sfrench/cifs-2.6.git
9 months agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Fri, 25 Oct 2019 21:31:53 +0000 (17:31 -0400)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

Pull input fix from Dmitry Torokhov:
 "A fix for st1232 driver to properly report coordinates for 2nd and
  subsequent fingers when more than one is on the surface"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: st1232 - fix reporting multitouch coordinates

9 months agoMerge tag 'modules-for-v5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 25 Oct 2019 20:11:55 +0000 (16:11 -0400)]
Merge tag 'modules-for-v5.4-rc5' of git://git./linux/kernel/git/jeyu/linux

Pull modules fixes from Jessica Yu:

 - Revert __ksymtab_$namespace.$symbol naming scheme back to
   __ksymtab_$symbol, as it was causing issues with depmod.

   Instead, have modpost extract a symbol's namespace from __kstrtabns
   and __ksymtab_strings.

 - Fix `make nsdeps` for out of tree kernel builds (make O=...) caused
   by unescaped '/'.

   Use a different sed delimiter to avoid this problem.

* tag 'modules-for-v5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  scripts/nsdeps: use alternative sed delimiter
  symbol namespaces: revert to previous __ksymtab name scheme
  modpost: make updating the symbol namespace explicit
  modpost: delegate updating namespaces to separate function

9 months agoMerge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Linus Torvalds [Fri, 25 Oct 2019 20:00:47 +0000 (16:00 -0400)]
Merge tag 'armsoc-fixes' of git://git./linux/kernel/git/soc/soc

Pull ARM SoC fixes from Olof Johansson:
 "A slightly larger set of fixes have accrued in the last two weeks.
  Mostly a collection of the usual smaller fixes:

   - Marvell Armada: USB phy setup issues on Turris Mox

   - Broadcom: GPIO/pinmux DT mapping corrections for Stingray, MMC bus
     width fix for RPi Zero W, GPIO LED removal for RPI CM3. Also some
     maintainer updates.

   - OMAP: Fixlets for display config, interrupt settings for wifi, some
     clock/PM pieces. Also IOMMU regression fix and a ti-sysc
     no-watchdog regression fix.

   - i.MX: A few fixes around PM/settings, some devicetree fixlets and
     catching up with config option changes in DRM

   - Rockchip: RockRro64 misc DT fixups, Hugsun X99 USB-C, Kevin display
     panel settings

  ... and some smaller fixes for Davinci (backlight, McBSP DMA),
  Allwinner (phy regulators, PMU removal on A64, etc)"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
  ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157
  MAINTAINERS: Update the Spreadtrum SoC maintainer
  MAINTAINERS: Remove Gregory and Brian for ARCH_BRCMSTB
  ARM: dts: bcm2837-rpi-cm3: Avoid leds-gpio probing issue
  bus: ti-sysc: Fix watchdog quirk handling
  ARM: OMAP2+: Add pdata for OMAP3 ISP IOMMU
  ARM: OMAP2+: Plug in device_enable/idle ops for IOMMUs
  ARM: davinci_all_defconfig: enable GPIO backlight
  ARM: davinci: dm365: Fix McBSP dma_slave_map entry
  ARM: dts: bcm2835-rpi-zero-w: Fix bus-width of sdhci
  ARM: imx_v6_v7_defconfig: Enable CONFIG_DRM_MSM
  arm64: dts: imx8mn: Use correct clock for usdhc's ipg clk
  arm64: dts: imx8mm: Use correct clock for usdhc's ipg clk
  arm64: dts: imx8mq: Use correct clock for usdhc's ipg clk
  ARM: dts: imx7s: Correct GPT's ipg clock source
  ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
  ARM: dts: imx6q-logicpd: Re-Enable SNVS power key
  arm64: dts: lx2160a: Correct CPU core idle state name
  mailmap: Add Simon Arlott (replacement for expired email address)
  arm64: dts: rockchip: Fix override mode for rk3399-kevin panel
  ...

9 months agoMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Fri, 25 Oct 2019 19:52:05 +0000 (15:52 -0400)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Bugfixes for ARM, PPC and x86, plus selftest improvements"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: nVMX: Don't leak L1 MMIO regions to L2
  KVM: SVM: Fix potential wrong physical id in avic_handle_ldr_update
  kvm: clear kvmclock MSR on reset
  KVM: x86: fix bugon.cocci warnings
  KVM: VMX: Remove specialized handling of unexpected exit-reasons
  selftests: kvm: fix sync_regs_test with newer gccs
  selftests: kvm: vmx_dirty_log_test: skip the test when VMX is not supported
  selftests: kvm: consolidate VMX support checks
  selftests: kvm: vmx_set_nested_state_test: don't check for VMX support twice
  KVM: Don't shrink/grow vCPU halt_poll_ns if host side polling is disabled
  selftests: kvm: synchronize .gitignore to Makefile
  kvm: x86: Expose RDPID in KVM_GET_SUPPORTED_CPUID
  KVM: arm64: pmu: Reset sample period on overflow handling
  KVM: arm64: pmu: Set the CHAINED attribute before creating the in-kernel event
  arm64: KVM: Handle PMCR_EL0.LC as RES1 on pure AArch64 systems
  KVM: arm64: pmu: Fix cycle counter truncation
  KVM: PPC: Book3S HV: XIVE: Ensure VP isn't already in use

9 months agoMerge tag 'drm-fixes-2019-10-25' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Fri, 25 Oct 2019 19:41:14 +0000 (15:41 -0400)]
Merge tag 'drm-fixes-2019-10-25' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Quiet week this week, which I suspect means some people just didn't
  get around to sending me fixes pulls in time. This has 2 komeda and a
  bunch of amdgpu fixes in it:

  komeda:
   - typo fixes
   - flushing pipes fix

  amdgpu:
   - Fix suspend/resume issue related to multi-media engines
   - Fix memory leak in user ptr code related to hmm conversion
   - Fix possible VM faults when allocating page table memory
   - Fix error handling in bo list ioctl"

* tag 'drm-fixes-2019-10-25' of git://anongit.freedesktop.org/drm/drm:
  drm/komeda: Fix typos in komeda_splitter_validate
  drm/komeda: Don't flush inactive pipes
  drm/amdgpu/vce: fix allocation size in enc ring test
  drm/amdgpu: fix error handling in amdgpu_bo_list_create
  drm/amdgpu: fix potential VM faults
  drm/amdgpu: user pages array memory leak fix
  drm/amdgpu/vcn: fix allocation size in enc ring test
  drm/amdgpu/uvd7: fix allocation size in enc ring test (v2)
  drm/amdgpu/uvd6: fix allocation size in enc ring test (v2)

9 months agoMerge tag 'mmc-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Linus Torvalds [Fri, 25 Oct 2019 19:25:51 +0000 (15:25 -0400)]
Merge tag 'mmc-v5.4-rc4' of git://git./linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "MMC host fixes:

   - mxs: Fix flags passed to dmaengine_prep_slave_sg

   - cqhci: Add a missing memory barrier

   - sdhci-omap: Fix tuning procedure for temperatures < -20C"

* tag 'mmc-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: mxs: fix flags passed to dmaengine_prep_slave_sg
  mmc: cqhci: Commit descriptors before setting the doorbell
  mmc: sdhci-omap: Fix Tuning procedure for temperatures < -20C

9 months agoARM: dts: stm32: relax qspi pins slew-rate for stm32mp157
Patrice Chotard [Fri, 25 Oct 2019 13:01:22 +0000 (15:01 +0200)]
ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157

Relax qspi pins slew-rate to minimize peak currents.

Fixes: 844030057339 ("ARM: dts: stm32: add flash nor support on stm32mp157c eval board")
Link: https://lore.kernel.org/r/20191025130122.11407-1-alexandre.torgue@st.com
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'drm-fixes-5.4-2019-10-23' of git://people.freedesktop.org/~agd5f/linux...
Dave Airlie [Fri, 25 Oct 2019 04:48:53 +0000 (14:48 +1000)]
Merge tag 'drm-fixes-5.4-2019-10-23' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

drm-fixes-5.4-2019-10-23:

amdgpu:
- Fix suspend/resume issue related to multi-media engines
- Fix memory leak in user ptr code related to hmm conversion
- Fix possible VM faults when allocating page table memory
- Fix error handling in bo list ioctl

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191024031809.3155-1-alexander.deucher@amd.com
9 months agoMerge tag 'drm-misc-fixes-2019-10-23' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Fri, 25 Oct 2019 04:45:12 +0000 (14:45 +1000)]
Merge tag 'drm-misc-fixes-2019-10-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Two fixes for komeda, one for typos and one to prevent an hardware issue
when flushing inactive pipes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191023112643.evpp6f23mpjwdsn4@gilmour
9 months agoMerge tag 'devicetree-fixes-for-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 24 Oct 2019 22:29:40 +0000 (18:29 -0400)]
Merge tag 'devicetree-fixes-for-5.4-2' of git://git./linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:
 "A couple more DT fixes for 5.4: fix a ref count, memory leak, and
  Risc-V cpu schema warnings"

* tag 'devicetree-fixes-for-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: reserved_mem: add missing of_node_put() for proper ref-counting
  of: unittest: fix memory leak in unittest_data_add
  dt-bindings: riscv: Fix CPU schema errors

9 months agoMerge tag 'acpi-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
Linus Torvalds [Thu, 24 Oct 2019 19:49:32 +0000 (15:49 -0400)]
Merge tag 'acpi-5.4-rc5' of git://git./linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix locking issue in the error code path of a function that belongs to
  the sysfs interface exposed by the ACPI NFIT handling code (Dan
  Carpenter)"

* tag 'acpi-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: NFIT: Fix unlock on error in scrub_show()

9 months agoMerge tag 'pm-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Linus Torvalds [Thu, 24 Oct 2019 19:36:11 +0000 (15:36 -0400)]
Merge tag 'pm-5.4-rc5' of git://git./linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix problems related to frequency limits management in cpufreq
  that were introduced during the 5.3 cycle (when PM QoS had started to
  be used for that), fix a few issues in the OPP (operating performance
  points) library code and fix up the recently added haltpoll cpuidle
  driver.

  The cpufreq changes are somewhat bigger that I would like them to be
  at this stage of the cycle, but the problems fixed by them include
  crashes on boot and shutdown in some cases (among other things) and in
  my view it is better to address the root of the issue right away.

  Specifics:

   - Using device PM QoS of CPU devices for managing frequency limits in
     cpufreq does not work, so introduce frequency QoS (based on the
     original low-level PM QoS) for this purpose, switch cpufreq and
     related code over to using it and fix a race involving deferred
     updates of frequency limits on top of that (Rafael Wysocki, Sudeep
     Holla).

   - Avoid calling regulator_enable()/disable() from the OPP framework
     to avoid side-effects on boot-enabled regulators that may change
     their initial voltage due to performing initial voltage balancing
     without all restrictions from the consumers (Marek Szyprowski).

   - Avoid a kref management issue in the OPP library code and drop an
     incorrectly added lockdep_assert_held() from it (Viresh Kumar).

   - Make the recently added haltpoll cpuidle driver take the 'idle='
     override into account as appropriate (Zhenzhong Duan)"

* tag 'pm-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  opp: Reinitialize the list_kref before adding the static OPPs again
  cpufreq: Cancel policy update work scheduled before freeing
  cpuidle: haltpoll: Take 'idle=' override into account
  opp: core: Revert "add regulators enable and disable"
  PM: QoS: Drop frequency QoS types from device PM QoS
  cpufreq: Use per-policy frequency QoS
  PM: QoS: Introduce frequency QoS
  opp: of: drop incorrect lockdep_assert_held()

9 months agoMerge tag 'gfs2-v5.4-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 24 Oct 2019 19:31:55 +0000 (15:31 -0400)]
Merge tag 'gfs2-v5.4-rc4.fixes' of git://git./linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 fix from Andreas Gruenbacher:
 "Fix a memory leak introduced in -rc1"

* tag 'gfs2-v5.4-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Fix memory leak when gfs2meta's fs_context is freed

9 months agogfs2: Fix memory leak when gfs2meta's fs_context is freed
Andrew Price [Fri, 4 Oct 2019 16:51:58 +0000 (11:51 -0500)]
gfs2: Fix memory leak when gfs2meta's fs_context is freed

gfs2 and gfs2meta share an ->init_fs_context function which allocates an
args structure stored in fc->fs_private. gfs2 registers a ->free
function to free this memory when the fs_context is cleaned up, but
there was not one registered for gfs2meta, causing a leak.

Register a ->free function for gfs2meta. The existing gfs2_fc_free
function does what we need.

Reported-by: syzbot+c2fdfd2b783754878fb6@syzkaller.appspotmail.com
Fixes: 1f52aa08d12f ("gfs2: Convert gfs2 to fs_context")
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
9 months agoMerge branches 'pm-cpuidle' and 'pm-opp'
Rafael J. Wysocki [Thu, 24 Oct 2019 14:00:43 +0000 (16:00 +0200)]
Merge branches 'pm-cpuidle' and 'pm-opp'

* pm-cpuidle:
  cpuidle: haltpoll: Take 'idle=' override into account

* pm-opp:
  opp: Reinitialize the list_kref before adding the static OPPs again
  opp: core: Revert "add regulators enable and disable"
  opp: of: drop incorrect lockdep_assert_held()

9 months agoMerge tag 'mfd-fixes-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Linus Torvalds [Thu, 24 Oct 2019 10:13:45 +0000 (06:13 -0400)]
Merge tag 'mfd-fixes-5.4' of git://git./linux/kernel/git/lee/mfd

Pull MFD fix from Lee Jones:
 "Fix broken support for BananaPi-r2"

* tag 'mfd-fixes-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: mt6397: Fix probe after changing mt6397-core

9 months agoMerge tag 'sound-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Thu, 24 Oct 2019 10:09:42 +0000 (06:09 -0400)]
Merge tag 'sound-5.4-rc5' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This is a usual small bump in the middle, we've got a set of ASoC
  fixes in this week as shown in diffstat.

  The only change in the core stuff is about (somewhat minor) PCM
  debugfs error handling. The major changes are rather for Intel SOF and
  topology coverage, as well as other platform (rockchip, samsung, stm)
  and codec fixes.

  As non-ASoC changes, a couple of new HD-audio chip fixes and a typo
  correction of USB-audio driver validation code are found"

* tag 'sound-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (29 commits)
  ALSA: hda: Add Tigerlake/Jasperlake PCI ID
  ALSA: usb-audio: Fix copy&paste error in the validator
  ALSA: hda/realtek - Add support for ALC711
  ASoC: SOF: control: return true when kcontrol values change
  ASoC: stm32: sai: fix sysclk management on shutdown
  ASoC: Intel: sof-rt5682: add a check for devm_clk_get
  ASoC: rsnd: Reinitialize bit clock inversion flag for every format setting
  ASoC: simple_card_utils.h: Fix potential multiple redefinition error
  ASoC: msm8916-wcd-digital: add missing MIX2 path for RX1/2
  ASoC: core: Fix pcm code debugfs error
  ASoc: rockchip: i2s: Fix RPM imbalance
  ASoC: wm_adsp: Don't generate kcontrols without READ flags
  ASoC: intel: bytcr_rt5651: add null check to support_button_press
  ASoC: intel: sof_rt5682: add remove function to disable jack
  ASoC: rt5682: add NULL handler to set_jack function
  ASoC: intel: sof_rt5682: use separate route map for dmic
  ASoC: SOF: Intel: hda: Disable DMI L1 entry during capture
  ASoC: SOF: Intel: initialise and verify FW crash dump data.
  ASoC: SOF: Intel: hda: fix warnings during FW load
  ASoC: SOF: pcm: harden PCM STOP sequence
  ...

9 months agomfd: mt6397: Fix probe after changing mt6397-core
Frank Wunderlich [Thu, 3 Oct 2019 18:53:23 +0000 (20:53 +0200)]
mfd: mt6397: Fix probe after changing mt6397-core

Part 3 from this series [1] was not merged due to wrong splitting
and breaks mt6323 pmic on bananapi-r2

dmesg prints this line and at least switch is not initialized on bananapi-r2

mt6397 1000d000.pwrap:mt6323: unsupported chip: 0x0

this patch contains only the probe-changes and chip_data structs
from original part 3 by Hsin-Hsiung Wang

[1] https://patchwork.kernel.org/project/linux-mediatek/list/?series=164155

Fixes: a4872e80ce7d ("mfd: mt6397: Extract IRQ related code from core driver")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
9 months agoMerge tag 'arm-soc/for-5.5/maintainers' of https://github.com/Broadcom/stblinux into...
Olof Johansson [Thu, 24 Oct 2019 03:01:24 +0000 (20:01 -0700)]
Merge tag 'arm-soc/for-5.5/maintainers' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains MAINTAINERS file updates for Broadcom SoCs
for the 5.5 kernel, please pull the following:

- Simon adds a .mailmap alias for his old email

- Stefan updates the existing BCM2835 with BCM2711 which is the chip
  name for the Raspberry Pi 4

- Florian removes Gregory and Brian from the MAINTAINERS file for
  BRCMSTB SoCs

* tag 'arm-soc/for-5.5/maintainers' of https://github.com/Broadcom/stblinux:
  MAINTAINERS: Remove Gregory and Brian for ARCH_BRCMSTB
  mailmap: Add Simon Arlott (replacement for expired email address)
  MAINTAINERS: Add BCM2711 to BCM2835 ARCH

Link: https://lore.kernel.org/r/20191023212814.30622-3-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMAINTAINERS: Update the Spreadtrum SoC maintainer
Baolin Wang [Thu, 24 Oct 2019 02:05:10 +0000 (10:05 +0800)]
MAINTAINERS: Update the Spreadtrum SoC maintainer

Change my email address, and add more Spreadtrum SC27xx series PMIC
drivers to maintain.

Link: https://lore.kernel.org/r/a48483d13243450ecf3b777d49e741b6367f2c6b.1571881956.git.baolin.wang@linaro.org
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoof: reserved_mem: add missing of_node_put() for proper ref-counting
Chris Goldsworthy [Sun, 20 Oct 2019 01:57:24 +0000 (18:57 -0700)]
of: reserved_mem: add missing of_node_put() for proper ref-counting

Commit d698a388146c ("of: reserved-memory: ignore disabled memory-region
nodes") added an early return in of_reserved_mem_device_init_by_idx(), but
didn't call of_node_put() on a device_node whose ref-count was incremented
in the call to of_parse_phandle() preceding the early exit.

Fixes: d698a388146c ("of: reserved-memory: ignore disabled memory-region nodes")
Signed-off-by: Chris Goldsworthy <cgoldswo@codeaurora.org>
Cc: stable@vger.kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
9 months agoMerge tag 'trace-v5.4-rc3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
Linus Torvalds [Wed, 23 Oct 2019 19:43:51 +0000 (15:43 -0400)]
Merge tag 'trace-v5.4-rc3-3' of git://git./linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Two minor fixes:

   - A race in perf trace initialization (missing mutexes)

   - Minor fix to represent gfp_t in synthetic events as properly
     signed"

* tag 'trace-v5.4-rc3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Fix race in perf_trace_buf initialization
  tracing: Fix "gfp_t" format for synthetic events

9 months agoof: unittest: fix memory leak in unittest_data_add
Navid Emamdoost [Fri, 4 Oct 2019 18:58:43 +0000 (13:58 -0500)]
of: unittest: fix memory leak in unittest_data_add

In unittest_data_add, a copy buffer is created via kmemdup. This buffer
is leaked if of_fdt_unflatten_tree fails. The release for the
unittest_data buffer is added.

Fixes: b951f9dc7f25 ("Enabling OF selftest to run without machine's devicetree")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
9 months agodt-bindings: riscv: Fix CPU schema errors
Rob Herring [Tue, 24 Sep 2019 19:37:56 +0000 (14:37 -0500)]
dt-bindings: riscv: Fix CPU schema errors

Fix the errors in the RiscV CPU DT schema:

Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: 'timebase-frequency' is a required property
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@1: 'timebase-frequency' is a required property
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: compatible:0: 'riscv' is not one of ['sifive,rocket0', 'sifive,e5', 'sifive,e51', 'sifive,u54-mc', 'sifive,u54', 'sifive,u5']
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: compatible: ['riscv'] is too short
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: 'timebase-frequency' is a required property

The DT spec allows for 'timebase-frequency' to be in 'cpu' or 'cpus' node
and RiscV requires it in /cpus node, so make it disallowed in cpu
nodes.

Fixes: 4fd669a8c487 ("dt-bindings: riscv: convert cpu binding to json-schema")
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: linux-riscv@lists.infradead.org
Acked-by: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Rob Herring <robh@kernel.org>
9 months agoMerge tag 'vfio-v5.4-rc5' of git://github.com/awilliam/linux-vfio
Linus Torvalds [Wed, 23 Oct 2019 19:39:02 +0000 (15:39 -0400)]
Merge tag 'vfio-v5.4-rc5' of git://github.com/awilliam/linux-vfio

Pull VFIO fixlet from Alex Williamson:
 "Fix (false) uninitialized variable warning (Joerg Roedel)"

* tag 'vfio-v5.4-rc5' of git://github.com/awilliam/linux-vfio:
  vfio/type1: Initialize resv_msi_base

9 months agoMerge tag 'regulator-fix-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 23 Oct 2019 19:31:17 +0000 (15:31 -0400)]
Merge tag 'regulator-fix-v5.4-rc4' of git://git./linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "There are a few core fixes here around error handling and handling if
  suspend mode configuration and some driver specific fixes here but the
  most important change is the fix to the fixed-regulator DT schema
  conversion introduced during the last merge window.

  That fixes one of the last two errors preventing successful execution
  of "make dt_binding_check" which will be enormously helpful for DT
  schema development"

* tag 'regulator-fix-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: qcom-rpmh: Fix PMIC5 BoB min voltage
  regulator: pfuze100-regulator: Variable "val" in pfuze100_regulator_probe() could be uninitialized
  regulator: lochnagar: Add on_off_delay for VDDCORE
  regulator: ti-abb: Fix timeout in ti_abb_wait_txdone/ti_abb_clear_all_txdone
  regulator: da9062: fix suspend_enable/disable preparation
  dt-bindings: fixed-regulator: fix compatible enum
  regulator: fixed: Prevent NULL pointer dereference when !CONFIG_OF
  regulator: core: make regulator_register() EPROBE_DEFER aware
  regulator: of: fix suspend-min/max-voltage parsing

9 months agoMAINTAINERS: Remove Gregory and Brian for ARCH_BRCMSTB
Florian Fainelli [Fri, 18 Oct 2019 17:18:35 +0000 (10:18 -0700)]
MAINTAINERS: Remove Gregory and Brian for ARCH_BRCMSTB

The last time Gregory and Brian did a review was sometime around 2015,
since then, they have not been active for ARCH_BRCMSTB changes.
Following the position of other maintainers and Harald Welte's position
here:

[1] http://laforge.gnumonks.org/blog/20180307-mchardy-gpl/

remove both of them.

Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
9 months agoMerge tag 'omap-for-v5.4/fixes-rc4-signed' of git://git.kernel.org/pub/scm/linux...
Olof Johansson [Wed, 23 Oct 2019 17:08:11 +0000 (10:08 -0700)]
Merge tag 'omap-for-v5.4/fixes-rc4-signed' of git://git./linux/kernel/git/tmlind/linux-omap into arm/fixes

Three fixes for omaps for v5.4-rc cycle

Two regression fixes for omap3 iommu. I missed applying two omap3
related iommu pdata quirks patches earlier because the kbuild test
robot produced errors on them for missing dependencies.

Fix ti-sysc interconnect target module driver handling for watchdog
quirk. I must have tested this earlier only with watchdog service
running, but clearly it does not do what it needs to do.

* tag 'omap-for-v5.4/fixes-rc4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  bus: ti-sysc: Fix watchdog quirk handling
  ARM: OMAP2+: Add pdata for OMAP3 ISP IOMMU
  ARM: OMAP2+: Plug in device_enable/idle ops for IOMMUs

Link: https://lore.kernel.org/r/pull-1571848757-282222@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'sunxi-fixes-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Wed, 23 Oct 2019 15:34:08 +0000 (08:34 -0700)]
Merge tag 'sunxi-fixes-for-5.4-1' of https://git./linux/kernel/git/sunxi/linux into arm/fixes

A number of fixes for this release, but mostly:
  - A fixup for the A10 CSI DT binding merged during the 5.4-rc1 window
  - A fix for a dt-binding error
  - Addition of phy regulator delays
  - The PMU on the A64 was found to be non-functional, so we've dropped it for now

* tag 'sunxi-fixes-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  ARM: dts: sun7i: Drop the module clock from the device tree
  dt-bindings: media: sun4i-csi: Drop the module clock
  media: dt-bindings: Fix building error for dt_binding_check
  arm64: dts: allwinner: a64: sopine-baseboard: Add PHY regulator delay
  arm64: dts: allwinner: a64: Drop PMU node
  arm64: dts: allwinner: a64: pine64-plus: Add PHY regulator delay

Link: https://lore.kernel.org/r/80085a57-c40f-4bed-a9c3-19858d87564e.lettre@localhost
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Linus Torvalds [Wed, 23 Oct 2019 10:26:33 +0000 (06:26 -0400)]
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

:Pull ARM fixes from Russell King:

 - fix for alignment faults under high memory pressure

 - use u32 for ARM instructions in fault handler

 - mark functions that must always be inlined with __always_inline

 - fix for nommu XIP

 - fix ARMv7M switch to handler mode in reboot path

 - fix the recently introduced AMBA reset control error paths

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8926/1: v7m: remove register save to stack before svc
  ARM: 8914/1: NOMMU: Fix exc_ret for XIP
  ARM: 8908/1: add __always_inline to functions called from __get_user_check()
  ARM: mm: alignment: use "u32" for 32-bit instructions
  ARM: mm: fix alignment handler faults under memory pressure
  drivers/amba: fix reset control error handling

9 months agoMerge tag 'edac_urgent_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 23 Oct 2019 10:19:07 +0000 (06:19 -0400)]
Merge tag 'edac_urgent_for_5.4' of git://git./linux/kernel/git/ras/ras

Pull EDAC fix from Borislav Petkov:
 "Fix ghes_edac UAF case triggered by KASAN and DEBUG_TEST_DRIVER_REMOVE.

  Future pending rework of the ghes_edac instances registration will do
  away with the single memory controller per system model and that ugly
  hackery there.

  This is a minimal fix for stable@, courtesy of James Morse"

* tag 'edac_urgent_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/ghes: Fix Use after free in ghes_edac remove path

9 months agoMerge tag 'for-5.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
Linus Torvalds [Wed, 23 Oct 2019 10:14:29 +0000 (06:14 -0400)]
Merge tag 'for-5.4-rc4-tag' of git://git./linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:

 - fixes of error handling cleanup of metadata accounting with qgroups
   enabled

 - fix swapped values for qgroup tracepoints

 - fix race when handling full sync flag

 - don't start unused worker thread, functionality removed already

* tag 'for-5.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Btrfs: check for the full sync flag while holding the inode lock during fsync
  Btrfs: fix qgroup double free after failure to reserve metadata for delalloc
  btrfs: tracepoints: Fix bad entry members of qgroup events
  btrfs: tracepoints: Fix wrong parameter order for qgroup events
  btrfs: qgroup: Always free PREALLOC META reserve in btrfs_delalloc_release_extents()
  btrfs: don't needlessly create extent-refs kernel thread
  btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group()
  Btrfs: add missing extents release on file extent cluster relocation error

9 months agoscripts/nsdeps: use alternative sed delimiter
Jessica Yu [Mon, 21 Oct 2019 13:34:26 +0000 (15:34 +0200)]
scripts/nsdeps: use alternative sed delimiter

When doing an out of tree build with O=, the nsdeps script constructs
the absolute pathname of the module source file so that it can insert
MODULE_IMPORT_NS statements in the right place. However, ${srctree}
contains an unescaped path to the source tree, which, when used in a sed
substitution, makes sed complain:

++ sed 's/[^ ]* *//home/jeyu/jeyu-linux\/&/g'
sed: -e expression #1, char 12: unknown option to `s'

The sed substitution command 's' ends prematurely with the forward
slashes in the pathname, and sed errors out when it encounters the 'h',
which is an invalid sed substitution option. To avoid escaping forward
slashes ${srctree}, we can use '|' as an alternative delimiter for
sed instead to avoid this error.

Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Matthias Maennich <maennich@google.com>
Tested-by: Matthias Maennich <maennich@google.com>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
9 months agoMerge branch 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Rafael J. Wysocki [Wed, 23 Oct 2019 08:26:25 +0000 (10:26 +0200)]
Merge branch 'opp/fixes' of git://git./linux/kernel/git/vireshk/pm

Pull operating performance points (OPP) framework fixes for v5.4
from Viresh Kumar:

"This contains:

- Patch to revert addition of regulator enable/disable in OPP core
  (Marek).
- Remove incorrect lockdep assert (Viresh).
- Fix a kref counting issue (Viresh)."

* 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  opp: Reinitialize the list_kref before adding the static OPPs again
  opp: core: Revert "add regulators enable and disable"
  opp: of: drop incorrect lockdep_assert_held()

9 months agoopp: Reinitialize the list_kref before adding the static OPPs again
Viresh Kumar [Fri, 18 Oct 2019 08:41:58 +0000 (14:11 +0530)]
opp: Reinitialize the list_kref before adding the static OPPs again

The list_kref reaches a count of 0 when all the static OPPs are removed,
for example when dev_pm_opp_of_cpumask_remove_table() is called, though
the actual OPP table may not get freed as it may still be referenced by
other parts of the kernel, like from a call to
dev_pm_opp_set_supported_hw(). And if we call
dev_pm_opp_of_cpumask_add_table() again at this point, we must
reinitialize the list_kref otherwise the kernel will hit a WARN() in
kref infrastructure for incrementing a kref with value 0.

Fixes: 11e1a1648298 ("opp: Don't decrement uninitialized list_kref")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
9 months agoALSA: hda: Add Tigerlake/Jasperlake PCI ID
Pan Xiuli [Tue, 22 Oct 2019 19:44:02 +0000 (14:44 -0500)]
ALSA: hda: Add Tigerlake/Jasperlake PCI ID

Add HD Audio Device PCI ID for the Intel Tigerlake and Jasperlake
platform.

Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191022194402.23178-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
9 months agoKVM: nVMX: Don't leak L1 MMIO regions to L2
Jim Mattson [Tue, 15 Oct 2019 17:44:05 +0000 (10:44 -0700)]
KVM: nVMX: Don't leak L1 MMIO regions to L2

If the "virtualize APIC accesses" VM-execution control is set in the
VMCS, the APIC virtualization hardware is triggered when a page walk
in VMX non-root mode terminates at a PTE wherein the address of the 4k
page frame matches the APIC-access address specified in the VMCS. On
hardware, the APIC-access address may be any valid 4k-aligned physical
address.

KVM's nVMX implementation enforces the additional constraint that the
APIC-access address specified in the vmcs12 must be backed by
a "struct page" in L1. If not, L0 will simply clear the "virtualize
APIC accesses" VM-execution control in the vmcs02.

The problem with this approach is that the L1 guest has arranged the
vmcs12 EPT tables--or shadow page tables, if the "enable EPT"
VM-execution control is clear in the vmcs12--so that the L2 guest
physical address(es)--or L2 guest linear address(es)--that reference
the L2 APIC map to the APIC-access address specified in the
vmcs12. Without the "virtualize APIC accesses" VM-execution control in
the vmcs02, the APIC accesses in the L2 guest will directly access the
APIC-access page in L1.

When there is no mapping whatsoever for the APIC-access address in L1,
the L2 VM just loses the intended APIC virtualization. However, when
the APIC-access address is mapped to an MMIO region in L1, the L2
guest gets direct access to the L1 MMIO device. For example, if the
APIC-access address specified in the vmcs12 is 0xfee00000, then L2
gets direct access to L1's APIC.

Since this vmcs12 configuration is something that KVM cannot
faithfully emulate, the appropriate response is to exit to userspace
with KVM_INTERNAL_ERROR_EMULATION.

Fixes: fe3ef05c7572 ("KVM: nVMX: Prepare vmcs02 from vmcs01 and vmcs12")
Reported-by: Dan Cross <dcross@google.com>
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoKVM: SVM: Fix potential wrong physical id in avic_handle_ldr_update
Miaohe Lin [Fri, 18 Oct 2019 02:50:31 +0000 (10:50 +0800)]
KVM: SVM: Fix potential wrong physical id in avic_handle_ldr_update

Guest physical APIC ID may not equal to vcpu->vcpu_id in some case.
We may set the wrong physical id in avic_handle_ldr_update as we
always use vcpu->vcpu_id. Get physical APIC ID from vAPIC page
instead.
Export and use kvm_xapic_id here and in avic_handle_apic_id_update
as suggested by Vitaly.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoMerge branch 'misc' into fixes
Russell King [Tue, 22 Oct 2019 16:37:29 +0000 (17:37 +0100)]
Merge branch 'misc' into fixes

9 months agocpufreq: Cancel policy update work scheduled before freeing
Sudeep Holla [Fri, 18 Oct 2019 10:58:15 +0000 (11:58 +0100)]
cpufreq: Cancel policy update work scheduled before freeing

Scheduled policy update work may end up racing with the freeing of the
policy and unregistering the driver.

One possible race is as below, where the cpufreq_driver is unregistered,
but the scheduled work gets executed at later stage when, cpufreq_driver
is NULL (i.e. after freeing the policy and driver).

Unable to handle kernel NULL pointer dereference at virtual address 0000001c
pgd = (ptrval)
[0000001c] *pgd=80000080204003, *pmd=00000000
Internal error: Oops: 206 [#1] SMP THUMB2
Modules linked in:
CPU: 0 PID: 34 Comm: kworker/0:1 Not tainted 5.4.0-rc3-00006-g67f5a8081a4b #86
Hardware name: ARM-Versatile Express
Workqueue: events handle_update
PC is at cpufreq_set_policy+0x58/0x228
LR is at dev_pm_qos_read_value+0x77/0xac
Control: 70c5387d  Table: 80203000  DAC: fffffffd
Process kworker/0:1 (pid: 34, stack limit = 0x(ptrval))
(cpufreq_set_policy) from (refresh_frequency_limits.part.24+0x37/0x48)
(refresh_frequency_limits.part.24) from (handle_update+0x2f/0x38)
(handle_update) from (process_one_work+0x16d/0x3cc)
(process_one_work) from (worker_thread+0xff/0x414)
(worker_thread) from (kthread+0xff/0x100)
(kthread) from (ret_from_fork+0x11/0x28)

Fixes: 67d874c3b2c6 ("cpufreq: Register notifiers with the PM QoS framework")
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
[ rjw: Cancel the work before dropping the QoS requests ]
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
9 months agoALSA: usb-audio: Fix copy&paste error in the validator
Takashi Iwai [Tue, 22 Oct 2019 15:45:14 +0000 (17:45 +0200)]
ALSA: usb-audio: Fix copy&paste error in the validator

The recently introduced USB-audio descriptor validator had a stupid
copy&paste error that may lead to an unexpected overlook of too short
descriptors for processing and extension units.  It's likely the cause
of the report triggered by syzkaller fuzzer.  Let's fix it.

Fixes: 57f8770620e9 ("ALSA: usb-audio: More validations of descriptor units")
Reported-by: syzbot+0620f79a1978b1133fd7@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/s5hsgnkdbsl.wl-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
9 months agoMerge tag 'kvm-ppc-fixes-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Paolo Bonzini [Tue, 22 Oct 2019 11:31:35 +0000 (13:31 +0200)]
Merge tag 'kvm-ppc-fixes-5.4-1' of git://git./linux/kernel/git/paulus/powerpc into HEAD

PPC KVM fix for 5.4

- Fix a bug in the XIVE code which can cause a host crash.

9 months agoMerge tag 'kvmarm-fixes-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmar...
Paolo Bonzini [Tue, 22 Oct 2019 11:31:29 +0000 (13:31 +0200)]
Merge tag 'kvmarm-fixes-5.4-2' of git://git./linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm fixes for 5.4, take #2

Special PMU edition:

- Fix cycle counter truncation
- Fix cycle counter overflow limit on pure 64bit system
- Allow chained events to be actually functional
- Correct sample period after overflow

9 months agokvm: clear kvmclock MSR on reset
Paolo Bonzini [Thu, 10 Oct 2019 10:49:22 +0000 (12:49 +0200)]
kvm: clear kvmclock MSR on reset

After resetting the vCPU, the kvmclock MSR keeps the previous value but it is
not enabled.  This can be confusing, so fix it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoKVM: x86: fix bugon.cocci warnings
kbuild test robot [Sun, 29 Sep 2019 16:43:28 +0000 (18:43 +0200)]
KVM: x86: fix bugon.cocci warnings

Use BUG_ON instead of a if condition followed by BUG.

Generated by: scripts/coccinelle/misc/bugon.cocci

Fixes: 4b526de50e39 ("KVM: x86: Check kvm_rebooting in kvm_spurious_fault()")
CC: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoKVM: VMX: Remove specialized handling of unexpected exit-reasons
Liran Alon [Sun, 29 Sep 2019 14:50:18 +0000 (17:50 +0300)]
KVM: VMX: Remove specialized handling of unexpected exit-reasons

Commit bf653b78f960 ("KVM: vmx: Introduce handle_unexpected_vmexit
and handle WAITPKG vmexit") introduced specialized handling of
specific exit-reasons that should not be raised by CPU because
KVM configures VMCS such that they should never be raised.

However, since commit 7396d337cfad ("KVM: x86: Return to userspace
with internal error on unexpected exit reason"), VMX & SVM
exit handlers were modified to generically handle all unexpected
exit-reasons by returning to userspace with internal error.

Therefore, there is no need for specialized handling of specific
unexpected exit-reasons (This specialized handling also introduced
inconsistency for these exit-reasons to silently skip guest instruction
instead of return to userspace on internal-error).

Fixes: bf653b78f960 ("KVM: vmx: Introduce handle_unexpected_vmexit and handle WAITPKG vmexit")
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoselftests: kvm: fix sync_regs_test with newer gccs
Vitaly Kuznetsov [Tue, 8 Oct 2019 18:08:08 +0000 (20:08 +0200)]
selftests: kvm: fix sync_regs_test with newer gccs

Commit 204c91eff798a ("KVM: selftests: do not blindly clobber registers in
 guest asm") was intended to make test more gcc-proof, however, the result
is exactly the opposite: on newer gccs (e.g. 8.2.1) the test breaks with

==== Test Assertion Failure ====
  x86_64/sync_regs_test.c:168: run->s.regs.regs.rbx == 0xBAD1DEA + 1
  pid=14170 tid=14170 - Invalid argument
     1 0x00000000004015b3: main at sync_regs_test.c:166 (discriminator 6)
     2 0x00007f413fb66412: ?? ??:0
     3 0x000000000040191d: _start at ??:?
  rbx sync regs value incorrect 0x1.

Apparently, compile is still free to play games with registers even
when they have variables attached.

Re-write guest code with 'asm volatile' by embedding ucall there and
making sure rbx is preserved.

Fixes: 204c91eff798a ("KVM: selftests: do not blindly clobber registers in guest asm")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoselftests: kvm: vmx_dirty_log_test: skip the test when VMX is not supported
Vitaly Kuznetsov [Tue, 8 Oct 2019 19:43:38 +0000 (21:43 +0200)]
selftests: kvm: vmx_dirty_log_test: skip the test when VMX is not supported

vmx_dirty_log_test fails on AMD and this is no surprise as it is VMX
specific. Bail early when nested VMX is unsupported.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoselftests: kvm: consolidate VMX support checks
Vitaly Kuznetsov [Tue, 8 Oct 2019 19:43:37 +0000 (21:43 +0200)]
selftests: kvm: consolidate VMX support checks

vmx_* tests require VMX and three of them implement the same check. Move it
to vmx library.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoselftests: kvm: vmx_set_nested_state_test: don't check for VMX support twice
Vitaly Kuznetsov [Tue, 8 Oct 2019 19:43:36 +0000 (21:43 +0200)]
selftests: kvm: vmx_set_nested_state_test: don't check for VMX support twice

vmx_set_nested_state_test() checks if VMX is supported twice: in the very
beginning (and skips the whole test if it's not) and before doing
test_vmx_nested_state(). One should be enough.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoKVM: Don't shrink/grow vCPU halt_poll_ns if host side polling is disabled
Wanpeng Li [Sun, 29 Sep 2019 01:06:56 +0000 (09:06 +0800)]
KVM: Don't shrink/grow vCPU halt_poll_ns if host side polling is disabled

Don't waste cycles to shrink/grow vCPU halt_poll_ns if host
side polling is disabled.

Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoselftests: kvm: synchronize .gitignore to Makefile
Vitaly Kuznetsov [Mon, 7 Oct 2019 13:26:56 +0000 (15:26 +0200)]
selftests: kvm: synchronize .gitignore to Makefile

Because "Untracked files:" are annoying.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agokvm: x86: Expose RDPID in KVM_GET_SUPPORTED_CPUID
Jim Mattson [Fri, 4 Oct 2019 20:22:47 +0000 (13:22 -0700)]
kvm: x86: Expose RDPID in KVM_GET_SUPPORTED_CPUID

When the RDPID instruction is supported on the host, enumerate it in
KVM_GET_SUPPORTED_CPUID.

Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
9 months agoMerge tag 'pinctrl-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Tue, 22 Oct 2019 10:40:07 +0000 (06:40 -0400)]
Merge tag 'pinctrl-v5.4-2' of git://git./linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Here is a bunch of pin control fixes. I was lagging behind on this
  one, some fixes should have come in earlier, sorry about that.

  Anyways here it is, pretty straight-forward fixes, the Strago fix
  stand out as something serious affecting a lot of machines.

  Summary:
   - Handle multiple instances of Intel chips without complaining.
   - Restore the Intel Strago DMI workaround
   - Make the Armada 37xx handle pins over 32
   - Fix the polarity of the LED group on Armada 37xx
   - Fix an off-by-one bug in the NS2 driver
   - Fix error path for iproc's platform_get_irq()
   - Fix error path on the STMFX driver
   - Fix a typo in the Berlin AS370 driver
   - Fix up misc errors in the Aspeed 2600 BMC support
   - Fix a stray SPDX tag"

* tag 'pinctrl-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: aspeed-g6: Rename SD3 to EMMC and rework pin groups
  pinctrl: aspeed-g6: Fix UART13 group pinmux
  pinctrl: aspeed-g6: Make SIG_DESC_CLEAR() behave intuitively
  pinctrl: aspeed-g6: Fix I3C3/I3C4 pinmux configuration
  pinctrl: aspeed-g6: Fix I2C14 SDA description
  pinctrl: aspeed-g6: Sort pins for sanity
  dt-bindings: pinctrl: aspeed-g6: Rework SD3 function and groups
  pinctrl: berlin: as370: fix a typo s/spififib/spdifib
  pinctrl: armada-37xx: swap polarity on LED group
  pinctrl: stmfx: fix null pointer on remove
  pinctrl: iproc: allow for error from platform_get_irq()
  pinctrl: ns2: Fix off by one bugs in ns2_pinmux_enable()
  pinctrl: bcm-iproc: Use SPDX header
  pinctrl: armada-37xx: fix control of pins 32 and up
  pinctrl: cherryview: restore Strago DMI workaround for all versions
  pinctrl: intel: Allocate IRQ chip dynamic

9 months agocpuidle: haltpoll: Take 'idle=' override into account
Zhenzhong Duan [Fri, 18 Oct 2019 00:49:29 +0000 (08:49 +0800)]
cpuidle: haltpoll: Take 'idle=' override into account

Currenly haltpoll isn't aware of the 'idle=' override, the priority is
'idle=poll' > haltpoll > 'idle=halt'. When 'idle=poll' is used, cpuidle
driver is bypassed but current_driver in sys still shows 'haltpoll'.

When 'idle=halt' is used, haltpoll takes precedence and makes
'idle=halt' have no effect.

Add a check to prevent the haltpoll driver from loading if 'idle=' is
present.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Co-developed-by: Joao Martins <joao.m.martins@oracle.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
9 months agoACPI: NFIT: Fix unlock on error in scrub_show()
Dan Carpenter [Fri, 18 Oct 2019 12:35:34 +0000 (15:35 +0300)]
ACPI: NFIT: Fix unlock on error in scrub_show()

We change the locking in this function and forgot to update this error
path so we are accidentally still holding the "dev->lockdep_mutex".

Fixes: 87a30e1f05d7 ("driver-core, libnvdimm: Let device subsystems add local lockdep coverage")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Cc: 5.3+ <stable@vger.kernel.org> # 5.3+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
9 months agotracing: Fix race in perf_trace_buf initialization
Prateek Sood [Tue, 15 Oct 2019 06:17:25 +0000 (11:47 +0530)]
tracing: Fix race in perf_trace_buf initialization

A race condition exists while initialiazing perf_trace_buf from
perf_trace_init() and perf_kprobe_init().

      CPU0                                        CPU1
perf_trace_init()
  mutex_lock(&event_mutex)
    perf_trace_event_init()
      perf_trace_event_reg()
        total_ref_count == 0
buf = alloc_percpu()
        perf_trace_buf[i] = buf
        tp_event->class->reg() //fails       perf_kprobe_init()
goto fail                              perf_trace_event_init()
                                                 perf_trace_event_reg()
        fail:
  total_ref_count == 0

                                                   total_ref_count == 0
                                                   buf = alloc_percpu()
                                                   perf_trace_buf[i] = buf
                                                   tp_event->class->reg()
                                                   total_ref_count++

          free_percpu(perf_trace_buf[i])
          perf_trace_buf[i] = NULL

Any subsequent call to perf_trace_event_reg() will observe total_ref_count > 0,
causing the perf_trace_buf to be always NULL. This can result in perf_trace_buf
getting accessed from perf_trace_buf_alloc() without being initialized. Acquiring
event_mutex in perf_kprobe_init() before calling perf_trace_event_init() should
fix this race.

The race caused the following bug:

 Unable to handle kernel paging request at virtual address 0000003106f2003c
 Mem abort info:
   ESR = 0x96000045
   Exception class = DABT (current EL), IL = 32 bits
   SET = 0, FnV = 0
   EA = 0, S1PTW = 0
 Data abort info:
   ISV = 0, ISS = 0x00000045
   CM = 0, WnR = 1
 user pgtable: 4k pages, 39-bit VAs, pgdp = ffffffc034b9b000
 [0000003106f2003c] pgd=0000000000000000, pud=0000000000000000
 Internal error: Oops: 96000045 [#1] PREEMPT SMP
 Process syz-executor (pid: 18393, stack limit = 0xffffffc093190000)
 pstate: 80400005 (Nzcv daif +PAN -UAO)
 pc : __memset+0x20/0x1ac
 lr : memset+0x3c/0x50
 sp : ffffffc09319fc50

  __memset+0x20/0x1ac
  perf_trace_buf_alloc+0x140/0x1a0
  perf_trace_sys_enter+0x158/0x310
  syscall_trace_enter+0x348/0x7c0
  el0_svc_common+0x11c/0x368
  el0_svc_handler+0x12c/0x198
  el0_svc+0x8/0xc

Ramdumps showed the following:
  total_ref_count = 3
  perf_trace_buf = (
      0x0 -> NULL,
      0x0 -> NULL,
      0x0 -> NULL,
      0x0 -> NULL)

Link: http://lkml.kernel.org/r/1571120245-4186-1-git-send-email-prsood@codeaurora.org
Cc: stable@vger.kernel.org
Fixes: e12f03d7031a9 ("perf/core: Implement the 'perf_kprobe' PMU")
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Prateek Sood <prsood@codeaurora.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
9 months agoMerge tag 'arm-soc/for-5.4/devicetree-fixes-part2' of https://github.com/Broadcom...
Olof Johansson [Mon, 21 Oct 2019 21:25:21 +0000 (14:25 -0700)]
Merge tag 'arm-soc/for-5.4/devicetree-fixes-part2' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoC Device Tree fixes for
5.4, please pull the following:

- Stefan removes the activity LED node from the CM3 DTS since there is
  no driver for that LED yet and leds-gpio cannot drive it either

* tag 'arm-soc/for-5.4/devicetree-fixes-part2' of https://github.com/Broadcom/stblinux:
  ARM: dts: bcm2837-rpi-cm3: Avoid leds-gpio probing issue

Link: https://lore.kernel.org/r/20191021194302.21024-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'arm-soc/for-5.4/devicetree-fixes' of https://github.com/Broadcom/stblinux...
Olof Johansson [Mon, 21 Oct 2019 19:08:44 +0000 (12:08 -0700)]
Merge tag 'arm-soc/for-5.4/devicetree-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.4, please pull the following:

- Stefan fixes the MMC controller bus-width property for the Raspberry Pi
  Zero Wireless which was incorrect after a prior refactoring

* tag 'arm-soc/for-5.4/devicetree-fixes' of https://github.com/Broadcom/stblinux:
  ARM: dts: bcm2835-rpi-zero-w: Fix bus-width of sdhci

Link: https://lore.kernel.org/r/20191015172356.9650-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'davinci-fixes-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Olof Johansson [Mon, 21 Oct 2019 19:07:35 +0000 (12:07 -0700)]
Merge tag 'davinci-fixes-for-v5.4' of git://git./linux/kernel/git/nsekhar/linux-davinci into arm/fixes

DaVinci fixes for v5.4
======================
* fix GPIO backlight support on DA850 by enabling the needed config
  in davinci_all_defconfig. This is a fix because the driver and board
  support got converted to use BACKLIGHT_GPIO driver, but defconfig update
  is still missing in v5.4.
* fix for McBSP DMA on DM365

* tag 'davinci-fixes-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci_all_defconfig: enable GPIO backlight
  ARM: davinci: dm365: Fix McBSP dma_slave_map entry

Link: https://lore.kernel.org/r/7f3393f9-59be-a2d4-c1e1-ba6e407681d1@ti.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'v5.4-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Mon, 21 Oct 2019 19:07:27 +0000 (12:07 -0700)]
Merge tag 'v5.4-rockchip-dtsfixes1' of git://git./linux/kernel/git/mmind/linux-rockchip into arm/fixes

A number of fixes for individual boards like the rockpro64, and Hugsun X99
as well as a fix for the Gru-Kevin display override and fixing the dt-
binding for Theobroma boards to the correct naming that is also actually
used in the wild.

* tag 'v5.4-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: dts: rockchip: Fix override mode for rk3399-kevin panel
  arm64: dts: rockchip: Fix usb-c on Hugsun X99 TV Box
  arm64: dts: rockchip: fix RockPro64 sdmmc settings
  arm64: dts: rockchip: fix RockPro64 sdhci settings
  arm64: dts: rockchip: fix RockPro64 vdd-log regulator settings
  dt-bindings: arm: rockchip: fix Theobroma-System board bindings
  arm64: dts: rockchip: fix Rockpro64 RK808 interrupt line

Link: https://lore.kernel.org/r/1599050.HRXuSXmxRg@phil
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'imx-fixes-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...
Olof Johansson [Mon, 21 Oct 2019 19:07:13 +0000 (12:07 -0700)]
Merge tag 'imx-fixes-5.4' of git://git./linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.4:
 - Re-enable SNVS power key for imx6q-logicpd board which was accidentally
   disabled by a SoC level change.
 - Fix I2C switches on vf610-zii-scu4-aib board by specifying property
   i2c-mux-idle-disconnect.
 - A fix on imx-scu API that reads UID from firmware to avoid kernel NULL
   pointer dump.
 - A series from Anson to correct i.MX7 GPT and i.MX8 USDHC IPG clock.
 - A fix on DRM_MSM Kconfig regression on i.MX5 by adding the option
   explicitly into imx_v6_v7_defconfig.
 - Fix ARM regulator states issue for zii-ultra board, which is impacting
   stability of the board.
 - A correction on CPU core idle state name for LayerScape LX2160A SoC.

* tag 'imx-fixes-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: Enable CONFIG_DRM_MSM
  arm64: dts: imx8mn: Use correct clock for usdhc's ipg clk
  arm64: dts: imx8mm: Use correct clock for usdhc's ipg clk
  arm64: dts: imx8mq: Use correct clock for usdhc's ipg clk
  ARM: dts: imx7s: Correct GPT's ipg clock source
  ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
  ARM: dts: imx6q-logicpd: Re-Enable SNVS power key
  arm64: dts: lx2160a: Correct CPU core idle state name
  arm64: dts: zii-ultra: fix ARM regulator states
  soc: imx: imx-scu: Getting UID from SCU should have response

Link: https://lore.kernel.org/r/20191017141851.GA22506@dragon
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'omap-for-v5.4/fixes-rc3-signed' of git://git.kernel.org/pub/scm/linux...
Olof Johansson [Mon, 21 Oct 2019 19:06:46 +0000 (12:06 -0700)]
Merge tag 'omap-for-v5.4/fixes-rc3-signed' of git://git./linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps for v5.4-rc cycle

More fixes for omap variants:

- Update more panel options in omap2plus_defconfig that got changed
  as we moved to use generic LCD panels

- Remove unused twl_keypad for logicpd-torpedo-som to avoid boot
  time warnings. This is only a cosmetic fix, but at least dmesg output
  is now getting more readable after all the fixes to remove pointless
  warnings

- Fix gpu_cm node name as we still have a non-standard node name
  dependency for clocks. This should eventually get fixed by use
  of domain specific compatible property

- Fix use of i2c-mux-idle-disconnect for m3874-iceboard

- Use level interrupt for omap4 & 5 wlcore to avoid lost edge
  interrupts

* tag 'omap-for-v5.4/fixes-rc3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Use level interrupt for omap4 & 5 wlcore
  ARM: dts: am3874-iceboard: Fix 'i2c-mux-idle-disconnect' usage
  ARM: dts: omap5: fix gpu_cm clock provider name
  ARM: dts: logicpd-torpedo-som: Remove twl_keypad
  ARM: omap2plus_defconfig: Fix selected panels after generic panel changes

Link: https://lore.kernel.org/r/pull-1571242890-118432@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoMerge tag 'arm-soc/for-5.4/devicetree-arm64-fixes' of https://github.com/Broadcom...
Olof Johansson [Mon, 21 Oct 2019 19:05:35 +0000 (12:05 -0700)]
Merge tag 'arm-soc/for-5.4/devicetree-arm64-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM64-based SoCs Device Tree fixes
for 5.4, please pull the following:

- Rayangonda fixes the GPIO pins assignment for the Stringray SoCs

* tag 'arm-soc/for-5.4/devicetree-arm64-fixes' of https://github.com/Broadcom/stblinux:
  arm64: dts: Fix gpio to pinmux mapping

Link: https://lore.kernel.org/r/20191015172356.9650-2-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
9 months agoARM: 8926/1: v7m: remove register save to stack before svc
afzal mohammed [Mon, 21 Oct 2019 05:06:14 +0000 (06:06 +0100)]
ARM: 8926/1: v7m: remove register save to stack before svc

r0-r3 & r12 registers are saved & restored, before & after svc
respectively. Intention was to preserve those registers across thread to
handler mode switch.

On v7-M, hardware saves the register context upon exception in AAPCS
complaint way. Restoring r0-r3 & r12 is done from stack location where
hardware saves it, not from the location on stack where these registers
were saved.

To clarify, on stm32f429 discovery board:

1. before svc, sp - 0x90009ff8
2. r0-r3,r12 saved to 0x90009ff8 - 0x9000a00b
3. upon svc, h/w decrements sp by 32 & pushes registers onto stack
4. after svc,  sp - 0x90009fd8
5. r0-r3,r12 restored from 0x90009fd8 - 0x90009feb

Above means r0-r3,r12 is not restored from the location where they are
saved, but since hardware pushes the registers onto stack, the registers
are restored correctly.

Note that during register saving to stack (step 2), it goes past
0x9000a000. And it seems, based on objdump, there are global symbols
residing there, and it perhaps can cause issues on a non-XIP Kernel
(on XIP, data section is setup later).

Based on the analysis above, manually saving registers onto stack is at
best no-op and at worst can cause data section corruption. Hence remove
storing of registers onto stack before svc.

Fixes: b70cd406d7fe ("ARM: 8671/1: V7M: Preserve registers across switch from Thread to Handler mode")
Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
Acked-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
9 months agoInput: st1232 - fix reporting multitouch coordinates
Dixit Parmar [Mon, 21 Oct 2019 16:32:47 +0000 (09:32 -0700)]
Input: st1232 - fix reporting multitouch coordinates

For Sitronix st1633 multi-touch controller driver the coordinates reported
for multiple fingers were wrong, as it was always taking LSB of coordinates
from the first contact data.

Signed-off-by: Dixit Parmar <dixitparmar19@gmail.com>
Reviewed-by: Martin Kepplinger <martink@posteo.de>
Cc: stable@vger.kernel.org
Fixes: 351e0592bfea ("Input: st1232 - add support for st1633")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204561
Link: https://lore.kernel.org/r/1566209314-21767-1-git-send-email-dixitparmar19@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
9 months agommc: mxs: fix flags passed to dmaengine_prep_slave_sg
Sascha Hauer [Fri, 18 Oct 2019 09:39:34 +0000 (11:39 +0200)]
mmc: mxs: fix flags passed to dmaengine_prep_slave_sg

Since ceeeb99cd821 we no longer abuse the DMA_CTRL_ACK flag for custom
driver use and introduced the MXS_DMA_CTRL_WAIT4END instead. We have not
changed all users to this flag though. This patch fixes it for the
mxs-mmc driver.

Fixes: ceeeb99cd821 ("dmaengine: mxs: rename custom flag")
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Fabio Estevam <festevam@gmail.com>
Reported-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Tested-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
9 months agodrm/komeda: Fix typos in komeda_splitter_validate
Mihail Atanassov [Mon, 30 Sep 2019 12:23:07 +0000 (12:23 +0000)]
drm/komeda: Fix typos in komeda_splitter_validate

Fix both the string and the struct member being printed.

Changes since v1:
 - Now with a bonus grammar fix, too.

Fixes: 264b9436d23b ("drm/komeda: Enable writeback split support")
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190930122231.33029-1-mihail.atanassov@arm.com
9 months agodrm/komeda: Don't flush inactive pipes
Mihail Atanassov [Thu, 10 Oct 2019 10:30:07 +0000 (10:30 +0000)]
drm/komeda: Don't flush inactive pipes

HW doesn't allow flushing inactive pipes and raises an MERR interrupt
if you try to do so. Stop triggering the MERR interrupt in the
middle of a commit by calling drm_atomic_helper_commit_planes
with the ACTIVE_ONLY flag.

Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010102950.56253-1-mihail.atanassov@arm.com
9 months agoMerge tag 'asoc-fix-v5.4-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git...
Takashi Iwai [Mon, 21 Oct 2019 12:05:26 +0000 (14:05 +0200)]
Merge tag 'asoc-fix-v5.4-rc4' of https://git./linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.4

A collection of fixes that have arrived since the merge window.  There
are a small number of core fixes here but they are smaller ones around
error handling.

9 months agommc: cqhci: Commit descriptors before setting the doorbell
Faiz Abbas [Mon, 14 Oct 2019 18:38:49 +0000 (00:08 +0530)]
mmc: cqhci: Commit descriptors before setting the doorbell

Add a write memory barrier to make sure that descriptors are actually
written to memory, before ringing the doorbell.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
9 months agommc: sdhci-omap: Fix Tuning procedure for temperatures < -20C
Faiz Abbas [Thu, 10 Oct 2019 10:52:30 +0000 (16:22 +0530)]
mmc: sdhci-omap: Fix Tuning procedure for temperatures < -20C

According to the App note[1] detailing the tuning algorithm, for
temperatures < -20C, the initial tuning value should be min(largest value
in LPW - 24, ceil(13/16 ratio of LPW)). The largest value in LPW is
(max_window + 4 * (max_len - 1)) and not (max_window + 4 * max_len) itself.
Fix this implementation.

[1] http://www.ti.com/lit/an/spraca9b/spraca9b.pdf

Fixes: 961de0a856e3 ("mmc: sdhci-omap: Workaround errata regarding SDR104/HS200 tuning failures (i929)")
Cc: stable@vger.kernel.org
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
9 months agoALSA: hda/realtek - Add support for ALC711
Kailang Yang [Thu, 2 May 2019 08:03:26 +0000 (16:03 +0800)]
ALSA: hda/realtek - Add support for ALC711

Support new codec ALC711.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
9 months agoopp: core: Revert "add regulators enable and disable"
Marek Szyprowski [Thu, 17 Oct 2019 10:27:58 +0000 (12:27 +0200)]
opp: core: Revert "add regulators enable and disable"

All the drivers, which use the OPP framework control regulators, which
are already enabled. Typically those regulators are also system critical,
due to providing power to CPU core or system buses. It turned out that
there are cases, where calling regulator_enable() on such boot-enabled
regulator has side-effects and might change its initial voltage due to
performing initial voltage balancing without all restrictions from the
consumers. Until this issue becomes finally solved in regulator core,
avoid calling regulator_enable()/disable() from the OPP framework.

This reverts commit 7f93ff73f7c8c8bfa6be33bcc16470b0b44682aa.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
9 months agoPM: QoS: Drop frequency QoS types from device PM QoS
Rafael J. Wysocki [Wed, 16 Oct 2019 10:47:53 +0000 (12:47 +0200)]
PM: QoS: Drop frequency QoS types from device PM QoS

There are no more active users of DEV_PM_QOS_MIN_FREQUENCY and
DEV_PM_QOS_MAX_FREQUENCY device PM QoS request types, so drop them
along with the code supporting them.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
9 months agocpufreq: Use per-policy frequency QoS
Rafael J. Wysocki [Wed, 16 Oct 2019 10:47:06 +0000 (12:47 +0200)]
cpufreq: Use per-policy frequency QoS

Replace the CPU device PM QoS used for the management of min and max
frequency constraints in cpufreq (and its users) with per-policy
frequency QoS to avoid problems with cpufreq policies covering
more then one CPU.

Namely, a cpufreq driver is registered with the subsys interface
which calls cpufreq_add_dev() for each CPU, starting from CPU0, so
currently the PM QoS notifiers are added to the first CPU in the
policy (i.e. CPU0 in the majority of cases).

In turn, when the cpufreq driver is unregistered, the subsys interface
doing that calls cpufreq_remove_dev() for each CPU, starting from CPU0,
and the PM QoS notifiers are only removed when cpufreq_remove_dev() is
called for the last CPU in the policy, say CPUx, which as a rule is
not CPU0 if the policy covers more than one CPU.  Then, the PM QoS
notifiers cannot be removed, because CPUx does not have them, and
they are still there in the device PM QoS notifiers list of CPU0,
which prevents new PM QoS notifiers from being registered for CPU0
on the next attempt to register the cpufreq driver.

The same issue occurs when the first CPU in the policy goes offline
before unregistering the driver.

After this change it does not matter which CPU is the policy CPU at
the driver registration time and whether or not it is online all the
time, because the frequency QoS is per policy and not per CPU.

Fixes: 67d874c3b2c6 ("cpufreq: Register notifiers with the PM QoS framework")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reported-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Diagnosed-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/linux-pm/5ad2624194baa2f53acc1f1e627eb7684c577a19.1562210705.git.viresh.kumar@linaro.org/T/#md2d89e95906b8c91c15f582146173dce2e86e99f
Link: https://lore.kernel.org/linux-pm/20191017094612.6tbkwoq4harsjcqv@vireshk-i7/T/#m30d48cc23b9a80467fbaa16e30f90b3828a5a29b
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
9 months agoPM: QoS: Introduce frequency QoS
Rafael J. Wysocki [Wed, 16 Oct 2019 10:41:24 +0000 (12:41 +0200)]
PM: QoS: Introduce frequency QoS

Introduce frequency QoS, based on the "raw" low-level PM QoS, to
represent min and max frequency requests and aggregate constraints.

The min and max frequency requests are to be represented by
struct freq_qos_request objects and the aggregate constraints are to
be represented by struct freq_constraints objects.  The latter are
expected to be initialized with the help of freq_constraints_init().

The freq_qos_read_value() helper is defined to retrieve the aggregate
constraints values from a given struct freq_constraints object and
there are the freq_qos_add_request(), freq_qos_update_request() and
freq_qos_remove_request() helpers to manipulate the min and max
frequency requests.  It is assumed that the the helpers will not
run concurrently with each other for the same struct freq_qos_request
object, so if that may be the case, their uses must ensure proper
synchronization between them (e.g. through locking).

In addition, freq_qos_add_notifier() and freq_qos_remove_notifier()
are provided to add and remove notifiers that will trigger on aggregate
constraint changes to and from a given struct freq_constraints object,
respectively.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
9 months agoLinux 5.4-rc4 v5.4-rc4
Linus Torvalds [Sun, 20 Oct 2019 19:56:22 +0000 (15:56 -0400)]
Linux 5.4-rc4

9 months agoMerge tag 'kbuild-fixes-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sun, 20 Oct 2019 16:36:57 +0000 (12:36 -0400)]
Merge tag 'kbuild-fixes-v5.4-2' of git://git./linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild fixes from Masahiro Yamada:

 - fix a bashism of setlocalversion

 - do not use the too new --sort option of tar

* tag 'kbuild-fixes-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kheaders: substituting --sort in archive creation
  scripts: setlocalversion: fix a bashism
  kbuild: update comment about KBUILD_ALLDIRS

9 months agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 20 Oct 2019 10:31:14 +0000 (06:31 -0400)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "A small set of x86 fixes:

   - Prevent a NULL pointer dereference in the X2APIC code in case of a
     CPU hotplug failure.

   - Prevent boot failures on HP superdome machines by invalidating the
     level2 kernel pagetable entries outside of the kernel area as
     invalid so BIOS reserved space won't be touched unintentionally.

     Also ensure that memory holes are rounded up to the next PMD
     boundary correctly.

   - Enable X2APIC support on Hyper-V to prevent boot failures.

   - Set the paravirt name when running on Hyper-V for consistency

   - Move a function under the appropriate ifdef guard to prevent build
     warnings"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot/acpi: Move get_cmdline_acpi_rsdp() under #ifdef guard
  x86/hyperv: Set pv_info.name to "Hyper-V"
  x86/apic/x2apic: Fix a NULL pointer deref when handling a dying cpu
  x86/hyperv: Make vapic support x2apic mode
  x86/boot/64: Round memory hole size up to next PMD page
  x86/boot/64: Make level2_kernel_pgt pages invalid outside kernel area

9 months agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 20 Oct 2019 10:27:54 +0000 (06:27 -0400)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "A small set of irq chip driver fixes and updates:

   - Update the SIFIVE PLIC interrupt driver to use the fasteoi handler
     to address the shortcomings of the existing flow handling which was
     prone to lose interrupts

   - Use the proper limit for GIC interrupt line numbers

   - Add retrigger support for the recently merged Anapurna Labs Fabric
     interrupt controller to make it complete

   - Enable the ATMEL AIC5 interrupt controller driver on the new
     SAM9X60 SoC"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/sifive-plic: Switch to fasteoi flow
  irqchip/gic-v3: Fix GIC_LINE_NR accessor
  irqchip/atmel-aic5: Add support for sam9x60 irqchip
  irqchip/al-fic: Add support for irq retrigger

9 months agoMerge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 20 Oct 2019 10:25:12 +0000 (06:25 -0400)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull hrtimer fixlet from Thomas Gleixner:
 "A single commit annotating the lockcless access to timer->base with
  READ_ONCE() and adding the WRITE_ONCE() counterparts for completeness"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  hrtimer: Annotate lockless access to timer->base

9 months agoMerge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 20 Oct 2019 10:22:25 +0000 (06:22 -0400)]
Merge branch 'core-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull stop-machine fix from Thomas Gleixner:
 "A single fix, amending stop machine with WRITE/READ_ONCE() to address
  the fallout of KCSAN"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  stop_machine: Avoid potential race behaviour

9 months agoKVM: arm64: pmu: Reset sample period on overflow handling
Marc Zyngier [Sun, 6 Oct 2019 09:28:50 +0000 (10:28 +0100)]
KVM: arm64: pmu: Reset sample period on overflow handling

The PMU emulation code uses the perf event sample period to trigger
the overflow detection. This works fine  for the *first* overflow
handling, but results in a huge number of interrupts on the host,
unrelated to the number of interrupts handled in the guest (a x20
factor is pretty common for the cycle counter). On a slow system
(such as a SW model), this can result in the guest only making
forward progress at a glacial pace.

It turns out that the clue is in the name. The sample period is
exactly that: a period. And once the an overflow has occured,
the following period should be the full width of the associated
counter, instead of whatever the guest had initially programed.

Reset the sample period to the architected value in the overflow
handler, which now results in a number of host interrupts that is
much closer to the number of interrupts in the guest.

Fixes: b02386eb7dac ("arm64: KVM: Add PMU overflow interrupt routing")
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
9 months agoKVM: arm64: pmu: Set the CHAINED attribute before creating the in-kernel event
Marc Zyngier [Tue, 8 Oct 2019 14:09:55 +0000 (15:09 +0100)]
KVM: arm64: pmu: Set the CHAINED attribute before creating the in-kernel event

The current convention for KVM to request a chained event from the
host PMU is to set bit[0] in attr.config1 (PERF_ATTR_CFG1_KVM_PMU_CHAINED).

But as it turns out, this bit gets set *after* we create the kernel
event that backs our virtual counter, meaning that we never get
a 64bit counter.

Moving the setting to an earlier point solves the problem.

Fixes: 80f393a23be6 ("KVM: arm/arm64: Support chained PMU counters")
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
9 months agoarm64: KVM: Handle PMCR_EL0.LC as RES1 on pure AArch64 systems
Marc Zyngier [Fri, 4 Oct 2019 10:03:09 +0000 (11:03 +0100)]
arm64: KVM: Handle PMCR_EL0.LC as RES1 on pure AArch64 systems

Of PMCR_EL0.LC, the ARMv8 ARM says:

"In an AArch64 only implementation, this field is RES 1."

So be it.

Fixes: ab9468340d2bc ("arm64: KVM: Add access handler for PMCR register")
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
9 months agoKVM: arm64: pmu: Fix cycle counter truncation
Marc Zyngier [Thu, 3 Oct 2019 17:02:08 +0000 (18:02 +0100)]
KVM: arm64: pmu: Fix cycle counter truncation

When a counter is disabled, its value is sampled before the event
is being disabled, and the value written back in the shadow register.

In that process, the value gets truncated to 32bit, which is adequate
for any counter but the cycle counter (defined as a 64bit counter).

This obviously results in a corrupted counter, and things like
"perf record -e cycles" not working at all when run in a guest...
A similar, but less critical bug exists in kvm_pmu_get_counter_value.

Make the truncation conditional on the counter not being the cycle
counter, which results in a minor code reorganisation.

Fixes: 80f393a23be6 ("KVM: arm/arm64: Support chained PMU counters")
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Reported-by: Julien Thierry <julien.thierry.kdev@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
9 months agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds [Sat, 19 Oct 2019 21:09:11 +0000 (17:09 -0400)]
Merge git://git./linux/kernel/git/netdev/net

Pull networking fixes from David Miller:
 "I was battling a cold after some recent trips, so quite a bit piled up
  meanwhile, sorry about that.

  Highlights:

   1) Fix fd leak in various bpf selftests, from Brian Vazquez.

   2) Fix crash in xsk when device doesn't support some methods, from
      Magnus Karlsson.

   3) Fix various leaks and use-after-free in rxrpc, from David Howells.

   4) Fix several SKB leaks due to confusion of who owns an SKB and who
      should release it in the llc code. From Eric Biggers.

   5) Kill a bunc of KCSAN warnings in TCP, from Eric Dumazet.

   6) Jumbo packets don't work after resume on r8169, as the BIOS resets
      the chip into non-jumbo mode during suspend. From Heiner Kallweit.

   7) Corrupt L2 header during MPLS push, from Davide Caratti.

   8) Prevent possible infinite loop in tc_ctl_action, from Eric
      Dumazet.

   9) Get register bits right in bcmgenet driver, based upon chip
      version. From Florian Fainelli.

  10) Fix mutex problems in microchip DSA driver, from Marek Vasut.

  11) Cure race between route lookup and invalidation in ipv4, from Wei
      Wang.

  12) Fix performance regression due to false sharing in 'net'
      structure, from Eric Dumazet"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (145 commits)
  net: reorder 'struct net' fields to avoid false sharing
  net: dsa: fix switch tree list
  net: ethernet: dwmac-sun8i: show message only when switching to promisc
  net: aquantia: add an error handling in aq_nic_set_multicast_list
  net: netem: correct the parent's backlog when corrupted packet was dropped
  net: netem: fix error path for corrupted GSO frames
  macb: propagate errors when getting optional clocks
  xen/netback: fix error path of xenvif_connect_data()
  net: hns3: fix mis-counting IRQ vector numbers issue
  net: usb: lan78xx: Connect PHY before registering MAC
  vsock/virtio: discard packets if credit is not respected
  vsock/virtio: send a credit update when buffer size is changed
  mlxsw: spectrum_trap: Push Ethernet header before reporting trap
  net: ensure correct skb->tstamp in various fragmenters
  net: bcmgenet: reset 40nm EPHY on energy detect
  net: bcmgenet: soft reset 40nm EPHYs before MAC init
  net: phy: bcm7xxx: define soft_reset for 40nm EPHY
  net: bcmgenet: don't set phydev->link from MAC
  net: Update address for MediaTek ethernet driver in MAINTAINERS
  ipv4: fix race condition between route lookup and invalidation
  ...

9 months agonet: reorder 'struct net' fields to avoid false sharing
Eric Dumazet [Fri, 18 Oct 2019 22:20:05 +0000 (15:20 -0700)]
net: reorder 'struct net' fields to avoid false sharing

Intel test robot reported a ~7% regression on TCP_CRR tests
that they bisected to the cited commit.

Indeed, every time a new TCP socket is created or deleted,
the atomic counter net->count is touched (via get_net(net)
and put_net(net) calls)

So cpus might have to reload a contended cache line in
net_hash_mix(net) calls.

We need to reorder 'struct net' fields to move @hash_mix
in a read mostly cache line.

We move in the first cache line fields that can be
dirtied often.

We probably will have to address in a followup patch
the __randomize_layout that was added in linux-4.13,
since this might break our placement choices.

Fixes: 355b98553789 ("netns: provide pure entropy for net_hash_mix()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agonet: dsa: fix switch tree list
Vivien Didelot [Fri, 18 Oct 2019 21:02:46 +0000 (17:02 -0400)]
net: dsa: fix switch tree list

If there are multiple switch trees on the device, only the last one
will be listed, because the arguments of list_add_tail are swapped.

Fixes: 83c0afaec7b7 ("net: dsa: Add new binding implementation")
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agonet: ethernet: dwmac-sun8i: show message only when switching to promisc
Mans Rullgard [Fri, 18 Oct 2019 16:56:58 +0000 (17:56 +0100)]
net: ethernet: dwmac-sun8i: show message only when switching to promisc

Printing the info message every time more than the max number of mac
addresses are requested generates unnecessary log spam.  Showing it only
when the hw is not already in promiscous mode is equally informative
without being annoying.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agonet: aquantia: add an error handling in aq_nic_set_multicast_list
Chenwandun [Fri, 18 Oct 2019 10:20:37 +0000 (18:20 +0800)]
net: aquantia: add an error handling in aq_nic_set_multicast_list

add an error handling in aq_nic_set_multicast_list, it may not
work when hw_multicast_list_set error; and at the same time
it will remove gcc Wunused-but-set-variable warning.

Signed-off-by: Chenwandun <chenwandun@huawei.com>
Reviewed-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agoMerge branch 'netem-fix-further-issues-with-packet-corruption'
David S. Miller [Sat, 19 Oct 2019 19:12:36 +0000 (12:12 -0700)]
Merge branch 'netem-fix-further-issues-with-packet-corruption'

Jakub Kicinski says:

====================
net: netem: fix further issues with packet corruption

This set is fixing two more issues with the netem packet corruption.

First patch (which was previously posted) avoids NULL pointer dereference
if the first frame gets freed due to allocation or checksum failure.
v2 improves the clarity of the code a little as requested by Cong.

Second patch ensures we don't return SUCCESS if the frame was in fact
dropped. Thanks to this commit message for patch 1 no longer needs the
"this will still break with a single-frame failure" disclaimer.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agonet: netem: correct the parent's backlog when corrupted packet was dropped
Jakub Kicinski [Fri, 18 Oct 2019 16:16:58 +0000 (09:16 -0700)]
net: netem: correct the parent's backlog when corrupted packet was dropped

If packet corruption failed we jump to finish_segs and return
NET_XMIT_SUCCESS. Seeing success will make the parent qdisc
increment its backlog, that's incorrect - we need to return
NET_XMIT_DROP.

Fixes: 6071bd1aa13e ("netem: Segment GSO packets on enqueue")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agonet: netem: fix error path for corrupted GSO frames
Jakub Kicinski [Fri, 18 Oct 2019 16:16:57 +0000 (09:16 -0700)]
net: netem: fix error path for corrupted GSO frames

To corrupt a GSO frame we first perform segmentation.  We then
proceed using the first segment instead of the full GSO skb and
requeue the rest of the segments as separate packets.

If there are any issues with processing the first segment we
still want to process the rest, therefore we jump to the
finish_segs label.

Commit 177b8007463c ("net: netem: fix backlog accounting for
corrupted GSO frames") started using the pointer to the first
segment in the "rest of segments processing", but as mentioned
above the first segment may had already been freed at this point.

Backlog corrections for parent qdiscs have to be adjusted.

Fixes: 177b8007463c ("net: netem: fix backlog accounting for corrupted GSO frames")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agomacb: propagate errors when getting optional clocks
Michael Tretter [Fri, 18 Oct 2019 14:11:43 +0000 (16:11 +0200)]
macb: propagate errors when getting optional clocks

The tx_clk, rx_clk, and tsu_clk are optional. Currently the macb driver
marks clock as not available if it receives an error when trying to get
a clock. This is wrong, because a clock controller might return
-EPROBE_DEFER if a clock is not available, but will eventually become
available.

In these cases, the driver would probe successfully but will never be
able to adjust the clocks, because the clocks were not available during
probe, but became available later.

For example, the clock controller for the ZynqMP is implemented in the
PMU firmware and the clocks are only available after the firmware driver
has been probed.

Use devm_clk_get_optional() in instead of devm_clk_get() to get the
optional clock and propagate all errors to the calling function.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Tested-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agoxen/netback: fix error path of xenvif_connect_data()
Juergen Gross [Fri, 18 Oct 2019 07:45:49 +0000 (09:45 +0200)]
xen/netback: fix error path of xenvif_connect_data()

xenvif_connect_data() calls module_put() in case of error. This is
wrong as there is no related module_get().

Remove the superfluous module_put().

Fixes: 279f438e36c0a7 ("xen-netback: Don't destroy the netdev until the vif is shut down")
Cc: <stable@vger.kernel.org> # 3.12
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agonet: hns3: fix mis-counting IRQ vector numbers issue
Yonglong Liu [Fri, 18 Oct 2019 03:42:59 +0000 (11:42 +0800)]
net: hns3: fix mis-counting IRQ vector numbers issue

Currently, the num_msi_left means the vector numbers of NIC,
but if the PF supported RoCE, it contains the vector numbers
of NIC and RoCE(Not expected).

This may cause interrupts lost in some case, because of the
NIC module used the vector resources which belongs to RoCE.

This patch adds a new variable num_nic_msi to store the vector
numbers of NIC, and adjust the default TQP numbers and rss_size
according to the value of num_nic_msi.

Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
9 months agoMerge branch 'akpm' (patches from Andrew)
Linus Torvalds [Sat, 19 Oct 2019 10:53:59 +0000 (06:53 -0400)]
Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "Rather a lot of fixes, almost all affecting mm/"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (26 commits)
  scripts/gdb: fix debugging modules on s390
  kernel/events/uprobes.c: only do FOLL_SPLIT_PMD for uprobe register
  mm/thp: allow dropping THP from page cache
  mm/vmscan.c: support removing arbitrary sized pages from mapping
  mm/thp: fix node page state in split_huge_page_to_list()
  proc/meminfo: fix output alignment
  mm/init-mm.c: include <linux/mman.h> for vm_committed_as_batch
  mm/filemap.c: include <linux/ramfs.h> for generic_file_vm_ops definition
  mm: include <linux/huge_mm.h> for is_vma_temporary_stack
  zram: fix race between backing_dev_show and backing_dev_store
  mm/memcontrol: update lruvec counters in mem_cgroup_move_account
  ocfs2: fix panic due to ocfs2_wq is null
  hugetlbfs: don't access uninitialized memmaps in pfn_range_valid_gigantic()
  mm: memblock: do not enforce current limit for memblock_phys* family
  mm: memcg: get number of pages on the LRU list in memcgroup base on lru_zone_size
  mm/gup: fix a misnamed "write" argument, and a related bug
  mm/gup_benchmark: add a missing "w" to getopt string
  ocfs2: fix error handling in ocfs2_setattr()
  mm: memcg/slab: fix panic in __free_slab() caused by premature memcg pointer release
  mm/memunmap: don't access uninitialized memmap in memunmap_pages()
  ...

9 months agoscripts/gdb: fix debugging modules on s390
Ilya Leoshkevich [Sat, 19 Oct 2019 03:20:43 +0000 (20:20 -0700)]
scripts/gdb: fix debugging modules on s390

Currently lx-symbols assumes that module text is always located at
module->core_layout->base, but s390 uses the following layout:

  +------+  <- module->core_layout->base
  | GOT  |
  +------+  <- module->core_layout->base + module->arch->plt_offset
  | PLT  |
  +------+  <- module->core_layout->base + module->arch->plt_offset +
  | TEXT |     module->arch->plt_size
  +------+

Therefore, when trying to debug modules on s390, all the symbol
addresses are skewed by plt_offset + plt_size.

Fix by adding plt_offset + plt_size to module_addr in
load_module_symbols().

Link: http://lkml.kernel.org/r/20191017085917.81791-1-iii@linux.ibm.com
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>