIB_LOOKUP_OUTPUT) {
                fl6.flowi6_iif = 1;
@@ -4225,7 +4235,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 
                tb = ipv6_stub->fib6_get_table(net, tbid);
                if (unlikely(!tb))
-                       return 0;
+                       return BPF_FIB_LKUP_RET_NOT_FWDED;
 
                f6i = ipv6_stub->fib6_table_lookup(net, tb, oif, &fl6, strict);
        } else {
@@ -4238,11 +4248,23 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
        }
 
        if (unlikely(IS_ERR_OR_NULL(f6i) || f6i == net->ipv6.fib6_null_entry))
-               return 0;
+               return BPF_FIB_LKUP_RET_NOT_FWDED;
+
+       if (unlikely(f6i->fib6_flags & RTF_REJECT)) {
+               switch (f6i->fib6_type) {
+               case RTN_BLACKHOLE:
+                       return BPF_FIB_LKUP_RET_BLACKHOLE;
+               case RTN_UNREACHABLE:
+                       return BPF_FIB_LKUP_RET_UNREACHABLE;
+               case RTN_PROHIBIT:
+                       return BPF_FIB_LKUP_RET_PROHIBIT;
+               default:
+                       return BPF_FIB_LKUP_RET_NOT_FWDED;
+               }
+       }
 
-       if (unlikely(f6i->fib6_flags & RTF_REJECT ||
-           f6i->fib6_type != RTN_UNICAST))
-               return 0;
+       if (f6i->fib6_type != RTN_UNICAST)
+               return BPF_FIB_LKUP_RET_NOT_FWDED;
 
        if (f6i->fib6_nsiblings && fl6.flowi6_oif == 0)
                f6i = ipv6_stub->fib6_multipath_select(net, f6i, &fl6,
@@ -4252,11 +4274,11 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
        if (check_mtu) {
                mtu = ipv6_stub->ip6_mtu_from_fib6(f6i, dst, src);
                if (params->tot_len > mtu)
-                       return 0;
+                       return BPF_FIB_LKUP_RET_FRAG_NEEDED;
        }
 
        if (f6i->fib6_nh.nh_lwtstate)
-               return 0;
+               return BPF_FIB_LKUP_RET_UNSUPP_LWT;
 
        if (f6i->fib6_flags & RTF_GATEWAY)
                *dst = f6i->fib6_nh.nh_gw;
@@ -4270,10 +4292,10 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
         */
        neigh = ___neigh_lookup_noref(ipv6_stub->nd_tbl, neigh_key_eq128,
                                      ndisc_hashfn, dst, dev);
-       if (neigh)
-               return bpf_fib_set_fwd_params(params, neigh, dev);
+       if (!neigh)
+               return BPF_FIB_LKUP_RET_NO_NEIGH;
 
-       return 0;
+       return bpf_fib_set_fwd_params(params, neigh, dev);
 }
 #endif
 
@@ -4315,7 +4337,7 @@ BPF_CALL_4(bpf_skb_fib_lookup, struct sk_buff *, skb,
           struct bpf_fib_lookup *, params, int, plen, u32, flags)
 {
        struct net *net = dev_net(skb->dev);
-       int index = -EAFNOSUPPORT;
+       int rc = -EAFNOSUPPORT;
 
        if (plen < sizeof(*params))
                return -EINVAL;
@@ -4326,25 +4348,25 @@ BPF_CALL_4(bpf_skb_fib_lookup, struct sk_buff *, skb,
        switch (params->family) {
 #if IS_ENABLED(CONFIG_INET)
        case AF_INET:
-               index = bpf_ipv4_fib_lookup(net, params, flags, false);
+               rc = bpf_ipv4_fib_lookup(net, params, flags, false);
                break;
 #endif
 #if IS_ENABLED(CONFIG_IPV6)
        case AF_INET6:
-               index = bpf_ipv6_fib_lookup(net, params, flags, false);
+               rc = bpf_ipv6_fib_lookup(net, params, flags, false);
                break;
 #endif
        }
 
-       if (index > 0) {
+       if (!rc) {
                struct net_device *dev;
 
-               dev = dev_get_by_index_rcu(net, index);
+               dev = dev_get_by_index_rcu(net, params->ifindex);
                if (!is_skb_forwardable(dev, skb))
-                       index = 0;
+                       rc = BPF_FIB_LKUP_RET_FRAG_NEEDED;
        }
 
-       return index;
+       return rc;
 }
 
 static const struct bpf_func_proto bpf_skb_fib_lookup_proto = {
index c642304f178ce0a4e1358d59e45032a39f76fb3f..eba8dae22c25b2fe0e49c65392f9c69760f1396f 100644 (file)
@@ -5276,8 +5276,7 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len,
                        if (npages >= 1 << order) {
                                page = alloc_pages((gfp_mask & ~__GFP_DIRECT_RECLAIM) |
                                                   __GFP_COMP |
-                                                  __GFP_NOWARN |
-                                                  __GFP_NORETRY,
+                                                  __GFP_NOWARN,
                                                   order);
                                if (page)
                                        goto fill_page;
index bcc41829a16d50714bdd3c25c976c0b7296fab84..9e8f65585b81152fd9e6c72f7a285a52ef23a686 100644 (file)
@@ -3243,7 +3243,8 @@ static int req_prot_init(const struct proto *prot)
 
        rsk_prot->slab = kmem_cache_create(rsk_prot->slab_name,
                                           rsk_prot->obj_size, 0,
-                                          prot->slab_flags, NULL);
+                                          SLAB_ACCOUNT | prot->slab_flags,
+                                          NULL);
 
        if (!rsk_prot->slab) {
                pr_crit("%s: Can't create request sock SLAB cache!\n",
@@ -3258,7 +3259,8 @@ int proto_register(struct proto *prot, int alloc_slab)
        if (alloc_slab) {
                prot->slab = kmem_cache_create_usercopy(prot->name,
                                        prot->obj_size, 0,
-                                       SLAB_HWCACHE_ALIGN | prot->slab_flags,
+                                       SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT |
+                                       prot->slab_flags,
                                        prot->useroffset, prot->usersize,
                                        NULL);
 
@@ -3281,6 +3283,7 @@ int proto_register(struct proto *prot, int alloc_slab)
                                kmem_cache_create(prot->twsk_prot->twsk_slab_name,
                                                  prot->twsk_prot->twsk_obj_size,
                                                  0,
+                                                 SLAB_ACCOUNT |
                                                  prot->slab_flags,
                                                  NULL);
                        if (prot->twsk_prot->twsk_slab == NULL)
index 8b5ba6dffac7ebc88fd21075793dc3db43a74a43..12877a1514e7b8e873cd26529e58f7ebaae99c1a 100644 (file)
@@ -600,7 +600,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 {
        struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
        struct dccp_sock *dp = dccp_sk(sk);
-       ktime_t now = ktime_get_real();
+       ktime_t now = ktime_get();
        s64 delta = 0;
 
        switch (fbtype) {
@@ -625,15 +625,14 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
        case CCID3_FBACK_PERIODIC:
                delta = ktime_us_delta(now, hc->rx_tstamp_last_feedback);
                if (delta <= 0)
-                       DCCP_BUG("delta (%ld) <= 0", (long)delta);
-               else
-                       hc->rx_x_recv = scaled_div32(hc->rx_bytes_recv, delta);
+                       delta = 1;
+               hc->rx_x_recv = scaled_div32(hc->rx_bytes_recv, delta);
                break;
        default:
                return;
        }
 
-       ccid3_pr_debug("Interval %ldusec, X_recv=%u, 1/p=%u\n", (long)delta,
+       ccid3_pr_debug("Interval %lldusec, X_recv=%u, 1/p=%u\n", delta,
                       hc->rx_x_recv, hc->rx_pinv);
 
        hc->rx_tstamp_last_feedback = now;
@@ -680,7 +679,8 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
 static u32 ccid3_first_li(struct sock *sk)
 {
        struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
-       u32 x_recv, p, delta;
+       u32 x_recv, p;
+       s64 delta;
        u64 fval;
 
        if (hc->rx_rtt == 0) {
@@ -688,7 +688,9 @@ static u32 ccid3_first_li(struct sock *sk)
                hc->rx_rtt = DCCP_FALLBACK_RTT;
        }
 
-       delta  = ktime_to_us(net_timedelta(hc->rx_tstamp_last_feedback));
+       delta = ktime_us_delta(ktime_get(), hc->rx_tstamp_last_feedback);
+       if (delta <= 0)
+               delta = 1;
        x_recv = scaled_div32(hc->rx_bytes_recv, delta);
        if (x_recv == 0) {              /* would also trigger divide-by-zero */
                DCCP_WARN("X_recv==0\n");
index 0ea2ee56ac1bee6948ee4ed37c8172b300a7f9de..f91e3816806baae37e0e0793dcef72e8b291777e 100644 (file)
@@ -316,7 +316,8 @@ int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
                 int flags, int *addr_len);
 void dccp_shutdown(struct sock *sk, int how);
 int inet_dccp_listen(struct socket *sock, int backlog);
-__poll_t dccp_poll_mask(struct socket *sock, __poll_t events);
+__poll_t dccp_poll(struct file *file, struct socket *sock,
+                      poll_table *wait);
 int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
 void dccp_req_err(struct sock *sk, u64 seq);
 
index a9e478cd3787c90f3d81e3bc2f71a14f7b11e280..b08feb219b44b67eadf408a33649d8c7ec9db2d0 100644 (file)
@@ -984,7 +984,7 @@ static const struct proto_ops inet_dccp_ops = {
        .accept            = inet_accept,
        .getname           = inet_getname,
        /* FIXME: work on tcp_poll to rename it to inet_csk_poll */
-       .poll_mask         = dccp_poll_mask,
+       .poll              = dccp_poll,
        .ioctl             = inet_ioctl,
        /* FIXME: work on inet_listen to rename it to sock_common_listen */
        .listen            = inet_dccp_listen,
index 17fc4e0166ba89ed435dc65bbdd5951d9018c093..6344f1b18a6a1b30cd2f3c559987a2c9e9546f81 100644 (file)
@@ -1070,7 +1070,7 @@ static const struct proto_ops inet6_dccp_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = inet_accept,
        .getname           = inet6_getname,
-       .poll_mask         = dccp_poll_mask,
+       .poll              = dccp_poll,
        .ioctl             = inet6_ioctl,
        .listen            = inet_dccp_listen,
        .shutdown          = inet_shutdown,
index ca21c1c76da013575d5bd0c8b3a4ac42eb2b229b..0d56e36a6db7b77dcdeb9697dd81bf62895e6e4c 100644 (file)
@@ -312,11 +312,20 @@ int dccp_disconnect(struct sock *sk, int flags)
 
 EXPORT_SYMBOL_GPL(dccp_disconnect);
 
-__poll_t dccp_poll_mask(struct socket *sock, __poll_t events)
+/*
+ *     Wait for a DCCP event.
+ *
+ *     Note that we don't need to lock the socket, as the upper poll layers
+ *     take care of normal races (between the test and the event) and we don't
+ *     go look at any of the socket buffers directly.
+ */
+__poll_t dccp_poll(struct file *file, struct socket *sock,
+                      poll_table *wait)
 {
        __poll_t mask;
        struct sock *sk = sock->sk;
 
+       sock_poll_wait(file, sk_sleep(sk), wait);
        if (sk->sk_state == DCCP_LISTEN)
                return inet_csk_listen_poll(sk);
 
@@ -358,7 +367,7 @@ __poll_t dccp_poll_mask(struct socket *sock, __poll_t events)
        return mask;
 }
 
-EXPORT_SYMBOL_GPL(dccp_poll_mask);
+EXPORT_SYMBOL_GPL(dccp_poll);
 
 int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg)
 {
index 9a686d890bfad179c09a182245a96bba5dba21ea..7d6ff983ba2cbbf7915a61ffad57e52f66f3a193 100644 (file)
@@ -1207,11 +1207,11 @@ static int dn_getname(struct socket *sock, struct sockaddr *uaddr,int peer)
 }
 
 
-static __poll_t dn_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t dn_poll(struct file *file, struct socket *sock, poll_table  *wait)
 {
        struct sock *sk = sock->sk;
        struct dn_scp *scp = DN_SK(sk);
-       __poll_t mask = datagram_poll_mask(sock, events);
+       __poll_t mask = datagram_poll(file, sock, wait);
 
        if (!skb_queue_empty(&scp->other_receive_queue))
                mask |= EPOLLRDBAND;
@@ -2331,7 +2331,7 @@ static const struct proto_ops dn_proto_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       dn_accept,
        .getname =      dn_getname,
-       .poll_mask =    dn_poll_mask,
+       .poll =         dn_poll,
        .ioctl =        dn_ioctl,
        .listen =       dn_listen,
        .shutdown =     dn_shutdown,
index a0768d2759b8ecb8954dd544561b68f26d0c6510..a60658c85a9ad09b405f2d928e70acf64a9ebc4d 100644 (file)
@@ -423,7 +423,7 @@ static const struct proto_ops ieee802154_raw_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = sock_no_accept,
        .getname           = sock_no_getname,
-       .poll_mask         = datagram_poll_mask,
+       .poll              = datagram_poll,
        .ioctl             = ieee802154_sock_ioctl,
        .listen            = sock_no_listen,
        .shutdown          = sock_no_shutdown,
@@ -969,7 +969,7 @@ static const struct proto_ops ieee802154_dgram_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = sock_no_accept,
        .getname           = sock_no_getname,
-       .poll_mask         = datagram_poll_mask,
+       .poll              = datagram_poll,
        .ioctl             = ieee802154_sock_ioctl,
        .listen            = sock_no_listen,
        .shutdown          = sock_no_shutdown,
index 15e125558c76e5fa2fe466ab0d64be1d3183ebed..b403499fdabea7367f65c588d957a30f5a6572b5 100644 (file)
@@ -986,7 +986,7 @@ const struct proto_ops inet_stream_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = inet_accept,
        .getname           = inet_getname,
-       .poll_mask         = tcp_poll_mask,
+       .poll              = tcp_poll,
        .ioctl             = inet_ioctl,
        .listen            = inet_listen,
        .shutdown          = inet_shutdown,
@@ -1021,7 +1021,7 @@ const struct proto_ops inet_dgram_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = sock_no_accept,
        .getname           = inet_getname,
-       .poll_mask         = udp_poll_mask,
+       .poll              = udp_poll,
        .ioctl             = inet_ioctl,
        .listen            = sock_no_listen,
        .shutdown          = inet_shutdown,
@@ -1042,7 +1042,7 @@ EXPORT_SYMBOL(inet_dgram_ops);
 
 /*
  * For SOCK_RAW sockets; should be the same as inet_dgram_ops but without
- * udp_poll_mask
+ * udp_poll
  */
 static const struct proto_ops inet_sockraw_ops = {
        .family            = PF_INET,
@@ -1053,7 +1053,7 @@ static const struct proto_ops inet_sockraw_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = sock_no_accept,
        .getname           = inet_getname,
-       .poll_mask         = datagram_poll_mask,
+       .poll              = datagram_poll,
        .ioctl             = inet_ioctl,
        .listen            = sock_no_listen,
        .shutdown          = inet_shutdown,
index 1540db65241a6fd4d96b00546f13a3e3d3cd1815..c9ec1603666bffcfb24597b933a05f53b6d83440 100644 (file)
@@ -448,9 +448,7 @@ next_proto:
 out_unlock:
        rcu_read_unlock();
 out:
-       NAPI_GRO_CB(skb)->flush |= flush;
-       skb_gro_remcsum_cleanup(skb, &grc);
-       skb->remcsum_offload = 0;
+       skb_gro_flush_final_remcsum(skb, pp, flush, &grc);
 
        return pp;
 }
index 1859c473b21a862b383edebbcf2c1656f9c58b3b..6a7d980105f60514c8180e6333f0a4a53912c3d5 100644 (file)
@@ -223,7 +223,7 @@ static struct sk_buff **gre_gro_receive(struct sk_buff **head,
 out_unlock:
        rcu_read_unlock();
 out:
-       NAPI_GRO_CB(skb)->flush |= flush;
+       skb_gro_flush_final(skb, pp, flush);
 
        return pp;
 }
index d06247ba08b2667b1049329e8921af9388545c54..af0a857d8352f2bc94d4f6baa0438a7ac9b2157b 100644 (file)
@@ -265,8 +265,9 @@ static int proc_tcp_fastopen_key(struct ctl_table *table, int write,
            ipv4.sysctl_tcp_fastopen);
        struct ctl_table tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) };
        struct tcp_fastopen_context *ctxt;
-       int ret;
        u32  user_key[4]; /* 16 bytes, matching TCP_FASTOPEN_KEY_LENGTH */
+       __le32 key[4];
+       int ret, i;
 
        tbl.data = kmalloc(tbl.maxlen, GFP_KERNEL);
        if (!tbl.data)
@@ -275,11 +276,14 @@ static int proc_tcp_fastopen_key(struct ctl_table *table, int write,
        rcu_read_lock();
        ctxt = rcu_dereference(net->ipv4.tcp_fastopen_ctx);
        if (ctxt)
-               memcpy(user_key, ctxt->key, TCP_FASTOPEN_KEY_LENGTH);
+               memcpy(key, ctxt->key, TCP_FASTOPEN_KEY_LENGTH);
        else
-               memset(user_key, 0, sizeof(user_key));
+               memset(key, 0, sizeof(key));
        rcu_read_unlock();
 
+       for (i = 0; i < ARRAY_SIZE(key); i++)
+               user_key[i] = le32_to_cpu(key[i]);
+
        snprintf(tbl.data, tbl.maxlen, "%08x-%08x-%08x-%08x",
                user_key[0], user_key[1], user_key[2], user_key[3]);
        ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
@@ -290,13 +294,17 @@ static int proc_tcp_fastopen_key(struct ctl_table *table, int write,
                        ret = -EINVAL;
                        goto bad_key;
                }
-               tcp_fastopen_reset_cipher(net, NULL, user_key,
+
+               for (i = 0; i < ARRAY_SIZE(user_key); i++)
+                       key[i] = cpu_to_le32(user_key[i]);
+
+               tcp_fastopen_reset_cipher(net, NULL, key,
                                          TCP_FASTOPEN_KEY_LENGTH);
        }
 
 bad_key:
        pr_debug("proc FO key set 0x%x-%x-%x-%x <- 0x%s: %u\n",
-              user_key[0], user_key[1], user_key[2], user_key[3],
+               user_key[0], user_key[1], user_key[2], user_key[3],
               (char *)tbl.data, ret);
        kfree(tbl.data);
        return ret;
index 141acd92e58aeddeb9a0ba1eaacf3bd520a836a3..e7b53d2a971f266bfa8d6403063fe82de61aaebe 100644 (file)
@@ -494,21 +494,32 @@ static inline bool tcp_stream_is_readable(const struct tcp_sock *tp,
 }
 
 /*
- * Socket is not locked. We are protected from async events by poll logic and
- * correct handling of state changes made by other threads is impossible in
- * any case.
+ *     Wait for a TCP event.
+ *
+ *     Note that we don't need to lock the socket, as the upper poll layers
+ *     take care of normal races (between the test and the event) and we don't
+ *     go look at any of the socket buffers directly.
  */
-__poll_t tcp_poll_mask(struct socket *sock, __poll_t events)
+__poll_t tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
+       __poll_t mask;
        struct sock *sk = sock->sk;
        const struct tcp_sock *tp = tcp_sk(sk);
-       __poll_t mask = 0;
        int state;
 
+       sock_poll_wait(file, sk_sleep(sk), wait);
+
        state = inet_sk_state_load(sk);
        if (state == TCP_LISTEN)
                return inet_csk_listen_poll(sk);
 
+       /* Socket is not locked. We are protected from async events
+        * by poll logic and correct handling of state changes
+        * made by other threads is impossible in any case.
+        */
+
+       mask = 0;
+
        /*
         * EPOLLHUP is certainly not done right. But poll() doesn't
         * have a notion of HUP in just one direction, and for a
@@ -589,7 +600,7 @@ __poll_t tcp_poll_mask(struct socket *sock, __poll_t events)
 
        return mask;
 }
-EXPORT_SYMBOL(tcp_poll_mask);
+EXPORT_SYMBOL(tcp_poll);
 
 int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg)
 {
index 355d3dffd021ccad0f30891994289d916f7d276c..8e5522c6833ad5b01c32590f62e2b20131869327 100644 (file)
@@ -265,7 +265,7 @@ static void __tcp_ecn_check_ce(struct sock *sk, const struct sk_buff *skb)
                 * it is probably a retransmit.
                 */
                if (tp->ecn_flags & TCP_ECN_SEEN)
-                       tcp_enter_quickack_mode(sk, 1);
+                       tcp_enter_quickack_mode(sk, 2);
                break;
        case INET_ECN_CE:
                if (tcp_ca_needs_ecn(sk))
@@ -273,7 +273,7 @@ static void __tcp_ecn_check_ce(struct sock *sk, const struct sk_buff *skb)
 
                if (!(tp->ecn_flags & TCP_ECN_DEMAND_CWR)) {
                        /* Better not delay acks, sender can have a very low cwnd */
-                       tcp_enter_quickack_mode(sk, 1);
+                       tcp_enter_quickack_mode(sk, 2);
                        tp->ecn_flags |= TCP_ECN_DEMAND_CWR;
                }
                tp->ecn_flags |= TCP_ECN_SEEN;
@@ -3181,6 +3181,15 @@ static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack,
 
                if (tcp_is_reno(tp)) {
                        tcp_remove_reno_sacks(sk, pkts_acked);
+
+                       /* If any of the cumulatively ACKed segments was
+                        * retransmitted, non-SACK case cannot confirm that
+                        * progress was due to original transmission due to
+                        * lack of TCPCB_SACKED_ACKED bits even if some of
+                        * the packets may have been never retransmitted.
+                        */
+                       if (flag & FLAG_RETRANS_DATA_ACKED)
+                               flag &= ~FLAG_ORIG_SACK_ACKED;
                } else {
                        int delta;
 
index 9bb27df4dac5ec5f133b15e972f384bdc1d165b1..24e116ddae79ce0696e3f63290385ae15e28ac18 100644 (file)
@@ -2591,7 +2591,7 @@ int compat_udp_getsockopt(struct sock *sk, int level, int optname,
  *     udp_poll - wait for a UDP event.
  *     @file - file struct
  *     @sock - socket
- *     @events - events to wait for
+ *     @wait - poll table
  *
  *     This is same as datagram poll, except for the special case of
  *     blocking sockets. If application is using a blocking fd
@@ -2600,23 +2600,23 @@ int compat_udp_getsockopt(struct sock *sk, int level, int optname,
  *     but then block when reading it. Add special case code
  *     to work around these arguably broken applications.
  */
-__poll_t udp_poll_mask(struct socket *sock, __poll_t events)
+__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
-       __poll_t mask = datagram_poll_mask(sock, events);
+       __poll_t mask = datagram_poll(file, sock, wait);
        struct sock *sk = sock->sk;
 
        if (!skb_queue_empty(&udp_sk(sk)->reader_queue))
                mask |= EPOLLIN | EPOLLRDNORM;
 
        /* Check for false positives due to checksum errors */
-       if ((mask & EPOLLRDNORM) && !(sock->file->f_flags & O_NONBLOCK) &&
+       if ((mask & EPOLLRDNORM) && !(file->f_flags & O_NONBLOCK) &&
            !(sk->sk_shutdown & RCV_SHUTDOWN) && first_packet_length(sk) == -1)
                mask &= ~(EPOLLIN | EPOLLRDNORM);
 
        return mask;
 
 }
-EXPORT_SYMBOL(udp_poll_mask);
+EXPORT_SYMBOL(udp_poll);
 
 int udp_abort(struct sock *sk, int err)
 {
index 92dc9e5a7ff3d0a7509bfa2a66e9189c8341a5fa..69c54540d5b4f2664b78b56468b09e3c1f6ac888 100644 (file)
@@ -394,7 +394,7 @@ unflush:
 out_unlock:
        rcu_read_unlock();
 out:
-       NAPI_GRO_CB(skb)->flush |= flush;
+       skb_gro_flush_final(skb, pp, flush);
        return pp;
 }
 EXPORT_SYMBOL(udp_gro_receive);
index c134286d6a4179516709570ad534d1ae26fd0bce..91580c62bb86bc3fb67661566e9b9e82a2e14e8c 100644 (file)
@@ -4528,6 +4528,7 @@ static int modify_prefix_route(struct inet6_ifaddr *ifp,
                               unsigned long expires, u32 flags)
 {
        struct fib6_info *f6i;
+       u32 prio;
 
        f6i = addrconf_get_prefix_route(&ifp->addr,
                                        ifp->prefix_len,
@@ -4536,13 +4537,15 @@ static int modify_prefix_route(struct inet6_ifaddr *ifp,
        if (!f6i)
                return -ENOENT;
 
-       if (f6i->fib6_metric != ifp->rt_priority) {
+       prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF;
+       if (f6i->fib6_metric != prio) {
+               /* delete old one */
+               ip6_del_rt(dev_net(ifp->idev->dev), f6i);
+
                /* add new one */
                addrconf_prefix_route(&ifp->addr, ifp->prefix_len,
                                      ifp->rt_priority, ifp->idev->dev,
                                      expires, flags, GFP_KERNEL);
-               /* delete old one */
-               ip6_del_rt(dev_net(ifp->idev->dev), f6i);
        } else {
                if (!expires)
                        fib6_clean_expires(f6i);
index 74f2a261e8df4dc78a3baddb31609cdc70ba6035..9ed0eae91758f8506b4f6ca0fe3a9c2dc3fe1323 100644 (file)
@@ -570,7 +570,7 @@ const struct proto_ops inet6_stream_ops = {
        .socketpair        = sock_no_socketpair,        /* a do nothing */
        .accept            = inet_accept,               /* ok           */
        .getname           = inet6_getname,
-       .poll_mask         = tcp_poll_mask,             /* ok           */
+       .poll              = tcp_poll,                  /* ok           */
        .ioctl             = inet6_ioctl,               /* must change  */
        .listen            = inet_listen,               /* ok           */
        .shutdown          = inet_shutdown,             /* ok           */
@@ -603,7 +603,7 @@ const struct proto_ops inet6_dgram_ops = {
        .socketpair        = sock_no_socketpair,        /* a do nothing */
        .accept            = sock_no_accept,            /* a do nothing */
        .getname           = inet6_getname,
-       .poll_mask         = udp_poll_mask,             /* ok           */
+       .poll              = udp_poll,                  /* ok           */
        .ioctl             = inet6_ioctl,               /* must change  */
        .listen            = sock_no_listen,            /* ok           */
        .shutdown          = inet_shutdown,             /* ok           */
index 975021df7c1cf2eae6897e3dd57ea20998f4ea90..c0c74088f2afa841de20ed3382f7c6c6087691c3 100644 (file)
@@ -2082,7 +2082,8 @@ void ipv6_mc_dad_complete(struct inet6_dev *idev)
                mld_send_initial_cr(idev);
                idev->mc_dad_count--;
                if (idev->mc_dad_count)
-                       mld_dad_start_timer(idev, idev->mc_maxdelay);
+                       mld_dad_start_timer(idev,
+                                           unsolicited_report_interval(idev));
        }
 }
 
@@ -2094,7 +2095,8 @@ static void mld_dad_timer_expire(struct timer_list *t)
        if (idev->mc_dad_count) {
                idev->mc_dad_count--;
                if (idev->mc_dad_count)
-                       mld_dad_start_timer(idev, idev->mc_maxdelay);
+                       mld_dad_start_timer(idev,
+                                           unsolicited_report_interval(idev));
        }
        in6_dev_put(idev);
 }
@@ -2452,7 +2454,8 @@ static void mld_ifc_timer_expire(struct timer_list *t)
        if (idev->mc_ifc_count) {
                idev->mc_ifc_count--;
                if (idev->mc_ifc_count)
-                       mld_ifc_start_timer(idev, idev->mc_maxdelay);
+                       mld_ifc_start_timer(idev,
+                                           unsolicited_report_interval(idev));
        }
        in6_dev_put(idev);
 }
index 5e0332014c1738999e680c1853829f384e880284..a452d99c9f5281b5e5d7e6f0162611deeb82212d 100644 (file)
@@ -107,7 +107,7 @@ static int nf_ct_frag6_sysctl_register(struct net *net)
        if (hdr == NULL)
                goto err_reg;
 
-       net->nf_frag.sysctl.frags_hdr = hdr;
+       net->nf_frag_frags_hdr = hdr;
        return 0;
 
 err_reg:
@@ -121,8 +121,8 @@ static void __net_exit nf_ct_frags6_sysctl_unregister(struct net *net)
 {
        struct ctl_table *table;
 
-       table = net->nf_frag.sysctl.frags_hdr->ctl_table_arg;
-       unregister_net_sysctl_table(net->nf_frag.sysctl.frags_hdr);
+       table = net->nf_frag_frags_hdr->ctl_table_arg;
+       unregister_net_sysctl_table(net->nf_frag_frags_hdr);
        if (!net_eq(net, &init_net))
                kfree(table);
 }
index ce6f0d15b5dd5d8a9531a8316a932d3d30a3491b..afc307c89d1a977a00693999ec0f54b50005b7bd 100644 (file)
@@ -1334,7 +1334,7 @@ void raw6_proc_exit(void)
 }
 #endif /* CONFIG_PROC_FS */
 
-/* Same as inet6_dgram_ops, sans udp_poll_mask.  */
+/* Same as inet6_dgram_ops, sans udp_poll.  */
 const struct proto_ops inet6_sockraw_ops = {
        .family            = PF_INET6,
        .owner             = THIS_MODULE,
@@ -1344,7 +1344,7 @@ const struct proto_ops inet6_sockraw_ops = {
        .socketpair        = sock_no_socketpair,        /* a do nothing */
        .accept            = sock_no_accept,            /* a do nothing */
        .getname           = inet6_getname,
-       .poll_mask         = datagram_poll_mask,        /* ok           */
+       .poll              = datagram_poll,             /* ok           */
        .ioctl             = inet6_ioctl,               /* must change  */
        .listen            = sock_no_listen,            /* ok           */
        .shutdown          = inet_shutdown,             /* ok           */
index 33fb35cbfac132b1a85cd2c9ce62b4344cbe8afe..558fe8cc6d43858ca828cbd8dc8ea65e63bc6602 100644 (file)
@@ -373,7 +373,7 @@ static int seg6_hmac_init_algo(void)
                        return -ENOMEM;
 
                for_each_possible_cpu(cpu) {
-                       tfm = crypto_alloc_shash(algo->name, 0, GFP_KERNEL);
+                       tfm = crypto_alloc_shash(algo->name, 0, 0);
                        if (IS_ERR(tfm))
                                return PTR_ERR(tfm);
                        p_tfm = per_cpu_ptr(algo->tfms, cpu);
index 68e86257a549988b5f87098b24c8e3d0bd1dc1ce..893a022f962081416fa1b9e5f96416a8c2e92e5c 100644 (file)
@@ -1488,11 +1488,14 @@ static inline __poll_t iucv_accept_poll(struct sock *parent)
        return 0;
 }
 
-static __poll_t iucv_sock_poll_mask(struct socket *sock, __poll_t events)
+__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
+                           poll_table *wait)
 {
        struct sock *sk = sock->sk;
        __poll_t mask = 0;
 
+       sock_poll_wait(file, sk_sleep(sk), wait);
+
        if (sk->sk_state == IUCV_LISTEN)
                return iucv_accept_poll(sk);
 
@@ -2385,7 +2388,7 @@ static const struct proto_ops iucv_sock_ops = {
        .getname        = iucv_sock_getname,
        .sendmsg        = iucv_sock_sendmsg,
        .recvmsg        = iucv_sock_recvmsg,
-       .poll_mask      = iucv_sock_poll_mask,
+       .poll           = iucv_sock_poll,
        .ioctl          = sock_no_ioctl,
        .mmap           = sock_no_mmap,
        .socketpair     = sock_no_socketpair,
index 84b7d5c6fec81a7c62ed4744d48726dee8c7e426..d3601d421571b9825ff0a6cea9b75cb52fd51dea 100644 (file)
@@ -1336,9 +1336,9 @@ static void init_kcm_sock(struct kcm_sock *kcm, struct kcm_mux *mux)
        struct list_head *head;
        int index = 0;
 
-       /* For SOCK_SEQPACKET sock type, datagram_poll_mask checks the sk_state,
-        * so  we set sk_state, otherwise epoll_wait always returns right away
-        * with EPOLLHUP
+       /* For SOCK_SEQPACKET sock type, datagram_poll checks the sk_state, so
+        * we set sk_state, otherwise epoll_wait always returns right away with
+        * EPOLLHUP
         */
        kcm->sk.sk_state = TCP_ESTABLISHED;
 
@@ -1903,7 +1903,7 @@ static const struct proto_ops kcm_dgram_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       sock_no_accept,
        .getname =      sock_no_getname,
-       .poll_mask =    datagram_poll_mask,
+       .poll =         datagram_poll,
        .ioctl =        kcm_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     sock_no_shutdown,
@@ -1924,7 +1924,7 @@ static const struct proto_ops kcm_seqpacket_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       sock_no_accept,
        .getname =      sock_no_getname,
-       .poll_mask =    datagram_poll_mask,
+       .poll =         datagram_poll,
        .ioctl =        kcm_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     sock_no_shutdown,
index 8bdc1cbe490a4ae819db32851ea6a8184b0727b0..5e1d2946ffbf2a2cf4e65db44658c7f374e72e25 100644 (file)
@@ -3751,7 +3751,7 @@ static const struct proto_ops pfkey_ops = {
 
        /* Now the operations that really occur. */
        .release        =       pfkey_release,
-       .poll_mask      =       datagram_poll_mask,
+       .poll           =       datagram_poll,
        .sendmsg        =       pfkey_sendmsg,
        .recvmsg        =       pfkey_recvmsg,
 };
index 181073bf69251392c3a7fd23197a278f37dd67f0..a9c05b2bc1b0bc3471bbf62dc3b7c11e971a7f08 100644 (file)
@@ -613,7 +613,7 @@ static const struct proto_ops l2tp_ip_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = sock_no_accept,
        .getname           = l2tp_ip_getname,
-       .poll_mask         = datagram_poll_mask,
+       .poll              = datagram_poll,
        .ioctl             = inet_ioctl,
        .listen            = sock_no_listen,
        .shutdown          = inet_shutdown,
index 336e4c00abbcdaef7385c90e24d2088131efe095..957369192ca181d6da21c9dda03d0e8a9726643e 100644 (file)
@@ -754,7 +754,7 @@ static const struct proto_ops l2tp_ip6_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = sock_no_accept,
        .getname           = l2tp_ip6_getname,
-       .poll_mask         = datagram_poll_mask,
+       .poll              = datagram_poll,
        .ioctl             = inet6_ioctl,
        .listen            = sock_no_listen,
        .shutdown          = inet_shutdown,
index 55188382845c310c98eb86cdfc3b78e1d03e8e0f..e398797878a9740e2b3a1525802a032705981630 100644 (file)
@@ -1818,7 +1818,7 @@ static const struct proto_ops pppol2tp_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = pppol2tp_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
        .setsockopt     = pppol2tp_setsockopt,
index 804de84901868a4cffd2ec5d6c9e979af937cb59..1beeea9549fa6ec1f7b0e5f9af8ff3250a316f59 100644 (file)
@@ -1192,7 +1192,7 @@ static const struct proto_ops llc_ui_ops = {
        .socketpair  = sock_no_socketpair,
        .accept      = llc_ui_accept,
        .getname     = llc_ui_getname,
-       .poll_mask   = datagram_poll_mask,
+       .poll        = datagram_poll,
        .ioctl       = llc_ui_ioctl,
        .listen      = llc_ui_listen,
        .shutdown    = llc_ui_shutdown,
index 44b5dfe8727d936d39338006bc89b125c848d12b..fa1f1e63a2640fd405e42e5aeae9718b4ef12d2a 100644 (file)
@@ -4845,7 +4845,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
        skb_reset_network_header(skb);
        skb_reset_mac_header(skb);
 
+       local_bh_disable();
        __ieee80211_subif_start_xmit(skb, skb->dev, flags);
+       local_bh_enable();
 
        return 0;
 }
index d8383609fe2825b707cfb8ebc54381761ccc1108..510039862aa93c99904d2dbd3a7969327d0d896a 100644 (file)
@@ -47,6 +47,8 @@ struct nf_conncount_tuple {
        struct hlist_node               node;
        struct nf_conntrack_tuple       tuple;
        struct nf_conntrack_zone        zone;
+       int                             cpu;
+       u32                             jiffies32;
 };
 
 struct nf_conncount_rb {
@@ -91,11 +93,42 @@ bool nf_conncount_add(struct hlist_head *head,
                return false;
        conn->tuple = *tuple;
        conn->zone = *zone;
+       conn->cpu = raw_smp_processor_id();
+       conn->jiffies32 = (u32)jiffies;
        hlist_add_head(&conn->node, head);
        return true;
 }
 EXPORT_SYMBOL_GPL(nf_conncount_add);
 
+static const struct nf_conntrack_tuple_hash *
+find_or_evict(struct net *net, struct nf_conncount_tuple *conn)
+{
+       const struct nf_conntrack_tuple_hash *found;
+       unsigned long a, b;
+       int cpu = raw_smp_processor_id();
+       __s32 age;
+
+       found = nf_conntrack_find_get(net, &conn->zone, &conn->tuple);
+       if (found)
+               return found;
+       b = conn->jiffies32;
+       a = (u32)jiffies;
+
+       /* conn might have been added just before by another cpu and
+        * might still be unconfirmed.  In this case, nf_conntrack_find()
+        * returns no result.  Thus only evict if this cpu added the
+        * stale entry or if the entry is older than two jiffies.
+        */
+       age = a - b;
+       if (conn->cpu == cpu || age >= 2) {
+               hlist_del(&conn->node);
+               kmem_cache_free(conncount_conn_cachep, conn);
+               return ERR_PTR(-ENOENT);
+       }
+
+       return ERR_PTR(-EAGAIN);
+}
+
 unsigned int nf_conncount_lookup(struct net *net, struct hlist_head *head,
                                 const struct nf_conntrack_tuple *tuple,
                                 const struct nf_conntrack_zone *zone,
@@ -103,18 +136,27 @@ unsigned int nf_conncount_lookup(struct net *net, struct hlist_head *head,
 {
        const struct nf_conntrack_tuple_hash *found;
        struct nf_conncount_tuple *conn;
-       struct hlist_node *n;
        struct nf_conn *found_ct;
+       struct hlist_node *n;
        unsigned int length = 0;
 
        *addit = tuple ? true : false;
 
        /* check the saved connections */
        hlist_for_each_entry_safe(conn, n, head, node) {
-               found = nf_conntrack_find_get(net, &conn->zone, &conn->tuple);
-               if (found == NULL) {
-                       hlist_del(&conn->node);
-                       kmem_cache_free(conncount_conn_cachep, conn);
+               found = find_or_evict(net, conn);
+               if (IS_ERR(found)) {
+                       /* Not found, but might be about to be confirmed */
+                       if (PTR_ERR(found) == -EAGAIN) {
+                               length++;
+                               if (!tuple)
+                                       continue;
+
+                               if (nf_ct_tuple_equal(&conn->tuple, tuple) &&
+                                   nf_ct_zone_id(&conn->zone, conn->zone.dir) ==
+                                   nf_ct_zone_id(zone, zone->dir))
+                                       *addit = false;
+                       }
                        continue;
                }
 
index 551a1eddf0fab75eccf803b9711e069e61e60d5d..a75b11c393128d79107fc447c5109b7d0a786ea5 100644 (file)
@@ -465,6 +465,11 @@ void nf_conntrack_helper_unregister(struct nf_conntrack_helper *me)
 
        nf_ct_expect_iterate_destroy(expect_iter_me, NULL);
        nf_ct_iterate_destroy(unhelp, me);
+
+       /* Maybe someone has gotten the helper already when unhelp above.
+        * So need to wait it.
+        */
+       synchronize_rcu();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_helper_unregister);
 
index 4264570475788be388e603c1bc70330c812d0eb3..a61d6df6e5f64f5b2086d14f35c88a0491f77ce6 100644 (file)
@@ -424,6 +424,10 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write,
        if (write) {
                struct ctl_table tmp = *table;
 
+               /* proc_dostring() can append to existing strings, so we need to
+                * initialize it as an empty string.
+                */
+               buf[0] = '\0';
                tmp.data = buf;
                r = proc_dostring(&tmp, write, buffer, lenp, ppos);
                if (r)
@@ -442,14 +446,17 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write,
                rcu_assign_pointer(net->nf.nf_loggers[tindex], logger);
                mutex_unlock(&nf_log_mutex);
        } else {
+               struct ctl_table tmp = *table;
+
+               tmp.data = buf;
                mutex_lock(&nf_log_mutex);
                logger = nft_log_dereference(net->nf.nf_loggers[tindex]);
                if (!logger)
-                       table->data = "NONE";
+                       strlcpy(buf, "NONE", sizeof(buf));
                else
-                       table->data = logger->name;
-               r = proc_dostring(table, write, buffer, lenp, ppos);
+                       strlcpy(buf, logger->name, sizeof(buf));
                mutex_unlock(&nf_log_mutex);
+               r = proc_dostring(&tmp, write, buffer, lenp, ppos);
        }
 
        return r;
index 4ccd2988f9db637166358335d8e26299c7237bec..ea4ba551abb28cb25c833dc408e23d1313b21bb4 100644 (file)
@@ -1243,6 +1243,9 @@ static int nfqnl_recv_unsupp(struct net *net, struct sock *ctnl,
 static const struct nla_policy nfqa_cfg_policy[NFQA_CFG_MAX+1] = {
        [NFQA_CFG_CMD]          = { .len = sizeof(struct nfqnl_msg_config_cmd) },
        [NFQA_CFG_PARAMS]       = { .len = sizeof(struct nfqnl_msg_config_params) },
+       [NFQA_CFG_QUEUE_MAXLEN] = { .type = NLA_U32 },
+       [NFQA_CFG_MASK]         = { .type = NLA_U32 },
+       [NFQA_CFG_FLAGS]        = { .type = NLA_U32 },
 };
 
 static const struct nf_queue_handler nfqh = {
index 1189b84413d5a8236f878a9cc99bcfa09368ec69..393573a99a5a34d3ebaad3a71b36293b6c2fb19f 100644 (file)
@@ -2658,7 +2658,7 @@ static const struct proto_ops netlink_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       sock_no_accept,
        .getname =      netlink_getname,
-       .poll_mask =    datagram_poll_mask,
+       .poll =         datagram_poll,
        .ioctl =        netlink_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     sock_no_shutdown,
index 93fbcafbf3886d34b0be87244c405b8319df89dd..03f37c4e64fe44cd822952225736084ad151b2e8 100644 (file)
@@ -1355,7 +1355,7 @@ static const struct proto_ops nr_proto_ops = {
        .socketpair     =       sock_no_socketpair,
        .accept         =       nr_accept,
        .getname        =       nr_getname,
-       .poll_mask      =       datagram_poll_mask,
+       .poll           =       datagram_poll,
        .ioctl          =       nr_ioctl,
        .listen         =       nr_listen,
        .shutdown       =       sock_no_shutdown,
index ab5bb14b49af92241b12584925983de43b143bb7..ea0c0c6f187429426f4849347c09b847f0111fff 100644 (file)
@@ -548,13 +548,16 @@ static inline __poll_t llcp_accept_poll(struct sock *parent)
        return 0;
 }
 
-static __poll_t llcp_sock_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t llcp_sock_poll(struct file *file, struct socket *sock,
+                                  poll_table *wait)
 {
        struct sock *sk = sock->sk;
        __poll_t mask = 0;
 
        pr_debug("%p\n", sk);
 
+       sock_poll_wait(file, sk_sleep(sk), wait);
+
        if (sk->sk_state == LLCP_LISTEN)
                return llcp_accept_poll(sk);
 
@@ -896,7 +899,7 @@ static const struct proto_ops llcp_sock_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = llcp_sock_accept,
        .getname        = llcp_sock_getname,
-       .poll_mask      = llcp_sock_poll_mask,
+       .poll           = llcp_sock_poll,
        .ioctl          = sock_no_ioctl,
        .listen         = llcp_sock_listen,
        .shutdown       = sock_no_shutdown,
@@ -916,7 +919,7 @@ static const struct proto_ops llcp_rawsock_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = llcp_sock_getname,
-       .poll_mask      = llcp_sock_poll_mask,
+       .poll           = llcp_sock_poll,
        .ioctl          = sock_no_ioctl,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
index 60c322531c498f1d43582be5b76f3a2f575ed5bc..e2188deb08dc3bb16e2a60808b274a4a092fd2ee 100644 (file)
@@ -284,7 +284,7 @@ static const struct proto_ops rawsock_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = sock_no_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .ioctl          = sock_no_ioctl,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
@@ -304,7 +304,7 @@ static const struct proto_ops rawsock_raw_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = sock_no_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .ioctl          = sock_no_ioctl,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
index 50809748c1279ea17b7499acbec5699443804f64..57634bc3da74aebbad7a9c5398fbe848b1a72d0d 100644 (file)
@@ -2262,6 +2262,13 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
                if (po->stats.stats1.tp_drops)
                        status |= TP_STATUS_LOSING;
        }
+
+       if (do_vnet &&
+           virtio_net_hdr_from_skb(skb, h.raw + macoff -
+                                   sizeof(struct virtio_net_hdr),
+                                   vio_le(), true, 0))
+               goto drop_n_account;
+
        po->stats.stats1.tp_packets++;
        if (copy_skb) {
                status |= TP_STATUS_COPY;
@@ -2269,15 +2276,6 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
        }
        spin_unlock(&sk->sk_receive_queue.lock);
 
-       if (do_vnet) {
-               if (virtio_net_hdr_from_skb(skb, h.raw + macoff -
-                                           sizeof(struct virtio_net_hdr),
-                                           vio_le(), true, 0)) {
-                       spin_lock(&sk->sk_receive_queue.lock);
-                       goto drop_n_account;
-               }
-       }
-
        skb_copy_bits(skb, 0, h.raw + macoff, snaplen);
 
        if (!(ts_status = tpacket_get_timestamp(skb, &ts, po->tp_tstamp)))
@@ -4078,11 +4076,12 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
        return 0;
 }
 
-static __poll_t packet_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t packet_poll(struct file *file, struct socket *sock,
+                               poll_table *wait)
 {
        struct sock *sk = sock->sk;
        struct packet_sock *po = pkt_sk(sk);
-       __poll_t mask = datagram_poll_mask(sock, events);
+       __poll_t mask = datagram_poll(file, sock, wait);
 
        spin_lock_bh(&sk->sk_receive_queue.lock);
        if (po->rx_ring.pg_vec) {
@@ -4424,7 +4423,7 @@ static const struct proto_ops packet_ops_spkt = {
        .socketpair =   sock_no_socketpair,
        .accept =       sock_no_accept,
        .getname =      packet_getname_spkt,
-       .poll_mask =    datagram_poll_mask,
+       .poll =         datagram_poll,
        .ioctl =        packet_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     sock_no_shutdown,
@@ -4445,7 +4444,7 @@ static const struct proto_ops packet_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       sock_no_accept,
        .getname =      packet_getname,
-       .poll_mask =    packet_poll_mask,
+       .poll =         packet_poll,
        .ioctl =        packet_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     sock_no_shutdown,
index c295c4e20f012f31c1b443c5f859969caf412cec..30187990257fdb07a57c03707d6e1af0740b42f0 100644 (file)
@@ -340,12 +340,15 @@ static int pn_socket_getname(struct socket *sock, struct sockaddr *addr,
        return sizeof(struct sockaddr_pn);
 }
 
-static __poll_t pn_socket_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t pn_socket_poll(struct file *file, struct socket *sock,
+                                       poll_table *wait)
 {
        struct sock *sk = sock->sk;
        struct pep_sock *pn = pep_sk(sk);
        __poll_t mask = 0;
 
+       poll_wait(file, sk_sleep(sk), wait);
+
        if (sk->sk_state == TCP_CLOSE)
                return EPOLLERR;
        if (!skb_queue_empty(&sk->sk_receive_queue))
@@ -445,7 +448,7 @@ const struct proto_ops phonet_dgram_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = pn_socket_getname,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .ioctl          = pn_socket_ioctl,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
@@ -470,7 +473,7 @@ const struct proto_ops phonet_stream_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = pn_socket_accept,
        .getname        = pn_socket_getname,
-       .poll_mask      = pn_socket_poll_mask,
+       .poll           = pn_socket_poll,
        .ioctl          = pn_socket_ioctl,
        .listen         = pn_socket_listen,
        .shutdown       = sock_no_shutdown,
index 1b5025ea5b0426272145b56fa42e21d908612243..2aa07b547b1685a6aa96155c559dbefd21150281 100644 (file)
@@ -1023,7 +1023,7 @@ static const struct proto_ops qrtr_proto_ops = {
        .recvmsg        = qrtr_recvmsg,
        .getname        = qrtr_getname,
        .ioctl          = qrtr_ioctl,
-       .poll_mask      = datagram_poll_mask,
+       .poll           = datagram_poll,
        .shutdown       = sock_no_shutdown,
        .setsockopt     = sock_no_setsockopt,
        .getsockopt     = sock_no_getsockopt,
index abef75da89a7450092aefc46ed902e6602fba7a6..cfb05953b0e57afad21fd708f0df42d63c77cd55 100644 (file)
@@ -659,11 +659,19 @@ static void rds_conn_info(struct socket *sock, unsigned int len,
 
 int rds_conn_init(void)
 {
+       int ret;
+
+       ret = rds_loop_net_init(); /* register pernet callback */
+       if (ret)
+               return ret;
+
        rds_conn_slab = kmem_cache_create("rds_connection",
                                          sizeof(struct rds_connection),
                                          0, 0, NULL);
-       if (!rds_conn_slab)
+       if (!rds_conn_slab) {
+               rds_loop_net_exit();
                return -ENOMEM;
+       }
 
        rds_info_register_func(RDS_INFO_CONNECTIONS, rds_conn_info);
        rds_info_register_func(RDS_INFO_SEND_MESSAGES,
@@ -676,6 +684,7 @@ int rds_conn_init(void)
 
 void rds_conn_exit(void)
 {
+       rds_loop_net_exit(); /* unregister pernet callback */
        rds_loop_exit();
 
        WARN_ON(!hlist_empty(rds_conn_hash));
index dac6218a460ed4d4a5b7b03ad4f6056a68784a16..feea1f96ee2ad582dce8f815442da1bbf6e0508a 100644 (file)
@@ -33,6 +33,8 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/in.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
 
 #include "rds_single_path.h"
 #include "rds.h"
 
 static DEFINE_SPINLOCK(loop_conns_lock);
 static LIST_HEAD(loop_conns);
+static atomic_t rds_loop_unloading = ATOMIC_INIT(0);
+
+static void rds_loop_set_unloading(void)
+{
+       atomic_set(&rds_loop_unloading, 1);
+}
+
+static bool rds_loop_is_unloading(struct rds_connection *conn)
+{
+       return atomic_read(&rds_loop_unloading) != 0;
+}
 
 /*
  * This 'loopback' transport is a special case for flows that originate
@@ -165,6 +178,8 @@ void rds_loop_exit(void)
        struct rds_loop_connection *lc, *_lc;
        LIST_HEAD(tmp_list);
 
+       rds_loop_set_unloading();
+       synchronize_rcu();
        /* avoid calling conn_destroy with irqs off */
        spin_lock_irq(&loop_conns_lock);
        list_splice(&loop_conns, &tmp_list);
@@ -177,6 +192,46 @@ void rds_loop_exit(void)
        }
 }
 
+static void rds_loop_kill_conns(struct net *net)
+{
+       struct rds_loop_connection *lc, *_lc;
+       LIST_HEAD(tmp_list);
+
+       spin_lock_irq(&loop_conns_lock);
+       list_for_each_entry_safe(lc, _lc, &loop_conns, loop_node)  {
+               struct net *c_net = read_pnet(&lc->conn->c_net);
+
+               if (net != c_net)
+                       continue;
+               list_move_tail(&lc->loop_node, &tmp_list);
+       }
+       spin_unlock_irq(&loop_conns_lock);
+
+       list_for_each_entry_safe(lc, _lc, &tmp_list, loop_node) {
+               WARN_ON(lc->conn->c_passive);
+               rds_conn_destroy(lc->conn);
+       }
+}
+
+static void __net_exit rds_loop_exit_net(struct net *net)
+{
+       rds_loop_kill_conns(net);
+}
+
+static struct pernet_operations rds_loop_net_ops = {
+       .exit = rds_loop_exit_net,
+};
+
+int rds_loop_net_init(void)
+{
+       return register_pernet_device(&rds_loop_net_ops);
+}
+
+void rds_loop_net_exit(void)
+{
+       unregister_pernet_device(&rds_loop_net_ops);
+}
+
 /*
  * This is missing .xmit_* because loop doesn't go through generic
  * rds_send_xmit() and doesn't call rds_recv_incoming().  .listen_stop and
@@ -194,4 +249,5 @@ struct rds_transport rds_loop_transport = {
        .inc_free               = rds_loop_inc_free,
        .t_name                 = "loopback",
        .t_type                 = RDS_TRANS_LOOP,
+       .t_unloading            = rds_loop_is_unloading,
 };
index 469fa4b2da4f38b5fb62358507cb9d9ca62aa825..bbc8cdd030df3137ea250578cb3d429a86fd68f2 100644 (file)
@@ -5,6 +5,8 @@
 /* loop.c */
 extern struct rds_transport rds_loop_transport;
 
+int rds_loop_net_init(void);
+void rds_loop_net_exit(void);
 void rds_loop_exit(void);
 
 #endif
index ebe42e7eb45697030367c4baba455b50c973c409..d00a0ef39a56b38cae4114654c44a3bddccb35ba 100644 (file)
@@ -1470,7 +1470,7 @@ static const struct proto_ops rose_proto_ops = {
        .socketpair     =       sock_no_socketpair,
        .accept         =       rose_accept,
        .getname        =       rose_getname,
-       .poll_mask      =       datagram_poll_mask,
+       .poll           =       datagram_poll,
        .ioctl          =       rose_ioctl,
        .listen         =       rose_listen,
        .shutdown       =       sock_no_shutdown,
index 3b1ac93efee22248ab01c3c8a610e874e99356b5..2b463047dd7ba93267feb584e1ffda280449a0b3 100644 (file)
@@ -734,11 +734,15 @@ static int rxrpc_getsockopt(struct socket *sock, int level, int optname,
 /*
  * permit an RxRPC socket to be polled
  */
-static __poll_t rxrpc_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t rxrpc_poll(struct file *file, struct socket *sock,
+                              poll_table *wait)
 {
        struct sock *sk = sock->sk;
        struct rxrpc_sock *rx = rxrpc_sk(sk);
-       __poll_t mask = 0;
+       __poll_t mask;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        /* the socket is readable if there are any messages waiting on the Rx
         * queue */
@@ -945,7 +949,7 @@ static const struct proto_ops rxrpc_rpc_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = sock_no_getname,
-       .poll_mask      = rxrpc_poll_mask,
+       .poll           = rxrpc_poll,
        .ioctl          = sock_no_ioctl,
        .listen         = rxrpc_listen,
        .shutdown       = rxrpc_shutdown,
index 2b5be42a9f1ca8e63952158ed2b9339e1a308d0b..9e8b26a80fb3ea9e57b6b22d259eaefe171eca09 100644 (file)
@@ -66,7 +66,7 @@ struct fl_flow_mask {
        struct rhashtable_params filter_ht_params;
        struct flow_dissector dissector;
        struct list_head filters;
-       struct rcu_head rcu;
+       struct rcu_work rwork;
        struct list_head list;
 };
 
@@ -203,6 +203,20 @@ static int fl_init(struct tcf_proto *tp)
        return rhashtable_init(&head->ht, &mask_ht_params);
 }
 
+static void fl_mask_free(struct fl_flow_mask *mask)
+{
+       rhashtable_destroy(&mask->ht);
+       kfree(mask);
+}
+
+static void fl_mask_free_work(struct work_struct *work)
+{
+       struct fl_flow_mask *mask = container_of(to_rcu_work(work),
+                                                struct fl_flow_mask, rwork);
+
+       fl_mask_free(mask);
+}
+
 static bool fl_mask_put(struct cls_fl_head *head, struct fl_flow_mask *mask,
                        bool async)
 {
@@ -210,12 +224,11 @@ static bool fl_mask_put(struct cls_fl_head *head, struct fl_flow_mask *mask,
                return false;
 
        rhashtable_remove_fast(&head->ht, &mask->ht_node, mask_ht_params);
-       rhashtable_destroy(&mask->ht);
        list_del_rcu(&mask->list);
        if (async)
-               kfree_rcu(mask, rcu);
+               tcf_queue_work(&mask->rwork, fl_mask_free_work);
        else
-               kfree(mask);
+               fl_mask_free(mask);
 
        return true;
 }
index 3ae9877ea2057d0ba517c84d38f6ba6a79ff6ef8..3278a76f6861576ba7e42cf9f91a62f96443cb3a 100644 (file)
@@ -1385,8 +1385,8 @@ hfsc_schedule_watchdog(struct Qdisc *sch)
                if (next_time == 0 || next_time > q->root.cl_cfmin)
                        next_time = q->root.cl_cfmin;
        }
-       WARN_ON(next_time == 0);
-       qdisc_watchdog_schedule(&q->watchdog, next_time);
+       if (next_time)
+               qdisc_watchdog_schedule(&q->watchdog, next_time);
 }
 
 static int
index 79daa98208c391c780440144d69bc7be875c3476..bfb9f812e2ef9fa605b08dc1f534781573c3abf8 100644 (file)
@@ -237,7 +237,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
        /* Account for a different sized first fragment */
        if (msg_len >= first_len) {
                msg->can_delay = 0;
-               SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_FRAGUSRMSGS);
+               if (msg_len > first_len)
+                       SCTP_INC_STATS(sock_net(asoc->base.sk),
+                                      SCTP_MIB_FRAGUSRMSGS);
        } else {
                /* Which may be the only one... */
                first_len = msg_len;
index 7339918a805d93db8a94fed627f99962e07e3267..0cd2e764f47ff0874438301324de25e4bf33dd95 100644 (file)
@@ -1010,7 +1010,7 @@ static const struct proto_ops inet6_seqpacket_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = inet_accept,
        .getname           = sctp_getname,
-       .poll_mask         = sctp_poll_mask,
+       .poll              = sctp_poll,
        .ioctl             = inet6_ioctl,
        .listen            = sctp_inet_listen,
        .shutdown          = inet_shutdown,
index 5dffbc4930086699cefa10f704de5fd2068169c8..67f73d3a1356b93d3896b6985a65e70615902b18 100644 (file)
@@ -1016,7 +1016,7 @@ static const struct proto_ops inet_seqpacket_ops = {
        .socketpair        = sock_no_socketpair,
        .accept            = inet_accept,
        .getname           = inet_getname,      /* Semantics are different.  */
-       .poll_mask         = sctp_poll_mask,
+       .poll              = sctp_poll,
        .ioctl             = inet_ioctl,
        .listen            = sctp_inet_listen,
        .shutdown          = inet_shutdown,     /* Looks harmless.  */
index d20f7addee19ecb794fa85f9ed73e8b40784a095..ce620e878538be99e1f79784582d0da48ba292ea 100644 (file)
@@ -7717,12 +7717,14 @@ out:
  * here, again, by modeling the current TCP/UDP code.  We don't have
  * a good way to test with it yet.
  */
-__poll_t sctp_poll_mask(struct socket *sock, __poll_t events)
+__poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
        struct sock *sk = sock->sk;
        struct sctp_sock *sp = sctp_sk(sk);
        __poll_t mask;
 
+       poll_wait(file, sk_sleep(sk), wait);
+
        sock_rps_record_flow(sk);
 
        /* A TCP-style listening socket becomes readable when the accept queue
index da7f02edcd374c44437e34a2705f410317ea536d..3c1405df936cae7015af188a0be7c7d6f4ffd0ee 100644 (file)
@@ -45,6 +45,7 @@ static DEFINE_MUTEX(smc_create_lgr_pending);  /* serialize link group
                                                 */
 
 static void smc_tcp_listen_work(struct work_struct *);
+static void smc_connect_work(struct work_struct *);
 
 static void smc_set_keepalive(struct sock *sk, int val)
 {
@@ -122,6 +123,12 @@ static int smc_release(struct socket *sock)
                goto out;
 
        smc = smc_sk(sk);
+
+       /* cleanup for a dangling non-blocking connect */
+       flush_work(&smc->connect_work);
+       kfree(smc->connect_info);
+       smc->connect_info = NULL;
+
        if (sk->sk_state == SMC_LISTEN)
                /* smc_close_non_accepted() is called and acquires
                 * sock lock for child sockets again
@@ -186,6 +193,7 @@ static struct sock *smc_sock_alloc(struct net *net, struct socket *sock,
        sk->sk_protocol = protocol;
        smc = smc_sk(sk);
        INIT_WORK(&smc->tcp_listen_work, smc_tcp_listen_work);
+       INIT_WORK(&smc->connect_work, smc_connect_work);
        INIT_DELAYED_WORK(&smc->conn.tx_work, smc_tx_work);
        INIT_LIST_HEAD(&smc->accept_q);
        spin_lock_init(&smc->accept_q_lock);
@@ -576,6 +584,35 @@ static int __smc_connect(struct smc_sock *smc)
        return 0;
 }
 
+static void smc_connect_work(struct work_struct *work)
+{
+       struct smc_sock *smc = container_of(work, struct smc_sock,
+                                           connect_work);
+       int rc;
+
+       lock_sock(&smc->sk);
+       rc = kernel_connect(smc->clcsock, &smc->connect_info->addr,
+                           smc->connect_info->alen, smc->connect_info->flags);
+       if (smc->clcsock->sk->sk_err) {
+               smc->sk.sk_err = smc->clcsock->sk->sk_err;
+               goto out;
+       }
+       if (rc < 0) {
+               smc->sk.sk_err = -rc;
+               goto out;
+       }
+
+       rc = __smc_connect(smc);
+       if (rc < 0)
+               smc->sk.sk_err = -rc;
+
+out:
+       smc->sk.sk_state_change(&smc->sk);
+       kfree(smc->connect_info);
+       smc->connect_info = NULL;
+       release_sock(&smc->sk);
+}
+
 static int smc_connect(struct socket *sock, struct sockaddr *addr,
                       int alen, int flags)
 {
@@ -605,15 +642,32 @@ static int smc_connect(struct socket *sock, struct sockaddr *addr,
 
        smc_copy_sock_settings_to_clc(smc);
        tcp_sk(smc->clcsock->sk)->syn_smc = 1;
-       rc = kernel_connect(smc->clcsock, addr, alen, flags);
-       if (rc)
-               goto out;
+       if (flags & O_NONBLOCK) {
+               if (smc->connect_info) {
+                       rc = -EALREADY;
+                       goto out;
+               }
+               smc->connect_info = kzalloc(alen + 2 * sizeof(int), GFP_KERNEL);
+               if (!smc->connect_info) {
+                       rc = -ENOMEM;
+                       goto out;
+               }
+               smc->connect_info->alen = alen;
+               smc->connect_info->flags = flags ^ O_NONBLOCK;
+               memcpy(&smc->connect_info->addr, addr, alen);
+               schedule_work(&smc->connect_work);
+               rc = -EINPROGRESS;
+       } else {
+               rc = kernel_connect(smc->clcsock, addr, alen, flags);
+               if (rc)
+                       goto out;
 
-       rc = __smc_connect(smc);
-       if (rc < 0)
-               goto out;
-       else
-               rc = 0; /* success cases including fallback */
+               rc = __smc_connect(smc);
+               if (rc < 0)
+                       goto out;
+               else
+                       rc = 0; /* success cases including fallback */
+       }
 
 out:
        release_sock(sk);
@@ -1273,40 +1327,26 @@ static __poll_t smc_accept_poll(struct sock *parent)
        return mask;
 }
 
-static __poll_t smc_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t smc_poll(struct file *file, struct socket *sock,
+                            poll_table *wait)
 {
        struct sock *sk = sock->sk;
        __poll_t mask = 0;
        struct smc_sock *smc;
-       int rc;
 
        if (!sk)
                return EPOLLNVAL;
 
        smc = smc_sk(sock->sk);
-       sock_hold(sk);
-       lock_sock(sk);
        if ((sk->sk_state == SMC_INIT) || smc->use_fallback) {
                /* delegate to CLC child sock */
-               release_sock(sk);
-               mask = smc->clcsock->ops->poll_mask(smc->clcsock, events);
-               lock_sock(sk);
+               mask = smc->clcsock->ops->poll(file, smc->clcsock, wait);
                sk->sk_err = smc->clcsock->sk->sk_err;
-               if (sk->sk_err) {
+               if (sk->sk_err)
                        mask |= EPOLLERR;
-               } else {
-                       /* if non-blocking connect finished ... */
-                       if (sk->sk_state == SMC_INIT &&
-                           mask & EPOLLOUT &&
-                           smc->clcsock->sk->sk_state != TCP_CLOSE) {
-                               rc = __smc_connect(smc);
-                               if (rc < 0)
-                                       mask |= EPOLLERR;
-                               /* success cases including fallback */
-                               mask |= EPOLLOUT | EPOLLWRNORM;
-                       }
-               }
        } else {
+               if (sk->sk_state != SMC_CLOSED)
+                       sock_poll_wait(file, sk_sleep(sk), wait);
                if (sk->sk_err)
                        mask |= EPOLLERR;
                if ((sk->sk_shutdown == SHUTDOWN_MASK) ||
@@ -1332,10 +1372,7 @@ static __poll_t smc_poll_mask(struct socket *sock, __poll_t events)
                }
                if (smc->conn.urg_state == SMC_URG_VALID)
                        mask |= EPOLLPRI;
-
        }
-       release_sock(sk);
-       sock_put(sk);
 
        return mask;
 }
@@ -1619,7 +1656,7 @@ static const struct proto_ops smc_sock_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = smc_accept,
        .getname        = smc_getname,
-       .poll_mask      = smc_poll_mask,
+       .poll           = smc_poll,
        .ioctl          = smc_ioctl,
        .listen         = smc_listen,
        .shutdown       = smc_shutdown,
index 51ae1f10d81aa9390e76e392096e3f93c15b65fe..d7ca265704821a1862f84f209550c4b19fc0db59 100644 (file)
@@ -187,11 +187,19 @@ struct smc_connection {
        struct work_struct      close_work;     /* peer sent some closing */
 };
 
+struct smc_connect_info {
+       int                     flags;
+       int                     alen;
+       struct sockaddr         addr;
+};
+
 struct smc_sock {                              /* smc sock container */
        struct sock             sk;
        struct socket           *clcsock;       /* internal tcp socket */
        struct smc_connection   conn;           /* smc connection */
        struct smc_sock         *listen_smc;    /* listen parent */
+       struct smc_connect_info *connect_info;  /* connect address & flags */
+       struct work_struct      connect_work;   /* handle non-blocking connect*/
        struct work_struct      tcp_listen_work;/* handle tcp socket accepts */
        struct work_struct      smc_listen_work;/* prepare new accept socket */
        struct list_head        accept_q;       /* sockets to be accepted */
index 8a109012608a6132a65293c86cd175426b851cbe..85633622c94d011796517feb4d935b7ccba68445 100644 (file)
@@ -117,10 +117,8 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from);
 static int sock_mmap(struct file *file, struct vm_area_struct *vma);
 
 static int sock_close(struct inode *inode, struct file *file);
-static struct wait_queue_head *sock_get_poll_head(struct file *file,
-               __poll_t events);
-static __poll_t sock_poll_mask(struct file *file, __poll_t);
-static __poll_t sock_poll(struct file *file, struct poll_table_struct *wait);
+static __poll_t sock_poll(struct file *file,
+                             struct poll_table_struct *wait);
 static long sock_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 #ifdef CONFIG_COMPAT
 static long compat_sock_ioctl(struct file *file,
@@ -143,8 +141,6 @@ static const struct file_operations socket_file_ops = {
        .llseek =       no_llseek,
        .read_iter =    sock_read_iter,
        .write_iter =   sock_write_iter,
-       .get_poll_head = sock_get_poll_head,
-       .poll_mask =    sock_poll_mask,
        .poll =         sock_poll,
        .unlocked_ioctl = sock_ioctl,
 #ifdef CONFIG_COMPAT
@@ -1130,48 +1126,16 @@ out_release:
 }
 EXPORT_SYMBOL(sock_create_lite);
 
-static struct wait_queue_head *sock_get_poll_head(struct file *file,
-               __poll_t events)
-{
-       struct socket *sock = file->private_data;
-
-       if (!sock->ops->poll_mask)
-               return NULL;
-       sock_poll_busy_loop(sock, events);
-       return sk_sleep(sock->sk);
-}
-
-static __poll_t sock_poll_mask(struct file *file, __poll_t events)
-{
-       struct socket *sock = file->private_data;
-
-       /*
-        * We need to be sure we are in sync with the socket flags modification.
-        *
-        * This memory barrier is paired in the wq_has_sleeper.
-        */
-       smp_mb();
-
-       /* this socket can poll_ll so tell the system call */
-       return sock->ops->poll_mask(sock, events) |
-               (sk_can_busy_loop(sock->sk) ? POLL_BUSY_LOOP : 0);
-}
-
 /* No kernel lock held - perfect */
 static __poll_t sock_poll(struct file *file, poll_table *wait)
 {
        struct socket *sock = file->private_data;
-       __poll_t events = poll_requested_events(wait), mask = 0;
-
-       if (sock->ops->poll) {
-               sock_poll_busy_loop(sock, events);
-               mask = sock->ops->poll(file, sock, wait);
-       } else if (sock->ops->poll_mask) {
-               sock_poll_wait(file, sock_get_poll_head(file, events), wait);
-               mask = sock->ops->poll_mask(sock, events);
-       }
+       __poll_t events = poll_requested_events(wait);
 
-       return mask | sock_poll_busy_flag(sock);
+       sock_poll_busy_loop(sock, events);
+       if (!sock->ops->poll)
+               return 0;
+       return sock->ops->poll(file, sock, wait) | sock_poll_busy_flag(sock);
 }
 
 static int sock_mmap(struct file *file, struct vm_area_struct *vma)
index 1a96951835999091c81ba451700f0a74565d9c59..625acb27efcc272ccdc0f60d4d693d6761ed139b 100644 (file)
@@ -35,7 +35,6 @@ struct _strp_msg {
         */
        struct strp_msg strp;
        int accum_len;
-       int early_eaten;
 };
 
 static inline struct _strp_msg *_strp_msg(struct sk_buff *skb)
@@ -115,20 +114,6 @@ static int __strp_recv(read_descriptor_t *desc, struct sk_buff *orig_skb,
        head = strp->skb_head;
        if (head) {
                /* Message already in progress */
-
-               stm = _strp_msg(head);
-               if (unlikely(stm->early_eaten)) {
-                       /* Already some number of bytes on the receive sock
-                        * data saved in skb_head, just indicate they
-                        * are consumed.
-                        */
-                       eaten = orig_len <= stm->early_eaten ?
-                               orig_len : stm->early_eaten;
-                       stm->early_eaten -= eaten;
-
-                       return eaten;
-               }
-
                if (unlikely(orig_offset)) {
                        /* Getting data with a non-zero offset when a message is
                         * in progress is not expected. If it does happen, we
@@ -297,9 +282,9 @@ static int __strp_recv(read_descriptor_t *desc, struct sk_buff *orig_skb,
                                }
 
                                stm->accum_len += cand_len;
+                               eaten += cand_len;
                                strp->need_bytes = stm->strp.full_len -
                                                       stm->accum_len;
-                               stm->early_eaten = cand_len;
                                STRP_STATS_ADD(strp->stats.bytes, cand_len);
                                desc->count = 0; /* Stop reading socket */
                                break;
@@ -392,7 +377,7 @@ static int strp_read_sock(struct strparser *strp)
 /* Lower sock lock held */
 void strp_data_ready(struct strparser *strp)
 {
-       if (unlikely(strp->stopped))
+       if (unlikely(strp->stopped) || strp->paused)
                return;
 
        /* This check is needed to synchronize with do_strp_work.
@@ -407,9 +392,6 @@ void strp_data_ready(struct strparser *strp)
                return;
        }
 
-       if (strp->paused)
-               return;
-
        if (strp->need_bytes) {
                if (strp_peek_len(strp) < strp->need_bytes)
                        return;
index 14a5d055717d2a7b95ea353b15f53dfb81a39515..930852c54d7a6e97207c61a7c942e487781457e7 100644 (file)
@@ -692,9 +692,10 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
 }
 
 /**
- * tipc_poll - read pollmask
+ * tipc_poll - read and possibly block on pollmask
  * @file: file structure associated with the socket
  * @sock: socket for which to calculate the poll bits
+ * @wait: ???
  *
  * Returns pollmask value
  *
@@ -708,12 +709,15 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
  * imply that the operation will succeed, merely that it should be performed
  * and will not block.
  */
-static __poll_t tipc_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t tipc_poll(struct file *file, struct socket *sock,
+                             poll_table *wait)
 {
        struct sock *sk = sock->sk;
        struct tipc_sock *tsk = tipc_sk(sk);
        __poll_t revents = 0;
 
+       sock_poll_wait(file, sk_sleep(sk), wait);
+
        if (sk->sk_shutdown & RCV_SHUTDOWN)
                revents |= EPOLLRDHUP | EPOLLIN | EPOLLRDNORM;
        if (sk->sk_shutdown == SHUTDOWN_MASK)
@@ -3033,7 +3037,7 @@ static const struct proto_ops msg_ops = {
        .socketpair     = tipc_socketpair,
        .accept         = sock_no_accept,
        .getname        = tipc_getname,
-       .poll_mask      = tipc_poll_mask,
+       .poll           = tipc_poll,
        .ioctl          = tipc_ioctl,
        .listen         = sock_no_listen,
        .shutdown       = tipc_shutdown,
@@ -3054,7 +3058,7 @@ static const struct proto_ops packet_ops = {
        .socketpair     = tipc_socketpair,
        .accept         = tipc_accept,
        .getname        = tipc_getname,
-       .poll_mask      = tipc_poll_mask,
+       .poll           = tipc_poll,
        .ioctl          = tipc_ioctl,
        .listen         = tipc_listen,
        .shutdown       = tipc_shutdown,
@@ -3075,7 +3079,7 @@ static const struct proto_ops stream_ops = {
        .socketpair     = tipc_socketpair,
        .accept         = tipc_accept,
        .getname        = tipc_getname,
-       .poll_mask      = tipc_poll_mask,
+       .poll           = tipc_poll,
        .ioctl          = tipc_ioctl,
        .listen         = tipc_listen,
        .shutdown       = tipc_shutdown,
index a127d61e8af984d3aaefde49c94f48a9a9187d53..301f224304698950544088c16518ea2e14ff41a6 100644 (file)
@@ -712,7 +712,7 @@ static int __init tls_register(void)
        build_protos(tls_prots[TLSV4], &tcp_prot);
 
        tls_sw_proto_ops = inet_stream_ops;
-       tls_sw_proto_ops.poll_mask = tls_sw_poll_mask;
+       tls_sw_proto_ops.poll = tls_sw_poll;
        tls_sw_proto_ops.splice_read = tls_sw_splice_read;
 
 #ifdef CONFIG_TLS_DEVICE
index f127fac88acfe0046b0a7dd55bab4d6d486de105..d2380548f8f6a1b7185bc4da495b7b8294db0915 100644 (file)
@@ -919,22 +919,23 @@ splice_read_end:
        return copied ? : err;
 }
 
-__poll_t tls_sw_poll_mask(struct socket *sock, __poll_t events)
+unsigned int tls_sw_poll(struct file *file, struct socket *sock,
+                        struct poll_table_struct *wait)
 {
+       unsigned int ret;
        struct sock *sk = sock->sk;
        struct tls_context *tls_ctx = tls_get_ctx(sk);
        struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
-       __poll_t mask;
 
-       /* Grab EPOLLOUT and EPOLLHUP from the underlying socket */
-       mask = ctx->sk_poll_mask(sock, events);
+       /* Grab POLLOUT and POLLHUP from the underlying socket */
+       ret = ctx->sk_poll(file, sock, wait);
 
-       /* Clear EPOLLIN bits, and set based on recv_pkt */
-       mask &= ~(EPOLLIN | EPOLLRDNORM);
+       /* Clear POLLIN bits, and set based on recv_pkt */
+       ret &= ~(POLLIN | POLLRDNORM);
        if (ctx->recv_pkt)
-               mask |= EPOLLIN | EPOLLRDNORM;
+               ret |= POLLIN | POLLRDNORM;
 
-       return mask;
+       return ret;
 }
 
 static int tls_read_size(struct strparser *strp, struct sk_buff *skb)
@@ -1191,7 +1192,7 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
                sk->sk_data_ready = tls_data_ready;
                write_unlock_bh(&sk->sk_callback_lock);
 
-               sw_ctx_rx->sk_poll_mask = sk->sk_socket->ops->poll_mask;
+               sw_ctx_rx->sk_poll = sk->sk_socket->ops->poll;
 
                strp_check_rcv(&sw_ctx_rx->strp);
        }
index 95b02a71fd47161735c51988463e5f5e4a7d44b3..e5473c03d667ad51308c3e8b705f3b1187f619e8 100644 (file)
@@ -638,8 +638,9 @@ static int unix_stream_connect(struct socket *, struct sockaddr *,
 static int unix_socketpair(struct socket *, struct socket *);
 static int unix_accept(struct socket *, struct socket *, int, bool);
 static int unix_getname(struct socket *, struct sockaddr *, int);
-static __poll_t unix_poll_mask(struct socket *, __poll_t);
-static __poll_t unix_dgram_poll_mask(struct socket *, __poll_t);
+static __poll_t unix_poll(struct file *, struct socket *, poll_table *);
+static __poll_t unix_dgram_poll(struct file *, struct socket *,
+                                   poll_table *);
 static int unix_ioctl(struct socket *, unsigned int, unsigned long);
 static int unix_shutdown(struct socket *, int);
 static int unix_stream_sendmsg(struct socket *, struct msghdr *, size_t);
@@ -680,7 +681,7 @@ static const struct proto_ops unix_stream_ops = {
        .socketpair =   unix_socketpair,
        .accept =       unix_accept,
        .getname =      unix_getname,
-       .poll_mask =    unix_poll_mask,
+       .poll =         unix_poll,
        .ioctl =        unix_ioctl,
        .listen =       unix_listen,
        .shutdown =     unix_shutdown,
@@ -703,7 +704,7 @@ static const struct proto_ops unix_dgram_ops = {
        .socketpair =   unix_socketpair,
        .accept =       sock_no_accept,
        .getname =      unix_getname,
-       .poll_mask =    unix_dgram_poll_mask,
+       .poll =         unix_dgram_poll,
        .ioctl =        unix_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     unix_shutdown,
@@ -725,7 +726,7 @@ static const struct proto_ops unix_seqpacket_ops = {
        .socketpair =   unix_socketpair,
        .accept =       unix_accept,
        .getname =      unix_getname,
-       .poll_mask =    unix_dgram_poll_mask,
+       .poll =         unix_dgram_poll,
        .ioctl =        unix_ioctl,
        .listen =       unix_listen,
        .shutdown =     unix_shutdown,
@@ -2629,10 +2630,13 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        return err;
 }
 
-static __poll_t unix_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
        struct sock *sk = sock->sk;
-       __poll_t mask = 0;
+       __poll_t mask;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        /* exceptional events? */
        if (sk->sk_err)
@@ -2661,11 +2665,15 @@ static __poll_t unix_poll_mask(struct socket *sock, __poll_t events)
        return mask;
 }
 
-static __poll_t unix_dgram_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,
+                                   poll_table *wait)
 {
        struct sock *sk = sock->sk, *other;
-       int writable;
-       __poll_t mask = 0;
+       unsigned int writable;
+       __poll_t mask;
+
+       sock_poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        /* exceptional events? */
        if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
@@ -2691,7 +2699,7 @@ static __poll_t unix_dgram_poll_mask(struct socket *sock, __poll_t events)
        }
 
        /* No write status requested, avoid expensive OUT tests. */
-       if (!(events & (EPOLLWRBAND|EPOLLWRNORM|EPOLLOUT)))
+       if (!(poll_requested_events(wait) & (EPOLLWRBAND|EPOLLWRNORM|EPOLLOUT)))
                return mask;
 
        writable = unix_writable(sk);
index bb5d5fa68c357af4962602b2bced2164c6e5ab44..c1076c19b8580688ff041f71aee0d05ce0906030 100644 (file)
@@ -850,11 +850,18 @@ static int vsock_shutdown(struct socket *sock, int mode)
        return err;
 }
 
-static __poll_t vsock_poll_mask(struct socket *sock, __poll_t events)
+static __poll_t vsock_poll(struct file *file, struct socket *sock,
+                              poll_table *wait)
 {
-       struct sock *sk = sock->sk;
-       struct vsock_sock *vsk = vsock_sk(sk);
-       __poll_t mask = 0;
+       struct sock *sk;
+       __poll_t mask;
+       struct vsock_sock *vsk;
+
+       sk = sock->sk;
+       vsk = vsock_sk(sk);
+
+       poll_wait(file, sk_sleep(sk), wait);
+       mask = 0;
 
        if (sk->sk_err)
                /* Signify that there has been an error on this socket. */
@@ -1084,7 +1091,7 @@ static const struct proto_ops vsock_dgram_ops = {
        .socketpair = sock_no_socketpair,
        .accept = sock_no_accept,
        .getname = vsock_getname,
-       .poll_mask = vsock_poll_mask,
+       .poll = vsock_poll,
        .ioctl = sock_no_ioctl,
        .listen = sock_no_listen,
        .shutdown = vsock_shutdown,
@@ -1842,7 +1849,7 @@ static const struct proto_ops vsock_stream_ops = {
        .socketpair = sock_no_socketpair,
        .accept = vsock_accept,
        .getname = vsock_getname,
-       .poll_mask = vsock_poll_mask,
+       .poll = vsock_poll,
        .ioctl = sock_no_ioctl,
        .listen = vsock_listen,
        .shutdown = vsock_shutdown,
index 8e03bd3f3668b573c4d61a786e90a238abe9fe66..5d3cce9e8744d5207753107aeb55518f2848f50a 100644 (file)
@@ -201,7 +201,7 @@ virtio_transport_send_pkt(struct virtio_vsock_pkt *pkt)
                return -ENODEV;
        }
 
-       if (le32_to_cpu(pkt->hdr.dst_cid) == vsock->guest_cid)
+       if (le64_to_cpu(pkt->hdr.dst_cid) == vsock->guest_cid)
                return virtio_transport_send_pkt_loopback(vsock, pkt);
 
        if (pkt->reply)
index c7bbe5f0aae8839bdfe5ac7b7bd02c6aad8ac8dc..4eece06be1e734c0a0c8de50cdeff2475dd20a59 100644 (file)
@@ -6231,7 +6231,7 @@ do {                                                                          \
                                  nl80211_check_s32);
        /*
         * Check HT operation mode based on
-        * IEEE 802.11 2012 8.4.2.59 HT Operation element.
+        * IEEE 802.11-2016 9.4.2.57 HT Operation element.
         */
        if (tb[NL80211_MESHCONF_HT_OPMODE]) {
                ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
@@ -6241,22 +6241,9 @@ do {                                                                         \
                                  IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
                        return -EINVAL;
 
-               if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
-                   (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
-                       return -EINVAL;
+               /* NON_HT_STA bit is reserved, but some programs set it */
+               ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
 
-               switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) {
-               case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
-               case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
-                       if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)
-                               return -EINVAL;
-                       break;
-               case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
-               case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
-                       if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
-                               return -EINVAL;
-                       break;
-               }
                cfg->ht_opmode = ht_opmode;
                mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
        }
@@ -10962,9 +10949,12 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
                                    rem) {
                        u8 *mask_pat;
 
-                       nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
-                                        nl80211_packet_pattern_policy,
-                                        info->extack);
+                       err = nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
+                                              nl80211_packet_pattern_policy,
+                                              info->extack);
+                       if (err)
+                               goto error;
+
                        err = -EINVAL;
                        if (!pat_tb[NL80211_PKTPAT_MASK] ||
                            !pat_tb[NL80211_PKTPAT_PATTERN])
@@ -11213,8 +11203,11 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
                            rem) {
                u8 *mask_pat;
 
-               nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
-                                nl80211_packet_pattern_policy, NULL);
+               err = nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
+                                      nl80211_packet_pattern_policy, NULL);
+               if (err)
+                       return err;
+
                if (!pat_tb[NL80211_PKTPAT_MASK] ||
                    !pat_tb[NL80211_PKTPAT_PATTERN])
                        return -EINVAL;
index f93365ae0fdd76b6aab9b6227cfcbb96f41eed82..d49aa79b79970d403b5c165d4000b2aa1d493442 100644 (file)
@@ -1750,7 +1750,7 @@ static const struct proto_ops x25_proto_ops = {
        .socketpair =   sock_no_socketpair,
        .accept =       x25_accept,
        .getname =      x25_getname,
-       .poll_mask =    datagram_poll_mask,
+       .poll =         datagram_poll,
        .ioctl =        x25_ioctl,
 #ifdef CONFIG_COMPAT
        .compat_ioctl = compat_x25_ioctl,
index 3b3410ada0971abe28eb53ee57eca5307b314761..59fb7d3c36a34089095a81a979ecf64b8b152e7f 100644 (file)
@@ -303,9 +303,10 @@ static int xsk_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len)
        return (xs->zc) ? xsk_zc_xmit(sk) : xsk_generic_xmit(sk, m, total_len);
 }
 
-static __poll_t xsk_poll_mask(struct socket *sock, __poll_t events)
+static unsigned int xsk_poll(struct file *file, struct socket *sock,
+                            struct poll_table_struct *wait)
 {
-       __poll_t mask = datagram_poll_mask(sock, events);
+       unsigned int mask = datagram_poll(file, sock, wait);
        struct sock *sk = sock->sk;
        struct xdp_sock *xs = xdp_sk(sk);
 
@@ -696,7 +697,7 @@ static const struct proto_ops xsk_proto_ops = {
        .socketpair     = sock_no_socketpair,
        .accept         = sock_no_accept,
        .getname        = sock_no_getname,
-       .poll_mask      = xsk_poll_mask,
+       .poll           = xsk_poll,
        .ioctl          = sock_no_ioctl,
        .listen         = sock_no_listen,
        .shutdown       = sock_no_shutdown,
index 6673cdb9f55cab3fb32faaca755f805e8c10ed8f..a7e94e7ff87df5f60f7a57522de77b5929e46029 100644 (file)
@@ -48,9 +48,9 @@ static __always_inline int xdp_fwd_flags(struct xdp_md *ctx, u32 flags)
        struct ethhdr *eth = data;
        struct ipv6hdr *ip6h;
        struct iphdr *iph;
-       int out_index;
        u16 h_proto;
        u64 nh_off;
+       int rc;
 
        nh_off = sizeof(*eth);
        if (data + nh_off > data_end)
@@ -101,7 +101,7 @@ static __always_inline int xdp_fwd_flags(struct xdp_md *ctx, u32 flags)
 
        fib_params.ifindex = ctx->ingress_ifindex;
 
-       out_index = bpf_fib_lookup(ctx, &fib_params, sizeof(fib_params), flags);
+       rc = bpf_fib_lookup(ctx, &fib_params, sizeof(fib_params), flags);
 
        /* verify egress index has xdp support
         * TO-DO bpf_map_lookup_elem(&tx_port, &key) fails with
@@ -109,7 +109,7 @@ static __always_inline int xdp_fwd_flags(struct xdp_md *ctx, u32 flags)
         * NOTE: without verification that egress index supports XDP
         *       forwarding packets are dropped.
         */
-       if (out_index > 0) {
+       if (rc == 0) {
                if (h_proto == htons(ETH_P_IP))
                        ip_decrease_ttl(iph);
                else if (h_proto == htons(ETH_P_IPV6))
@@ -117,7 +117,7 @@ static __always_inline int xdp_fwd_flags(struct xdp_md *ctx, u32 flags)
 
                memcpy(eth->h_dest, fib_params.dmac, ETH_ALEN);
                memcpy(eth->h_source, fib_params.smac, ETH_ALEN);
-               return bpf_redirect_map(&tx_port, out_index, 0);
+               return bpf_redirect_map(&tx_port, fib_params.ifindex, 0);
        }
 
        return XDP_PASS;
index 2960e26c6ea4c756064db41cc7d39c14f058068b..d5d5a499160c106427592e809cd7955b947fcd55 100644 (file)
@@ -657,7 +657,7 @@ static void mbochs_put_pages(struct mdev_state *mdev_state)
        dev_dbg(dev, "%s: %d pages released\n", __func__, count);
 }
 
-static int mbochs_region_vm_fault(struct vm_fault *vmf)
+static vm_fault_t mbochs_region_vm_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
        struct mdev_state *mdev_state = vma->vm_private_data;
@@ -695,7 +695,7 @@ static int mbochs_mmap(struct mdev_device *mdev, struct vm_area_struct *vma)
        return 0;
 }
 
-static int mbochs_dmabuf_vm_fault(struct vm_fault *vmf)
+static vm_fault_t mbochs_dmabuf_vm_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
        struct mbochs_dmabuf *dmabuf = vma->vm_private_data;
@@ -803,29 +803,26 @@ static void mbochs_release_dmabuf(struct dma_buf *buf)
        mutex_unlock(&mdev_state->ops_lock);
 }
 
-static void *mbochs_kmap_atomic_dmabuf(struct dma_buf *buf,
-                                      unsigned long page_num)
+static void *mbochs_kmap_dmabuf(struct dma_buf *buf, unsigned long page_num)
 {
        struct mbochs_dmabuf *dmabuf = buf->priv;
        struct page *page = dmabuf->pages[page_num];
 
-       return kmap_atomic(page);
+       return kmap(page);
 }
 
-static void *mbochs_kmap_dmabuf(struct dma_buf *buf, unsigned long page_num)
+static void mbochs_kunmap_dmabuf(struct dma_buf *buf, unsigned long page_num,
+                                void *vaddr)
 {
-       struct mbochs_dmabuf *dmabuf = buf->priv;
-       struct page *page = dmabuf->pages[page_num];
-
-       return kmap(page);
+       kunmap(vaddr);
 }
 
 static struct dma_buf_ops mbochs_dmabuf_ops = {
        .map_dma_buf      = mbochs_map_dmabuf,
        .unmap_dma_buf    = mbochs_unmap_dmabuf,
        .release          = mbochs_release_dmabuf,
-       .map_atomic       = mbochs_kmap_atomic_dmabuf,
        .map              = mbochs_kmap_dmabuf,
+       .unmap            = mbochs_kunmap_dmabuf,
        .mmap             = mbochs_mmap_dmabuf,
 };
 
index 208eb2825dab017a9d3fdc0bdb8beef053b5626d..6efcead3198989d2ab2ab6772c72d8bb61c89c4e 100755 (executable)
@@ -1,7 +1,7 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
-cat << "END" | $@ -x c - -o /dev/null >/dev/null 2>&1 && echo "y"
+cat << "END" | $@ -x c - -o /dev/null >/dev/null 2>&1
 #include <stdio.h>
 int main(void)
 {
index e3b7362b0ee457b9601a8628609d8ebf78fcb09a..a9c05506e325fc8407d915e23aece818bb6fdb2d 100755 (executable)
@@ -2606,12 +2606,6 @@ sub process {
                             "A patch subject line should describe the change not the tool that found it\n" . $herecurr);
                }
 
-# Check for old stable address
-               if ($line =~ /^\s*cc:\s*.*<?\bstable\@kernel\.org\b>?.*$/i) {
-                       ERROR("STABLE_ADDRESS",
-                             "The 'stable' address should be 'stable\@vger.kernel.org'\n" . $herecurr);
-               }
-
 # Check for unwanted Gerrit info
                if ($in_commit_log && $line =~ /^\s*change-id:/i) {
                        ERROR("GERRIT_CHANGE_ID",
index 3755af0cd9f7f24c1942fd9df216c525f79d04b3..75e4e22b986adcfd07197777c5d59d5601d3c920 100755 (executable)
@@ -1,4 +1,4 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
-echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m64 -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
index 94a383b21df6405f4a9f6b6c08758d6c822381d8..f63b41b0dd498d23b65b3c12fe47e3b2c87e148d 100644 (file)
@@ -171,6 +171,9 @@ struct symbol {
  * config BAZ
  *         int "BAZ Value"
  *         range 1..255
+ *
+ * Please, also check zconf.y:print_symbol() when modifying the
+ * list of property types!
  */
 enum prop_type {
        P_UNKNOWN,
index 65da87fce907ad2bc7b52adba4651dc2c32786be..5ca2df790d3cfa5f4253a33a303219aaa8fc4394 100644 (file)
@@ -156,7 +156,7 @@ static char *do_shell(int argc, char *argv[])
                nread--;
 
        /* remove trailing new lines */
-       while (buf[nread - 1] == '\n')
+       while (nread > 0 && buf[nread - 1] == '\n')
                nread--;
 
        buf[nread] = 0;
index 6f9b0aa32a82239b2bc1540d1b75949859ea48e9..4b68272ebdb96cb25e8d91de0d4cbc792a3079b6 100644 (file)
@@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE];
 static struct menu *current_menu, *current_entry;
 
 %}
-%expect 32
+%expect 31
 
 %union
 {
@@ -337,7 +337,7 @@ choice_block:
 
 /* if entry */
 
-if_entry: T_IF expr nl
+if_entry: T_IF expr T_EOL
 {
        printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
        menu_add_entry(NULL);
@@ -717,6 +717,10 @@ static void print_symbol(FILE *out, struct menu *menu)
                        print_quoted_string(out, prop->text);
                        fputc('\n', out);
                        break;
+               case P_SYMBOL:
+                       fputs( "  symbol ", out);
+                       fprintf(out, "%s\n", prop->sym->name);
+                       break;
                default:
                        fprintf(out, "  unknown prop %d!\n", prop->type);
                        break;
index f7403821db7f0aafdec4a2e9a6804b1b8c2a599b..b203f7758f9765f056c3e0d07e0286c49b181253 100644 (file)
@@ -142,6 +142,8 @@ static void kdf_dealloc(struct kdf_sdesc *sdesc)
  * The src pointer is defined as Z || other info where Z is the shared secret
  * from DH and other info is an arbitrary string (see SP800-56A section
  * 5.8.1.2).
+ *
+ * 'dlen' must be a multiple of the digest size.
  */
 static int kdf_ctr(struct kdf_sdesc *sdesc, const u8 *src, unsigned int slen,
                   u8 *dst, unsigned int dlen, unsigned int zlen)
@@ -205,8 +207,8 @@ static int keyctl_dh_compute_kdf(struct kdf_sdesc *sdesc,
 {
        uint8_t *outbuf = NULL;
        int ret;
-       size_t outbuf_len = round_up(buflen,
-                                    crypto_shash_digestsize(sdesc->shash.tfm));
+       size_t outbuf_len = roundup(buflen,
+                                   crypto_shash_digestsize(sdesc->shash.tfm));
 
        outbuf = kmalloc(outbuf_len, GFP_KERNEL);
        if (!outbuf) {
index f3d374d2ca045ce7325b20ad3cecb6304418d1b3..79d3709b06717a1f6452fe85b9922244b9f70381 100644 (file)
@@ -441,22 +441,16 @@ static int sel_release_policy(struct inode *inode, struct file *filp)
 static ssize_t sel_read_policy(struct file *filp, char __user *buf,
                               size_t count, loff_t *ppos)
 {
-       struct selinux_fs_info *fsi = file_inode(filp)->i_sb->s_fs_info;
        struct policy_load_memory *plm = filp->private_data;
        int ret;
 
-       mutex_lock(&fsi->mutex);
-
        ret = avc_has_perm(&selinux_state,
                           current_sid(), SECINITSID_SECURITY,
                          SECCLASS_SECURITY, SECURITY__READ_POLICY, NULL);
        if (ret)
-               goto out;
+               return ret;
 
-       ret = simple_read_from_buffer(buf, count, ppos, plm->data, plm->len);
-out:
-       mutex_unlock(&fsi->mutex);
-       return ret;
+       return simple_read_from_buffer(buf, count, ppos, plm->data, plm->len);
 }
 
 static vm_fault_t sel_mmap_policy_fault(struct vm_fault *vmf)
@@ -1188,25 +1182,29 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
        ret = -EINVAL;
        if (index >= fsi->bool_num || strcmp(name,
                                             fsi->bool_pending_names[index]))
-               goto out;
+               goto out_unlock;
 
        ret = -ENOMEM;
        page = (char *)get_zeroed_page(GFP_KERNEL);
        if (!page)
-               goto out;
+               goto out_unlock;
 
        cur_enforcing = security_get_bool_value(fsi->state, index);
        if (cur_enforcing < 0) {
                ret = cur_enforcing;
-               goto out;
+               goto out_unlock;
        }
        length = scnprintf(page, PAGE_SIZE, "%d %d", cur_enforcing,
                          fsi->bool_pending_values[index]);
-       ret = simple_read_from_buffer(buf, count, ppos, page, length);
-out:
        mutex_unlock(&fsi->mutex);
+       ret = simple_read_from_buffer(buf, count, ppos, page, length);
+out_free:
        free_page((unsigned long)page);
        return ret;
+
+out_unlock:
+       mutex_unlock(&fsi->mutex);
+       goto out_free;
 }
 
 static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
@@ -1219,6 +1217,17 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
        unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
        const char *name = filep->f_path.dentry->d_name.name;
 
+       if (count >= PAGE_SIZE)
+               return -ENOMEM;
+
+       /* No partial writes. */
+       if (*ppos != 0)
+               return -EINVAL;
+
+       page = memdup_user_nul(buf, count);
+       if (IS_ERR(page))
+               return PTR_ERR(page);
+
        mutex_lock(&fsi->mutex);
 
        length = avc_has_perm(&selinux_state,
@@ -1233,22 +1242,6 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
                                             fsi->bool_pending_names[index]))
                goto out;
 
-       length = -ENOMEM;
-       if (count >= PAGE_SIZE)
-               goto out;
-
-       /* No partial writes. */
-       length = -EINVAL;
-       if (*ppos != 0)
-               goto out;
-
-       page = memdup_user_nul(buf, count);
-       if (IS_ERR(page)) {
-               length = PTR_ERR(page);
-               page = NULL;
-               goto out;
-       }
-
        length = -EINVAL;
        if (sscanf(page, "%d", &new_value) != 1)
                goto out;
@@ -1280,6 +1273,17 @@ static ssize_t sel_commit_bools_write(struct file *filep,
        ssize_t length;
        int new_value;
 
+       if (count >= PAGE_SIZE)
+               return -ENOMEM;
+
+       /* No partial writes. */
+       if (*ppos != 0)
+               return -EINVAL;
+
+       page = memdup_user_nul(buf, count);
+       if (IS_ERR(page))
+               return PTR_ERR(page);
+
        mutex_lock(&fsi->mutex);
 
        length = avc_has_perm(&selinux_state,
@@ -1289,22 +1293,6 @@ static ssize_t sel_commit_bools_write(struct file *filep,
        if (length)
                goto out;
 
-       length = -ENOMEM;
-       if (count >= PAGE_SIZE)
-               goto out;
-
-       /* No partial writes. */
-       length = -EINVAL;
-       if (*ppos != 0)
-               goto out;
-
-       page = memdup_user_nul(buf, count);
-       if (IS_ERR(page)) {
-               length = PTR_ERR(page);
-               page = NULL;
-               goto out;
-       }
-
        length = -EINVAL;
        if (sscanf(page, "%d", &new_value) != 1)
                goto out;
index 7ad226018f51674b8e97a5d6ff2aaeabd9163bbd..19de675d4504501f8a48c28302dd9ad552b70877 100644 (file)
@@ -2296,6 +2296,7 @@ static void smack_task_to_inode(struct task_struct *p, struct inode *inode)
        struct smack_known *skp = smk_of_task_struct(p);
 
        isp->smk_inode = skp;
+       isp->smk_flags |= SMK_INODE_INSTANT;
 }
 
 /*
index 61a07fe34cd271e60dc0c31a7dddae750c2532b1..56ca78423040f09e6d0569b651ba631105b8bd02 100644 (file)
@@ -2004,7 +2004,8 @@ static int snd_seq_ioctl_query_next_client(struct snd_seq_client *client,
        struct snd_seq_client *cptr = NULL;
 
        /* search for next client */
-       info->client++;
+       if (info->client < INT_MAX)
+               info->client++;
        if (info->client < 0)
                info->client = 0;
        for (; info->client < SNDRV_SEQ_MAX_CLIENTS; info->client++) {
index 665089c455603c0c683144c419981f8215780e85..b6f076bbc72d14be37893e20b19cbfaedf2f728b 100644 (file)
@@ -1520,7 +1520,7 @@ static int snd_timer_user_next_device(struct snd_timer_id __user *_tid)
                                } else {
                                        if (id.subdevice < 0)
                                                id.subdevice = 0;
-                                       else
+                                       else if (id.subdevice < INT_MAX)
                                                id.subdevice++;
                                }
                        }
index d91c87e41756ea5fceaee73d84e211b9ebba929d..20a171ac4bb2f7cff9715122c4e959c60fc9b485 100644 (file)
@@ -2899,8 +2899,9 @@ static int hda_codec_runtime_suspend(struct device *dev)
        list_for_each_entry(pcm, &codec->pcm_list_head, list)
                snd_pcm_suspend_all(pcm->pcm);
        state = hda_call_codec_suspend(codec);
-       if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
-           (state & AC_PWRST_CLK_STOP_OK))
+       if (codec->link_down_at_suspend ||
+           (codec_has_clkstop(codec) && codec_has_epss(codec) &&
+            (state & AC_PWRST_CLK_STOP_OK)))
                snd_hdac_codec_link_down(&codec->core);
        snd_hdac_link_power(&codec->core, false);
        return 0;
index 681c360f29f9d628cf4462c9bb7ef92879f27d91..a8b1b31f161c26f739892ea6b52e79ba2ebca291 100644 (file)
@@ -258,6 +258,7 @@ struct hda_codec {
        unsigned int power_save_node:1; /* advanced PM for each widget */
        unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
        unsigned int force_pin_prefix:1; /* Add location prefix */
+       unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
 #ifdef CONFIG_PM
        unsigned long power_on_acct;
        unsigned long power_off_acct;
index 04e949aa01ada5492765cd313608624f3a42c7b9..4ff5320378e22f8e4ef67a80afeb2982431d6fff 100644 (file)
@@ -991,6 +991,7 @@ struct ca0132_spec {
 enum {
        QUIRK_NONE,
        QUIRK_ALIENWARE,
+       QUIRK_ALIENWARE_M17XR4,
        QUIRK_SBZ,
        QUIRK_R3DI,
 };
@@ -1040,6 +1041,7 @@ static const struct hda_pintbl r3di_pincfgs[] = {
 };
 
 static const struct snd_pci_quirk ca0132_quirks[] = {
+       SND_PCI_QUIRK(0x1028, 0x057b, "Alienware M17x R4", QUIRK_ALIENWARE_M17XR4),
        SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15 2015", QUIRK_ALIENWARE),
        SND_PCI_QUIRK(0x1028, 0x0688, "Alienware 17 2015", QUIRK_ALIENWARE),
        SND_PCI_QUIRK(0x1028, 0x0708, "Alienware 15 R2 2016", QUIRK_ALIENWARE),
@@ -5663,7 +5665,7 @@ static const char * const ca0132_alt_slave_pfxs[] = {
  * I think this has to do with the pin for rear surround being 0x11,
  * and the center/lfe being 0x10. Usually the pin order is the opposite.
  */
-const struct snd_pcm_chmap_elem ca0132_alt_chmaps[] = {
+static const struct snd_pcm_chmap_elem ca0132_alt_chmaps[] = {
        { .channels = 2,
          .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
        { .channels = 4,
@@ -5966,7 +5968,7 @@ static int ca0132_build_pcms(struct hda_codec *codec)
        info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adcs[0];
 
        /* With the DSP enabled, desktops don't use this ADC. */
-       if (spec->use_alt_functions) {
+       if (!spec->use_alt_functions) {
                info = snd_hda_codec_pcm_new(codec, "CA0132 Analog Mic-In2");
                if (!info)
                        return -ENOMEM;
@@ -6130,7 +6132,10 @@ static void ca0132_init_dmic(struct hda_codec *codec)
         * Bit   6: set to select Data2, clear for Data1
         * Bit   7: set to enable DMic, clear for AMic
         */
-       val = 0x23;
+       if (spec->quirk == QUIRK_ALIENWARE_M17XR4)
+               val = 0x33;
+       else
+               val = 0x23;
        /* keep a copy of dmic ctl val for enable/disable dmic purpuse */
        spec->dmic_ctl = val;
        snd_hda_codec_write(codec, spec->input_pins[0], 0,
@@ -7223,7 +7228,7 @@ static int ca0132_init(struct hda_codec *codec)
 
        snd_hda_sequence_write(codec, spec->base_init_verbs);
 
-       if (spec->quirk != QUIRK_NONE)
+       if (spec->use_alt_functions)
                ca0132_alt_init(codec);
 
        ca0132_download_dsp(codec);
@@ -7237,8 +7242,9 @@ static int ca0132_init(struct hda_codec *codec)
        case QUIRK_R3DI:
                r3di_setup_defaults(codec);
                break;
-       case QUIRK_NONE:
-       case QUIRK_ALIENWARE:
+       case QUIRK_SBZ:
+               break;
+       default:
                ca0132_setup_defaults(codec);
                ca0132_init_analog_mic2(codec);
                ca0132_init_dmic(codec);
@@ -7343,7 +7349,6 @@ static const struct hda_codec_ops ca0132_patch_ops = {
 static void ca0132_config(struct hda_codec *codec)
 {
        struct ca0132_spec *spec = codec->spec;
-       struct auto_pin_cfg *cfg = &spec->autocfg;
 
        spec->dacs[0] = 0x2;
        spec->dacs[1] = 0x3;
@@ -7405,12 +7410,7 @@ static void ca0132_config(struct hda_codec *codec)
                /* SPDIF I/O */
                spec->dig_out = 0x05;
                spec->multiout.dig_out_nid = spec->dig_out;
-               cfg->dig_out_pins[0] = 0x0c;
-               cfg->dig_outs = 1;
-               cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
                spec->dig_in = 0x09;
-               cfg->dig_in_pin = 0x0e;
-               cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
                break;
        case QUIRK_R3DI:
                codec_dbg(codec, "%s: QUIRK_R3DI applied.\n", __func__);
@@ -7438,9 +7438,6 @@ static void ca0132_config(struct hda_codec *codec)
                /* SPDIF I/O */
                spec->dig_out = 0x05;
                spec->multiout.dig_out_nid = spec->dig_out;
-               cfg->dig_out_pins[0] = 0x0c;
-               cfg->dig_outs = 1;
-               cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
                break;
        default:
                spec->num_outputs = 2;
@@ -7463,12 +7460,7 @@ static void ca0132_config(struct hda_codec *codec)
                /* SPDIF I/O */
                spec->dig_out = 0x05;
                spec->multiout.dig_out_nid = spec->dig_out;
-               cfg->dig_out_pins[0] = 0x0c;
-               cfg->dig_outs = 1;
-               cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
                spec->dig_in = 0x09;
-               cfg->dig_in_pin = 0x0e;
-               cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
                break;
        }
 }
@@ -7476,7 +7468,7 @@ static void ca0132_config(struct hda_codec *codec)
 static int ca0132_prepare_verbs(struct hda_codec *codec)
 {
 /* Verbs + terminator (an empty element) */
-#define NUM_SPEC_VERBS 4
+#define NUM_SPEC_VERBS 2
        struct ca0132_spec *spec = codec->spec;
 
        spec->chip_init_verbs = ca0132_init_verbs0;
@@ -7488,34 +7480,24 @@ static int ca0132_prepare_verbs(struct hda_codec *codec)
        if (!spec->spec_init_verbs)
                return -ENOMEM;
 
-       /* HP jack autodetection */
-       spec->spec_init_verbs[0].nid = spec->unsol_tag_hp;
-       spec->spec_init_verbs[0].param = AC_VERB_SET_UNSOLICITED_ENABLE;
-       spec->spec_init_verbs[0].verb = AC_USRSP_EN | spec->unsol_tag_hp;
-
-       /* MIC1 jack autodetection */
-       spec->spec_init_verbs[1].nid = spec->unsol_tag_amic1;
-       spec->spec_init_verbs[1].param = AC_VERB_SET_UNSOLICITED_ENABLE;
-       spec->spec_init_verbs[1].verb = AC_USRSP_EN | spec->unsol_tag_amic1;
-
        /* config EAPD */
-       spec->spec_init_verbs[2].nid = 0x0b;
-       spec->spec_init_verbs[2].param = 0x78D;
-       spec->spec_init_verbs[2].verb = 0x00;
+       spec->spec_init_verbs[0].nid = 0x0b;
+       spec->spec_init_verbs[0].param = 0x78D;
+       spec->spec_init_verbs[0].verb = 0x00;
 
        /* Previously commented configuration */
        /*
-       spec->spec_init_verbs[3].nid = 0x0b;
-       spec->spec_init_verbs[3].param = AC_VERB_SET_EAPD_BTLENABLE;
+       spec->spec_init_verbs[2].nid = 0x0b;
+       spec->spec_init_verbs[2].param = AC_VERB_SET_EAPD_BTLENABLE;
+       spec->spec_init_verbs[2].verb = 0x02;
+
+       spec->spec_init_verbs[3].nid = 0x10;
+       spec->spec_init_verbs[3].param = 0x78D;
        spec->spec_init_verbs[3].verb = 0x02;
 
        spec->spec_init_verbs[4].nid = 0x10;
-       spec->spec_init_verbs[4].param = 0x78D;
+       spec->spec_init_verbs[4].param = AC_VERB_SET_EAPD_BTLENABLE;
        spec->spec_init_verbs[4].verb = 0x02;
-
-       spec->spec_init_verbs[5].nid = 0x10;
-       spec->spec_init_verbs[5].param = AC_VERB_SET_EAPD_BTLENABLE;
-       spec->spec_init_verbs[5].verb = 0x02;
        */
 
        /* Terminator: spec->spec_init_verbs[NUM_SPEC_VERBS-1] */
index 8840daf9c6a300899efaf02898430d158d5b972a..98e1c411c56abbd36bcd18d1c13fa27f2826bad2 100644 (file)
@@ -3741,6 +3741,11 @@ static int patch_atihdmi(struct hda_codec *codec)
 
        spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
 
+       /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
+        * the link-down as is.  Tell the core to allow it.
+        */
+       codec->link_down_at_suspend = 1;
+
        return 0;
 }
 
index e9bd33ea538f239891c031a1a81e075a35c75043..5ad6c7e5f92efab74718a48e8531e6e84fdc73d8 100644 (file)
@@ -2545,6 +2545,7 @@ static const struct snd_pci_quirk alc262_fixup_tbl[] = {
        SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu Lifebook S7110", ALC262_FIXUP_FSC_S7110),
        SND_PCI_QUIRK(0x10cf, 0x142d, "Fujitsu Lifebook E8410", ALC262_FIXUP_BENQ),
        SND_PCI_QUIRK(0x10f1, 0x2915, "Tyan Thunder n6650W", ALC262_FIXUP_TYAN),
+       SND_PCI_QUIRK(0x1734, 0x1141, "FSC ESPRIMO U9210", ALC262_FIXUP_FSC_H270),
        SND_PCI_QUIRK(0x1734, 0x1147, "FSC Celsius H270", ALC262_FIXUP_FSC_H270),
        SND_PCI_QUIRK(0x17aa, 0x384e, "Lenovo 3000", ALC262_FIXUP_LENOVO_3000),
        SND_PCI_QUIRK(0x17ff, 0x0560, "Benq ED8", ALC262_FIXUP_BENQ),
@@ -4995,7 +4996,6 @@ static void alc_fixup_tpt440_dock(struct hda_codec *codec,
        struct alc_spec *spec = codec->spec;
 
        if (action == HDA_FIXUP_ACT_PRE_PROBE) {
-               spec->shutup = alc_no_shutup; /* reduce click noise */
                spec->reboot_notify = alc_d3_at_reboot; /* reduce noise */
                spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
                codec->power_save_node = 0; /* avoid click noises */
@@ -5394,6 +5394,13 @@ static void alc274_fixup_bind_dacs(struct hda_codec *codec,
 /* for hda_fixup_thinkpad_acpi() */
 #include "thinkpad_helper.c"
 
+static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
+                                   const struct hda_fixup *fix, int action)
+{
+       alc_fixup_no_shutup(codec, fix, action); /* reduce click noise */
+       hda_fixup_thinkpad_acpi(codec, fix, action);
+}
+
 /* for dell wmi mic mute led */
 #include "dell_wmi_helper.c"
 
@@ -5946,7 +5953,7 @@ static const struct hda_fixup alc269_fixups[] = {
        },
        [ALC269_FIXUP_THINKPAD_ACPI] = {
                .type = HDA_FIXUP_FUNC,
-               .v.func = hda_fixup_thinkpad_acpi,
+               .v.func = alc_fixup_thinkpad_acpi,
                .chained = true,
                .chain_id = ALC269_FIXUP_SKU_IGNORE,
        },
@@ -6603,8 +6610,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
        SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
        SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+       SND_PCI_QUIRK(0x17aa, 0x312a, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
        SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
-       SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+       SND_PCI_QUIRK(0x17aa, 0x3136, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
        SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
        SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
        SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
@@ -6782,6 +6790,12 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
                {0x14, 0x90170110},
                {0x19, 0x02a11030},
                {0x21, 0x02211020}),
+       SND_HDA_PIN_QUIRK(0x10ec0235, 0x17aa, "Lenovo", ALC294_FIXUP_LENOVO_MIC_LOCATION,
+               {0x14, 0x90170110},
+               {0x19, 0x02a11030},
+               {0x1a, 0x02a11040},
+               {0x1b, 0x01014020},
+               {0x21, 0x0221101f}),
        SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
                {0x12, 0x90a60140},
                {0x14, 0x90170110},
index 6c85f13ab23f17f7ef4031f5f73797fb383584a7..54f6252faca684b23ef91617318c8ae11e3de04e 100644 (file)
@@ -1018,6 +1018,7 @@ static int snd_lx6464es_create(struct snd_card *card,
        chip->port_dsp_bar = pci_ioremap_bar(pci, 2);
        if (!chip->port_dsp_bar) {
                dev_err(card->dev, "cannot remap PCI memory region\n");
+               err = -ENOMEM;
                goto remap_pci_failed;
        }
 
index caae4843cb7001fbee1fa9b222850df7006850fb..16e006f708ca0cbd44a63135bb996b8db7c3ba9e 100644 (file)
@@ -91,6 +91,7 @@ struct kvm_regs {
 #define KVM_VGIC_V3_ADDR_TYPE_DIST     2
 #define KVM_VGIC_V3_ADDR_TYPE_REDIST   3
 #define KVM_VGIC_ITS_ADDR_TYPE         4
+#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION    5
 
 #define KVM_VGIC_V3_DIST_SIZE          SZ_64K
 #define KVM_VGIC_V3_REDIST_SIZE                (2 * SZ_64K)
index 04b3256f8e6d5f8e3e368b043f0fdcfeb7c23164..4e76630dd6554673d71ad647c1108bb54f1bcea2 100644 (file)
@@ -91,6 +91,7 @@ struct kvm_regs {
 #define KVM_VGIC_V3_ADDR_TYPE_DIST     2
 #define KVM_VGIC_V3_ADDR_TYPE_REDIST   3
 #define KVM_VGIC_ITS_ADDR_TYPE         4
+#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION    5
 
 #define KVM_VGIC_V3_DIST_SIZE          SZ_64K
 #define KVM_VGIC_V3_REDIST_SIZE                (2 * SZ_64K)
index 833ed9a16adfd03e0b6cb70adc19fe03055f7344..1b32b56a03d34ce2a5f0b7f79c621f87d8c89dbf 100644 (file)
@@ -633,6 +633,7 @@ struct kvm_ppc_cpu_char {
 #define KVM_REG_PPC_PSSCR      (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd)
 
 #define KVM_REG_PPC_DEC_EXPIRY (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbe)
+#define KVM_REG_PPC_ONLINE     (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbf)
 
 /* Transactional Memory checkpointed state:
  * This is all GPRs, all VSX regs and a subset of SPRs
index 389c36fd82990f3f6b390342f56375ac0067054a..ac5ba55066dd76a26f133d91623309036bcad4c8 100644 (file)
 #define __NR_pkey_alloc                384
 #define __NR_pkey_free         385
 #define __NR_pkey_mprotect     386
+#define __NR_rseq              387
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
index fb00a2fca9901eb02ea7b730ddbac957e8ecc947..5701f5cecd3125fbce64ead21d89d02fc8fa25af 100644 (file)
 #define X86_FEATURE_AMD_IBPB           (13*32+12) /* "" Indirect Branch Prediction Barrier */
 #define X86_FEATURE_AMD_IBRS           (13*32+14) /* "" Indirect Branch Restricted Speculation */
 #define X86_FEATURE_AMD_STIBP          (13*32+15) /* "" Single Thread Indirect Branch Predictors */
+#define X86_FEATURE_AMD_SSBD           (13*32+24) /* "" Speculative Store Bypass Disable */
 #define X86_FEATURE_VIRT_SSBD          (13*32+25) /* Virtualized Speculative Store Bypass Disable */
+#define X86_FEATURE_AMD_SSB_NO         (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */
 
 /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
 #define X86_FEATURE_DTHERM             (14*32+ 0) /* Digital Thermal Sensor */
index 05f42a46d6ed35482c96ab9aed74915dd36fc284..959aa53ab6789f839442326359701b17ba9e337c 100644 (file)
@@ -694,15 +694,19 @@ static int do_load(int argc, char **argv)
                return -1;
        }
 
-       if (do_pin_fd(prog_fd, argv[1])) {
-               p_err("failed to pin program");
-               return -1;
-       }
+       if (do_pin_fd(prog_fd, argv[1]))
+               goto err_close_obj;
 
        if (json_output)
                jsonw_null(json_wtr);
 
+       bpf_object__close(obj);
+
        return 0;
+
+err_close_obj:
+       bpf_object__close(obj);
+       return -1;
 }
 
 static int do_help(int argc, char **argv)
index 6fdff5945c8a08f27af713f6b59cb27b315da447..9c660e1688abe1cd6bf0e22bf709515e8a463e0d 100644 (file)
@@ -680,6 +680,13 @@ struct drm_get_cap {
  */
 #define DRM_CLIENT_CAP_ATOMIC  3
 
+/**
+ * DRM_CLIENT_CAP_ASPECT_RATIO
+ *
+ * If set to 1, the DRM core will provide aspect ratio information in modes.
+ */
+#define DRM_CLIENT_CAP_ASPECT_RATIO    4
+
 /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
 struct drm_set_client_cap {
        __u64 capability;
index e0b06784f2279d9f428da4a0bce526721a452570..59b19b6a40d73ea6575f8810a6f4345a931c5a01 100644 (file)
@@ -2630,7 +2630,7 @@ struct bpf_fib_lookup {
        union {
                /* inputs to lookup */
                __u8    tos;            /* AF_INET  */
-               __be32  flowlabel;      /* AF_INET6 */
+               __be32  flowinfo;       /* AF_INET6, flow_label + priority */
 
                /* output: metric of fib result (IPv4/IPv6 only) */
                __u32   rt_metric;
index 68699f654118592527096dc26336f57da6a01cdc..cf01b68242448512416c1b1aa25f0904915aad0a 100644 (file)
@@ -333,6 +333,7 @@ enum {
        IFLA_BRPORT_BCAST_FLOOD,
        IFLA_BRPORT_GROUP_FWD_MASK,
        IFLA_BRPORT_NEIGH_SUPPRESS,
+       IFLA_BRPORT_ISOLATED,
        __IFLA_BRPORT_MAX
 };
 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
@@ -516,6 +517,7 @@ enum {
        IFLA_VXLAN_COLLECT_METADATA,
        IFLA_VXLAN_LABEL,
        IFLA_VXLAN_GPE,
+       IFLA_VXLAN_TTL_INHERIT,
        __IFLA_VXLAN_MAX
 };
 #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
index 39e364c70caf780312808e179a1bb234aa45460e..b6270a3b38e9f3fb410e8c80d8658b2c01a8ef96 100644 (file)
@@ -948,6 +948,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_S390_BPB 152
 #define KVM_CAP_GET_MSR_FEATURES 153
 #define KVM_CAP_HYPERV_EVENTFD 154
+#define KVM_CAP_HYPERV_TLBFLUSH 155
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
index 4e60e105583ee803916589ca56df0e81e12b8fb3..0d1acb704f641df7762f12f159afd70313089cc0 100644 (file)
@@ -302,19 +302,34 @@ static int read_symbols(struct elf *elf)
                                continue;
                        sym->pfunc = sym->cfunc = sym;
                        coldstr = strstr(sym->name, ".cold.");
-                       if (coldstr) {
-                               coldstr[0] = '\0';
-                               pfunc = find_symbol_by_name(elf, sym->name);
-                               coldstr[0] = '.';
-
-                               if (!pfunc) {
-                                       WARN("%s(): can't find parent function",
-                                            sym->name);
-                                       goto err;
-                               }
-
-                               sym->pfunc = pfunc;
-                               pfunc->cfunc = sym;
+                       if (!coldstr)
+                               continue;
+
+                       coldstr[0] = '\0';
+                       pfunc = find_symbol_by_name(elf, sym->name);
+                       coldstr[0] = '.';
+
+                       if (!pfunc) {
+                               WARN("%s(): can't find parent function",
+                                    sym->name);
+                               goto err;
+                       }
+
+                       sym->pfunc = pfunc;
+                       pfunc->cfunc = sym;
+
+                       /*
+                        * Unfortunately, -fnoreorder-functions puts the child
+                        * inside the parent.  Remove the overlap so we can
+                        * have sane assumptions.
+                        *
+                        * Note that pfunc->len now no longer matches
+                        * pfunc->sym.st_size.
+                        */
+                       if (sym->sec == pfunc->sec &&
+                           sym->offset >= pfunc->offset &&
+                           sym->offset + sym->len == pfunc->offset + pfunc->len) {
+                               pfunc->len -= sym->len;
                        }
                }
        }
index 3598b8b75d274c8ebcc6fc0452091dec34c797b7..ef5d59a5742e2467fc409d52aebbfe4111ce0710 100644 (file)
@@ -243,7 +243,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain)
        u64 ip;
        u64 skip_slot = -1;
 
-       if (chain->nr < 3)
+       if (!chain || chain->nr < 3)
                return skip_slot;
 
        ip = chain->ips[2];
index 4dfe42666d0ce6e20214e70f0c2a6a3884106290..f0b1709a5ffb2b0901d7f2492252876d17bc25a0 100644 (file)
 330    common  pkey_alloc              __x64_sys_pkey_alloc
 331    common  pkey_free               __x64_sys_pkey_free
 332    common  statx                   __x64_sys_statx
+333    common  io_pgetevents           __x64_sys_io_pgetevents
+334    common  rseq                    __x64_sys_rseq
 
 #
 # x32-specific system call numbers start at 512 to avoid cache impact
index 63eb49082774c94dfbabe7a18db73bdc2403fb6a..44195514b19e65a5ee0287b48fa0ab25fa44d66f 100644 (file)
@@ -1098,7 +1098,7 @@ static void *worker_thread(void *__tdata)
        u8 *global_data;
        u8 *process_data;
        u8 *thread_data;
-       u64 bytes_done;
+       u64 bytes_done, secs;
        long work_done;
        u32 l;
        struct rusage rusage;
@@ -1254,7 +1254,8 @@ static void *worker_thread(void *__tdata)
        timersub(&stop, &start0, &diff);
        td->runtime_ns = diff.tv_sec * NSEC_PER_SEC;
        td->runtime_ns += diff.tv_usec * NSEC_PER_USEC;
-       td->speed_gbs = bytes_done / (td->runtime_ns / NSEC_PER_SEC) / 1e9;
+       secs = td->runtime_ns / NSEC_PER_SEC;
+       td->speed_gbs = secs ? bytes_done / secs / 1e9 : 0;
 
        getrusage(RUSAGE_THREAD, &rusage);
        td->system_time_ns = rusage.ru_stime.tv_sec * NSEC_PER_SEC;
index 5eb22cc563636c11d4e12bf42c71f00b3e1255db..8180319285af3377810c30c0298f37c73cb9bb8d 100644 (file)
@@ -283,6 +283,15 @@ out_put:
        return ret;
 }
 
+static int process_feature_event(struct perf_tool *tool,
+                                union perf_event *event,
+                                struct perf_session *session)
+{
+       if (event->feat.feat_id < HEADER_LAST_FEATURE)
+               return perf_event__process_feature(tool, event, session);
+       return 0;
+}
+
 static int hist_entry__tty_annotate(struct hist_entry *he,
                                    struct perf_evsel *evsel,
                                    struct perf_annotate *ann)
@@ -471,7 +480,7 @@ int cmd_annotate(int argc, const char **argv)
                        .attr   = perf_event__process_attr,
                        .build_id = perf_event__process_build_id,
                        .tracing_data   = perf_event__process_tracing_data,
-                       .feature        = perf_event__process_feature,
+                       .feature        = process_feature_event,
                        .ordered_events = true,
                        .ordering_requires_timestamps = true,
                },
index cdb5b694983273de734fa1f45848c49eeac239d2..c04dc7b537971a07801153db1f9cdaf5da8a2c34 100644 (file)
@@ -217,7 +217,8 @@ static int process_feature_event(struct perf_tool *tool,
        }
 
        /*
-        * All features are received, we can force the
+        * (feat_id = HEADER_LAST_FEATURE) is the end marker which
+        * means all features are received, now we can force the
         * group if needed.
         */
        setup_forced_leader(rep, session->evlist);
index a31d7082188e1ff87dd6d170a9d63016b513ed12..568ddfac3213e084c1f4c6077cd73943bf0644b9 100644 (file)
@@ -1834,6 +1834,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
        struct perf_evlist *evlist;
        struct perf_evsel *evsel, *pos;
        int err;
+       static struct perf_evsel_script *es;
 
        err = perf_event__process_attr(tool, event, pevlist);
        if (err)
@@ -1842,6 +1843,19 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
        evlist = *pevlist;
        evsel = perf_evlist__last(*pevlist);
 
+       if (!evsel->priv) {
+               if (scr->per_event_dump) {
+                       evsel->priv = perf_evsel_script__new(evsel,
+                                               scr->session->data);
+               } else {
+                       es = zalloc(sizeof(*es));
+                       if (!es)
+                               return -ENOMEM;
+                       es->fp = stdout;
+                       evsel->priv = es;
+               }
+       }
+
        if (evsel->attr.type >= PERF_TYPE_MAX &&
            evsel->attr.type != PERF_TYPE_SYNTH)
                return 0;
@@ -3030,6 +3044,15 @@ int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
        return set_maps(script);
 }
 
+static int process_feature_event(struct perf_tool *tool,
+                                union perf_event *event,
+                                struct perf_session *session)
+{
+       if (event->feat.feat_id < HEADER_LAST_FEATURE)
+               return perf_event__process_feature(tool, event, session);
+       return 0;
+}
+
 #ifdef HAVE_AUXTRACE_SUPPORT
 static int perf_script__process_auxtrace_info(struct perf_tool *tool,
                                              union perf_event *event,
@@ -3074,7 +3097,7 @@ int cmd_script(int argc, const char **argv)
                        .attr            = process_attr,
                        .event_update   = perf_event__process_event_update,
                        .tracing_data    = perf_event__process_tracing_data,
-                       .feature         = perf_event__process_feature,
+                       .feature         = process_feature_event,
                        .build_id        = perf_event__process_build_id,
                        .id_index        = perf_event__process_id_index,
                        .auxtrace_info   = perf_script__process_auxtrace_info,
@@ -3125,8 +3148,9 @@ int cmd_script(int argc, const char **argv)
                     "+field to add and -field to remove."
                     "Valid types: hw,sw,trace,raw,synth. "
                     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
-                    "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
-                    "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
+                    "addr,symoff,srcline,period,iregs,uregs,brstack,"
+                    "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
+                    "callindent,insn,insnlen,synth,phys_addr,metric,misc",
                     parse_output_fields),
        OPT_BOOLEAN('a', "all-cpus", &system_wide,
                    "system-wide collection from all CPUs"),
index 7d40770684549d8691d63a403816b76b5bb7c3ad..61211918bfbaa5eaaba1b90c6664ebbe506da98b 100644 (file)
@@ -1309,6 +1309,11 @@ static int test__checkevent_config_cache(struct perf_evlist *evlist)
        return 0;
 }
 
+static bool test__intel_pt_valid(void)
+{
+       return !!perf_pmu__find("intel_pt");
+}
+
 static int test__intel_pt(struct perf_evlist *evlist)
 {
        struct perf_evsel *evsel = perf_evlist__first(evlist);
@@ -1375,6 +1380,7 @@ struct evlist_test {
        const char *name;
        __u32 type;
        const int id;
+       bool (*valid)(void);
        int (*check)(struct perf_evlist *evlist);
 };
 
@@ -1648,6 +1654,7 @@ static struct evlist_test test__events[] = {
        },
        {
                .name  = "intel_pt//u",
+               .valid = test__intel_pt_valid,
                .check = test__intel_pt,
                .id    = 52,
        },
@@ -1686,17 +1693,24 @@ static struct terms_test test__terms[] = {
 
 static int test_event(struct evlist_test *e)
 {
+       struct parse_events_error err = { .idx = 0, };
        struct perf_evlist *evlist;
        int ret;
 
+       if (e->valid && !e->valid()) {
+               pr_debug("... SKIP");
+               return 0;
+       }
+
        evlist = perf_evlist__new();
        if (evlist == NULL)
                return -ENOMEM;
 
-       ret = parse_events(evlist, e->name, NULL);
+       ret = parse_events(evlist, e->name, &err);
        if (ret) {
-               pr_debug("failed to parse event '%s', err %d\n",
-                        e->name, ret);
+               pr_debug("failed to parse event '%s', err %d, str '%s'\n",
+                        e->name, ret, err.str);
+               parse_events_print_error(&err, e->name);
        } else {
                ret = e->check(evlist);
        }
@@ -1714,10 +1728,11 @@ static int test_events(struct evlist_test *events, unsigned cnt)
        for (i = 0; i < cnt; i++) {
                struct evlist_test *e = &events[i];
 
-               pr_debug("running test %d '%s'\n", e->id, e->name);
+               pr_debug("running test %d '%s'", e->id, e->name);
                ret1 = test_event(e);
                if (ret1)
                        ret2 = ret1;
+               pr_debug("\n");
        }
 
        return ret2;
@@ -1799,7 +1814,7 @@ static int test_pmu_events(void)
        }
 
        while (!ret && (ent = readdir(dir))) {
-               struct evlist_test e;
+               struct evlist_test e = { .id = 0, };
                char name[2 * NAME_MAX + 1 + 12 + 3];
 
                /* Names containing . are special and cannot be used directly */
index 40e30a26b23cc260536977fb9a0b17db54aa207a..9497d02f69e6669d8ca19ed753beb1a8477f4006 100644 (file)
@@ -45,6 +45,7 @@ static int session_write_header(char *path)
 
        perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
        perf_header__set_feat(&session->header, HEADER_NRCPUS);
+       perf_header__set_feat(&session->header, HEADER_ARCH);
 
        session->header.data_size += DATA_SIZE;
 
index bf31ceab33bd487d0021ccd9818384dde51fd371..89512504551b0b198a44ebe30e81d0972b86ce77 100644 (file)
@@ -146,8 +146,15 @@ getBPFObjectFromModule(llvm::Module *Module)
        raw_svector_ostream ostream(*Buffer);
 
        legacy::PassManager PM;
-       if (TargetMachine->addPassesToEmitFile(PM, ostream,
-                                              TargetMachine::CGFT_ObjectFile)) {
+       bool NotAdded;
+#if CLANG_VERSION_MAJOR < 7
+       NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream,
+                                                     TargetMachine::CGFT_ObjectFile);
+#else
+       NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream, nullptr,
+                                                     TargetMachine::CGFT_ObjectFile);
+#endif
+       if (NotAdded) {
                llvm::errs() << "TargetMachine can't emit a file of this type\n";
                return std::unique_ptr<llvm::SmallVectorImpl<char>>(nullptr);;
        }
index 540cd2dcd3e7098b7335c534a0aa7534ba87c889..653ff65aa2c37991763045c1c1bdb9f76f5d473f 100644 (file)
@@ -2129,6 +2129,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
        int cpu_nr = ff->ph->env.nr_cpus_avail;
        u64 size = 0;
        struct perf_header *ph = ff->ph;
+       bool do_core_id_test = true;
 
        ph->env.cpu = calloc(cpu_nr, sizeof(*ph->env.cpu));
        if (!ph->env.cpu)
@@ -2183,6 +2184,13 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
                return 0;
        }
 
+       /* On s390 the socket_id number is not related to the numbers of cpus.
+        * The socket_id number might be higher than the numbers of cpus.
+        * This depends on the configuration.
+        */
+       if (ph->env.arch && !strncmp(ph->env.arch, "s390", 4))
+               do_core_id_test = false;
+
        for (i = 0; i < (u32)cpu_nr; i++) {
                if (do_read_u32(ff, &nr))
                        goto free_cpu;
@@ -2192,7 +2200,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
                if (do_read_u32(ff, &nr))
                        goto free_cpu;
 
-               if (nr != (u32)-1 && nr > (u32)cpu_nr) {
+               if (do_core_id_test && nr != (u32)-1 && nr > (u32)cpu_nr) {
                        pr_debug("socket_id number is too big."
                                 "You may need to upgrade the perf tool.\n");
                        goto free_cpu;
@@ -3456,7 +3464,7 @@ int perf_event__process_feature(struct perf_tool *tool,
                pr_warning("invalid record type %d in pipe-mode\n", type);
                return 0;
        }
-       if (feat == HEADER_RESERVED || feat > HEADER_LAST_FEATURE) {
+       if (feat == HEADER_RESERVED || feat >= HEADER_LAST_FEATURE) {
                pr_warning("invalid record type %d in pipe-mode\n", type);
                return -1;
        }
index ba4c9dd186434a33c8c33a59ab8884fd7c679dd3..d426761a549d02d67756c541ea7ab0b2a0495e68 100644 (file)
@@ -366,7 +366,7 @@ static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf,
                if (len < offs)
                        return INTEL_PT_NEED_MORE_BYTES;
                byte = buf[offs++];
-               payload |= (byte >> 1) << shift;
+               payload |= ((uint64_t)byte >> 1) << shift;
        }
 
        packet->type = INTEL_PT_CYC;
index d2fb597c9a8c78d8e8fd8a9890e67f8b8f4432d7..3ba6a1742f9198b2b5279511939d42658ba8a184 100644 (file)
@@ -234,6 +234,74 @@ static int perf_pmu__parse_snapshot(struct perf_pmu_alias *alias,
        return 0;
 }
 
+static void perf_pmu_assign_str(char *name, const char *field, char **old_str,
+                               char **new_str)
+{
+       if (!*old_str)
+               goto set_new;
+
+       if (*new_str) { /* Have new string, check with old */
+               if (strcasecmp(*old_str, *new_str))
+                       pr_debug("alias %s differs in field '%s'\n",
+                                name, field);
+               zfree(old_str);
+       } else          /* Nothing new --> keep old string */
+               return;
+set_new:
+       *old_str = *new_str;
+       *new_str = NULL;
+}
+
+static void perf_pmu_update_alias(struct perf_pmu_alias *old,
+                                 struct perf_pmu_alias *newalias)
+{
+       perf_pmu_assign_str(old->name, "desc", &old->desc, &newalias->desc);
+       perf_pmu_assign_str(old->name, "long_desc", &old->long_desc,
+                           &newalias->long_desc);
+       perf_pmu_assign_str(old->name, "topic", &old->topic, &newalias->topic);
+       perf_pmu_assign_str(old->name, "metric_expr", &old->metric_expr,
+                           &newalias->metric_expr);
+       perf_pmu_assign_str(old->name, "metric_name", &old->metric_name,
+                           &newalias->metric_name);
+       perf_pmu_assign_str(old->name, "value", &old->str, &newalias->str);
+       old->scale = newalias->scale;
+       old->per_pkg = newalias->per_pkg;
+       old->snapshot = newalias->snapshot;
+       memcpy(old->unit, newalias->unit, sizeof(old->unit));
+}
+
+/* Delete an alias entry. */
+static void perf_pmu_free_alias(struct perf_pmu_alias *newalias)
+{
+       zfree(&newalias->name);
+       zfree(&newalias->desc);
+       zfree(&newalias->long_desc);
+       zfree(&newalias->topic);
+       zfree(&newalias->str);
+       zfree(&newalias->metric_expr);
+       zfree(&newalias->metric_name);
+       parse_events_terms__purge(&newalias->terms);
+       free(newalias);
+}
+
+/* Merge an alias, search in alias list. If this name is already
+ * present merge both of them to combine all information.
+ */
+static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias,
+                                struct list_head *alist)
+{
+       struct perf_pmu_alias *a;
+
+       list_for_each_entry(a, alist, list) {
+               if (!strcasecmp(newalias->name, a->name)) {
+                       perf_pmu_update_alias(a, newalias);
+                       perf_pmu_free_alias(newalias);
+                       return true;
+               }
+       }
+       return false;
+}
+
 static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
                                 char *desc, char *val,
                                 char *long_desc, char *topic,
@@ -241,9 +309,11 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
                                 char *metric_expr,
                                 char *metric_name)
 {
+       struct parse_events_term *term;
        struct perf_pmu_alias *alias;
        int ret;
        int num;
+       char newval[256];
 
        alias = malloc(sizeof(*alias));
        if (!alias)
@@ -262,6 +332,27 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
                return ret;
        }
 
+       /* Scan event and remove leading zeroes, spaces, newlines, some
+        * platforms have terms specified as
+        * event=0x0091 (read from files ../<PMU>/events/<FILE>
+        * and terms specified as event=0x91 (read from JSON files).
+        *
+        * Rebuild string to make alias->str member comparable.
+        */
+       memset(newval, 0, sizeof(newval));
+       ret = 0;
+       list_for_each_entry(term, &alias->terms, list) {
+               if (ret)
+                       ret += scnprintf(newval + ret, sizeof(newval) - ret,
+                                        ",");
+               if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM)
+                       ret += scnprintf(newval + ret, sizeof(newval) - ret,
+                                        "%s=%#x", term->config, term->val.num);
+               else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR)
+                       ret += scnprintf(newval + ret, sizeof(newval) - ret,
+                                        "%s=%s", term->config, term->val.str);
+       }
+
        alias->name = strdup(name);
        if (dir) {
                /*
@@ -285,9 +376,10 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
                snprintf(alias->unit, sizeof(alias->unit), "%s", unit);
        }
        alias->per_pkg = perpkg && sscanf(perpkg, "%d", &num) == 1 && num == 1;
-       alias->str = strdup(val);
+       alias->str = strdup(newval);
 
-       list_add_tail(&alias->list, list);
+       if (!perf_pmu_merge_alias(alias, list))
+               list_add_tail(&alias->list, list);
 
        return 0;
 }
@@ -303,6 +395,9 @@ static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FI
 
        buf[ret] = 0;
 
+       /* Remove trailing newline from sysfs file */
+       rtrim(buf);
+
        return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL, NULL, NULL,
                                     NULL, NULL, NULL);
 }
index 7eb613ffef55a827850aaa091f94033212f15da8..b4994a94968bfd9d12965fd630cba7e99458a30a 100644 (file)
@@ -6,6 +6,7 @@ CONFIG_TEST_BPF=m
 CONFIG_CGROUP_BPF=y
 CONFIG_NETDEVSIM=m
 CONFIG_NET_CLS_ACT=y
+CONFIG_NET_SCHED=y
 CONFIG_NET_SCH_INGRESS=y
 CONFIG_NET_IPIP=y
 CONFIG_IPV6=y
index 35669ccd4d23b26c7505e8829bcf3876e3bcb3e1..9df0d2ac45f8453b9529c4ea90fb19dba3f86480 100755 (executable)
@@ -1,6 +1,15 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+msg="skip all tests:"
+if [ "$(id -u)" != "0" ]; then
+       echo $msg please run this as root >&2
+       exit $ksft_skip
+fi
+
 SRC_TREE=../../../../
 
 test_run()
index ce2e15e4f9760e205ed8e91ab5260a23172ab2e5..677686198df34d799e67c0eb15ab25f4b68eba4c 100755 (executable)
@@ -1,6 +1,15 @@
 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+msg="skip all tests:"
+if [ $UID != 0 ]; then
+       echo $msg please run this as root >&2
+       exit $ksft_skip
+fi
+
 GREEN='\033[0;92m'
 RED='\033[0;31m'
 NC='\033[0m' # No Color
index 1c77994b5e713dfe8aae357dd083c4713080f62a..270fa8f49573207bc973cce2302b53341a6fec5b 100755 (executable)
 # An UDP datagram is sent from fb00::1 to fb00::6. The test succeeds if this
 # datagram can be read on NS6 when binding to fb00::6.
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+msg="skip all tests:"
+if [ $UID != 0 ]; then
+       echo $msg please run this as root >&2
+       exit $ksft_skip
+fi
+
 TMP_FILE="/tmp/selftest_lwt_seg6local.txt"
 
 cleanup()
index 05c8cb71724ae8c1d8d7c3e3453bce9a83092b96..9e78df207919366fbdd048f7645568ac701ad5f5 100644 (file)
@@ -1413,18 +1413,12 @@ out:
 
 int main(int argc, char **argv)
 {
-       struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
        int iov_count = 1, length = 1024, rate = 1;
        struct sockmap_options options = {0};
        int opt, longindex, err, cg_fd = 0;
        char *bpf_file = BPF_SOCKMAP_FILENAME;
        int test = PING_PONG;
 
-       if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-               perror("setrlimit(RLIMIT_MEMLOCK)");
-               return 1;
-       }
-
        if (argc < 2)
                return test_suite();
 
index 128e548aa377d600f16fa0b9cdb4fbdf9c540cdc..1a0ac3a29ec5f8c9f0052e47e074f40089c634c5 100644 (file)
@@ -12,3 +12,4 @@ tcp_mmap
 udpgso
 udpgso_bench_rx
 udpgso_bench_tx
+tcp_inq
index 7ba089b33e8b8248ec08d8421a582be66c9f7e87..cd3a2f1545b54c23dab9b534bce9528c57b6c2ec 100644 (file)
@@ -12,3 +12,5 @@ CONFIG_NET_IPVTI=y
 CONFIG_INET6_XFRM_MODE_TUNNEL=y
 CONFIG_IPV6_VTI=y
 CONFIG_DUMMY=y
+CONFIG_BRIDGE=y
+CONFIG_VLAN_8021Q=y
old mode 100644 (file)
new mode 100755 (executable)
index 246145b84a127c341fd1fdc4fb41bcf6c7d51644..4d9dc3f2fd7048212181c51f03cef4d1650e07c9 100644 (file)
@@ -610,21 +610,41 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
         */
        for (int i = 0; i < NGREG; i++) {
                greg_t req = requested_regs[i], res = resulting_regs[i];
+
                if (i == REG_TRAPNO || i == REG_IP)
                        continue;       /* don't care */
-               if (i == REG_SP) {
-                       printf("\tSP: %llx -> %llx\n", (unsigned long long)req,
-                              (unsigned long long)res);
 
+               if (i == REG_SP) {
                        /*
-                        * In many circumstances, the high 32 bits of rsp
-                        * are zeroed.  For example, we could be a real
-                        * 32-bit program, or we could hit any of a number
-                        * of poorly-documented IRET or segmented ESP
-                        * oddities.  If this happens, it's okay.
+                        * If we were using a 16-bit stack segment, then
+                        * the kernel is a bit stuck: IRET only restores
+                        * the low 16 bits of ESP/RSP if SS is 16-bit.
+                        * The kernel uses a hack to restore bits 31:16,
+                        * but that hack doesn't help with bits 63:32.
+                        * On Intel CPUs, bits 63:32 end up zeroed, and, on
+                        * AMD CPUs, they leak the high bits of the kernel
+                        * espfix64 stack pointer.  There's very little that
+                        * the kernel can do about it.
+                        *
+                        * Similarly, if we are returning to a 32-bit context,
+                        * the CPU will often lose the high 32 bits of RSP.
                         */
-                       if (res == (req & 0xFFFFFFFF))
-                               continue;  /* OK; not expected to work */
+
+                       if (res == req)
+                               continue;
+
+                       if (cs_bits != 64 && ((res ^ req) & 0xFFFFFFFF) == 0) {
+                               printf("[NOTE]\tSP: %llx -> %llx\n",
+                                      (unsigned long long)req,
+                                      (unsigned long long)res);
+                               continue;
+                       }
+
+                       printf("[FAIL]\tSP mismatch: requested 0x%llx; got 0x%llx\n",
+                              (unsigned long long)requested_regs[i],
+                              (unsigned long long)resulting_regs[i]);
+                       nerrs++;
+                       continue;
                }
 
                bool ignore_reg = false;
@@ -654,25 +674,18 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
 #endif
 
                /* Sanity check on the kernel */
-               if (i == REG_CX && requested_regs[i] != resulting_regs[i]) {
+               if (i == REG_CX && req != res) {
                        printf("[FAIL]\tCX (saved SP) mismatch: requested 0x%llx; got 0x%llx\n",
-                              (unsigned long long)requested_regs[i],
-                              (unsigned long long)resulting_regs[i]);
+                              (unsigned long long)req,
+                              (unsigned long long)res);
                        nerrs++;
                        continue;
                }
 
-               if (requested_regs[i] != resulting_regs[i] && !ignore_reg) {
-                       /*
-                        * SP is particularly interesting here.  The
-                        * usual cause of failures is that we hit the
-                        * nasty IRET case of returning to a 16-bit SS,
-                        * in which case bits 16:31 of the *kernel*
-                        * stack pointer persist in ESP.
-                        */
+               if (req != res && !ignore_reg) {
                        printf("[FAIL]\tReg %d mismatch: requested 0x%llx; got 0x%llx\n",
-                              i, (unsigned long long)requested_regs[i],
-                              (unsigned long long)resulting_regs[i]);
+                              i, (unsigned long long)req,
+                              (unsigned long long)res);
                        nerrs++;
                }
        }
index 9a45f90e2d08974c42c6e6dc242b5cfd35d5e120..369ee308b6686ca4a106581b91f8d382e45c79e8 100644 (file)
@@ -36,7 +36,6 @@ static inline void sg_assign_page(struct scatterlist *sg, struct page *page)
         */
        BUG_ON((unsigned long) page & 0x03);
 #ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
        BUG_ON(sg_is_chain(sg));
 #endif
        sg->page_link = page_link | (unsigned long) page;
@@ -67,7 +66,6 @@ static inline void sg_set_page(struct scatterlist *sg, struct page *page,
 static inline struct page *sg_page(struct scatterlist *sg)
 {
 #ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
        BUG_ON(sg_is_chain(sg));
 #endif
        return (struct page *)((sg)->page_link & ~0x3);
@@ -116,9 +114,6 @@ static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
  **/
 static inline void sg_mark_end(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        /*
         * Set termination bit, clear potential chain bit
         */
@@ -136,17 +131,11 @@ static inline void sg_mark_end(struct scatterlist *sg)
  **/
 static inline void sg_unmark_end(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        sg->page_link &= ~0x02;
 }
 
 static inline struct scatterlist *sg_next(struct scatterlist *sg)
 {
-#ifdef CONFIG_DEBUG_SG
-       BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
        if (sg_is_last(sg))
                return NULL;
 
@@ -160,13 +149,6 @@ static inline struct scatterlist *sg_next(struct scatterlist *sg)
 static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
 {
        memset(sgl, 0, sizeof(*sgl) * nents);
-#ifdef CONFIG_DEBUG_SG
-       {
-               unsigned int i;
-               for (i = 0; i < nents; i++)
-                       sgl[i].sg_magic = SG_MAGIC;
-       }
-#endif
        sg_mark_end(&sgl[nents - 1]);
 }