Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 18 May 2010 14:22:37 +0000 (07:22 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 18 May 2010 14:22:37 +0000 (07:22 -0700)
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86/amd-iommu: Add amd_iommu=off command line option
  iommu-api: Remove iommu_{un}map_range functions
  x86/amd-iommu: Implement ->{un}map callbacks for iommu-api
  x86/amd-iommu: Make amd_iommu_iova_to_phys aware of multiple page sizes
  x86/amd-iommu: Make iommu_unmap_page and fetch_pte aware of page sizes
  x86/amd-iommu: Make iommu_map_page and alloc_pte aware of page sizes
  kvm: Change kvm_iommu_map_pages to map large pages
  VT-d: Change {un}map_range functions to implement {un}map interface
  iommu-api: Add ->{un}map callbacks to iommu_ops
  iommu-api: Add iommu_map and iommu_unmap functions
  iommu-api: Rename ->{un}map function pointers to ->{un}map_range

247 files changed:
Documentation/filesystems/proc.txt
MAINTAINERS
Makefile
arch/alpha/include/asm/atomic.h
arch/arm/include/asm/atomic.h
arch/arm/include/asm/cacheflush.h
arch/arm/include/asm/smp_twd.h
arch/arm/include/asm/tlbflush.h
arch/arm/kernel/smp_twd.c
arch/arm/lib/clear_user.S
arch/arm/lib/copy_to_user.S
arch/arm/mach-davinci/da830.c
arch/arm/mm/cache-v6.S
arch/arm/mm/cache-v7.S
arch/arm/mm/nommu.c
arch/arm/mm/tlb-v7.S
arch/avr32/include/asm/atomic.h
arch/cris/include/asm/atomic.h
arch/frv/include/asm/atomic.h
arch/h8300/include/asm/atomic.h
arch/ia64/include/asm/atomic.h
arch/m32r/include/asm/atomic.h
arch/m68k/amiga/Makefile
arch/m68k/amiga/platform.c [new file with mode: 0644]
arch/m68k/bvme6000/rtc.c
arch/m68k/hp300/time.h
arch/m68k/include/asm/atomic_mm.h
arch/m68k/include/asm/atomic_no.h
arch/m68k/include/asm/bitops_mm.h
arch/m68k/include/asm/param.h
arch/m68k/kernel/traps.c
arch/m68k/mac/config.c
arch/m68k/mm/fault.c
arch/m68k/mvme16x/rtc.c
arch/m68k/q40/config.c
arch/microblaze/include/asm/uaccess.h
arch/microblaze/kernel/cpu/cache.c
arch/microblaze/kernel/entry-nommu.S
arch/microblaze/kernel/microblaze_ksyms.c
arch/microblaze/kernel/module.c
arch/microblaze/mm/init.c
arch/microblaze/mm/pgtable.c
arch/microblaze/pci/pci-common.c
arch/mips/include/asm/atomic.h
arch/mips/include/asm/mipsregs.h
arch/mips/kernel/scall64-n32.S
arch/mips/math-emu/cp1emu.c
arch/mips/oprofile/op_model_loongson2.c
arch/mn10300/include/asm/atomic.h
arch/parisc/include/asm/atomic.h
arch/powerpc/include/asm/hw_irq.h
arch/powerpc/kernel/asm-offsets.c
arch/powerpc/kernel/dma-swiotlb.c
arch/powerpc/kernel/entry_64.S
arch/powerpc/kernel/irq.c
arch/powerpc/kernel/time.c
arch/powerpc/kvm/44x_tlb.c
arch/s390/kernel/head31.S
arch/s390/kernel/head64.S
arch/s390/kernel/ptrace.c
arch/sh/include/asm/atomic.h
arch/sparc/include/asm/atomic_32.h
arch/sparc/include/asm/atomic_64.h
arch/x86/include/asm/atomic.h
arch/x86/include/asm/atomic64_64.h
arch/x86/include/asm/k8.h
arch/x86/kernel/cpu/intel_cacheinfo.c
arch/x86/kernel/kprobes.c
arch/x86/kernel/process.c
arch/x86/kvm/svm.c
arch/x86/kvm/vmx.c
arch/x86/kvm/x86.c
arch/x86/mm/srat_64.c
arch/x86/pci/mrst.c
arch/xtensa/include/asm/atomic.h
drivers/acpi/sleep.c
drivers/base/platform.c
drivers/block/amiflop.c
drivers/char/serial167.c
drivers/char/tty_io.c
drivers/gpio/it8761e_gpio.c
drivers/gpu/drm/i915/i915_irq.c
drivers/gpu/drm/radeon/radeon_state.c
drivers/hid/hid-cherry.c
drivers/hid/hid-core.c
drivers/hid/hid-ids.h
drivers/hid/hid-ntrig.c
drivers/hid/hid-sony.c
drivers/hid/hid-wacom.c
drivers/hid/usbhid/hid-core.c
drivers/hwmon/applesmc.c
drivers/hwmon/asc7621.c
drivers/hwmon/hp_accel.c
drivers/input/joystick/iforce/iforce-main.c
drivers/input/joystick/iforce/iforce-usb.c
drivers/input/mouse/elantech.c
drivers/input/mouse/elantech.h
drivers/input/mouse/psmouse-base.c
drivers/input/touchscreen/ad7877.c
drivers/mfd/wm831x-core.c
drivers/mfd/wm8350-core.c
drivers/mmc/host/at91_mci.c
drivers/mmc/host/atmel-mci.c
drivers/net/a2065.c
drivers/net/ariadne.c
drivers/net/gianfar.c
drivers/net/hydra.c
drivers/net/phy/micrel.c
drivers/net/veth.c
drivers/net/wireless/ath/ar9170/usb.c
drivers/net/wireless/ath/ar9170/usb.h
drivers/net/wireless/iwlwifi/iwl-commands.h
drivers/net/wireless/iwlwifi/iwl-scan.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
drivers/net/zorro8390.c
drivers/pci/setup-bus.c
drivers/s390/block/dasd.c
drivers/scsi/zorro7xx.c
drivers/serial/imx.c
drivers/serial/mpc52xx_uart.c
drivers/usb/core/inode.c
drivers/vhost/vhost.c
drivers/video/amifb.c
drivers/video/bfin-t350mcqb-fb.c
drivers/video/cirrusfb.c
drivers/video/fm2fb.c
drivers/watchdog/Kconfig
drivers/watchdog/mpcore_wdt.c
drivers/zorro/proc.c
drivers/zorro/zorro-driver.c
drivers/zorro/zorro-sysfs.c
drivers/zorro/zorro.c
fs/autofs4/root.c
fs/btrfs/ioctl.c
fs/cachefiles/internal.h
fs/cachefiles/namei.c
fs/cachefiles/security.c
fs/ceph/addr.c
fs/ceph/caps.c
fs/ceph/inode.c
fs/ceph/mds_client.c
fs/ceph/messenger.c
fs/ceph/messenger.h
fs/ceph/osd_client.c
fs/ceph/osd_client.h
fs/ceph/osdmap.c
fs/ceph/osdmap.h
fs/ceph/rados.h
fs/ceph/super.c
fs/cifs/asn1.c
fs/cifs/cifs_debug.c
fs/cifs/cifs_debug.h
fs/cifs/cifs_dfs_ref.c
fs/cifs/cifs_spnego.c
fs/cifs/cifs_unicode.c
fs/cifs/cifsacl.c
fs/cifs/cifsencrypt.c
fs/cifs/cifsfs.c
fs/cifs/cifsfs.h
fs/cifs/cifsglob.h
fs/cifs/cifsproto.h
fs/cifs/cifssmb.c
fs/cifs/connect.c
fs/cifs/dir.c
fs/cifs/dns_resolve.c
fs/cifs/export.c
fs/cifs/file.c
fs/cifs/inode.c
fs/cifs/ioctl.c
fs/cifs/link.c
fs/cifs/misc.c
fs/cifs/netmisc.c
fs/cifs/readdir.c
fs/cifs/sess.c
fs/cifs/transport.c
fs/cifs/xattr.c
fs/compat.c
fs/configfs/dir.c
fs/exec.c
fs/jfs/super.c
fs/logfs/dev_bdev.c
fs/logfs/dev_mtd.c
fs/logfs/file.c
fs/logfs/gc.c
fs/logfs/inode.c
fs/logfs/journal.c
fs/logfs/logfs.h
fs/logfs/readwrite.c
fs/logfs/segment.c
fs/logfs/super.c
fs/namei.c
fs/namespace.c
fs/notify/inotify/inotify_fsnotify.c
fs/notify/inotify/inotify_user.c
fs/proc/array.c
fs/proc/task_mmu.c
fs/sysv/dir.c
include/asm-generic/atomic.h
include/asm-generic/dma-mapping-common.h
include/linux/dcache.h
include/linux/if_link.h
include/linux/mod_devicetable.h
include/linux/platform_device.h
include/linux/sched.h
include/linux/types.h
include/linux/zorro.h
include/net/sctp/sm.h
include/net/sctp/structs.h
include/net/tcp.h
ipc/mqueue.c
kernel/acct.c
kernel/cgroup.c
kernel/fork.c
kernel/kexec.c
kernel/profile.c
kernel/ptrace.c
lib/btree.c
lib/debugobjects.c
lib/rwsem.c
mm/hugetlb.c
mm/memcontrol.c
mm/rmap.c
net/core/dev.c
net/core/rtnetlink.c
net/ipv4/arp.c
net/ipv4/ipmr.c
net/ipv4/tcp.c
net/ipv4/udp.c
net/ipv6/datagram.c
net/llc/llc_sap.c
net/mac80211/mlme.c
net/sctp/input.c
net/sctp/sm_sideeffect.c
net/sctp/transport.c
scripts/mod/file2alias.c
security/min_addr.c
sound/core/pcm_native.c
sound/oss/dmasound/dmasound_paula.c
sound/pci/hda/patch_conexant.c
sound/pci/hda/patch_realtek.c
sound/pci/hda/patch_sigmatel.c
sound/pci/ice1712/maya44.c
sound/pci/oxygen/xonar_cs43xx.c
tools/perf/builtin-record.c
tools/perf/util/trace-event-parse.c
virt/kvm/ioapic.c
virt/kvm/ioapic.h

index a4f30faa4f1f73ad4622b333007525f9134c21c4..1e359b62c40a2eb67e04ab299012760587cab29a 100644 (file)
@@ -316,7 +316,7 @@ address           perms offset  dev   inode      pathname
 08049000-0804a000 rw-p 00001000 03:00 8312       /opt/test
 0804a000-0806b000 rw-p 00000000 00:00 0          [heap]
 a7cb1000-a7cb2000 ---p 00000000 00:00 0
-a7cb2000-a7eb2000 rw-p 00000000 00:00 0          [threadstack:001ff4b4]
+a7cb2000-a7eb2000 rw-p 00000000 00:00 0
 a7eb2000-a7eb3000 ---p 00000000 00:00 0
 a7eb3000-a7ed5000 rw-p 00000000 00:00 0
 a7ed5000-a8008000 r-xp 00000000 03:00 4222       /lib/libc.so.6
@@ -352,7 +352,6 @@ is not associated with a file:
  [stack]                  = the stack of the main process
  [vdso]                   = the "virtual dynamic shared object",
                             the kernel system call handler
- [threadstack:xxxxxxxx]   = the stack of the thread, xxxxxxxx is the stack size
 
  or if empty, the mapping is anonymous.
 
index d5b0b1b6dc527d4dcfb52db4460520fc395d52cb..d329b053a7185b2a31c3e92b95168b94f90b9618 100644 (file)
@@ -5492,7 +5492,7 @@ S:        Maintained
 F:     drivers/mmc/host/tmio_mmc.*
 
 TMPFS (SHMEM FILESYSTEM)
-M:     Hugh Dickins <hugh.dickins@tiscali.co.uk>
+M:     Hugh Dickins <hughd@google.com>
 L:     linux-mm@kvack.org
 S:     Maintained
 F:     include/linux/shmem_fs.h
index 701bc65b3952fdae5964caffad108cfbca672131..ebc8225f7a96734d316b67de361caa446830033b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 34
-EXTRAVERSION = -rc7
+EXTRAVERSION =
 NAME = Sheep on Meth
 
 # *DOCUMENTATION*
index 610dff44d94b9bfae101f76149f965b4400d07ff..e756d04b6cd5dcdf07b4f394b8be15f1814c4849 100644 (file)
@@ -17,8 +17,8 @@
 #define ATOMIC_INIT(i)         ( (atomic_t) { (i) } )
 #define ATOMIC64_INIT(i)       ( (atomic64_t) { (i) } )
 
-#define atomic_read(v)         ((v)->counter + 0)
-#define atomic64_read(v)       ((v)->counter + 0)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
+#define atomic64_read(v)       (*(volatile long *)&(v)->counter)
 
 #define atomic_set(v,i)                ((v)->counter = (i))
 #define atomic64_set(v,i)      ((v)->counter = (i))
index e8ddec2cb158763d5d0a7741d44ee9e25d90696d..a0162fa9456496662adb28898fcb44776e628414 100644 (file)
@@ -24,7 +24,7 @@
  * strex/ldrex monitor on some implementations. The reason we can use it for
  * atomic_set() is the clrex or dummy strex done on every exception return.
  */
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
 #define atomic_set(v,i)        (((v)->counter) = (i))
 
 #if __LINUX_ARM_ARCH__ >= 6
index 0d08d4170b64d08f2206ce292489a917a8cb0e99..4656a24058d21f75d30097ae5b06a1b66863bdd9 100644 (file)
@@ -371,6 +371,10 @@ static inline void __flush_icache_all(void)
 #ifdef CONFIG_ARM_ERRATA_411920
        extern void v6_icache_inval_all(void);
        v6_icache_inval_all();
+#elif defined(CONFIG_SMP) && __LINUX_ARM_ARCH__ >= 7
+       asm("mcr        p15, 0, %0, c7, c1, 0   @ invalidate I-cache inner shareable\n"
+           :
+           : "r" (0));
 #else
        asm("mcr        p15, 0, %0, c7, c5, 0   @ invalidate I-cache\n"
            :
index 7be0978b2625c9e365fde3d28ca4679d1e9c4933..634f357be6bb787d8a578cfa90a99b7742529b19 100644 (file)
@@ -1,6 +1,23 @@
 #ifndef __ASMARM_SMP_TWD_H
 #define __ASMARM_SMP_TWD_H
 
+#define TWD_TIMER_LOAD                 0x00
+#define TWD_TIMER_COUNTER              0x04
+#define TWD_TIMER_CONTROL              0x08
+#define TWD_TIMER_INTSTAT              0x0C
+
+#define TWD_WDOG_LOAD                  0x20
+#define TWD_WDOG_COUNTER               0x24
+#define TWD_WDOG_CONTROL               0x28
+#define TWD_WDOG_INTSTAT               0x2C
+#define TWD_WDOG_RESETSTAT             0x30
+#define TWD_WDOG_DISABLE               0x34
+
+#define TWD_TIMER_CONTROL_ENABLE       (1 << 0)
+#define TWD_TIMER_CONTROL_ONESHOT      (0 << 1)
+#define TWD_TIMER_CONTROL_PERIODIC     (1 << 1)
+#define TWD_TIMER_CONTROL_IT_ENABLE    (1 << 2)
+
 struct clock_event_device;
 
 extern void __iomem *twd_base;
index e085e2c545ebabad792dfa6e25fb149eb3cada27..bd863d8608cd04013e76e9b6ebde8225e0c078d7 100644 (file)
@@ -46,6 +46,9 @@
 #define TLB_V7_UIS_FULL (1 << 20)
 #define TLB_V7_UIS_ASID (1 << 21)
 
+/* Inner Shareable BTB operation (ARMv7 MP extensions) */
+#define TLB_V7_IS_BTB  (1 << 22)
+
 #define TLB_L2CLEAN_FR (1 << 29)               /* Feroceon */
 #define TLB_DCLEAN     (1 << 30)
 #define TLB_WB         (1 << 31)
 #endif
 
 #ifdef CONFIG_SMP
-#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
+#define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_V7_IS_BTB | \
                         TLB_V7_UIS_FULL | TLB_V7_UIS_PAGE | TLB_V7_UIS_ASID)
 #else
 #define v7wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \
@@ -339,6 +342,12 @@ static inline void local_flush_tlb_all(void)
                dsb();
                isb();
        }
+       if (tlb_flag(TLB_V7_IS_BTB)) {
+               /* flush the branch target cache */
+               asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
+               dsb();
+               isb();
+       }
 }
 
 static inline void local_flush_tlb_mm(struct mm_struct *mm)
@@ -376,6 +385,12 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
                asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
                dsb();
        }
+       if (tlb_flag(TLB_V7_IS_BTB)) {
+               /* flush the branch target cache */
+               asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
+               dsb();
+               isb();
+       }
 }
 
 static inline void
@@ -416,6 +431,12 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
                asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc");
                dsb();
        }
+       if (tlb_flag(TLB_V7_IS_BTB)) {
+               /* flush the branch target cache */
+               asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
+               dsb();
+               isb();
+       }
 }
 
 static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
@@ -454,6 +475,12 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
                dsb();
                isb();
        }
+       if (tlb_flag(TLB_V7_IS_BTB)) {
+               /* flush the branch target cache */
+               asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero) : "cc");
+               dsb();
+               isb();
+       }
 }
 
 /*
index ea02a7b1c244af0afd610f6fc00c7f836f72ae4d..7c5f0c024db7e468aba3a185bded3bf3fde7073a 100644 (file)
 #include <asm/smp_twd.h>
 #include <asm/hardware/gic.h>
 
-#define TWD_TIMER_LOAD                         0x00
-#define TWD_TIMER_COUNTER              0x04
-#define TWD_TIMER_CONTROL              0x08
-#define TWD_TIMER_INTSTAT              0x0C
-
-#define TWD_WDOG_LOAD                  0x20
-#define TWD_WDOG_COUNTER               0x24
-#define TWD_WDOG_CONTROL               0x28
-#define TWD_WDOG_INTSTAT               0x2C
-#define TWD_WDOG_RESETSTAT             0x30
-#define TWD_WDOG_DISABLE               0x34
-
-#define TWD_TIMER_CONTROL_ENABLE       (1 << 0)
-#define TWD_TIMER_CONTROL_ONESHOT      (0 << 1)
-#define TWD_TIMER_CONTROL_PERIODIC     (1 << 1)
-#define TWD_TIMER_CONTROL_IT_ENABLE    (1 << 2)
-
 /* set up by the platform code */
 void __iomem *twd_base;
 
index 5e3f99620c0440d7f73981cd325e938a0c2a2c27..14a0d988c82cb41ab88acd4d924bf75aa87efce3 100644 (file)
@@ -45,6 +45,7 @@ USER(         strnebt r2, [r0])
                mov     r0, #0
                ldmfd   sp!, {r1, pc}
 ENDPROC(__clear_user)
+ENDPROC(__clear_user_std)
 
                .pushsection .fixup,"ax"
                .align  0
index 027b69bdbad1b1db71319eb4f393d1dfea58e859..d066df686e17877c9e5efbbd57e07615398f6a0a 100644 (file)
@@ -93,6 +93,7 @@ WEAK(__copy_to_user)
 #include "copy_template.S"
 
 ENDPROC(__copy_to_user)
+ENDPROC(__copy_to_user_std)
 
        .pushsection .fixup,"ax"
        .align 0
index 122e61a9f505a6e3142a8a203c765f879ad53802..e8cb982f5e8ebe932e4f2ba131e2a3812eea1bcd 100644 (file)
@@ -410,7 +410,7 @@ static struct clk_lookup da830_clks[] = {
        CLK("davinci-mcasp.0",  NULL,           &mcasp0_clk),
        CLK("davinci-mcasp.1",  NULL,           &mcasp1_clk),
        CLK("davinci-mcasp.2",  NULL,           &mcasp2_clk),
-       CLK("musb_hdrc",        NULL,           &usb20_clk),
+       CLK(NULL,               "usb20",        &usb20_clk),
        CLK(NULL,               "aemif",        &aemif_clk),
        CLK(NULL,               "aintc",        &aintc_clk),
        CLK(NULL,               "secu_mgr",     &secu_mgr_clk),
index 9d89c67a1cc3902c32b5aed501d27f28b091695c..e46ecd8471383102b52e5c6475873f3f4bdfc65d 100644 (file)
@@ -211,6 +211,9 @@ v6_dma_inv_range:
        mcrne   p15, 0, r1, c7, c15, 1          @ clean & invalidate unified line
 #endif
 1:
+#ifdef CONFIG_SMP
+       str     r0, [r0]                        @ write for ownership
+#endif
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r0, c7, c6, 1           @ invalidate D line
 #else
@@ -231,6 +234,9 @@ v6_dma_inv_range:
 v6_dma_clean_range:
        bic     r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
+#ifdef CONFIG_SMP
+       ldr     r2, [r0]                        @ read for ownership
+#endif
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r0, c7, c10, 1          @ clean D line
 #else
@@ -251,6 +257,10 @@ v6_dma_clean_range:
 ENTRY(v6_dma_flush_range)
        bic     r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
+#ifdef CONFIG_SMP
+       ldr     r2, [r0]                        @ read for ownership
+       str     r2, [r0]                        @ write for ownership
+#endif
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line
 #else
@@ -273,7 +283,9 @@ ENTRY(v6_dma_map_area)
        add     r1, r1, r0
        teq     r2, #DMA_FROM_DEVICE
        beq     v6_dma_inv_range
-       b       v6_dma_clean_range
+       teq     r2, #DMA_TO_DEVICE
+       beq     v6_dma_clean_range
+       b       v6_dma_flush_range
 ENDPROC(v6_dma_map_area)
 
 /*
@@ -283,9 +295,6 @@ ENDPROC(v6_dma_map_area)
  *     - dir   - DMA direction
  */
 ENTRY(v6_dma_unmap_area)
-       add     r1, r1, r0
-       teq     r2, #DMA_TO_DEVICE
-       bne     v6_dma_inv_range
        mov     pc, lr
 ENDPROC(v6_dma_unmap_area)
 
index bcd64f265870804532dc6012274bca6e398a0622..06a90dcfc60a6f0cc0b88d5a02bfefdbfeb8610a 100644 (file)
@@ -167,7 +167,11 @@ ENTRY(v7_coherent_user_range)
        cmp     r0, r1
        blo     1b
        mov     r0, #0
+#ifdef CONFIG_SMP
+       mcr     p15, 0, r0, c7, c1, 6           @ invalidate BTB Inner Shareable
+#else
        mcr     p15, 0, r0, c7, c5, 6           @ invalidate BTB
+#endif
        dsb
        isb
        mov     pc, lr
index 9bfeb6b9509ad3480bd33a664e51b4f94311bfbb..33b327379f0756e14eff3d9f0cd23a2f022eb112 100644 (file)
@@ -65,6 +65,15 @@ void flush_dcache_page(struct page *page)
 }
 EXPORT_SYMBOL(flush_dcache_page);
 
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
+                      unsigned long uaddr, void *dst, const void *src,
+                      unsigned long len)
+{
+       memcpy(dst, src, len);
+       if (vma->vm_flags & VM_EXEC)
+               __cpuc_coherent_user_range(uaddr, uaddr + len);
+}
+
 void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset,
                                size_t size, unsigned int mtype)
 {
@@ -87,8 +96,8 @@ void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
-void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size,
-                           unsigned int mtype, void *caller)
+void __iomem *__arm_ioremap_caller(unsigned long phys_addr, size_t size,
+                                  unsigned int mtype, void *caller)
 {
        return __arm_ioremap(phys_addr, size, mtype);
 }
index 0cb1848bd876010a850edf2f9831cdf855f01c50..f3f288a9546d2a89f4f6d940c6387062ef8ff143 100644 (file)
@@ -50,7 +50,11 @@ ENTRY(v7wbi_flush_user_tlb_range)
        cmp     r0, r1
        blo     1b
        mov     ip, #0
+#ifdef CONFIG_SMP
+       mcr     p15, 0, ip, c7, c1, 6           @ flush BTAC/BTB Inner Shareable
+#else
        mcr     p15, 0, ip, c7, c5, 6           @ flush BTAC/BTB
+#endif
        dsb
        mov     pc, lr
 ENDPROC(v7wbi_flush_user_tlb_range)
@@ -79,7 +83,11 @@ ENTRY(v7wbi_flush_kern_tlb_range)
        cmp     r0, r1
        blo     1b
        mov     r2, #0
+#ifdef CONFIG_SMP
+       mcr     p15, 0, r2, c7, c1, 6           @ flush BTAC/BTB Inner Shareable
+#else
        mcr     p15, 0, r2, c7, c5, 6           @ flush BTAC/BTB
+#endif
        dsb
        isb
        mov     pc, lr
index b131c27ddf5785883a1c28a3078cf6f1bd5a5c0e..bbce6a1c6bb67b873918a32fc68e9a6ea1e5890b 100644 (file)
@@ -19,7 +19,7 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v, i)       (((v)->counter) = i)
 
 /*
index a6aca819e9f334050d6927146fa0a2941901c1e6..88dc9b9c4ba051f84988926c4ab304af8091bc27 100644 (file)
@@ -15,7 +15,7 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
 #define atomic_set(v,i) (((v)->counter) = (i))
 
 /* These should be written in asm but we do it in C for now. */
index 00a57af79afc6b7d6d45fd1046dd96abdf35184b..fae32c7fdcb6619c487f3786993c70b6b0481788 100644 (file)
@@ -36,7 +36,7 @@
 #define smp_mb__after_atomic_inc()     barrier()
 
 #define ATOMIC_INIT(i)         { (i) }
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v, i)       (((v)->counter) = (i))
 
 #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
index 33c8c0fa9583e0c2794cf0950006d824da961778..e936804b7508758112b853bfca42f9992ebadb44 100644 (file)
@@ -10,7 +10,7 @@
 
 #define ATOMIC_INIT(i) { (i) }
 
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v, i)       (((v)->counter) = i)
 
 #include <asm/system.h>
index 88405cb0832ae88e48f2770e5d8af797d519a346..4e1948447a00834969be528f7ac2a6a681ba1b44 100644 (file)
@@ -21,8 +21,8 @@
 #define ATOMIC_INIT(i)         ((atomic_t) { (i) })
 #define ATOMIC64_INIT(i)       ((atomic64_t) { (i) })
 
-#define atomic_read(v)         ((v)->counter)
-#define atomic64_read(v)       ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
+#define atomic64_read(v)       (*(volatile long *)&(v)->counter)
 
 #define atomic_set(v,i)                (((v)->counter) = (i))
 #define atomic64_set(v,i)      (((v)->counter) = (i))
index 63f0cf0f50dde3949725305e42fa6472971c6f45..d44a51e5271b7b5b10a5d8610ce1076f4e536be5 100644 (file)
@@ -26,7 +26,7 @@
  *
  * Atomically reads the value of @v.
  */
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
 
 /**
  * atomic_set - set atomic variable
index 6a0d7650f980fcdcbd5d5ab3b4547f4120bc65b8..11dd30b16b3bc35b19f1d1e1c5e7ad7e9d73531d 100644 (file)
@@ -2,6 +2,6 @@
 # Makefile for Linux arch/m68k/amiga source directory
 #
 
-obj-y          := config.o amiints.o cia.o chipram.o amisound.o
+obj-y          := config.o amiints.o cia.o chipram.o amisound.o platform.o
 
 obj-$(CONFIG_AMIGA_PCMCIA)     += pcmcia.o
diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
new file mode 100644 (file)
index 0000000..38f18bf
--- /dev/null
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (C) 2007-2009 Geert Uytterhoeven
+ *
+ * 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/init.h>
+#include <linux/platform_device.h>
+#include <linux/zorro.h>
+
+#include <asm/amigahw.h>
+
+
+#ifdef CONFIG_ZORRO
+
+static const struct resource zorro_resources[] __initconst = {
+       /* Zorro II regions (on Zorro II/III) */
+       {
+               .name   = "Zorro II exp",
+               .start  = 0x00e80000,
+               .end    = 0x00efffff,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .name   = "Zorro II mem",
+               .start  = 0x00200000,
+               .end    = 0x009fffff,
+               .flags  = IORESOURCE_MEM,
+       },
+       /* Zorro III regions (on Zorro III only) */
+       {
+               .name   = "Zorro III exp",
+               .start  = 0xff000000,
+               .end    = 0xffffffff,
+               .flags  = IORESOURCE_MEM,
+       }, {
+               .name   = "Zorro III cfg",
+               .start  = 0x40000000,
+               .end    = 0x7fffffff,
+               .flags  = IORESOURCE_MEM,
+       }
+};
+
+
+static int __init amiga_init_bus(void)
+{
+       if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
+               return -ENODEV;
+
+       platform_device_register_simple("amiga-zorro", -1, zorro_resources,
+                                       AMIGAHW_PRESENT(ZORRO3) ? 4 : 2);
+       return 0;
+}
+
+subsys_initcall(amiga_init_bus);
+
+#endif /* CONFIG_ZORRO */
+
+
+static int __init amiga_init_devices(void)
+{
+       if (!MACH_IS_AMIGA)
+               return -ENODEV;
+
+       /* video hardware */
+       if (AMIGAHW_PRESENT(AMI_VIDEO))
+               platform_device_register_simple("amiga-video", -1, NULL, 0);
+
+
+       /* sound hardware */
+       if (AMIGAHW_PRESENT(AMI_AUDIO))
+               platform_device_register_simple("amiga-audio", -1, NULL, 0);
+
+
+       /* storage interfaces */
+       if (AMIGAHW_PRESENT(AMI_FLOPPY))
+               platform_device_register_simple("amiga-floppy", -1, NULL, 0);
+
+       return 0;
+}
+
+device_initcall(amiga_init_devices);
index b46ea1714a890aa8aae707a7fe1315f3d594ec20..cb8617bb194ba638eed418f27aff8fa61a9e1591 100644 (file)
@@ -9,7 +9,6 @@
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
-#include <linux/smp_lock.h>
 #include <linux/ioport.h>
 #include <linux/capability.h>
 #include <linux/fcntl.h>
 static unsigned char days_in_mo[] =
 {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 
-static char rtc_status;
+static atomic_t rtc_status = ATOMIC_INIT(1);
 
-static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-                    unsigned long arg)
+static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        volatile RtcPtr_t rtc = (RtcPtr_t)BVME_RTC_BASE;
        unsigned char msr;
@@ -132,29 +130,20 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 }
 
 /*
- *     We enforce only one user at a time here with the open/close.
- *     Also clear the previous interrupt data on an open, and clean
- *     up things on a close.
+ * We enforce only one user at a time here with the open/close.
  */
-
 static int rtc_open(struct inode *inode, struct file *file)
 {
-       lock_kernel();
-       if(rtc_status) {
-               unlock_kernel();
+       if (!atomic_dec_and_test(&rtc_status)) {
+               atomic_inc(&rtc_status);
                return -EBUSY;
        }
-
-       rtc_status = 1;
-       unlock_kernel();
        return 0;
 }
 
 static int rtc_release(struct inode *inode, struct file *file)
 {
-       lock_kernel();
-       rtc_status = 0;
-       unlock_kernel();
+       atomic_inc(&rtc_status);
        return 0;
 }
 
@@ -163,9 +152,9 @@ static int rtc_release(struct inode *inode, struct file *file)
  */
 
 static const struct file_operations rtc_fops = {
-       .ioctl =        rtc_ioctl,
-       .open =         rtc_open,
-       .release =      rtc_release,
+       .unlocked_ioctl = rtc_ioctl,
+       .open           = rtc_open,
+       .release        = rtc_release,
 };
 
 static struct miscdevice rtc_dev = {
index f5b3d098b0f5e1295a7f2653941de23c387ec227..7b98242960de76b58da5cd7fb1e72d0985091c0b 100644 (file)
@@ -1,4 +1,2 @@
 extern void hp300_sched_init(irq_handler_t vector);
-extern unsigned long hp300_gettimeoffset (void);
-
-
+extern unsigned long hp300_gettimeoffset(void);
index d9d2ed6474356f244dd5d585bc5840a5c16a9f99..6a223b3f7e74abe9faeed1345901171bca95a114 100644 (file)
@@ -15,7 +15,7 @@
 
 #define ATOMIC_INIT(i) { (i) }
 
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v, i)       (((v)->counter) = i)
 
 static inline void atomic_add(int i, atomic_t *v)
index 5674cb9449bd81278fa67e319a0b66abca0efd39..289310c63a8a5c361fe2f659205bd827b9889e7c 100644 (file)
@@ -15,7 +15,7 @@
 
 #define ATOMIC_INIT(i) { (i) }
 
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v, i)       (((v)->counter) = i)
 
 static __inline__ void atomic_add(int i, atomic_t *v)
index 9bde784e7bad038a41d471a22af238587a998aad..b4ecdaada5201b11281f57548d36daf3fff16342 100644 (file)
@@ -365,6 +365,10 @@ static inline int minix_test_bit(int nr, const void *vaddr)
 #define ext2_set_bit_atomic(lock, nr, addr)    test_and_set_bit((nr) ^ 24, (unsigned long *)(addr))
 #define ext2_clear_bit(nr, addr)               __test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))
 #define ext2_clear_bit_atomic(lock, nr, addr)  test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))
+#define ext2_find_next_zero_bit(addr, size, offset) \
+       generic_find_next_zero_le_bit((unsigned long *)addr, size, offset)
+#define ext2_find_next_bit(addr, size, offset) \
+       generic_find_next_le_bit((unsigned long *)addr, size, offset)
 
 static inline int ext2_test_bit(int nr, const void *vaddr)
 {
@@ -394,10 +398,9 @@ static inline int ext2_find_first_zero_bit(const void *vaddr, unsigned size)
        return (p - addr) * 32 + res;
 }
 
-static inline int ext2_find_next_zero_bit(const void *vaddr, unsigned size,
-                                         unsigned offset)
+static inline unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
+               unsigned long size, unsigned long offset)
 {
-       const unsigned long *addr = vaddr;
        const unsigned long *p = addr + (offset >> 5);
        int bit = offset & 31UL, res;
 
@@ -437,10 +440,9 @@ static inline int ext2_find_first_bit(const void *vaddr, unsigned size)
        return (p - addr) * 32 + res;
 }
 
-static inline int ext2_find_next_bit(const void *vaddr, unsigned size,
-                                    unsigned offset)
+static inline unsigned long generic_find_next_le_bit(const unsigned long *addr,
+               unsigned long size, unsigned long offset)
 {
-       const unsigned long *addr = vaddr;
        const unsigned long *p = addr + (offset >> 5);
        int bit = offset & 31UL, res;
 
index 85c41b75aa78d5f3dfa57f7f78fde49680a1a819..36265ccf5c7b520577d3729db545cfc8ea1a8b6b 100644 (file)
@@ -1,26 +1,12 @@
 #ifndef _M68K_PARAM_H
 #define _M68K_PARAM_H
 
-#ifdef __KERNEL__
-# define HZ            CONFIG_HZ       /* Internal kernel timer frequency */
-# define USER_HZ       100             /* .. some user interfaces are in "ticks" */
-# define CLOCKS_PER_SEC        (USER_HZ)       /* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
 #ifdef __uClinux__
 #define EXEC_PAGESIZE  4096
 #else
 #define EXEC_PAGESIZE  8192
 #endif
 
-#ifndef NOGROUP
-#define NOGROUP                (-1)
-#endif
-
-#define MAXHOSTNAMELEN 64      /* max length of hostname */
+#include <asm-generic/param.h>
 
 #endif /* _M68K_PARAM_H */
index aacd6d17b83373b4bab02b0710e69978b5472c08..ada4f4cca811b6ea14e0406619d8d7181ae60b77 100644 (file)
@@ -455,7 +455,7 @@ static inline void access_error040(struct frame *fp)
 
                if (do_page_fault(&fp->ptregs, addr, errorcode)) {
 #ifdef DEBUG
-                       printk("do_page_fault() !=0 \n");
+                       printk("do_page_fault() !=0\n");
 #endif
                        if (user_mode(&fp->ptregs)){
                                /* delay writebacks after signal delivery */
index 0356da9bf763abacdb678c7af196a091fd7300d3..1c16b1baf8dbf9e7b03f22cd663192c83aa07cf7 100644 (file)
@@ -148,7 +148,7 @@ static void mac_cache_card_flush(int writeback)
 void __init config_mac(void)
 {
        if (!MACH_IS_MAC)
-               printk(KERN_ERR "ERROR: no Mac, but config_mac() called!! \n");
+               printk(KERN_ERR "ERROR: no Mac, but config_mac() called!!\n");
 
        mach_sched_init = mac_sched_init;
        mach_init_IRQ = mac_init_IRQ;
@@ -867,7 +867,7 @@ static void __init mac_identify(void)
         */
        iop_preinit();
 
-       printk(KERN_INFO "Detected Macintosh model: %d \n", model);
+       printk(KERN_INFO "Detected Macintosh model: %d\n", model);
 
        /*
         * Report booter data:
@@ -878,12 +878,12 @@ static void __init mac_identify(void)
                mac_bi_data.videoaddr, mac_bi_data.videorow,
                mac_bi_data.videodepth, mac_bi_data.dimensions & 0xFFFF,
                mac_bi_data.dimensions >> 16);
-       printk(KERN_DEBUG " Videological 0x%lx phys. 0x%lx, SCC at 0x%lx \n",
+       printk(KERN_DEBUG " Videological 0x%lx phys. 0x%lx, SCC at 0x%lx\n",
                mac_bi_data.videological, mac_orig_videoaddr,
                mac_bi_data.sccbase);
-       printk(KERN_DEBUG " Boottime: 0x%lx GMTBias: 0x%lx \n",
+       printk(KERN_DEBUG " Boottime: 0x%lx GMTBias: 0x%lx\n",
                mac_bi_data.boottime, mac_bi_data.gmtbias);
-       printk(KERN_DEBUG " Machine ID: %ld CPUid: 0x%lx memory size: 0x%lx \n",
+       printk(KERN_DEBUG " Machine ID: %ld CPUid: 0x%lx memory size: 0x%lx\n",
                mac_bi_data.id, mac_bi_data.cpuid, mac_bi_data.memsize);
 
        iop_init();
index d0e35cf99fc69a531cb0239277c3351525c13773..a96394a0333d3d3c82cd70fbd4beb4764b02f018 100644 (file)
@@ -154,7 +154,6 @@ good_area:
         * the fault.
         */
 
- survive:
        fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);
 #ifdef DEBUG
        printk("handle_mm_fault returns %d\n",fault);
@@ -180,15 +179,10 @@ good_area:
  */
 out_of_memory:
        up_read(&mm->mmap_sem);
-       if (is_global_init(current)) {
-               yield();
-               down_read(&mm->mmap_sem);
-               goto survive;
-       }
-
-       printk("VM: killing process %s\n", current->comm);
-       if (user_mode(regs))
-               do_group_exit(SIGKILL);
+       if (!user_mode(regs))
+               goto no_context;
+       pagefault_out_of_memory();
+       return 0;
 
 no_context:
        current->thread.signo = SIGBUS;
index 8da9c250d3e198e3a2b27d795b66ce9896fb13e1..11ac6f63967a24ac134e406d253400f3ff496bb0 100644 (file)
@@ -9,7 +9,6 @@
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
-#include <linux/smp_lock.h>
 #include <linux/ioport.h>
 #include <linux/capability.h>
 #include <linux/fcntl.h>
@@ -36,8 +35,7 @@ static const unsigned char days_in_mo[] =
 
 static atomic_t rtc_ready = ATOMIC_INIT(1);
 
-static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-                    unsigned long arg)
+static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        volatile MK48T08ptr_t rtc = (MK48T08ptr_t)MVME_RTC_BASE;
        unsigned long flags;
@@ -120,22 +118,15 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 }
 
 /*
- *     We enforce only one user at a time here with the open/close.
- *     Also clear the previous interrupt data on an open, and clean
- *     up things on a close.
+ * We enforce only one user at a time here with the open/close.
  */
-
 static int rtc_open(struct inode *inode, struct file *file)
 {
-       lock_kernel();
        if( !atomic_dec_and_test(&rtc_ready) )
        {
                atomic_inc( &rtc_ready );
-               unlock_kernel();
                return -EBUSY;
        }
-       unlock_kernel();
-
        return 0;
 }
 
@@ -150,9 +141,9 @@ static int rtc_release(struct inode *inode, struct file *file)
  */
 
 static const struct file_operations rtc_fops = {
-       .ioctl =        rtc_ioctl,
-       .open =         rtc_open,
-       .release =      rtc_release,
+       .unlocked_ioctl = rtc_ioctl,
+       .open           = rtc_open,
+       .release        = rtc_release,
 };
 
 static struct miscdevice rtc_dev=
index 31ab3f08bbda25ad37be9a26abeb3f511c25b554..ad10fecec2fe665d7dcf86936da97eae6bd25d0c 100644 (file)
@@ -126,7 +126,7 @@ static void q40_reset(void)
 {
         halted = 1;
         printk("\n\n*******************************************\n"
-               "Called q40_reset : press the RESET button!! \n"
+               "Called q40_reset : press the RESET button!!\n"
                "*******************************************\n");
        Q40_LED_ON();
        while (1)
index 446bec29b142bc5509a445f28146c166c756cb11..26460d15b338b65847bef4bd1925ca5a8ea40dff 100644 (file)
@@ -182,6 +182,39 @@ extern long __user_bad(void);
  * Returns zero on success, or -EFAULT on error.
  * On error, the variable @x is set to zero.
  */
+#define get_user(x, ptr)                                               \
+       __get_user_check((x), (ptr), sizeof(*(ptr)))
+
+#define __get_user_check(x, ptr, size)                                 \
+({                                                                     \
+       unsigned long __gu_val = 0;                                     \
+       const typeof(*(ptr)) __user *__gu_addr = (ptr);                 \
+       int __gu_err = 0;                                               \
+                                                                       \
+       if (access_ok(VERIFY_READ, __gu_addr, size)) {                  \
+               switch (size) {                                         \
+               case 1:                                                 \
+                       __get_user_asm("lbu", __gu_addr, __gu_val,      \
+                                      __gu_err);                       \
+                       break;                                          \
+               case 2:                                                 \
+                       __get_user_asm("lhu", __gu_addr, __gu_val,      \
+                                      __gu_err);                       \
+                       break;                                          \
+               case 4:                                                 \
+                       __get_user_asm("lw", __gu_addr, __gu_val,       \
+                                      __gu_err);                       \
+                       break;                                          \
+               default:                                                \
+                       __gu_err = __user_bad();                        \
+                       break;                                          \
+               }                                                       \
+       } else {                                                        \
+               __gu_err = -EFAULT;                                     \
+       }                                                               \
+       x = (typeof(*(ptr)))__gu_val;                                   \
+       __gu_err;                                                       \
+})
 
 #define __get_user(x, ptr)                                             \
 ({                                                                     \
@@ -206,12 +239,6 @@ extern long __user_bad(void);
 })
 
 
-#define get_user(x, ptr)                                               \
-({                                                                     \
-       access_ok(VERIFY_READ, (ptr), sizeof(*(ptr)))                   \
-               ? __get_user((x), (ptr)) : -EFAULT;                     \
-})
-
 #define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err)     \
 ({                                                             \
        __asm__ __volatile__ (                                  \
@@ -266,6 +293,42 @@ extern long __user_bad(void);
  *
  * Returns zero on success, or -EFAULT on error.
  */
+#define put_user(x, ptr)                                               \
+       __put_user_check((x), (ptr), sizeof(*(ptr)))
+
+#define __put_user_check(x, ptr, size)                                 \
+({                                                                     \
+       typeof(*(ptr)) __pu_val;                                        \
+       typeof(*(ptr)) __user *__pu_addr = (ptr);                       \
+       int __pu_err = 0;                                               \
+                                                                       \
+       __pu_val = (x);                                                 \
+       if (access_ok(VERIFY_WRITE, __pu_addr, size)) {                 \
+               switch (size) {                                         \
+               case 1:                                                 \
+                       __put_user_asm("sb", __pu_addr, __pu_val,       \
+                                      __pu_err);                       \
+                       break;                                          \
+               case 2:                                                 \
+                       __put_user_asm("sh", __pu_addr, __pu_val,       \
+                                      __pu_err);                       \
+                       break;                                          \
+               case 4:                                                 \
+                       __put_user_asm("sw", __pu_addr, __pu_val,       \
+                                      __pu_err);                       \
+                       break;                                          \
+               case 8:                                                 \
+                       __put_user_asm_8(__pu_addr, __pu_val, __pu_err);\
+                       break;                                          \
+               default:                                                \
+                       __pu_err = __user_bad();                        \
+                       break;                                          \
+               }                                                       \
+       } else {                                                        \
+               __pu_err = -EFAULT;                                     \
+       }                                                               \
+       __pu_err;                                                       \
+})
 
 #define __put_user(x, ptr)                                             \
 ({                                                                     \
@@ -290,18 +353,6 @@ extern long __user_bad(void);
        __gu_err;                                                       \
 })
 
-#ifndef CONFIG_MMU
-
-#define put_user(x, ptr)       __put_user((x), (ptr))
-
-#else /* CONFIG_MMU */
-
-#define put_user(x, ptr)                                               \
-({                                                                     \
-       access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr)))                  \
-               ? __put_user((x), (ptr)) : -EFAULT;                     \
-})
-#endif /* CONFIG_MMU */
 
 /* copy_to_from_user */
 #define __copy_from_user(to, from, n)  \
index 21c3a92394de998dd17452ffa1f0f1ede0351ba2..109876e8d643a3b51eb41a91e7fc8adb9e1a5ec9 100644 (file)
@@ -137,8 +137,9 @@ do {                                                                        \
 do {                                                                   \
        int step = -line_length;                                        \
        int align = ~(line_length - 1);                                 \
+       int count;                                                      \
        end = ((end & align) == end) ? end - line_length : end & align; \
-       int count = end - start;                                        \
+       count = end - start;                                            \
        WARN_ON(count < 0);                                             \
                                                                        \
        __asm__ __volatile__ (" 1:      " #op " %0, %1;                 \
index 391d6197fc3bbfb309f7bf1824c16ef80d2ca4cc..8cc18cd2cce6a6f34186597dd7a66013066fa2aa 100644 (file)
@@ -476,6 +476,8 @@ ENTRY(ret_from_fork)
        nop
 
 work_pending:
+       enable_irq
+
        andi    r11, r19, _TIF_NEED_RESCHED
        beqi    r11, 1f
        bralid  r15, schedule
index bc4dcb7d3861c50aff24b152f37655c80c937d95..ff85f77180355fe6ba8a6c5c1cdeecfa25b5fa75 100644 (file)
@@ -52,3 +52,14 @@ EXPORT_SYMBOL_GPL(_ebss);
 extern void _mcount(void);
 EXPORT_SYMBOL(_mcount);
 #endif
+
+/*
+ * Assembly functions that may be used (directly or indirectly) by modules
+ */
+EXPORT_SYMBOL(__copy_tofrom_user);
+EXPORT_SYMBOL(__strncpy_user);
+
+#ifdef CONFIG_OPT_LIB_ASM
+EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(memmove);
+#endif
index cbecf110dc30dbd584672b680dad3920448138fa..0e73f6606547ce03f1be8c048971b9de6275c3a0 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 
 #include <asm/pgtable.h>
+#include <asm/cacheflush.h>
 
 void *module_alloc(unsigned long size)
 {
@@ -151,6 +152,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
 int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
                struct module *module)
 {
+       flush_dcache();
        return 0;
 }
 
index f42c2dde8b1cbd1752e81cea5e671b9070de0e1c..cca3579d4268d07aab1910a463180f9dd271a4e6 100644 (file)
@@ -47,6 +47,7 @@ unsigned long memory_start;
 EXPORT_SYMBOL(memory_start);
 unsigned long memory_end; /* due to mm/nommu.c */
 unsigned long memory_size;
+EXPORT_SYMBOL(memory_size);
 
 /*
  * paging_init() sets up the page tables - in fact we've already done this.
index 784557fb28cfc5dac6e67b77e85fc865d3332bbf..59bf2335a4ce06a9691c02b6f683036579a1381e 100644 (file)
@@ -42,6 +42,7 @@
 
 unsigned long ioremap_base;
 unsigned long ioremap_bot;
+EXPORT_SYMBOL(ioremap_bot);
 
 /* The maximum lowmem defaults to 768Mb, but this can be configured to
  * another value.
index 01c8c97c15b772c6d0bde3e753ac620cbbb8902b..9cb782b8e036f763b09d61054652897da5c9141b 100644 (file)
@@ -1507,7 +1507,7 @@ void pcibios_finish_adding_to_bus(struct pci_bus *bus)
        pci_bus_add_devices(bus);
 
        /* Fixup EEH */
-       eeh_add_device_tree_late(bus);
+       /* eeh_add_device_tree_late(bus); */
 }
 EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus);
 
index 519197ede0898f2ce7bd0a3019fd4ac1f541d057..59dc0c7ef7334b2e28e4b508e03f84e8f2ea2aca 100644 (file)
@@ -29,7 +29,7 @@
  *
  * Atomically reads the value of @v.
  */
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 
 /*
  * atomic_set - set atomic variable
@@ -410,7 +410,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
  * @v: pointer of type atomic64_t
  *
  */
-#define atomic64_read(v)       ((v)->counter)
+#define atomic64_read(v)       (*(volatile long *)&(v)->counter)
 
 /*
  * atomic64_set - set atomic variable
index 49382d5e891a35a98b09be21abcdb13366b2cca9..c6e3c93ce7c7a5aad8267d88f8c0089301d1e239 100644 (file)
 #define FPU_CSR_COND6   0x40000000      /* $fcc6 */
 #define FPU_CSR_COND7   0x80000000      /* $fcc7 */
 
+/*
+ * Bits 18 - 20 of the FPU Status Register will be read as 0,
+ * and should be written as zero.
+ */
+#define FPU_CSR_RSVD   0x001c0000
+
 /*
  * X the exception cause indicator
  * E the exception enable
 #define FPU_CSR_UDF_S   0x00000008
 #define FPU_CSR_INE_S   0x00000004
 
-/* rounding mode */
+/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
+#define FPU_CSR_RM     0x00000003
 #define FPU_CSR_RN      0x0     /* nearest */
 #define FPU_CSR_RZ      0x1     /* towards zero */
 #define FPU_CSR_RU      0x2     /* towards +Infinity */
index 44337ba03717a573119659fcc94fec11c9564b61..a5297e2a353aede2279664446611de8100bf1f98 100644 (file)
@@ -385,7 +385,7 @@ EXPORT(sysn32_call_table)
        PTR     sys_fchmodat
        PTR     sys_faccessat
        PTR     compat_sys_pselect6
-       PTR     sys_ppoll                       /* 6265 */
+       PTR     compat_sys_ppoll                /* 6265 */
        PTR     sys_unshare
        PTR     sys_splice
        PTR     sys_sync_file_range
index 8f2f8e9d8b212ae5897c0aabee5dd35c46837680..f2338d1c0b4889a0bf216f1af9ac9e8adedb3ec1 100644 (file)
@@ -78,6 +78,9 @@ DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
 #define FPCREG_RID     0       /* $0  = revision id */
 #define FPCREG_CSR     31      /* $31 = csr */
 
+/* Determine rounding mode from the RM bits of the FCSR */
+#define modeindex(v) ((v) & FPU_CSR_RM)
+
 /* Convert Mips rounding mode (0..3) to IEEE library modes. */
 static const unsigned char ieee_rm[4] = {
        [FPU_CSR_RN] = IEEE754_RN,
@@ -384,10 +387,14 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                                        (void *) (xcp->cp0_epc),
                                        MIPSInst_RT(ir), value);
 #endif
-                               value &= (FPU_CSR_FLUSH | FPU_CSR_ALL_E | FPU_CSR_ALL_S | 0x03);
-                               ctx->fcr31 &= ~(FPU_CSR_FLUSH | FPU_CSR_ALL_E | FPU_CSR_ALL_S | 0x03);
-                               /* convert to ieee library modes */
-                               ctx->fcr31 |= (value & ~0x3) | ieee_rm[value & 0x3];
+
+                               /*
+                                * Don't write reserved bits,
+                                * and convert to ieee library modes
+                                */
+                               ctx->fcr31 = (value &
+                                               ~(FPU_CSR_RSVD | FPU_CSR_RM)) |
+                                               ieee_rm[modeindex(value)];
                        }
                        if ((ctx->fcr31 >> 5) & ctx->fcr31 & FPU_CSR_ALL_E) {
                                return SIGFPE;
index 29e2326b62577b3d2f6c5ae2a2620ce0e532d731..fa3bf661ae299c1ca8d4012851bd6530c4828888 100644 (file)
@@ -122,7 +122,7 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id)
         */
 
        /* Check whether the irq belongs to me */
-       enabled = read_c0_perfcnt() & LOONGSON2_PERFCNT_INT_EN;
+       enabled = read_c0_perfctrl() & LOONGSON2_PERFCNT_INT_EN;
        if (!enabled)
                return IRQ_NONE;
        enabled = reg.cnt1_enabled | reg.cnt2_enabled;
index 5bf5be9566dece295d8922a8c3c54aa9f5420615..e41222d6c2fd1a5d3a97a20482c09ff10b652eba 100644 (file)
@@ -31,7 +31,7 @@
  * Atomically reads the value of @v.  Note that the guaranteed
  * useful range of an atomic_t is only 24 bits.
  */
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
 
 /**
  * atomic_set - set atomic variable
index 716634d1f5466645c7e6028bda01ca1abd1aeeac..f81955934aebf4dbf0e97add2e45bb6cdc9042fa 100644 (file)
@@ -189,7 +189,7 @@ static __inline__ void atomic_set(atomic_t *v, int i)
 
 static __inline__ int atomic_read(const atomic_t *v)
 {
-       return v->counter;
+       return (*(volatile int *)&(v)->counter);
 }
 
 /* exported interface */
@@ -286,7 +286,7 @@ atomic64_set(atomic64_t *v, s64 i)
 static __inline__ s64
 atomic64_read(const atomic64_t *v)
 {
-       return v->counter;
+       return (*(volatile long *)&(v)->counter);
 }
 
 #define atomic64_add(i,v)      ((void)(__atomic64_add_return( ((s64)(i)),(v))))
index 9f4c9d4f5803d10638b159abf8202e4283e5bca6..bd100fcf40d0c1263e81e5d737e2ec6cfc32b025 100644 (file)
@@ -130,43 +130,5 @@ static inline int irqs_disabled_flags(unsigned long flags)
  */
 struct irq_chip;
 
-#ifdef CONFIG_PERF_EVENTS
-
-#ifdef CONFIG_PPC64
-static inline unsigned long test_perf_event_pending(void)
-{
-       unsigned long x;
-
-       asm volatile("lbz %0,%1(13)"
-               : "=r" (x)
-               : "i" (offsetof(struct paca_struct, perf_event_pending)));
-       return x;
-}
-
-static inline void set_perf_event_pending(void)
-{
-       asm volatile("stb %0,%1(13)" : :
-               "r" (1),
-               "i" (offsetof(struct paca_struct, perf_event_pending)));
-}
-
-static inline void clear_perf_event_pending(void)
-{
-       asm volatile("stb %0,%1(13)" : :
-               "r" (0),
-               "i" (offsetof(struct paca_struct, perf_event_pending)));
-}
-#endif /* CONFIG_PPC64 */
-
-#else  /* CONFIG_PERF_EVENTS */
-
-static inline unsigned long test_perf_event_pending(void)
-{
-       return 0;
-}
-
-static inline void clear_perf_event_pending(void) {}
-#endif /* CONFIG_PERF_EVENTS */
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_HW_IRQ_H */
index 957ceb7059c57a8a2bd7c5ffd9330a361baaf160..c09138d150d41eae784608074aa1416ff40265d5 100644 (file)
@@ -133,7 +133,6 @@ int main(void)
        DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr));
        DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
        DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
-       DEFINE(PACAPERFPEND, offsetof(struct paca_struct, perf_event_pending));
        DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
 #ifdef CONFIG_PPC_MM_SLICES
        DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
index 59c928564a038e490e260fb28862f022659d4d6f..4ff4da2c238bcd8585775cb4f2cb1432b89330c4 100644 (file)
@@ -1,7 +1,8 @@
 /*
  * Contains routines needed to support swiotlb for ppc.
  *
- * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc.
+ * Author: Becky Bruce
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -70,7 +71,7 @@ static int ppc_swiotlb_bus_notify(struct notifier_block *nb,
        sd->max_direct_dma_addr = 0;
 
        /* May need to bounce if the device can't address all of DRAM */
-       if (dma_get_mask(dev) < lmb_end_of_DRAM())
+       if ((dma_get_mask(dev) + 1) < lmb_end_of_DRAM())
                set_dma_ops(dev, &swiotlb_dma_ops);
 
        return NOTIFY_DONE;
index 07109d843787118dba501c5b9bb383912348417b..42e9d908914a0e47117cfe7f3dcc5fe50d215d98 100644 (file)
@@ -556,15 +556,6 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
 2:
        TRACE_AND_RESTORE_IRQ(r5);
 
-#ifdef CONFIG_PERF_EVENTS
-       /* check paca->perf_event_pending if we're enabling ints */
-       lbz     r3,PACAPERFPEND(r13)
-       and.    r3,r3,r5
-       beq     27f
-       bl      .perf_event_do_pending
-27:
-#endif /* CONFIG_PERF_EVENTS */
-
        /* extract EE bit and use it to restore paca->hard_enabled */
        ld      r3,_MSR(r1)
        rldicl  r4,r3,49,63             /* r0 = (r3 >> 15) & 1 */
index 64f6f2031c226901dc54105c7a0f433566e2846d..066bd31551d5414fb0a7a43ed85964c64665f042 100644 (file)
@@ -53,7 +53,6 @@
 #include <linux/bootmem.h>
 #include <linux/pci.h>
 #include <linux/debugfs.h>
-#include <linux/perf_event.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -145,11 +144,6 @@ notrace void raw_local_irq_restore(unsigned long en)
        }
 #endif /* CONFIG_PPC_STD_MMU_64 */
 
-       if (test_perf_event_pending()) {
-               clear_perf_event_pending();
-               perf_event_do_pending();
-       }
-
        /*
         * if (get_paca()->hard_enabled) return;
         * But again we need to take care that gcc gets hard_enabled directly
index 1b16b9a3e49a57dbc0e444e230528763b1faa762..0441bbdadbd12b0b41cf94c89bc401da7a642a1f 100644 (file)
@@ -532,25 +532,60 @@ void __init iSeries_time_init_early(void)
 }
 #endif /* CONFIG_PPC_ISERIES */
 
-#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_PPC32)
-DEFINE_PER_CPU(u8, perf_event_pending);
+#ifdef CONFIG_PERF_EVENTS
 
-void set_perf_event_pending(void)
+/*
+ * 64-bit uses a byte in the PACA, 32-bit uses a per-cpu variable...
+ */
+#ifdef CONFIG_PPC64
+static inline unsigned long test_perf_event_pending(void)
 {
-       get_cpu_var(perf_event_pending) = 1;
-       set_dec(1);
-       put_cpu_var(perf_event_pending);
+       unsigned long x;
+
+       asm volatile("lbz %0,%1(13)"
+               : "=r" (x)
+               : "i" (offsetof(struct paca_struct, perf_event_pending)));
+       return x;
 }
 
+static inline void set_perf_event_pending_flag(void)
+{
+       asm volatile("stb %0,%1(13)" : :
+               "r" (1),
+               "i" (offsetof(struct paca_struct, perf_event_pending)));
+}
+
+static inline void clear_perf_event_pending(void)
+{
+       asm volatile("stb %0,%1(13)" : :
+               "r" (0),
+               "i" (offsetof(struct paca_struct, perf_event_pending)));
+}
+
+#else /* 32-bit */
+
+DEFINE_PER_CPU(u8, perf_event_pending);
+
+#define set_perf_event_pending_flag()  __get_cpu_var(perf_event_pending) = 1
 #define test_perf_event_pending()      __get_cpu_var(perf_event_pending)
 #define clear_perf_event_pending()     __get_cpu_var(perf_event_pending) = 0
 
-#else  /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */
+#endif /* 32 vs 64 bit */
+
+void set_perf_event_pending(void)
+{
+       preempt_disable();
+       set_perf_event_pending_flag();
+       set_dec(1);
+       preempt_enable();
+}
+
+#else  /* CONFIG_PERF_EVENTS */
 
 #define test_perf_event_pending()      0
 #define clear_perf_event_pending()
 
-#endif /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */
+#endif /* CONFIG_PERF_EVENTS */
 
 /*
  * For iSeries shared processors, we have to let the hypervisor
@@ -582,10 +617,6 @@ void timer_interrupt(struct pt_regs * regs)
        set_dec(DECREMENTER_MAX);
 
 #ifdef CONFIG_PPC32
-       if (test_perf_event_pending()) {
-               clear_perf_event_pending();
-               perf_event_do_pending();
-       }
        if (atomic_read(&ppc_n_lost_interrupts) != 0)
                do_IRQ(regs);
 #endif
@@ -604,6 +635,11 @@ void timer_interrupt(struct pt_regs * regs)
 
        calculate_steal_time();
 
+       if (test_perf_event_pending()) {
+               clear_perf_event_pending();
+               perf_event_do_pending();
+       }
+
 #ifdef CONFIG_PPC_ISERIES
        if (firmware_has_feature(FW_FEATURE_ISERIES))
                get_lppaca()->int_dword.fields.decr_int = 0;
index 2570fcc7665ddd9376f2db851371efef80fa2045..812312542e50cd9b42d73df0b02168d5a678ac7e 100644 (file)
@@ -440,7 +440,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
        unsigned int gtlb_index;
 
        gtlb_index = kvmppc_get_gpr(vcpu, ra);
-       if (gtlb_index > KVM44x_GUEST_TLB_SIZE) {
+       if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) {
                printk("%s: index %d\n", __func__, gtlb_index);
                kvmppc_dump_vcpu(vcpu);
                return EMULATE_FAIL;
index 1bbcc499d455c87096b84f89bab35a629a5ab388..b8f8dc126102e7a0734eeb037376919e2a34ca62 100644 (file)
@@ -82,7 +82,7 @@ startup_continue:
 _ehead:
 
 #ifdef CONFIG_SHARED_KERNEL
-       .org    0x100000
+       .org    0x100000 - 0x11000      # head.o ends at 0x11000
 #endif
 
 #
index 1f70970de0aa2b0fae5f0c428475e21e82d73100..cdef68717416cedce7b46d41599bde1f2be9821c 100644 (file)
@@ -80,7 +80,7 @@ startup_continue:
 _ehead:
 
 #ifdef CONFIG_SHARED_KERNEL
-       .org    0x100000
+       .org    0x100000 - 0x11000      # head.o ends at 0x11000
 #endif
 
 #
index 33fdc5a7976472831185126e419a637807e48b1d..9f654da4cecc82377fcd0abf7bd7acfe617eec08 100644 (file)
@@ -640,7 +640,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 
 asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
 {
-       long ret;
+       long ret = 0;
 
        /* Do the secure computing check first. */
        secure_computing(regs->gprs[2]);
@@ -649,7 +649,6 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
         * The sysc_tracesys code in entry.S stored the system
         * call number to gprs[2].
         */
-       ret = regs->gprs[2];
        if (test_thread_flag(TIF_SYSCALL_TRACE) &&
            (tracehook_report_syscall_entry(regs) ||
             regs->gprs[2] >= NR_syscalls)) {
@@ -671,7 +670,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
                                    regs->gprs[2], regs->orig_gpr2,
                                    regs->gprs[3], regs->gprs[4],
                                    regs->gprs[5]);
-       return ret;
+       return ret ?: regs->gprs[2];
 }
 
 asmlinkage void do_syscall_trace_exit(struct pt_regs *regs)
index 275a448ae8c27bd38bb6cd19fbe7280d8b54198a..c7983124d99dfb6a31bfbf5233f48ba77a168119 100644 (file)
@@ -13,7 +13,7 @@
 
 #define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
 
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v,i)                ((v)->counter = (i))
 
 #if defined(CONFIG_GUSA_RB)
index f0d343c3b956580265210d4fb6a059f2bde2ddd4..7ae128b19d3f6552a847acf4cc0c707f9766f9c7 100644 (file)
@@ -25,7 +25,7 @@ extern int atomic_cmpxchg(atomic_t *, int, int);
 extern int atomic_add_unless(atomic_t *, int, int);
 extern void atomic_set(atomic_t *, int);
 
-#define atomic_read(v)          ((v)->counter)
+#define atomic_read(v)          (*(volatile int *)&(v)->counter)
 
 #define atomic_add(i, v)       ((void)__atomic_add_return( (int)(i), (v)))
 #define atomic_sub(i, v)       ((void)__atomic_add_return(-(int)(i), (v)))
index f2e48009989e1e57f552066d8ae9890264590d5c..2050ca02c4230cff6c447ee3d84c5f3e058cb24b 100644 (file)
@@ -13,8 +13,8 @@
 #define ATOMIC_INIT(i)         { (i) }
 #define ATOMIC64_INIT(i)       { (i) }
 
-#define atomic_read(v)         ((v)->counter)
-#define atomic64_read(v)       ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
+#define atomic64_read(v)       (*(volatile long *)&(v)->counter)
 
 #define atomic_set(v, i)       (((v)->counter) = i)
 #define atomic64_set(v, i)     (((v)->counter) = i)
index 8f8217b9bdac67a7312959cad211232f60fbb8ce..37b39d27abe01ad24aa2b2abfd60467ab0d063ce 100644 (file)
@@ -22,7 +22,7 @@
  */
 static inline int atomic_read(const atomic_t *v)
 {
-       return v->counter;
+       return (*(volatile int *)&(v)->counter);
 }
 
 /**
index 51c5b405692952bf9ed7e342ee724bfc202f4017..b014e235ea8dfc31f63520fcab82805dbdc8daa8 100644 (file)
@@ -18,7 +18,7 @@
  */
 static inline long atomic64_read(const atomic64_t *v)
 {
-       return v->counter;
+       return (*(volatile long *)&(v)->counter);
 }
 
 /**
index f70e60071fe80039e4d439cca6667f65729bcbd5..af00bd1d208934941f00ba7e911c20dd868a3f2b 100644 (file)
@@ -16,11 +16,16 @@ extern int k8_numa_init(unsigned long start_pfn, unsigned long end_pfn);
 extern int k8_scan_nodes(void);
 
 #ifdef CONFIG_K8_NB
+extern int num_k8_northbridges;
+
 static inline struct pci_dev *node_to_k8_nb_misc(int node)
 {
        return (node < num_k8_northbridges) ? k8_northbridges[node] : NULL;
 }
+
 #else
+#define num_k8_northbridges 0
+
 static inline struct pci_dev *node_to_k8_nb_misc(int node)
 {
        return NULL;
index b3eeb66c0a51af93e3d7015aa737ce3af66ed1e3..95962a93f99ac48d4a96e886cc4150d65fcc7877 100644 (file)
@@ -340,6 +340,10 @@ amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf)
             (boot_cpu_data.x86_mask  < 0x1)))
                return;
 
+       /* not in virtualized environments */
+       if (num_k8_northbridges == 0)
+               return;
+
        this_leaf->can_disable = true;
        this_leaf->l3_indices  = amd_calc_l3_indices();
 }
index b43bbaebe2c0884d009c4d07a30f2db64f6538b5..1658efdfb4e5a617b8919de37ca7ca61c4a4306f 100644 (file)
@@ -534,20 +534,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
        struct kprobe_ctlblk *kcb;
 
        addr = (kprobe_opcode_t *)(regs->ip - sizeof(kprobe_opcode_t));
-       if (*addr != BREAKPOINT_INSTRUCTION) {
-               /*
-                * The breakpoint instruction was removed right
-                * after we hit it.  Another cpu has removed
-                * either a probepoint or a debugger breakpoint
-                * at this address.  In either case, no further
-                * handling of this interrupt is appropriate.
-                * Back up over the (now missing) int3 and run
-                * the original instruction.
-                */
-               regs->ip = (unsigned long)addr;
-               return 1;
-       }
-
        /*
         * We don't want to be preempted for the entire
         * duration of kprobe processing. We conditionally
@@ -579,6 +565,19 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
                                setup_singlestep(p, regs, kcb, 0);
                        return 1;
                }
+       } else if (*addr != BREAKPOINT_INSTRUCTION) {
+               /*
+                * The breakpoint instruction was removed right
+                * after we hit it.  Another cpu has removed
+                * either a probepoint or a debugger breakpoint
+                * at this address.  In either case, no further
+                * handling of this interrupt is appropriate.
+                * Back up over the (now missing) int3 and run
+                * the original instruction.
+                */
+               regs->ip = (unsigned long)addr;
+               preempt_enable_no_resched();
+               return 1;
        } else if (kprobe_running()) {
                p = __get_cpu_var(current_kprobe);
                if (p->break_handler && p->break_handler(p, regs)) {
index 28ad9f4d8b94aa9743386f3f76f8f2e9634f6b10..0415c3ef91b575e3fbef8bc0870ad459769a5010 100644 (file)
@@ -546,11 +546,13 @@ static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c)
                 * check OSVW bit for CPUs that are not affected
                 * by erratum #400
                 */
-               rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val);
-               if (val >= 2) {
-                       rdmsrl(MSR_AMD64_OSVW_STATUS, val);
-                       if (!(val & BIT(1)))
-                               goto no_c1e_idle;
+               if (cpu_has(c, X86_FEATURE_OSVW)) {
+                       rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val);
+                       if (val >= 2) {
+                               rdmsrl(MSR_AMD64_OSVW_STATUS, val);
+                               if (!(val & BIT(1)))
+                                       goto no_c1e_idle;
+                       }
                }
                return 1;
        }
index 2ba58206812aab70d0b23fc0116deab3404ed347..737361fcd503e10091d0cb0e485ede146ec9a6f1 100644 (file)
@@ -2067,7 +2067,7 @@ static int cpuid_interception(struct vcpu_svm *svm)
 static int iret_interception(struct vcpu_svm *svm)
 {
        ++svm->vcpu.stat.nmi_window_exits;
-       svm->vmcb->control.intercept &= ~(1UL << INTERCEPT_IRET);
+       svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_IRET);
        svm->vcpu.arch.hflags |= HF_IRET_MASK;
        return 1;
 }
@@ -2479,7 +2479,7 @@ static void svm_inject_nmi(struct kvm_vcpu *vcpu)
 
        svm->vmcb->control.event_inj = SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_NMI;
        vcpu->arch.hflags |= HF_NMI_MASK;
-       svm->vmcb->control.intercept |= (1UL << INTERCEPT_IRET);
+       svm->vmcb->control.intercept |= (1ULL << INTERCEPT_IRET);
        ++vcpu->stat.nmi_injections;
 }
 
@@ -2539,10 +2539,10 @@ static void svm_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
 
        if (masked) {
                svm->vcpu.arch.hflags |= HF_NMI_MASK;
-               svm->vmcb->control.intercept |= (1UL << INTERCEPT_IRET);
+               svm->vmcb->control.intercept |= (1ULL << INTERCEPT_IRET);
        } else {
                svm->vcpu.arch.hflags &= ~HF_NMI_MASK;
-               svm->vmcb->control.intercept &= ~(1UL << INTERCEPT_IRET);
+               svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_IRET);
        }
 }
 
index bc933cfb4e66d7fff8af14a8a4d8beac2ce6fed3..2f8db0ec8ae4ae2f346f35d1cc670571b79b1f1f 100644 (file)
@@ -2703,8 +2703,7 @@ static int vmx_nmi_allowed(struct kvm_vcpu *vcpu)
                return 0;
 
        return  !(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
-                       (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS |
-                               GUEST_INTR_STATE_NMI));
+                       (GUEST_INTR_STATE_MOV_SS | GUEST_INTR_STATE_NMI));
 }
 
 static bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu)
index 3c4ca98ad27fe26fabf8d8529fc75be0a6971c67..c4f35b545c1d14452fc281d6a7405de55bfecb0b 100644 (file)
@@ -1712,6 +1712,7 @@ static int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
        if (copy_from_user(cpuid_entries, entries,
                           cpuid->nent * sizeof(struct kvm_cpuid_entry)))
                goto out_free;
+       vcpu_load(vcpu);
        for (i = 0; i < cpuid->nent; i++) {
                vcpu->arch.cpuid_entries[i].function = cpuid_entries[i].function;
                vcpu->arch.cpuid_entries[i].eax = cpuid_entries[i].eax;
@@ -1729,6 +1730,7 @@ static int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
        r = 0;
        kvm_apic_set_version(vcpu);
        kvm_x86_ops->cpuid_update(vcpu);
+       vcpu_put(vcpu);
 
 out_free:
        vfree(cpuid_entries);
@@ -1749,9 +1751,11 @@ static int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
        if (copy_from_user(&vcpu->arch.cpuid_entries, entries,
                           cpuid->nent * sizeof(struct kvm_cpuid_entry2)))
                goto out;
+       vcpu_load(vcpu);
        vcpu->arch.cpuid_nent = cpuid->nent;
        kvm_apic_set_version(vcpu);
        kvm_x86_ops->cpuid_update(vcpu);
+       vcpu_put(vcpu);
        return 0;
 
 out:
index 28c68762648f9e28e02a9bd598c613e9e953fc37..38512d0c4742a39ec989f3b3a413d078677850c5 100644 (file)
@@ -461,7 +461,8 @@ void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes)
                 * node, it must now point to the fake node ID.
                 */
                for (j = 0; j < MAX_LOCAL_APIC; j++)
-                       if (apicid_to_node[j] == nid)
+                       if (apicid_to_node[j] == nid &&
+                           fake_apicid_to_node[j] == NUMA_NO_NODE)
                                fake_apicid_to_node[j] = i;
        }
        for (i = 0; i < num_nodes; i++)
index 8bf2fcb88d0427ff5c63e37fab736355ecbc8332..1cdc02cf8fa49e159cdd4696766abad56b50c13b 100644 (file)
@@ -247,6 +247,10 @@ static void __devinit pci_fixed_bar_fixup(struct pci_dev *dev)
        u32 size;
        int i;
 
+       /* Must have extended configuration space */
+       if (dev->cfg_size < PCIE_CAP_OFFSET + 4)
+               return;
+
        /* Fixup the BAR sizes for fixed BAR devices and make them unmoveable */
        offset = fixed_bar_cap(dev->bus, dev->devfn);
        if (!offset || PCI_DEVFN(2, 0) == dev->devfn ||
index 22d6dde426192266c3915403f8a73785fef6f916..a96a0619d0b7ec630dc3cecf124a7389d6ce3cf3 100644 (file)
@@ -46,7 +46,7 @@
  *
  * Atomically reads the value of @v.
  */
-#define atomic_read(v)         ((v)->counter)
+#define atomic_read(v)         (*(volatile int *)&(v)->counter)
 
 /**
  * atomic_set - set atomic variable
index e2e992599e68b45bba9da87872c543eba17979cb..baa76bbf244a3ab338e9244a58591c3431ebdc75 100644 (file)
@@ -475,101 +475,13 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
        },
        {
        .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad X201",
+       .ident = "Lenovo ThinkPad X201[s]",
        .matches = {
                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
                },
        },
        {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad X201",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad T410",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad T510",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad W510",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad X201",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad X201",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad T410",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad T510",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad W510",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad X201",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
-               },
-       },
-       {
-       .callback = init_set_sci_en_on_resume,
-       .ident = "Lenovo ThinkPad X201",
-       .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-               DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201s"),
-               },
-       },
-       {
        .callback = init_old_suspend_ordering,
        .ident = "Panasonic CF51-2L",
        .matches = {
index 4b4b565c835f9c1c6da550fdb7d69ae27396fbf0..c5fbe198fbdb54eb269a0b8c0b3e94b6ba71e2fe 100644 (file)
@@ -187,7 +187,7 @@ EXPORT_SYMBOL_GPL(platform_device_alloc);
  * released.
  */
 int platform_device_add_resources(struct platform_device *pdev,
-                                 struct resource *res, unsigned int num)
+                                 const struct resource *res, unsigned int num)
 {
        struct resource *r;
 
@@ -367,7 +367,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
  */
 struct platform_device *platform_device_register_simple(const char *name,
                                                        int id,
-                                                       struct resource *res,
+                                                       const struct resource *res,
                                                        unsigned int num)
 {
        struct platform_device *pdev;
index 0182a22c423a910c7e70dfb41730d39b017da794..832798aa14f6318f34c053577c809a126038cf16 100644 (file)
@@ -66,6 +66,7 @@
 #include <linux/blkdev.h>
 #include <linux/elevator.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>
@@ -1696,34 +1697,18 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
        return get_disk(unit[drive].gendisk);
 }
 
-static int __init amiga_floppy_init(void)
+static int __init amiga_floppy_probe(struct platform_device *pdev)
 {
        int i, ret;
 
-       if (!MACH_IS_AMIGA)
-               return -ENODEV;
-
-       if (!AMIGAHW_PRESENT(AMI_FLOPPY))
-               return -ENODEV;
-
        if (register_blkdev(FLOPPY_MAJOR,"fd"))
                return -EBUSY;
 
-       /*
-        *  We request DSKPTR, DSKLEN and DSKDATA only, because the other
-        *  floppy registers are too spreaded over the custom register space
-        */
-       ret = -EBUSY;
-       if (!request_mem_region(CUSTOM_PHYSADDR+0x20, 8, "amiflop [Paula]")) {
-               printk("fd: cannot get floppy registers\n");
-               goto out_blkdev;
-       }
-
        ret = -ENOMEM;
        if ((raw_buf = (char *)amiga_chip_alloc (RAW_BUF_SIZE, "Floppy")) ==
            NULL) {
                printk("fd: cannot get chip mem buffer\n");
-               goto out_memregion;
+               goto out_blkdev;
        }
 
        ret = -EBUSY;
@@ -1792,18 +1777,13 @@ out_irq2:
        free_irq(IRQ_AMIGA_DSKBLK, NULL);
 out_irq:
        amiga_chip_free(raw_buf);
-out_memregion:
-       release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
 out_blkdev:
        unregister_blkdev(FLOPPY_MAJOR,"fd");
        return ret;
 }
 
-module_init(amiga_floppy_init);
-#ifdef MODULE
-
 #if 0 /* not safe to unload */
-void cleanup_module(void)
+static int __exit amiga_floppy_remove(struct platform_device *pdev)
 {
        int i;
 
@@ -1820,12 +1800,25 @@ void cleanup_module(void)
        custom.dmacon = DMAF_DISK; /* disable DMA */
        amiga_chip_free(raw_buf);
        blk_cleanup_queue(floppy_queue);
-       release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
        unregister_blkdev(FLOPPY_MAJOR, "fd");
 }
 #endif
 
-#else
+static struct platform_driver amiga_floppy_driver = {
+       .driver   = {
+               .name   = "amiga-floppy",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init amiga_floppy_init(void)
+{
+       return platform_driver_probe(&amiga_floppy_driver, amiga_floppy_probe);
+}
+
+module_init(amiga_floppy_init);
+
+#ifndef MODULE
 static int __init amiga_floppy_setup (char *str)
 {
        int n;
@@ -1840,3 +1833,5 @@ static int __init amiga_floppy_setup (char *str)
 
 __setup("floppy=", amiga_floppy_setup);
 #endif
+
+MODULE_ALIAS("platform:amiga-floppy");
index 8dfd24721a82156e6c7415ecd5274e7a2ad45780..78a62ebe75c72e02c2a9f2ba1ff6a469f63a07ea 100644 (file)
@@ -627,7 +627,6 @@ static irqreturn_t cd2401_rx_interrupt(int irq, void *dev_id)
        char data;
        int char_count;
        int save_cnt;
-       int len;
 
        /* determine the channel and change to that context */
        channel = (u_short) (base_addr[CyLICR] >> 2);
@@ -1528,7 +1527,6 @@ static int
 cy_ioctl(struct tty_struct *tty, struct file *file,
         unsigned int cmd, unsigned long arg)
 {
-       unsigned long val;
        struct cyclades_port *info = tty->driver_data;
        int ret_val = 0;
        void __user *argp = (void __user *)arg;
index 6da962c9b21c880262a883db546ea1c8c7a99764..d71f0fc34b467c6e7a7c25c0762321f90b7e3fa0 100644 (file)
@@ -1875,6 +1875,7 @@ got_driver:
                 */
                if (filp->f_op == &hung_up_tty_fops)
                        filp->f_op = &tty_fops;
+               unlock_kernel();
                goto retry_open;
        }
        unlock_kernel();
index 753219cf993ac4469d27085e9d54ded68f47ab0d..41a9388f2fde03917455e77a9d18149ba3f292dc 100644 (file)
@@ -80,8 +80,8 @@ static int it8761e_gpio_get(struct gpio_chip *gc, unsigned gpio_num)
        u16 reg;
        u8 bit;
 
-       bit = gpio_num % 7;
-       reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+       bit = gpio_num % 8;
+       reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
 
        return !!(inb(reg) & (1 << bit));
 }
@@ -91,8 +91,8 @@ static int it8761e_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num)
        u8 curr_dirs;
        u8 io_reg, bit;
 
-       bit = gpio_num % 7;
-       io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+       bit = gpio_num % 8;
+       io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
 
        spin_lock(&sio_lock);
 
@@ -116,8 +116,8 @@ static void it8761e_gpio_set(struct gpio_chip *gc,
        u8 curr_vals, bit;
        u16 reg;
 
-       bit = gpio_num % 7;
-       reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+       bit = gpio_num % 8;
+       reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
 
        spin_lock(&sio_lock);
 
@@ -135,8 +135,8 @@ static int it8761e_gpio_direction_out(struct gpio_chip *gc,
 {
        u8 curr_dirs, io_reg, bit;
 
-       bit = gpio_num % 7;
-       io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+       bit = gpio_num % 8;
+       io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
 
        it8761e_gpio_set(gc, gpio_num, val);
 
@@ -200,7 +200,7 @@ static int __init it8761e_gpio_init(void)
                return -EBUSY;
 
        it8761e_gpio_chip.base = -1;
-       it8761e_gpio_chip.ngpio = 14;
+       it8761e_gpio_chip.ngpio = 16;
 
        err = gpiochip_add(&it8761e_gpio_chip);
        if (err < 0)
index 2b8b969d0c15e029731b1bbe03b4adb63a077489..df6a9cd82c4d9a12d455cb2131d66d3fd8e7b1ec 100644 (file)
@@ -456,11 +456,15 @@ i915_error_object_create(struct drm_device *dev,
 
        for (page = 0; page < page_count; page++) {
                void *s, *d = kmalloc(PAGE_SIZE, GFP_ATOMIC);
+               unsigned long flags;
+
                if (d == NULL)
                        goto unwind;
-               s = kmap_atomic(src_priv->pages[page], KM_USER0);
+               local_irq_save(flags);
+               s = kmap_atomic(src_priv->pages[page], KM_IRQ0);
                memcpy(d, s, PAGE_SIZE);
-               kunmap_atomic(s, KM_USER0);
+               kunmap_atomic(s, KM_IRQ0);
+               local_irq_restore(flags);
                dst->pages[page] = d;
        }
        dst->page_count = page_count;
index 40ab6d9c3736ab754f07f55201eaa5252048df1f..cc5316dcf5802e602567ab21c52f688e322a4bea 100644 (file)
@@ -424,7 +424,7 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
                if ((*cmd & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
                    (*cmd & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
                        u32 *cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3);
-                       offset = *cmd << 10;
+                       offset = *cmd3 << 10;
                        if (radeon_check_and_fixup_offset
                            (dev_priv, file_priv, &offset)) {
                                DRM_ERROR("Invalid second packet offset\n");
@@ -2895,9 +2895,12 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
                        return rv;
                rv = drm_buffer_copy_from_user(cmdbuf->buffer, buffer,
                                                cmdbuf->bufsz);
-               if (rv)
+               if (rv) {
+                       drm_buffer_free(cmdbuf->buffer);
                        return rv;
-       }
+               }
+       } else
+               goto done;
 
        orig_nbox = cmdbuf->nbox;
 
@@ -2905,8 +2908,7 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
                int temp;
                temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
 
-               if (cmdbuf->bufsz != 0)
-                       drm_buffer_free(cmdbuf->buffer);
+               drm_buffer_free(cmdbuf->buffer);
 
                return temp;
        }
@@ -3012,16 +3014,15 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
                }
        }
 
-       if (cmdbuf->bufsz != 0)
-               drm_buffer_free(cmdbuf->buffer);
+       drm_buffer_free(cmdbuf->buffer);
 
+      done:
        DRM_DEBUG("DONE\n");
        COMMIT_RING();
        return 0;
 
       err:
-       if (cmdbuf->bufsz != 0)
-               drm_buffer_free(cmdbuf->buffer);
+       drm_buffer_free(cmdbuf->buffer);
        return -EINVAL;
 }
 
index 7e597d7f770fedb35284ef5a3d827cf01872559f..24663a8717b13bbc4e39657c082bf84b07a506bc 100644 (file)
@@ -59,6 +59,7 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 
 static const struct hid_device_id ch_devices[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
        { }
 };
 MODULE_DEVICE_TABLE(hid, ch_devices);
index 2e2aa759d230ebf80802120bdbe59f5357f1d8fa..143e788b729b1bdaadb4888e3568dac3a6714b0c 100644 (file)
@@ -1043,13 +1043,8 @@ void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
 
        if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
                hid->hiddev_report_event(hid, report);
-       if (hid->claimed & HID_CLAIMED_HIDRAW) {
-               /* numbered reports need to be passed with the report num */
-               if (report_enum->numbered)
-                       hidraw_report_event(hid, data - 1, size + 1);
-               else
-                       hidraw_report_event(hid, data, size);
-       }
+       if (hid->claimed & HID_CLAIMED_HIDRAW)
+               hidraw_report_event(hid, data, size);
 
        for (a = 0; a < report->maxfield; a++)
                hid_input_field(hid, report->field[a], cdata, interrupt);
@@ -1296,6 +1291,7 @@ static const struct hid_device_id hid_blacklist[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
        { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
index 797e064703563fcc9dc8cedf6aea1c5af3a26290..09d27649a0f7212e7948b0a2c6afdcad199001a1 100644 (file)
 
 #define USB_VENDOR_ID_CHERRY           0x046a
 #define USB_DEVICE_ID_CHERRY_CYMOTION  0x0023
+#define USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR    0x0027
 
 #define USB_VENDOR_ID_CHIC             0x05fe
 #define USB_DEVICE_ID_CHIC_GAMEPAD     0x0014
index 9b24fc510712fe17023969579f5d8261a154089d..4777bbfa1cc2d85c7c0a5fff21586566a59ef4b5 100644 (file)
@@ -1,8 +1,8 @@
 /*
  *  HID driver for N-Trig touchscreens
  *
- *  Copyright (c) 2008 Rafi Rubin
- *  Copyright (c) 2009 Stephane Chatty
+ *  Copyright (c) 2008-2010 Rafi Rubin
+ *  Copyright (c) 2009-2010 Stephane Chatty
  *
  */
 
@@ -15,6 +15,8 @@
 
 #include <linux/device.h>
 #include <linux/hid.h>
+#include <linux/usb.h>
+#include "usbhid/usbhid.h"
 #include <linux/module.h>
 #include <linux/slab.h>
 
 
 #define NTRIG_DUPLICATE_USAGES 0x001
 
-#define nt_map_key_clear(c)    hid_map_usage_clear(hi, usage, bit, max, \
-                                       EV_KEY, (c))
-
 struct ntrig_data {
        /* Incoming raw values for a single contact */
        __u16 x, y, w, h;
        __u16 id;
-       __u8 confidence;
+
+       bool tipswitch;
+       bool confidence;
+       bool first_contact_touch;
 
        bool reading_mt;
-       __u8 first_contact_confidence;
 
        __u8 mt_footer[4];
        __u8 mt_foot_count;
@@ -139,9 +140,10 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
                case 0xff000001:
                        /* Tag indicating the start of a multitouch group */
                        nd->reading_mt = 1;
-                       nd->first_contact_confidence = 0;
+                       nd->first_contact_touch = 0;
                        break;
                case HID_DG_TIPSWITCH:
+                       nd->tipswitch = value;
                        /* Prevent emission of touch until validated */
                        return 1;
                case HID_DG_CONFIDENCE:
@@ -169,8 +171,14 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
                         * to emit a normal (X, Y) position
                         */
                        if (!nd->reading_mt) {
+                               /*
+                                * TipSwitch indicates the presence of a
+                                * finger in single touch mode.
+                                */
+                               input_report_key(input, BTN_TOUCH,
+                                                nd->tipswitch);
                                input_report_key(input, BTN_TOOL_DOUBLETAP,
-                                                (nd->confidence != 0));
+                                                nd->tipswitch);
                                input_event(input, EV_ABS, ABS_X, nd->x);
                                input_event(input, EV_ABS, ABS_Y, nd->y);
                        }
@@ -209,7 +217,13 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 
                        /* emit a normal (X, Y) for the first point only */
                        if (nd->id == 0) {
-                               nd->first_contact_confidence = nd->confidence;
+                               /*
+                                * TipSwitch is superfluous in multitouch
+                                * mode.  The footer events tell us
+                                * if there is a finger on the screen or
+                                * not.
+                                */
+                               nd->first_contact_touch = nd->confidence;
                                input_event(input, EV_ABS, ABS_X, nd->x);
                                input_event(input, EV_ABS, ABS_Y, nd->y);
                        }
@@ -239,30 +253,11 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 
                        nd->reading_mt = 0;
 
-                       if (nd->first_contact_confidence) {
-                               switch (value) {
-                               case 0: /* for single touch devices */
-                               case 1:
-                                       input_report_key(input,
-                                                       BTN_TOOL_DOUBLETAP, 1);
-                                       break;
-                               case 2:
-                                       input_report_key(input,
-                                                       BTN_TOOL_TRIPLETAP, 1);
-                                       break;
-                               case 3:
-                               default:
-                                       input_report_key(input,
-                                                       BTN_TOOL_QUADTAP, 1);
-                               }
+                       if (nd->first_contact_touch) {
+                               input_report_key(input, BTN_TOOL_DOUBLETAP, 1);
                                input_report_key(input, BTN_TOUCH, 1);
                        } else {
-                               input_report_key(input,
-                                               BTN_TOOL_DOUBLETAP, 0);
-                               input_report_key(input,
-                                               BTN_TOOL_TRIPLETAP, 0);
-                               input_report_key(input,
-                                               BTN_TOOL_QUADTAP, 0);
+                               input_report_key(input, BTN_TOOL_DOUBLETAP, 0);
                                input_report_key(input, BTN_TOUCH, 0);
                        }
                        break;
@@ -286,6 +281,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
        struct ntrig_data *nd;
        struct hid_input *hidinput;
        struct input_dev *input;
+       struct hid_report *report;
 
        if (id->driver_data)
                hdev->quirks |= HID_QUIRK_MULTI_INPUT;
@@ -327,13 +323,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
                        __clear_bit(BTN_TOOL_PEN, input->keybit);
                        __clear_bit(BTN_TOOL_FINGER, input->keybit);
                        __clear_bit(BTN_0, input->keybit);
-                       /*
-                        * A little something special to enable
-                        * two and three finger taps.
-                        */
                        __set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
-                       __set_bit(BTN_TOOL_TRIPLETAP, input->keybit);
-                       __set_bit(BTN_TOOL_QUADTAP, input->keybit);
                        /*
                         * The physical touchscreen (single touch)
                         * input has a value for physical, whereas
@@ -349,6 +339,12 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
                }
        }
 
+       /* This is needed for devices with more recent firmware versions */
+       report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0x0a];
+       if (report)
+               usbhid_submit_report(hdev, report, USB_DIR_OUT);
+
+
        return 0;
 err_free:
        kfree(nd);
index 7502a4b2fa86170325d40318db60cca1324cf726..402d5574b5747a6e39b2b6c3bc3f1ec29e35a9f9 100644 (file)
@@ -76,7 +76,7 @@ static int sony_set_operational_usb(struct hid_device *hdev)
 
 static int sony_set_operational_bt(struct hid_device *hdev)
 {
-       unsigned char buf[] = { 0x53, 0xf4,  0x42, 0x03, 0x00, 0x00 };
+       unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
        return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
 }
 
index f7700cf497213bf1e3c4857dd699e0ae55c03f96..f947d8337e212ce8bff976996496e974912b59d1 100644 (file)
@@ -277,7 +277,6 @@ static int __init wacom_init(void)
        ret = hid_register_driver(&wacom_driver);
        if (ret)
                printk(KERN_ERR "can't register wacom driver\n");
-       printk(KERN_ERR "wacom driver registered\n");
        return ret;
 }
 
index 56d06cd8075b32f9cc6faec1f1909925f3f79c43..7b85b696fdabc372295d49234a14245ca14ba41f 100644 (file)
@@ -999,13 +999,6 @@ static int usbhid_start(struct hid_device *hid)
                }
        }
 
-       init_waitqueue_head(&usbhid->wait);
-       INIT_WORK(&usbhid->reset_work, hid_reset);
-       INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
-       setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
-
-       spin_lock_init(&usbhid->lock);
-
        usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
        if (!usbhid->urbctrl) {
                ret = -ENOMEM;
@@ -1179,6 +1172,12 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
        usbhid->intf = intf;
        usbhid->ifnum = interface->desc.bInterfaceNumber;
 
+       init_waitqueue_head(&usbhid->wait);
+       INIT_WORK(&usbhid->reset_work, hid_reset);
+       INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
+       setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
+       spin_lock_init(&usbhid->lock);
+
        ret = hid_add_device(hid);
        if (ret) {
                if (ret != -ENODEV)
index 0f28d91f29d8ef81c50b036bad0c84ca78e76bd8..f085c18d2905a602d465ef01a8d08b2a29467c28 100644 (file)
@@ -195,6 +195,9 @@ static unsigned int applesmc_accelerometer;
 /* Indicates whether this computer has light sensors and keyboard backlight. */
 static unsigned int applesmc_light;
 
+/* The number of fans handled by the driver */
+static unsigned int fans_handled;
+
 /* Indicates which temperature sensors set to use. */
 static unsigned int applesmc_temperature_set;
 
@@ -1492,39 +1495,24 @@ static int __init applesmc_init(void)
 
        /* create fan files */
        count = applesmc_get_fan_count();
-       if (count < 0) {
+       if (count < 0)
                printk(KERN_ERR "applesmc: Cannot get the number of fans.\n");
-       } else {
+       else
                printk(KERN_INFO "applesmc: %d fans found.\n", count);
 
-               switch (count) {
-               default:
-                       printk(KERN_WARNING "applesmc: More than 4 fans found,"
-                                       " but at most 4 fans are supported"
-                                               " by the driver.\n");
-               case 4:
-                       ret = sysfs_create_group(&pdev->dev.kobj,
-                                                &fan_attribute_groups[3]);
-                       if (ret)
-                               goto out_key_enumeration;
-               case 3:
-                       ret = sysfs_create_group(&pdev->dev.kobj,
-                                                &fan_attribute_groups[2]);
-                       if (ret)
-                               goto out_key_enumeration;
-               case 2:
-                       ret = sysfs_create_group(&pdev->dev.kobj,
-                                                &fan_attribute_groups[1]);
-                       if (ret)
-                               goto out_key_enumeration;
-               case 1:
-                       ret = sysfs_create_group(&pdev->dev.kobj,
-                                                &fan_attribute_groups[0]);
-                       if (ret)
-                               goto out_fan_1;
-               case 0:
-                       ;
-               }
+       if (count > 4) {
+               count = 4;
+               printk(KERN_WARNING "applesmc: More than 4 fans found,"
+                      " but at most 4 fans are supported"
+                      " by the driver.\n");
+       }
+
+       while (fans_handled < count) {
+               ret = sysfs_create_group(&pdev->dev.kobj,
+                                        &fan_attribute_groups[fans_handled]);
+               if (ret)
+                       goto out_fans;
+               fans_handled++;
        }
 
        for (i = 0;
@@ -1593,10 +1581,10 @@ out_accelerometer:
                applesmc_release_accelerometer();
 out_temperature:
        sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
-       sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]);
-out_fan_1:
-       sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]);
-out_key_enumeration:
+out_fans:
+       while (fans_handled)
+               sysfs_remove_group(&pdev->dev.kobj,
+                                  &fan_attribute_groups[--fans_handled]);
        sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group);
 out_name:
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr);
@@ -1622,8 +1610,9 @@ static void __exit applesmc_exit(void)
        if (applesmc_accelerometer)
                applesmc_release_accelerometer();
        sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
-       sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]);
-       sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]);
+       while (fans_handled)
+               sysfs_remove_group(&pdev->dev.kobj,
+                                  &fan_attribute_groups[--fans_handled]);
        sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group);
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr);
        platform_device_unregister(pdev);
index 7f948105d8addb79af23d7ec3e6c89b338cab79d..0f388adc61876cc3f0481de786289d724b1977a6 100644 (file)
@@ -268,8 +268,11 @@ static ssize_t store_fan16(struct device *dev,
        if (strict_strtol(buf, 10, &reqval))
                return -EINVAL;
 
+       /* If a minimum RPM of zero is requested, then we set the register to
+          0xffff. This value allows the fan to be stopped completely without
+          generating an alarm. */
        reqval =
-           (SENSORS_LIMIT((reqval) <= 0 ? 0 : 5400000 / (reqval), 0, 65534));
+           (reqval <= 0 ? 0xffff : SENSORS_LIMIT(5400000 / reqval, 0, 0xfffe));
 
        mutex_lock(&data->update_lock);
        data->reg[param->msb[0]] = (reqval >> 8) & 0xff;
@@ -285,8 +288,9 @@ static ssize_t store_fan16(struct device *dev,
  * Voltages are scaled in the device so that the nominal voltage
  * is 3/4ths of the 0-255 range (i.e. 192).
  * If all voltages are 'normal' then all voltage registers will
- * read 0xC0.  This doesn't help us if we don't have a point of refernce.
- * The data sheet however provides us with the full scale value for each
+ * read 0xC0.
+ *
+ * The data sheet provides us with the 3/4 scale value for each voltage
  * which is stored in in_scaling.  The sda->index parameter value provides
  * the index into in_scaling.
  *
@@ -295,7 +299,7 @@ static ssize_t store_fan16(struct device *dev,
  */
 
 static int asc7621_in_scaling[] = {
-       3320, 3000, 4380, 6640, 16000
+       2500, 2250, 3300, 5000, 12000
 };
 
 static ssize_t show_in10(struct device *dev, struct device_attribute *attr,
@@ -306,19 +310,12 @@ static ssize_t show_in10(struct device *dev, struct device_attribute *attr,
        u8 nr = sda->index;
 
        mutex_lock(&data->update_lock);
-       regval = (data->reg[param->msb[0]] * asc7621_in_scaling[nr]) / 256;
-
-       /* The LSB value is a 2-bit scaling of the MSB's LSbit value.
-        * I.E.  If the maximim voltage for this input is 6640 millivolts then
-        * a MSB register value of 0 = 0mv and 255 = 6640mv.
-        * A 1 step change therefore represents 25.9mv (6640 / 256).
-        * The extra 2-bits therefore represent increments of 6.48mv.
-        */
-       regval += ((asc7621_in_scaling[nr] / 256) / 4) *
-           (data->reg[param->lsb[0]] >> 6);
-
+       regval = (data->reg[param->msb[0]] << 8) | (data->reg[param->lsb[0]]);
        mutex_unlock(&data->update_lock);
 
+       /* The LSB value is a 2-bit scaling of the MSB's LSbit value. */
+       regval = (regval >> 6) * asc7621_in_scaling[nr] / (0xc0 << 2);
+
        return sprintf(buf, "%u\n", regval);
 }
 
@@ -331,7 +328,7 @@ static ssize_t show_in8(struct device *dev, struct device_attribute *attr,
 
        return sprintf(buf, "%u\n",
                       ((data->reg[param->msb[0]] *
-                        asc7621_in_scaling[nr]) / 256));
+                        asc7621_in_scaling[nr]) / 0xc0));
 }
 
 static ssize_t store_in8(struct device *dev, struct device_attribute *attr,
@@ -344,9 +341,11 @@ static ssize_t store_in8(struct device *dev, struct device_attribute *attr,
        if (strict_strtol(buf, 10, &reqval))
                return -EINVAL;
 
-       reqval = SENSORS_LIMIT(reqval, 0, asc7621_in_scaling[nr]);
+       reqval = SENSORS_LIMIT(reqval, 0, 0xffff);
+
+       reqval = reqval * 0xc0 / asc7621_in_scaling[nr];
 
-       reqval = (reqval * 255 + 128) / asc7621_in_scaling[nr];
+       reqval = SENSORS_LIMIT(reqval, 0, 0xff);
 
        mutex_lock(&data->update_lock);
        data->reg[param->msb[0]] = reqval;
@@ -846,11 +845,11 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8),
        PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8),
 
-       PREAD(in0_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 0, bitmask),
-       PREAD(in1_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 1, bitmask),
-       PREAD(in2_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 2, bitmask),
-       PREAD(in3_alarm, 3, PRI_LOW, 0x41, 0, 0x01, 3, bitmask),
-       PREAD(in4_alarm, 4, PRI_LOW, 0x42, 0, 0x01, 0, bitmask),
+       PREAD(in0_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 0, bitmask),
+       PREAD(in1_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 1, bitmask),
+       PREAD(in2_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 2, bitmask),
+       PREAD(in3_alarm, 3, PRI_HIGH, 0x41, 0, 0x01, 3, bitmask),
+       PREAD(in4_alarm, 4, PRI_HIGH, 0x42, 0, 0x01, 0, bitmask),
 
        PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16),
        PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16),
@@ -862,10 +861,10 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16),
        PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16),
 
-       PREAD(fan1_alarm, 0, PRI_LOW, 0x42, 0, 0x01, 0, bitmask),
-       PREAD(fan2_alarm, 1, PRI_LOW, 0x42, 0, 0x01, 1, bitmask),
-       PREAD(fan3_alarm, 2, PRI_LOW, 0x42, 0, 0x01, 2, bitmask),
-       PREAD(fan4_alarm, 3, PRI_LOW, 0x42, 0, 0x01, 3, bitmask),
+       PREAD(fan1_alarm, 0, PRI_HIGH, 0x42, 0, 0x01, 2, bitmask),
+       PREAD(fan2_alarm, 1, PRI_HIGH, 0x42, 0, 0x01, 3, bitmask),
+       PREAD(fan3_alarm, 2, PRI_HIGH, 0x42, 0, 0x01, 4, bitmask),
+       PREAD(fan4_alarm, 3, PRI_HIGH, 0x42, 0, 0x01, 5, bitmask),
 
        PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10),
        PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10),
@@ -886,10 +885,10 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8),
        PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8),
 
-       PREAD(temp1_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 4, bitmask),
-       PREAD(temp2_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 5, bitmask),
-       PREAD(temp3_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 6, bitmask),
-       PREAD(temp4_alarm, 3, PRI_LOW, 0x43, 0, 0x01, 0, bitmask),
+       PREAD(temp1_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 4, bitmask),
+       PREAD(temp2_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 5, bitmask),
+       PREAD(temp3_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 6, bitmask),
+       PREAD(temp4_alarm, 3, PRI_HIGH, 0x43, 0, 0x01, 0, bitmask),
 
        PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask),
        PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask),
@@ -898,7 +897,7 @@ static struct asc7621_param asc7621_params[] = {
 
        PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask),
        PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask),
-       PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x64, 0, 0x01, 3, bitmask),
+       PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x63, 0, 0x01, 3, bitmask),
        PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask),
 
        PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st),
index c8ab5051667217ab02321ec8a2a2d14db5a48104..7580f55e67e3cf1560437b428d9fb1e5b8e411d0 100644 (file)
@@ -328,8 +328,8 @@ static int lis3lv02d_remove(struct acpi_device *device, int type)
        lis3lv02d_joystick_disable();
        lis3lv02d_poweroff(&lis3_dev);
 
-       flush_work(&hpled_led.work);
        led_classdev_unregister(&hpled_led.led_classdev);
+       flush_work(&hpled_led.work);
 
        return lis3lv02d_remove_fs(&lis3_dev);
 }
index b1edd778639c6f1fb2985e782e7a731e42bca2cb..405febd94f243539e4847475b9d4a37f6ffb0733 100644 (file)
@@ -54,6 +54,9 @@ static signed short btn_avb_wheel[] =
 static signed short abs_joystick[] =
 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
 
+static signed short abs_joystick_rudder[] =
+{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 };
+
 static signed short abs_avb_pegasus[] =
 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
   ABS_HAT1X, ABS_HAT1Y, -1 };
@@ -76,8 +79,9 @@ static struct iforce_device iforce_device[] = {
        { 0x061c, 0xc0a4, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce }, //?
        { 0x061c, 0xc084, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce },
        { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",       btn_wheel, abs_wheel, ff_iforce }, //?
+       { 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback",        btn_joystick, abs_joystick_rudder, ff_iforce },
        { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",      btn_wheel, abs_wheel, ff_iforce }, //?
-       { 0x06f8, 0x0004, "Gullemot Jet Leader 3D",                     btn_joystick, abs_joystick, ff_iforce }, //?
+       { 0x06f8, 0xa302, "Guillemot Jet Leader 3D",                    btn_joystick, abs_joystick, ff_iforce }, //?
        { 0x06d6, 0x29bc, "Trust Force Feedback Race Master",           btn_wheel, abs_wheel, ff_iforce },
        { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]",         btn_joystick, abs_joystick, ff_iforce }
 };
index b41303d3ec54c339428e60cc4684b727050e4af8..6c96631ae5d9faff42fbe8e21969e78fca1133f4 100644 (file)
@@ -212,6 +212,7 @@ static struct usb_device_id iforce_usb_ids [] = {
        { USB_DEVICE(0x061c, 0xc0a4) },         /* ACT LABS Force RS */
        { USB_DEVICE(0x061c, 0xc084) },         /* ACT LABS Force RS */
        { USB_DEVICE(0x06f8, 0x0001) },         /* Guillemot Race Leader Force Feedback */
+       { USB_DEVICE(0x06f8, 0x0003) },         /* Guillemot Jet Leader Force Feedback */
        { USB_DEVICE(0x06f8, 0x0004) },         /* Guillemot Force Feedback Racing Wheel */
        { USB_DEVICE(0x06f8, 0xa302) },         /* Guillemot Jet Leader 3D */
        { }                                     /* Terminating entry */
index 0520c2e19927f63eeb2d057d0eb11dcacd4c81b1..112b4ee52ff261160d61ae03b4b1ecc72528df11 100644 (file)
@@ -185,7 +185,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
        int fingers;
        static int old_fingers;
 
-       if (etd->fw_version_maj == 0x01) {
+       if (etd->fw_version < 0x020000) {
                /*
                 * byte 0:  D   U  p1  p2   1  p3   R   L
                 * byte 1:  f   0  th  tw  x9  x8  y9  y8
@@ -227,7 +227,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
        input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
        input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
 
-       if ((etd->fw_version_maj == 0x01) &&
+       if (etd->fw_version < 0x020000 &&
            (etd->capabilities & ETP_CAP_HAS_ROCKER)) {
                /* rocker up */
                input_report_key(dev, BTN_FORWARD, packet[0] & 0x40);
@@ -321,7 +321,7 @@ static int elantech_check_parity_v1(struct psmouse *psmouse)
        unsigned char p1, p2, p3;
 
        /* Parity bits are placed differently */
-       if (etd->fw_version_maj == 0x01) {
+       if (etd->fw_version < 0x020000) {
                /* byte 0:  D   U  p1  p2   1  p3   R   L */
                p1 = (packet[0] & 0x20) >> 5;
                p2 = (packet[0] & 0x10) >> 4;
@@ -457,7 +457,7 @@ static void elantech_set_input_params(struct psmouse *psmouse)
        switch (etd->hw_version) {
        case 1:
                /* Rocker button */
-               if ((etd->fw_version_maj == 0x01) &&
+               if (etd->fw_version < 0x020000 &&
                    (etd->capabilities & ETP_CAP_HAS_ROCKER)) {
                        __set_bit(BTN_FORWARD, dev->keybit);
                        __set_bit(BTN_BACK, dev->keybit);
@@ -686,15 +686,14 @@ int elantech_init(struct psmouse *psmouse)
                pr_err("elantech.c: failed to query firmware version.\n");
                goto init_fail;
        }
-       etd->fw_version_maj = param[0];
-       etd->fw_version_min = param[2];
+
+       etd->fw_version = (param[0] << 16) | (param[1] << 8) | param[2];
 
        /*
         * Assume every version greater than this is new EeePC style
         * hardware with 6 byte packets
         */
-       if ((etd->fw_version_maj == 0x02 && etd->fw_version_min >= 0x30) ||
-           etd->fw_version_maj > 0x02) {
+       if (etd->fw_version >= 0x020030) {
                etd->hw_version = 2;
                /* For now show extra debug information */
                etd->debug = 1;
@@ -704,8 +703,9 @@ int elantech_init(struct psmouse *psmouse)
                etd->hw_version = 1;
                etd->paritycheck = 1;
        }
-       pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d\n",
-               etd->hw_version, etd->fw_version_maj, etd->fw_version_min);
+
+       pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d.%d\n",
+               etd->hw_version, param[0], param[1], param[2]);
 
        if (synaptics_send_cmd(psmouse, ETP_CAPABILITIES_QUERY, param)) {
                pr_err("elantech.c: failed to query capabilities.\n");
@@ -720,8 +720,8 @@ int elantech_init(struct psmouse *psmouse)
         * a touch action starts causing the mouse cursor or scrolled page
         * to jump. Enable a workaround.
         */
-       if (etd->fw_version_maj == 0x02 && etd->fw_version_min == 0x22) {
-               pr_info("elantech.c: firmware version 2.34 detected, "
+       if (etd->fw_version == 0x020022) {
+               pr_info("elantech.c: firmware version 2.0.34 detected, "
                        "enabling jumpy cursor workaround\n");
                etd->jumpy_cursor = 1;
        }
index feac5f7af966f5393b8dfaebeba2a7ceef31a70b..ac57bde1bb9f3e62fb3b891227521f0b63df3946 100644 (file)
@@ -100,11 +100,10 @@ struct elantech_data {
        unsigned char reg_26;
        unsigned char debug;
        unsigned char capabilities;
-       unsigned char fw_version_maj;
-       unsigned char fw_version_min;
-       unsigned char hw_version;
        unsigned char paritycheck;
        unsigned char jumpy_cursor;
+       unsigned char hw_version;
+       unsigned int  fw_version;
        unsigned char parity[256];
 };
 
index cbc807264940787fceca1dfe042cf9fb74a1f951..a3c97315a4730fd5b26fc2c87313ab14f6450aee 100644 (file)
@@ -1394,6 +1394,7 @@ static int psmouse_reconnect(struct serio *serio)
        struct psmouse *psmouse = serio_get_drvdata(serio);
        struct psmouse *parent = NULL;
        struct serio_driver *drv = serio->drv;
+       unsigned char type;
        int rc = -1;
 
        if (!drv || !psmouse) {
@@ -1413,10 +1414,15 @@ static int psmouse_reconnect(struct serio *serio)
        if (psmouse->reconnect) {
                if (psmouse->reconnect(psmouse))
                        goto out;
-       } else if (psmouse_probe(psmouse) < 0 ||
-                  psmouse->type != psmouse_extensions(psmouse,
-                                               psmouse_max_proto, false)) {
-               goto out;
+       } else {
+               psmouse_reset(psmouse);
+
+               if (psmouse_probe(psmouse) < 0)
+                       goto out;
+
+               type = psmouse_extensions(psmouse, psmouse_max_proto, false);
+               if (psmouse->type != type)
+                       goto out;
        }
 
        /* ok, the device type (and capabilities) match the old one,
index e019d53d1ab4249f4356a9ed75d1c0ab065fe3fb..0d2d7e54b465a2d06d63e777acb260f4698f0239 100644 (file)
@@ -156,9 +156,14 @@ struct ser_req {
        u16                     reset;
        u16                     ref_on;
        u16                     command;
-       u16                     sample;
        struct spi_message      msg;
        struct spi_transfer     xfer[6];
+
+       /*
+        * DMA (thus cache coherency maintenance) requires the
+        * transfer buffers to live in their own cache lines.
+        */
+       u16 sample ____cacheline_aligned;
 };
 
 struct ad7877 {
@@ -182,8 +187,6 @@ struct ad7877 {
        u8                      averaging;
        u8                      pen_down_acc_interval;
 
-       u16                     conversion_data[AD7877_NR_SENSE];
-
        struct spi_transfer     xfer[AD7877_NR_SENSE + 2];
        struct spi_message      msg;
 
@@ -195,6 +198,12 @@ struct ad7877 {
        spinlock_t              lock;
        struct timer_list       timer;          /* P: lock */
        unsigned                pending:1;      /* P: lock */
+
+       /*
+        * DMA (thus cache coherency maintenance) requires the
+        * transfer buffers to live in their own cache lines.
+        */
+       u16 conversion_data[AD7877_NR_SENSE] ____cacheline_aligned;
 };
 
 static int gpio3;
index a3d5728b64492e6ac3a0fabc1b8fa2fc1862aeb9..f2ab025ad97a3cad7532ad95b21684cf4561ff5e 100644 (file)
@@ -349,6 +349,9 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
                goto disable;
        }
 
+       /* If an interrupt arrived late clean up after it */
+       try_wait_for_completion(&wm831x->auxadc_done);
+
        /* Ignore the result to allow us to soldier on without IRQ hookup */
        wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5));
 
index e400a3bed06374786cf22974097b882e4434d218..b5807484b4c92424e04b7232c5ab41b3b020db95 100644 (file)
@@ -363,6 +363,10 @@ int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
        reg |= 1 << channel | WM8350_AUXADC_POLL;
        wm8350_reg_write(wm8350, WM8350_DIGITISER_CONTROL_1, reg);
 
+       /* If a late IRQ left the completion signalled then consume
+        * the completion. */
+       try_wait_for_completion(&wm8350->auxadc_done);
+
        /* We ignore the result of the completion and just check for a
         * conversion result, allowing us to soldier on if the IRQ
         * infrastructure is not set up for the chip. */
index a6dd7da37357a11667755d22d6898df8e3fc97e9..336d9f553f3e85ae6240b5a22c83ae0eb33fe3b0 100644 (file)
@@ -314,8 +314,8 @@ static void at91_mci_post_dma_read(struct at91mci_host *host)
                        dmabuf = (unsigned *)tmpv;
                }
 
+               flush_kernel_dcache_page(sg_page(sg));
                kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
-               dmac_flush_range((void *)sgbuffer, ((void *)sgbuffer) + amount);
                data->bytes_xfered += amount;
                if (size == 0)
                        break;
index 88be37d9e9a565c831c7d5ddf4e8832e96f5e899..fb279f4ed8b3591ca538276fd23739e9fbfb2ecb 100644 (file)
@@ -266,7 +266,7 @@ static int atmci_req_show(struct seq_file *s, void *v)
                                "CMD%u(0x%x) flg %x rsp %x %x %x %x err %d\n",
                                cmd->opcode, cmd->arg, cmd->flags,
                                cmd->resp[0], cmd->resp[1], cmd->resp[2],
-                               cmd->resp[2], cmd->error);
+                               cmd->resp[3], cmd->error);
                if (data)
                        seq_printf(s, "DATA %u / %u * %u flg %x err %d\n",
                                data->bytes_xfered, data->blocks,
@@ -276,7 +276,7 @@ static int atmci_req_show(struct seq_file *s, void *v)
                                "CMD%u(0x%x) flg %x rsp %x %x %x %x err %d\n",
                                stop->opcode, stop->arg, stop->flags,
                                stop->resp[0], stop->resp[1], stop->resp[2],
-                               stop->resp[2], stop->error);
+                               stop->resp[3], stop->error);
        }
 
        spin_unlock_bh(&slot->host->lock);
@@ -569,9 +569,10 @@ static void atmci_dma_cleanup(struct atmel_mci *host)
 {
        struct mmc_data                 *data = host->data;
 
-       dma_unmap_sg(&host->pdev->dev, data->sg, data->sg_len,
-                    ((data->flags & MMC_DATA_WRITE)
-                     ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
+       if (data)
+               dma_unmap_sg(&host->pdev->dev, data->sg, data->sg_len,
+                            ((data->flags & MMC_DATA_WRITE)
+                             ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
 }
 
 static void atmci_stop_dma(struct atmel_mci *host)
@@ -1099,8 +1100,8 @@ static void atmci_command_complete(struct atmel_mci *host,
                        "command error: status=0x%08x\n", status);
 
                if (cmd->data) {
-                       host->data = NULL;
                        atmci_stop_dma(host);
+                       host->data = NULL;
                        mci_writel(host, IDR, MCI_NOTBUSY
                                        | MCI_TXRDY | MCI_RXRDY
                                        | ATMCI_DATA_ERROR_FLAGS);
@@ -1293,6 +1294,7 @@ static void atmci_tasklet_func(unsigned long priv)
                        } else {
                                data->bytes_xfered = data->blocks * data->blksz;
                                data->error = 0;
+                               mci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS);
                        }
 
                        if (!data->stop) {
@@ -1751,13 +1753,13 @@ static int __init atmci_probe(struct platform_device *pdev)
        ret = -ENODEV;
        if (pdata->slot[0].bus_width) {
                ret = atmci_init_slot(host, &pdata->slot[0],
-                               MCI_SDCSEL_SLOT_A, 0);
+                               0, MCI_SDCSEL_SLOT_A);
                if (!ret)
                        nr_slots++;
        }
        if (pdata->slot[1].bus_width) {
                ret = atmci_init_slot(host, &pdata->slot[1],
-                               MCI_SDCSEL_SLOT_B, 1);
+                               1, MCI_SDCSEL_SLOT_B);
                if (!ret)
                        nr_slots++;
        }
index ed5e9742be2c5c18d44f72c07dde4b26a9a4a046..a8f0512bad38a0035d92f934670f2765a47a5537 100644 (file)
@@ -674,6 +674,7 @@ static struct zorro_device_id a2065_zorro_tbl[] __devinitdata = {
        { ZORRO_PROD_AMERISTAR_A2065 },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl);
 
 static struct zorro_driver a2065_driver = {
        .name           = "a2065",
index fa1a2354f5f99f78b8c45ffb3e4a2e07ca82fff6..4b30a46486e2561333c58b1280b324abd286ad70 100644 (file)
@@ -145,6 +145,7 @@ static struct zorro_device_id ariadne_zorro_tbl[] __devinitdata = {
     { ZORRO_PROD_VILLAGE_TRONIC_ARIADNE },
     { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, ariadne_zorro_tbl);
 
 static struct zorro_driver ariadne_driver = {
     .name      = "ariadne",
index 4e97ca182997e68f242050e3990deb6339c38a88..5d3763fb3472c4247933dec887767643728b693b 100644 (file)
@@ -1649,6 +1649,7 @@ static void free_skb_resources(struct gfar_private *priv)
                        sizeof(struct rxbd8) * priv->total_rx_ring_size,
                        priv->tx_queue[0]->tx_bd_base,
                        priv->tx_queue[0]->tx_bd_dma_base);
+       skb_queue_purge(&priv->rx_recycle);
 }
 
 void gfar_start(struct net_device *dev)
@@ -2088,7 +2089,6 @@ static int gfar_close(struct net_device *dev)
 
        disable_napi(priv);
 
-       skb_queue_purge(&priv->rx_recycle);
        cancel_work_sync(&priv->reset_task);
        stop_gfar(dev);
 
index 24724b4ad7096fc31ada3c8b0f4ff8078189f23e..07d8e5b634f36caeec8e8df868e3ab586807c774 100644 (file)
@@ -71,6 +71,7 @@ static struct zorro_device_id hydra_zorro_tbl[] __devinitdata = {
     { ZORRO_PROD_HYDRA_SYSTEMS_AMIGANET },
     { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, hydra_zorro_tbl);
 
 static struct zorro_driver hydra_driver = {
     .name      = "hydra",
index 0cd80e4d71d9fba60d73f71cb797cd615c98273b..e67691dca4abae73c501a9d0050a4e1b90903c14 100644 (file)
@@ -32,6 +32,7 @@ static int kszphy_config_init(struct phy_device *phydev)
 
 static struct phy_driver ks8001_driver = {
        .phy_id         = PHY_ID_KS8001,
+       .name           = "Micrel KS8001",
        .phy_id_mask    = 0x00fffff0,
        .features       = PHY_BASIC_FEATURES,
        .flags          = PHY_POLL,
index f9f0730b53d5d411c3f79fc813c8890c87c88f03..5ec542dd5b5007825cf47991cab64894623767ec 100644 (file)
@@ -187,7 +187,6 @@ tx_drop:
        return NETDEV_TX_OK;
 
 rx_drop:
-       kfree_skb(skb);
        rcv_stats->rx_dropped++;
        return NETDEV_TX_OK;
 }
index 99a6da464bd377caf51059c2f9869420161cf317..e1c2fcaa8bed92889a3cc30d0dd8fcd6c3bffb00 100644 (file)
@@ -727,12 +727,16 @@ static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
 {
        struct device *parent = aru->udev->dev.parent;
 
+       complete(&aru->firmware_loading_complete);
+
        /* unbind anything failed */
        if (parent)
                down(&parent->sem);
        device_release_driver(&aru->udev->dev);
        if (parent)
                up(&parent->sem);
+
+       usb_put_dev(aru->udev);
 }
 
 static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
@@ -761,6 +765,8 @@ static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
        if (err)
                goto err_unrx;
 
+       complete(&aru->firmware_loading_complete);
+       usb_put_dev(aru->udev);
        return;
 
  err_unrx:
@@ -858,6 +864,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
        init_usb_anchor(&aru->tx_pending);
        init_usb_anchor(&aru->tx_submitted);
        init_completion(&aru->cmd_wait);
+       init_completion(&aru->firmware_loading_complete);
        spin_lock_init(&aru->tx_urb_lock);
 
        aru->tx_pending_urbs = 0;
@@ -877,6 +884,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
        if (err)
                goto err_freehw;
 
+       usb_get_dev(aru->udev);
        return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw",
                                       &aru->udev->dev, GFP_KERNEL, aru,
                                       ar9170_usb_firmware_step2);
@@ -896,6 +904,9 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
                return;
 
        aru->common.state = AR9170_IDLE;
+
+       wait_for_completion(&aru->firmware_loading_complete);
+
        ar9170_unregister(&aru->common);
        ar9170_usb_cancel_urbs(aru);
 
index a2ce3b169ceb3ea43757716ef03716114678506a..919b06046eb3eb5390550d04a804fef8c434dee2 100644 (file)
@@ -71,6 +71,7 @@ struct ar9170_usb {
        unsigned int tx_pending_urbs;
 
        struct completion cmd_wait;
+       struct completion firmware_loading_complete;
        int readlen;
        u8 *readbuf;
 
index 6383d9f8c9b3e561cadfaf5dd322e532b364a192..f4e59ae07f8e5a70c0d4e39ab57af34b64bf753d 100644 (file)
@@ -2621,7 +2621,9 @@ struct iwl_ssid_ie {
 #define PROBE_OPTION_MAX_3945          4
 #define PROBE_OPTION_MAX               20
 #define TX_CMD_LIFE_TIME_INFINITE      cpu_to_le32(0xFFFFFFFF)
-#define IWL_GOOD_CRC_TH                        cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_DISABLED       0
+#define IWL_GOOD_CRC_TH_DEFAULT                cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_NEVER          cpu_to_le16(0xffff)
 #define IWL_MAX_SCAN_SIZE 1024
 #define IWL_MAX_CMD_SIZE 4096
 #define IWL_MAX_PROBE_REQUEST          200
index 12e455a4b90e94a3d36f0546eebbeec3b2f7c42a..741e65ec8301dce638b5952378d832a0ef7457c0 100644 (file)
@@ -813,16 +813,29 @@ static void iwl_bg_request_scan(struct work_struct *data)
                        rate = IWL_RATE_1M_PLCP;
                        rate_flags = RATE_MCS_CCK_MSK;
                }
-               scan->good_CRC_th = 0;
+               scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
        } else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) {
                band = IEEE80211_BAND_5GHZ;
                rate = IWL_RATE_6M_PLCP;
                /*
-                * If active scaning is requested but a certain channel
-                * is marked passive, we can do active scanning if we
-                * detect transmissions.
+                * If active scanning is requested but a certain channel is
+                * marked passive, we can do active scanning if we detect
+                * transmissions.
+                *
+                * There is an issue with some firmware versions that triggers
+                * a sysassert on a "good CRC threshold" of zero (== disabled),
+                * on a radar channel even though this means that we should NOT
+                * send probes.
+                *
+                * The "good CRC threshold" is the number of frames that we
+                * need to receive during our dwell time on a channel before
+                * sending out probes -- setting this to a huge value will
+                * mean we never reach it, but at the same time work around
+                * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
+                * here instead of IWL_GOOD_CRC_TH_DISABLED.
                 */
-               scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+               scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+                                               IWL_GOOD_CRC_TH_NEVER;
 
                /* Force use of chains B and C (0x6) for scan Rx for 4965
                 * Avoid A (0x1) because of its off-channel reception on A-band.
index b55e4f39a9e17ef13d71c8657bf4f7915c08668f..b74a56c48d2698eeda2007afa0db58b9383526fd 100644 (file)
@@ -2967,7 +2967,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
                 * is marked passive, we can do active scanning if we
                 * detect transmissions.
                 */
-               scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+               scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+                                               IWL_GOOD_CRC_TH_DISABLED;
                band = IEEE80211_BAND_5GHZ;
        } else {
                IWL_WARN(priv, "Invalid scan band count\n");
index 81c753a617ab93ab793b724428c9c0c97646da84..9548cbb5012a69305b799d6fc68664f072fc3bd5 100644 (file)
@@ -102,6 +102,7 @@ static struct zorro_device_id zorro8390_zorro_tbl[] __devinitdata = {
     { ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, },
     { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, zorro8390_zorro_tbl);
 
 static struct zorro_driver zorro8390_driver = {
     .name      = "zorro8390",
index 4fe36d2e104930cc99cc7014b27614277d75c9f8..19b111383f62fe63c9859dfd509de2cda3801d9e 100644 (file)
@@ -838,65 +838,11 @@ static void pci_bus_dump_resources(struct pci_bus *bus)
        }
 }
 
-static int __init pci_bus_get_depth(struct pci_bus *bus)
-{
-       int depth = 0;
-       struct pci_dev *dev;
-
-       list_for_each_entry(dev, &bus->devices, bus_list) {
-               int ret;
-               struct pci_bus *b = dev->subordinate;
-               if (!b)
-                       continue;
-
-               ret = pci_bus_get_depth(b);
-               if (ret + 1 > depth)
-                       depth = ret + 1;
-       }
-
-       return depth;
-}
-static int __init pci_get_max_depth(void)
-{
-       int depth = 0;
-       struct pci_bus *bus;
-
-       list_for_each_entry(bus, &pci_root_buses, node) {
-               int ret;
-
-               ret = pci_bus_get_depth(bus);
-               if (ret > depth)
-                       depth = ret;
-       }
-
-       return depth;
-}
-
-/*
- * first try will not touch pci bridge res
- * second  and later try will clear small leaf bridge res
- * will stop till to the max  deepth if can not find good one
- */
 void __init
 pci_assign_unassigned_resources(void)
 {
        struct pci_bus *bus;
-       int tried_times = 0;
-       enum release_type rel_type = leaf_only;
-       struct resource_list_x head, *list;
-       unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
-                                 IORESOURCE_PREFETCH;
-       unsigned long failed_type;
-       int max_depth = pci_get_max_depth();
-       int pci_try_num;
 
-       head.next = NULL;
-
-       pci_try_num = max_depth + 1;
-       printk(KERN_DEBUG "PCI: max bus depth: %d pci_try_num: %d\n",
-                max_depth, pci_try_num);
-
-again:
        /* Depth first, calculate sizes and alignments of all
           subordinate buses. */
        list_for_each_entry(bus, &pci_root_buses, node) {
@@ -904,65 +850,9 @@ again:
        }
        /* Depth last, allocate resources and update the hardware. */
        list_for_each_entry(bus, &pci_root_buses, node) {
-               __pci_bus_assign_resources(bus, &head);
-       }
-       tried_times++;
-
-       /* any device complain? */
-       if (!head.next)
-               goto enable_and_dump;
-       failed_type = 0;
-       for (list = head.next; list;) {
-               failed_type |= list->flags;
-               list = list->next;
-       }
-       /*
-        * io port are tight, don't try extra
-        * or if reach the limit, don't want to try more
-        */
-       failed_type &= type_mask;
-       if ((failed_type == IORESOURCE_IO) || (tried_times >= pci_try_num)) {
-               free_failed_list(&head);
-               goto enable_and_dump;
-       }
-
-       printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n",
-                        tried_times + 1);
-
-       /* third times and later will not check if it is leaf */
-       if ((tried_times + 1) > 2)
-               rel_type = whole_subtree;
-
-       /*
-        * Try to release leaf bridge's resources that doesn't fit resource of
-        * child device under that bridge
-        */
-       for (list = head.next; list;) {
-               bus = list->dev->bus;
-               pci_bus_release_bridge_resources(bus, list->flags & type_mask,
-                                                 rel_type);
-               list = list->next;
-       }
-       /* restore size and flags */
-       for (list = head.next; list;) {
-               struct resource *res = list->res;
-
-               res->start = list->start;
-               res->end = list->end;
-               res->flags = list->flags;
-               if (list->dev->subordinate)
-                       res->flags = 0;
-
-               list = list->next;
-       }
-       free_failed_list(&head);
-
-       goto again;
-
-enable_and_dump:
-       /* Depth last, update the hardware. */
-       list_for_each_entry(bus, &pci_root_buses, node)
+               pci_bus_assign_resources(bus);
                pci_enable_bridges(bus);
+       }
 
        /* dump the resource on buses */
        list_for_each_entry(bus, &pci_root_buses, node) {
index acf222f91f5a97ac0564c25a5bea9386466d045b..fa2339cb1681f43fb19e337ad037f75d908b8d89 100644 (file)
@@ -37,6 +37,9 @@
  */
 #define DASD_CHANQ_MAX_SIZE 4
 
+#define DASD_SLEEPON_START_TAG (void *) 1
+#define DASD_SLEEPON_END_TAG   (void *) 2
+
 /*
  * SECTION: exported variables of dasd.c
  */
@@ -1472,7 +1475,10 @@ void dasd_add_request_tail(struct dasd_ccw_req *cqr)
  */
 static void dasd_wakeup_cb(struct dasd_ccw_req *cqr, void *data)
 {
-       wake_up((wait_queue_head_t *) data);
+       spin_lock_irq(get_ccwdev_lock(cqr->startdev->cdev));
+       cqr->callback_data = DASD_SLEEPON_END_TAG;
+       spin_unlock_irq(get_ccwdev_lock(cqr->startdev->cdev));
+       wake_up(&generic_waitq);
 }
 
 static inline int _wait_for_wakeup(struct dasd_ccw_req *cqr)
@@ -1482,10 +1488,7 @@ static inline int _wait_for_wakeup(struct dasd_ccw_req *cqr)
 
        device = cqr->startdev;
        spin_lock_irq(get_ccwdev_lock(device->cdev));
-       rc = ((cqr->status == DASD_CQR_DONE ||
-              cqr->status == DASD_CQR_NEED_ERP ||
-              cqr->status == DASD_CQR_TERMINATED) &&
-             list_empty(&cqr->devlist));
+       rc = (cqr->callback_data == DASD_SLEEPON_END_TAG);
        spin_unlock_irq(get_ccwdev_lock(device->cdev));
        return rc;
 }
@@ -1573,7 +1576,7 @@ static int _dasd_sleep_on(struct dasd_ccw_req *maincqr, int interruptible)
                        wait_event(generic_waitq, !(device->stopped));
 
                cqr->callback = dasd_wakeup_cb;
-               cqr->callback_data = (void *) &generic_waitq;
+               cqr->callback_data = DASD_SLEEPON_START_TAG;
                dasd_add_request_tail(cqr);
                if (interruptible) {
                        rc = wait_event_interruptible(
@@ -1652,7 +1655,7 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
        }
 
        cqr->callback = dasd_wakeup_cb;
-       cqr->callback_data = (void *) &generic_waitq;
+       cqr->callback_data = DASD_SLEEPON_START_TAG;
        cqr->status = DASD_CQR_QUEUED;
        list_add(&cqr->devlist, &device->ccw_queue);
 
index 105449c15fa95879bc6c01d69837573f7c75914f..e17764d7147624045fefb50ea95c477a9b04a8a1 100644 (file)
@@ -69,6 +69,7 @@ static struct zorro_device_id zorro7xx_zorro_tbl[] __devinitdata = {
        },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, zorro7xx_zorro_tbl);
 
 static int __devinit zorro7xx_init_one(struct zorro_dev *z,
                                       const struct zorro_device_id *ent)
index 4315b23590bd9895ae867f9020446b33b8aae407..eacb588a93459911e2d3d5be0a7af7f171dc24ec 100644 (file)
 #define  MX2_UCR3_RXDMUXSEL     (1<<2)  /* RXD Muxed Input Select, on mx2/mx3 */
 #define  UCR3_INVT      (1<<1)  /* Inverted Infrared transmission */
 #define  UCR3_BPEN      (1<<0)  /* Preset registers enable */
-#define  UCR4_CTSTL_32   (32<<10) /* CTS trigger level (32 chars) */
+#define  UCR4_CTSTL_SHF  10      /* CTS trigger level shift */
+#define  UCR4_CTSTL_MASK 0x3F    /* CTS trigger is 6 bits wide */
 #define  UCR4_INVR      (1<<9)  /* Inverted infrared reception */
 #define  UCR4_ENIRI     (1<<8)  /* Serial infrared interrupt enable */
 #define  UCR4_WKEN      (1<<7)  /* Wake interrupt enable */
@@ -591,6 +592,9 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
        return 0;
 }
 
+/* half the RX buffer size */
+#define CTSTL 16
+
 static int imx_startup(struct uart_port *port)
 {
        struct imx_port *sport = (struct imx_port *)port;
@@ -607,6 +611,10 @@ static int imx_startup(struct uart_port *port)
        if (USE_IRDA(sport))
                temp |= UCR4_IRSC;
 
+       /* set the trigger level for CTS */
+       temp &= ~(UCR4_CTSTL_MASK<<  UCR4_CTSTL_SHF);
+       temp |= CTSTL<<  UCR4_CTSTL_SHF;
+
        writel(temp & ~UCR4_DREN, sport->port.membase + UCR4);
 
        if (USE_IRDA(sport)) {
index a176ab4bd65bbf638c7bf81157d6e9d0aa5a4352..02469c31bf0b6939f37e96e03ac7e1af98a45a14 100644 (file)
@@ -1467,7 +1467,7 @@ mpc52xx_uart_init(void)
        /*
         * Map the PSC FIFO Controller and init if on MPC512x.
         */
-       if (psc_ops->fifoc_init) {
+       if (psc_ops && psc_ops->fifoc_init) {
                ret = psc_ops->fifoc_init();
                if (ret)
                        return ret;
index 4a6366a42129196a112216771f727eca8b643da4..111a01a747fcc940c94d86357ffcb8efdb4f2d71 100644 (file)
@@ -380,6 +380,7 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry)
        mutex_lock(&inode->i_mutex);
        dentry_unhash(dentry);
        if (usbfs_empty(dentry)) {
+               dont_mount(dentry);
                drop_nlink(dentry->d_inode);
                drop_nlink(dentry->d_inode);
                dput(dentry);
index e69d238c5af05254e16cad73b1456549cb8dbc35..49fa953aaf6e354be77e47ff708f8677cc58026b 100644 (file)
@@ -1035,7 +1035,12 @@ int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
 /* This actually signals the guest, using eventfd. */
 void vhost_signal(struct vhost_dev *dev, struct vhost_virtqueue *vq)
 {
-       __u16 flags = 0;
+       __u16 flags;
+       /* Flush out used index updates. This is paired
+        * with the barrier that the Guest executes when enabling
+        * interrupts. */
+       smp_mb();
+
        if (get_user(flags, &vq->avail->flags)) {
                vq_err(vq, "Failed to get flags");
                return;
index dca48df9844405d9827868c29e1f6e0e25adc796..e5d6b56d4447e274d0db3f8eedf68cda99bfb53e 100644 (file)
@@ -50,8 +50,9 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-
+#include <linux/platform_device.h>
 #include <linux/uaccess.h>
+
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/amigahw.h>
@@ -1135,7 +1136,7 @@ static int amifb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg
         * Interface to the low level console driver
         */
 
-static void amifb_deinit(void);
+static void amifb_deinit(struct platform_device *pdev);
 
        /*
         * Internal routines
@@ -2246,7 +2247,7 @@ static inline void chipfree(void)
         * Initialisation
         */
 
-static int __init amifb_init(void)
+static int __init amifb_probe(struct platform_device *pdev)
 {
        int tag, i, err = 0;
        u_long chipptr;
@@ -2261,16 +2262,6 @@ static int __init amifb_init(void)
        }
        amifb_setup(option);
 #endif
-       if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_VIDEO))
-               return -ENODEV;
-
-       /*
-        * We request all registers starting from bplpt[0]
-        */
-       if (!request_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120,
-                               "amifb [Denise/Lisa]"))
-               return -EBUSY;
-
        custom.dmacon = DMAF_ALL | DMAF_MASTER;
 
        switch (amiga_chipset) {
@@ -2377,6 +2368,7 @@ default_chipset:
        fb_info.fbops = &amifb_ops;
        fb_info.par = &currentpar;
        fb_info.flags = FBINFO_DEFAULT;
+       fb_info.device = &pdev->dev;
 
        if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, ami_modedb,
                          NUM_TOTAL_MODES, &ami_modedb[defmode], 4)) {
@@ -2451,18 +2443,18 @@ default_chipset:
        return 0;
 
 amifb_error:
-       amifb_deinit();
+       amifb_deinit(pdev);
        return err;
 }
 
-static void amifb_deinit(void)
+static void amifb_deinit(struct platform_device *pdev)
 {
        if (fb_info.cmap.len)
                fb_dealloc_cmap(&fb_info.cmap);
+       fb_dealloc_cmap(&fb_info.cmap);
        chipfree();
        if (videomemory)
                iounmap((void*)videomemory);
-       release_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120);
        custom.dmacon = DMAF_ALL | DMAF_MASTER;
 }
 
@@ -3794,14 +3786,35 @@ static void ami_rebuild_copper(void)
        }
 }
 
-static void __exit amifb_exit(void)
+static int __exit amifb_remove(struct platform_device *pdev)
 {
        unregister_framebuffer(&fb_info);
-       amifb_deinit();
+       amifb_deinit(pdev);
        amifb_video_off();
+       return 0;
+}
+
+static struct platform_driver amifb_driver = {
+       .remove = __exit_p(amifb_remove),
+       .driver   = {
+               .name   = "amiga-video",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init amifb_init(void)
+{
+       return platform_driver_probe(&amifb_driver, amifb_probe);
 }
 
 module_init(amifb_init);
+
+static void __exit amifb_exit(void)
+{
+       platform_driver_unregister(&amifb_driver);
+}
+
 module_exit(amifb_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-video");
index 44e49c28b2a75c021b16ac65d91d714eabdb49be..c2ec3dcd4e918023886376b3103b21928c8b1e27 100644 (file)
@@ -488,9 +488,9 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
        fbinfo->fbops = &bfin_t350mcqb_fb_ops;
        fbinfo->flags = FBINFO_FLAG_DEFAULT;
 
-       info->fb_buffer =
-           dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle,
-                              GFP_KERNEL);
+       info->fb_buffer = dma_alloc_coherent(NULL, fbinfo->fix.smem_len +
+                               ACTIVE_VIDEO_MEM_OFFSET,
+                               &info->dma_handle, GFP_KERNEL);
 
        if (NULL == info->fb_buffer) {
                printk(KERN_ERR DRIVER_NAME
@@ -568,8 +568,8 @@ out7:
 out6:
        fb_dealloc_cmap(&fbinfo->cmap);
 out4:
-       dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
-                         info->dma_handle);
+       dma_free_coherent(NULL, fbinfo->fix.smem_len + ACTIVE_VIDEO_MEM_OFFSET,
+                        info->fb_buffer, info->dma_handle);
 out3:
        framebuffer_release(fbinfo);
 out2:
@@ -592,8 +592,9 @@ static int __devexit bfin_t350mcqb_remove(struct platform_device *pdev)
        free_irq(info->irq, info);
 
        if (info->fb_buffer != NULL)
-               dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
-                                 info->dma_handle);
+               dma_free_coherent(NULL, fbinfo->fix.smem_len +
+                       ACTIVE_VIDEO_MEM_OFFSET, info->fb_buffer,
+                       info->dma_handle);
 
        fb_dealloc_cmap(&fbinfo->cmap);
 
index 8d8dfda2f86801648d1b4a3d0779b769fab30a88..6df7c54db0a3470b1150d1eb8f5089967628eb73 100644 (file)
@@ -299,6 +299,7 @@ static const struct zorro_device_id cirrusfb_zorro_table[] = {
        },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, cirrusfb_zorro_table);
 
 static const struct {
        zorro_id id2;
index 6c91c61cdb63824f1482e08407b8390ee8e59414..1b0feb8e7244b7bf6fbc1d606673ac03d8bf7656 100644 (file)
@@ -219,6 +219,7 @@ static struct zorro_device_id fm2fb_devices[] __devinitdata = {
        { ZORRO_PROD_HELFRICH_RAINBOW_II },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, fm2fb_devices);
 
 static struct zorro_driver fm2fb_driver = {
        .name           = "fm2fb",
index 0bf5020d0d326fa1d700565cfdb5c0f619c0cd5f..b87ba23442d26e2118a5437cadc57272358dd042 100644 (file)
@@ -175,7 +175,7 @@ config SA1100_WATCHDOG
 
 config MPCORE_WATCHDOG
        tristate "MPcore watchdog"
-       depends on ARM_MPCORE_PLATFORM && LOCAL_TIMERS
+       depends on HAVE_ARM_TWD
        help
          Watchdog timer embedded into the MPcore system.
 
index 016c6a791cab2f11188032e04840a7d144d661c4..b8ec7aca3c8ea4696c96a5cb2d6f000905577ab9 100644 (file)
@@ -31,8 +31,9 @@
 #include <linux/platform_device.h>
 #include <linux/uaccess.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
-#include <asm/hardware/arm_twd.h>
+#include <asm/smp_twd.h>
 
 struct mpcore_wdt {
        unsigned long   timer_alive;
@@ -44,7 +45,7 @@ struct mpcore_wdt {
 };
 
 static struct platform_device *mpcore_wdt_dev;
-extern unsigned int mpcore_timer_rate;
+static DEFINE_SPINLOCK(wdt_lock);
 
 #define TIMER_MARGIN   60
 static int mpcore_margin = TIMER_MARGIN;
@@ -94,13 +95,15 @@ static irqreturn_t mpcore_wdt_fire(int irq, void *arg)
  */
 static void mpcore_wdt_keepalive(struct mpcore_wdt *wdt)
 {
-       unsigned int count;
+       unsigned long count;
 
+       spin_lock(&wdt_lock);
        /* Assume prescale is set to 256 */
-       count = (mpcore_timer_rate / 256) * mpcore_margin;
+       count =  __raw_readl(wdt->base + TWD_WDOG_COUNTER);
+       count = (0xFFFFFFFFU - count) * (HZ / 5);
+       count = (count / 256) * mpcore_margin;
 
        /* Reload the counter */
-       spin_lock(&wdt_lock);
        writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD);
        wdt->perturb = wdt->perturb ? 0 : 1;
        spin_unlock(&wdt_lock);
@@ -119,7 +122,6 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
 {
        dev_printk(KERN_INFO, wdt->dev, "enabling watchdog.\n");
 
-       spin_lock(&wdt_lock);
        /* This loads the count register but does NOT start the count yet */
        mpcore_wdt_keepalive(wdt);
 
@@ -130,7 +132,6 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
                /* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */
                writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL);
        }
-       spin_unlock(&wdt_lock);
 }
 
 static int mpcore_wdt_set_heartbeat(int t)
@@ -360,7 +361,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
        mpcore_wdt_miscdev.parent = &dev->dev;
        ret = misc_register(&mpcore_wdt_miscdev);
        if (ret) {
-               dev_printk(KERN_ERR, _dev,
+               dev_printk(KERN_ERR, wdt->dev,
                        "cannot register miscdev on minor=%d (err=%d)\n",
                                                        WATCHDOG_MINOR, ret);
                goto err_misc;
@@ -369,13 +370,13 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
        ret = request_irq(wdt->irq, mpcore_wdt_fire, IRQF_DISABLED,
                                                        "mpcore_wdt", wdt);
        if (ret) {
-               dev_printk(KERN_ERR, _dev,
+               dev_printk(KERN_ERR, wdt->dev,
                        "cannot register IRQ%d for watchdog\n", wdt->irq);
                goto err_irq;
        }
 
        mpcore_wdt_stop(wdt);
-       platform_set_drvdata(&dev->dev, wdt);
+       platform_set_drvdata(dev, wdt);
        mpcore_wdt_dev = dev;
 
        return 0;
index d47c47fc048f7ff5de17e2f25ec37adb8ac977e3..3c7046d796548e443c120ce491d11d4d834894ec 100644 (file)
@@ -97,7 +97,7 @@ static void zorro_seq_stop(struct seq_file *m, void *v)
 
 static int zorro_seq_show(struct seq_file *m, void *v)
 {
-       u_int slot = *(loff_t *)v;
+       unsigned int slot = *(loff_t *)v;
        struct zorro_dev *z = &zorro_autocon[slot];
 
        seq_printf(m, "%02x\t%08x\t%08lx\t%08lx\t%02x\n", slot, z->id,
@@ -129,7 +129,7 @@ static const struct file_operations zorro_devices_proc_fops = {
 
 static struct proc_dir_entry *proc_bus_zorro_dir;
 
-static int __init zorro_proc_attach_device(u_int slot)
+static int __init zorro_proc_attach_device(unsigned int slot)
 {
        struct proc_dir_entry *entry;
        char name[4];
@@ -146,7 +146,7 @@ static int __init zorro_proc_attach_device(u_int slot)
 
 static int __init zorro_proc_init(void)
 {
-       u_int slot;
+       unsigned int slot;
 
        if (MACH_IS_AMIGA && AMIGAHW_PRESENT(ZORRO)) {
                proc_bus_zorro_dir = proc_mkdir("bus/zorro", NULL);
index 53180a37cc9ad2867cf8eecf4213e3f69009e3a7..7ee2b6e7178643af597273a2263f26b962e6db4f 100644 (file)
@@ -137,10 +137,34 @@ static int zorro_bus_match(struct device *dev, struct device_driver *drv)
        return 0;
 }
 
+static int zorro_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+#ifdef CONFIG_HOTPLUG
+       struct zorro_dev *z;
+
+       if (!dev)
+               return -ENODEV;
+
+       z = to_zorro_dev(dev);
+       if (!z)
+               return -ENODEV;
+
+       if (add_uevent_var(env, "ZORRO_ID=%08X", z->id) ||
+           add_uevent_var(env, "ZORRO_SLOT_NAME=%s", dev_name(dev)) ||
+           add_uevent_var(env, "ZORRO_SLOT_ADDR=%04X", z->slotaddr) ||
+           add_uevent_var(env, "MODALIAS=" ZORRO_DEVICE_MODALIAS_FMT, z->id))
+               return -ENOMEM;
+
+       return 0;
+#else /* !CONFIG_HOTPLUG */
+       return -ENODEV;
+#endif /* !CONFIG_HOTPLUG */
+}
 
 struct bus_type zorro_bus_type = {
        .name   = "zorro",
        .match  = zorro_bus_match,
+       .uevent = zorro_uevent,
        .probe  = zorro_device_probe,
        .remove = zorro_device_remove,
 };
index 1d2a772ea14c017419a145ec3a8be582336cda97..eb924e0a64ce798788e72ce87f4b6937d94d8239 100644 (file)
@@ -77,6 +77,16 @@ static struct bin_attribute zorro_config_attr = {
        .read = zorro_read_config,
 };
 
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+                            char *buf)
+{
+       struct zorro_dev *z = to_zorro_dev(dev);
+
+       return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id);
+}
+
+static DEVICE_ATTR(modalias, S_IRUGO, modalias_show, NULL);
+
 int zorro_create_sysfs_dev_files(struct zorro_dev *z)
 {
        struct device *dev = &z->dev;
@@ -89,6 +99,7 @@ int zorro_create_sysfs_dev_files(struct zorro_dev *z)
            (error = device_create_file(dev, &dev_attr_slotaddr)) ||
            (error = device_create_file(dev, &dev_attr_slotsize)) ||
            (error = device_create_file(dev, &dev_attr_resource)) ||
+           (error = device_create_file(dev, &dev_attr_modalias)) ||
            (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr)))
                return error;
 
index d45fb34e2d2371f49b26bfd0f787ac0cb5ddf06b..6455f3a244c594334b04f6c6ac46c2bf527fd1f0 100644 (file)
@@ -15,6 +15,8 @@
 #include <linux/zorro.h>
 #include <linux/bitops.h>
 #include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
 
 #include <asm/setup.h>
 #include <asm/amigahw.h>
      *  Zorro Expansion Devices
      */
 
-u_int zorro_num_autocon = 0;
+unsigned int zorro_num_autocon;
 struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO];
 
 
     /*
-     *  Single Zorro bus
+     *  Zorro bus
      */
 
-struct zorro_bus zorro_bus = {\
-    .resources = {
-       /* Zorro II regions (on Zorro II/III) */
-       { .name = "Zorro II exp", .start = 0x00e80000, .end = 0x00efffff },
-       { .name = "Zorro II mem", .start = 0x00200000, .end = 0x009fffff },
-       /* Zorro III regions (on Zorro III only) */
-       { .name = "Zorro III exp", .start = 0xff000000, .end = 0xffffffff },
-       { .name = "Zorro III cfg", .start = 0x40000000, .end = 0x7fffffff }
-    },
-    .name = "Zorro bus"
+struct zorro_bus {
+       struct list_head devices;       /* list of devices on this bus */
+       struct device dev;
 };
 
 
@@ -53,18 +48,19 @@ struct zorro_bus zorro_bus = {\
 
 struct zorro_dev *zorro_find_device(zorro_id id, struct zorro_dev *from)
 {
-    struct zorro_dev *z;
+       struct zorro_dev *z;
 
-    if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
-       return NULL;
+       if (!zorro_num_autocon)
+               return NULL;
 
-    for (z = from ? from+1 : &zorro_autocon[0];
-        z < zorro_autocon+zorro_num_autocon;
-        z++)
-       if (id == ZORRO_WILDCARD || id == z->id)
-           return z;
-    return NULL;
+       for (z = from ? from+1 : &zorro_autocon[0];
+            z < zorro_autocon+zorro_num_autocon;
+            z++)
+               if (id == ZORRO_WILDCARD || id == z->id)
+                       return z;
+       return NULL;
 }
+EXPORT_SYMBOL(zorro_find_device);
 
 
     /*
@@ -83,121 +79,138 @@ struct zorro_dev *zorro_find_device(zorro_id id, struct zorro_dev *from)
      */
 
 DECLARE_BITMAP(zorro_unused_z2ram, 128);
+EXPORT_SYMBOL(zorro_unused_z2ram);
 
 
 static void __init mark_region(unsigned long start, unsigned long end,
                               int flag)
 {
-    if (flag)
-       start += Z2RAM_CHUNKMASK;
-    else
-       end += Z2RAM_CHUNKMASK;
-    start &= ~Z2RAM_CHUNKMASK;
-    end &= ~Z2RAM_CHUNKMASK;
-
-    if (end <= Z2RAM_START || start >= Z2RAM_END)
-       return;
-    start = start < Z2RAM_START ? 0x00000000 : start-Z2RAM_START;
-    end = end > Z2RAM_END ? Z2RAM_SIZE : end-Z2RAM_START;
-    while (start < end) {
-       u32 chunk = start>>Z2RAM_CHUNKSHIFT;
        if (flag)
-           set_bit(chunk, zorro_unused_z2ram);
+               start += Z2RAM_CHUNKMASK;
        else
-           clear_bit(chunk, zorro_unused_z2ram);
-       start += Z2RAM_CHUNKSIZE;
-    }
+               end += Z2RAM_CHUNKMASK;
+       start &= ~Z2RAM_CHUNKMASK;
+       end &= ~Z2RAM_CHUNKMASK;
+
+       if (end <= Z2RAM_START || start >= Z2RAM_END)
+               return;
+       start = start < Z2RAM_START ? 0x00000000 : start-Z2RAM_START;
+       end = end > Z2RAM_END ? Z2RAM_SIZE : end-Z2RAM_START;
+       while (start < end) {
+               u32 chunk = start>>Z2RAM_CHUNKSHIFT;
+               if (flag)
+                       set_bit(chunk, zorro_unused_z2ram);
+               else
+                       clear_bit(chunk, zorro_unused_z2ram);
+               start += Z2RAM_CHUNKSIZE;
+       }
 }
 
 
-static struct resource __init *zorro_find_parent_resource(struct zorro_dev *z)
+static struct resource __init *zorro_find_parent_resource(
+       struct platform_device *bridge, struct zorro_dev *z)
 {
-    int i;
+       int i;
 
-    for (i = 0; i < zorro_bus.num_resources; i++)
-       if (zorro_resource_start(z) >= zorro_bus.resources[i].start &&
-           zorro_resource_end(z) <= zorro_bus.resources[i].end)
-               return &zorro_bus.resources[i];
-    return &iomem_resource;
+       for (i = 0; i < bridge->num_resources; i++) {
+               struct resource *r = &bridge->resource[i];
+               if (zorro_resource_start(z) >= r->start &&
+                   zorro_resource_end(z) <= r->end)
+                       return r;
+       }
+       return &iomem_resource;
 }
 
 
-    /*
-     *  Initialization
-     */
 
-static int __init zorro_init(void)
+static int __init amiga_zorro_probe(struct platform_device *pdev)
 {
-    struct zorro_dev *z;
-    unsigned int i;
-    int error;
-
-    if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
-       return 0;
-
-    pr_info("Zorro: Probing AutoConfig expansion devices: %d device%s\n",
-          zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
-
-    /* Initialize the Zorro bus */
-    INIT_LIST_HEAD(&zorro_bus.devices);
-    dev_set_name(&zorro_bus.dev, "zorro");
-    error = device_register(&zorro_bus.dev);
-    if (error) {
-       pr_err("Zorro: Error registering zorro_bus\n");
-       return error;
-    }
-
-    /* Request the resources */
-    zorro_bus.num_resources = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2;
-    for (i = 0; i < zorro_bus.num_resources; i++)
-       request_resource(&iomem_resource, &zorro_bus.resources[i]);
-
-    /* Register all devices */
-    for (i = 0; i < zorro_num_autocon; i++) {
-       z = &zorro_autocon[i];
-       z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8);
-       if (z->id == ZORRO_PROD_GVP_EPC_BASE) {
-           /* GVP quirk */
-           unsigned long magic = zorro_resource_start(z)+0x8000;
-           z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK;
-       }
-       sprintf(z->name, "Zorro device %08x", z->id);
-       zorro_name_device(z);
-       z->resource.name = z->name;
-       if (request_resource(zorro_find_parent_resource(z), &z->resource))
-           pr_err("Zorro: Address space collision on device %s %pR\n",
-                  z->name, &z->resource);
-       dev_set_name(&z->dev, "%02x", i);
-       z->dev.parent = &zorro_bus.dev;
-       z->dev.bus = &zorro_bus_type;
-       error = device_register(&z->dev);
+       struct zorro_bus *bus;
+       struct zorro_dev *z;
+       struct resource *r;
+       unsigned int i;
+       int error;
+
+       /* Initialize the Zorro bus */
+       bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+       if (!bus)
+               return -ENOMEM;
+
+       INIT_LIST_HEAD(&bus->devices);
+       bus->dev.parent = &pdev->dev;
+       dev_set_name(&bus->dev, "zorro");
+       error = device_register(&bus->dev);
        if (error) {
-           pr_err("Zorro: Error registering device %s\n", z->name);
-           continue;
+               pr_err("Zorro: Error registering zorro_bus\n");
+               kfree(bus);
+               return error;
        }
-       error = zorro_create_sysfs_dev_files(z);
-       if (error)
-           dev_err(&z->dev, "Error creating sysfs files\n");
-    }
-
-    /* Mark all available Zorro II memory */
-    zorro_for_each_dev(z) {
-       if (z->rom.er_Type & ERTF_MEMLIST)
-           mark_region(zorro_resource_start(z), zorro_resource_end(z)+1, 1);
-    }
-
-    /* Unmark all used Zorro II memory */
-    for (i = 0; i < m68k_num_memory; i++)
-       if (m68k_memory[i].addr < 16*1024*1024)
-           mark_region(m68k_memory[i].addr,
-                       m68k_memory[i].addr+m68k_memory[i].size, 0);
-
-    return 0;
+       platform_set_drvdata(pdev, bus);
+
+       /* Register all devices */
+       pr_info("Zorro: Probing AutoConfig expansion devices: %u device%s\n",
+                zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
+
+       for (i = 0; i < zorro_num_autocon; i++) {
+               z = &zorro_autocon[i];
+               z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8);
+               if (z->id == ZORRO_PROD_GVP_EPC_BASE) {
+                       /* GVP quirk */
+                       unsigned long magic = zorro_resource_start(z)+0x8000;
+                       z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK;
+               }
+               sprintf(z->name, "Zorro device %08x", z->id);
+               zorro_name_device(z);
+               z->resource.name = z->name;
+               r = zorro_find_parent_resource(pdev, z);
+               error = request_resource(r, &z->resource);
+               if (error)
+                       dev_err(&bus->dev,
+                               "Address space collision on device %s %pR\n",
+                               z->name, &z->resource);
+               dev_set_name(&z->dev, "%02x", i);
+               z->dev.parent = &bus->dev;
+               z->dev.bus = &zorro_bus_type;
+               error = device_register(&z->dev);
+               if (error) {
+                       dev_err(&bus->dev, "Error registering device %s\n",
+                               z->name);
+                       continue;
+               }
+               error = zorro_create_sysfs_dev_files(z);
+               if (error)
+                       dev_err(&z->dev, "Error creating sysfs files\n");
+       }
+
+       /* Mark all available Zorro II memory */
+       zorro_for_each_dev(z) {
+               if (z->rom.er_Type & ERTF_MEMLIST)
+                       mark_region(zorro_resource_start(z),
+                                   zorro_resource_end(z)+1, 1);
+       }
+
+       /* Unmark all used Zorro II memory */
+       for (i = 0; i < m68k_num_memory; i++)
+               if (m68k_memory[i].addr < 16*1024*1024)
+                       mark_region(m68k_memory[i].addr,
+                                   m68k_memory[i].addr+m68k_memory[i].size,
+                                   0);
+
+       return 0;
 }
 
-subsys_initcall(zorro_init);
+static struct platform_driver amiga_zorro_driver = {
+       .driver   = {
+               .name   = "amiga-zorro",
+               .owner  = THIS_MODULE,
+       },
+};
 
-EXPORT_SYMBOL(zorro_find_device);
-EXPORT_SYMBOL(zorro_unused_z2ram);
+static int __init amiga_zorro_init(void)
+{
+       return platform_driver_probe(&amiga_zorro_driver, amiga_zorro_probe);
+}
+
+module_init(amiga_zorro_init);
 
 MODULE_LICENSE("GPL");
index 109a6c606d9292d3438795291d22c7a3c9a94b9e..e8e5e63ac9503b6f42d20681a26fc6565e43641b 100644 (file)
@@ -177,8 +177,7 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
                }
        /* Trigger mount for path component or follow link */
        } else if (ino->flags & AUTOFS_INF_PENDING ||
-                       autofs4_need_mount(flags) ||
-                       current->link_count) {
+                       autofs4_need_mount(flags)) {
                DPRINTK("waiting for mount name=%.*s",
                        dentry->d_name.len, dentry->d_name.name);
 
@@ -262,7 +261,7 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
                spin_unlock(&dcache_lock);
                spin_unlock(&sbi->fs_lock);
 
-               status = try_to_fill_dentry(dentry, 0);
+               status = try_to_fill_dentry(dentry, nd->flags);
                if (status)
                        goto out_error;
 
index e84ef60ffe35bc13830e78754c6698a135e7683c..97a97839a867f1c0773f8a684a1289ae185d0eb6 100644 (file)
@@ -1481,12 +1481,17 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
                ret = -EBADF;
                goto out_drop_write;
        }
+
        src = src_file->f_dentry->d_inode;
 
        ret = -EINVAL;
        if (src == inode)
                goto out_fput;
 
+       /* the src must be open for reading */
+       if (!(src_file->f_mode & FMODE_READ))
+               goto out_fput;
+
        ret = -EISDIR;
        if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode))
                goto out_fput;
index f7c255f9c624eaf3e3e71bca056e41c05ccb64f3..a8cd821226da70406f728851cbdfc8d95dc7fcac 100644 (file)
@@ -34,6 +34,7 @@ struct cachefiles_object {
        loff_t                          i_size;         /* object size */
        unsigned long                   flags;
 #define CACHEFILES_OBJECT_ACTIVE       0               /* T if marked active */
+#define CACHEFILES_OBJECT_BURIED       1               /* T if preemptively buried */
        atomic_t                        usage;          /* object usage count */
        uint8_t                         type;           /* object type */
        uint8_t                         new;            /* T if object new */
index d5db84a1ee0d6ab8b2b6b1e7cdf83d71bccc4c55..f4a7840bf42cbb4c4be9cf74a7488e61aab4c94d 100644 (file)
@@ -92,6 +92,59 @@ static noinline void cachefiles_printk_object(struct cachefiles_object *object,
        kfree(keybuf);
 }
 
+/*
+ * mark the owner of a dentry, if there is one, to indicate that that dentry
+ * has been preemptively deleted
+ * - the caller must hold the i_mutex on the dentry's parent as required to
+ *   call vfs_unlink(), vfs_rmdir() or vfs_rename()
+ */
+static void cachefiles_mark_object_buried(struct cachefiles_cache *cache,
+                                         struct dentry *dentry)
+{
+       struct cachefiles_object *object;
+       struct rb_node *p;
+
+       _enter(",'%*.*s'",
+              dentry->d_name.len, dentry->d_name.len, dentry->d_name.name);
+
+       write_lock(&cache->active_lock);
+
+       p = cache->active_nodes.rb_node;
+       while (p) {
+               object = rb_entry(p, struct cachefiles_object, active_node);
+               if (object->dentry > dentry)
+                       p = p->rb_left;
+               else if (object->dentry < dentry)
+                       p = p->rb_right;
+               else
+                       goto found_dentry;
+       }
+
+       write_unlock(&cache->active_lock);
+       _leave(" [no owner]");
+       return;
+
+       /* found the dentry for  */
+found_dentry:
+       kdebug("preemptive burial: OBJ%x [%s] %p",
+              object->fscache.debug_id,
+              fscache_object_states[object->fscache.state],
+              dentry);
+
+       if (object->fscache.state < FSCACHE_OBJECT_DYING) {
+               printk(KERN_ERR "\n");
+               printk(KERN_ERR "CacheFiles: Error:"
+                      " Can't preemptively bury live object\n");
+               cachefiles_printk_object(object, NULL);
+       } else if (test_and_set_bit(CACHEFILES_OBJECT_BURIED, &object->flags)) {
+               printk(KERN_ERR "CacheFiles: Error:"
+                      " Object already preemptively buried\n");
+       }
+
+       write_unlock(&cache->active_lock);
+       _leave(" [owner marked]");
+}
+
 /*
  * record the fact that an object is now active
  */
@@ -219,7 +272,8 @@ requeue:
  */
 static int cachefiles_bury_object(struct cachefiles_cache *cache,
                                  struct dentry *dir,
-                                 struct dentry *rep)
+                                 struct dentry *rep,
+                                 bool preemptive)
 {
        struct dentry *grave, *trap;
        char nbuffer[8 + 8 + 1];
@@ -229,11 +283,16 @@ static int cachefiles_bury_object(struct cachefiles_cache *cache,
               dir->d_name.len, dir->d_name.len, dir->d_name.name,
               rep->d_name.len, rep->d_name.len, rep->d_name.name);
 
+       _debug("remove %p from %p", rep, dir);
+
        /* non-directories can just be unlinked */
        if (!S_ISDIR(rep->d_inode->i_mode)) {
                _debug("unlink stale object");
                ret = vfs_unlink(dir->d_inode, rep);
 
+               if (preemptive)
+                       cachefiles_mark_object_buried(cache, rep);
+
                mutex_unlock(&dir->d_inode->i_mutex);
 
                if (ret == -EIO)
@@ -325,6 +384,9 @@ try_again:
        if (ret != 0 && ret != -ENOMEM)
                cachefiles_io_error(cache, "Rename failed with error %d", ret);
 
+       if (preemptive)
+               cachefiles_mark_object_buried(cache, rep);
+
        unlock_rename(cache->graveyard, dir);
        dput(grave);
        _leave(" = 0");
@@ -340,7 +402,7 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
        struct dentry *dir;
        int ret;
 
-       _enter(",{%p}", object->dentry);
+       _enter(",OBJ%x{%p}", object->fscache.debug_id, object->dentry);
 
        ASSERT(object->dentry);
        ASSERT(object->dentry->d_inode);
@@ -350,15 +412,25 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
 
        mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
 
-       /* we need to check that our parent is _still_ our parent - it may have
-        * been renamed */
-       if (dir == object->dentry->d_parent) {
-               ret = cachefiles_bury_object(cache, dir, object->dentry);
-       } else {
-               /* it got moved, presumably by cachefilesd culling it, so it's
-                * no longer in the key path and we can ignore it */
+       if (test_bit(CACHEFILES_OBJECT_BURIED, &object->flags)) {
+               /* object allocation for the same key preemptively deleted this
+                * object's file so that it could create its own file */
+               _debug("object preemptively buried");
                mutex_unlock(&dir->d_inode->i_mutex);
                ret = 0;
+       } else {
+               /* we need to check that our parent is _still_ our parent - it
+                * may have been renamed */
+               if (dir == object->dentry->d_parent) {
+                       ret = cachefiles_bury_object(cache, dir,
+                                                    object->dentry, false);
+               } else {
+                       /* it got moved, presumably by cachefilesd culling it,
+                        * so it's no longer in the key path and we can ignore
+                        * it */
+                       mutex_unlock(&dir->d_inode->i_mutex);
+                       ret = 0;
+               }
        }
 
        dput(dir);
@@ -381,7 +453,9 @@ int cachefiles_walk_to_object(struct cachefiles_object *parent,
        const char *name;
        int ret, nlen;
 
-       _enter("{%p},,%s,", parent->dentry, key);
+       _enter("OBJ%x{%p},OBJ%x,%s,",
+              parent->fscache.debug_id, parent->dentry,
+              object->fscache.debug_id, key);
 
        cache = container_of(parent->fscache.cache,
                             struct cachefiles_cache, cache);
@@ -509,7 +583,7 @@ lookup_again:
                         * mutex) */
                        object->dentry = NULL;
 
-                       ret = cachefiles_bury_object(cache, dir, next);
+                       ret = cachefiles_bury_object(cache, dir, next, true);
                        dput(next);
                        next = NULL;
 
@@ -828,7 +902,7 @@ int cachefiles_cull(struct cachefiles_cache *cache, struct dentry *dir,
        /*  actually remove the victim (drops the dir mutex) */
        _debug("bury");
 
-       ret = cachefiles_bury_object(cache, dir, victim);
+       ret = cachefiles_bury_object(cache, dir, victim, false);
        if (ret < 0)
                goto error;
 
index b5808cdb22325f0f21a1442910690772ad60431c..039b5011d83b0f1481ec200f1229db568f733a02 100644 (file)
@@ -77,6 +77,8 @@ static int cachefiles_check_cache_dir(struct cachefiles_cache *cache,
 /*
  * check the security details of the on-disk cache
  * - must be called with security override in force
+ * - must return with a security override in force - even in the case of an
+ *   error
  */
 int cachefiles_determine_cache_security(struct cachefiles_cache *cache,
                                        struct dentry *root,
@@ -99,6 +101,8 @@ int cachefiles_determine_cache_security(struct cachefiles_cache *cache,
         * which create files */
        ret = set_create_files_as(new, root->d_inode);
        if (ret < 0) {
+               abort_creds(new);
+               cachefiles_begin_secure(cache, _saved_cred);
                _leave(" = %d [cfa]", ret);
                return ret;
        }
index 4b42c2bb603f167efb9c330e708e37146e93c986..a9005d862ed4b7e415f03ddf25fc241420cb2d48 100644 (file)
@@ -504,7 +504,6 @@ static void writepages_finish(struct ceph_osd_request *req,
        int i;
        struct ceph_snap_context *snapc = req->r_snapc;
        struct address_space *mapping = inode->i_mapping;
-       struct writeback_control *wbc = req->r_wbc;
        __s32 rc = -EIO;
        u64 bytes = 0;
        struct ceph_client *client = ceph_inode_to_client(inode);
@@ -546,10 +545,6 @@ static void writepages_finish(struct ceph_osd_request *req,
                        clear_bdi_congested(&client->backing_dev_info,
                                            BLK_RW_ASYNC);
 
-               if (i >= wrote) {
-                       dout("inode %p skipping page %p\n", inode, page);
-                       wbc->pages_skipped++;
-               }
                ceph_put_snap_context((void *)page->private);
                page->private = 0;
                ClearPagePrivate(page);
@@ -799,7 +794,6 @@ get_more_pages:
                                alloc_page_vec(client, req);
                                req->r_callback = writepages_finish;
                                req->r_inode = inode;
-                               req->r_wbc = wbc;
                        }
 
                        /* note position of first page in pvec */
index 0c1681806867e0d1510e40fff8a40e0418efa1e8..d9400534b2790158e072a547d652876f35079f9c 100644 (file)
@@ -858,6 +858,8 @@ static int __ceph_is_any_caps(struct ceph_inode_info *ci)
 }
 
 /*
+ * Remove a cap.  Take steps to deal with a racing iterate_session_caps.
+ *
  * caller should hold i_lock.
  * caller will not hold session s_mutex if called from destroy_inode.
  */
@@ -866,15 +868,10 @@ void __ceph_remove_cap(struct ceph_cap *cap)
        struct ceph_mds_session *session = cap->session;
        struct ceph_inode_info *ci = cap->ci;
        struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
+       int removed = 0;
 
        dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode);
 
-       /* remove from inode list */
-       rb_erase(&cap->ci_node, &ci->i_caps);
-       cap->ci = NULL;
-       if (ci->i_auth_cap == cap)
-               ci->i_auth_cap = NULL;
-
        /* remove from session list */
        spin_lock(&session->s_cap_lock);
        if (session->s_cap_iterator == cap) {
@@ -885,10 +882,18 @@ void __ceph_remove_cap(struct ceph_cap *cap)
                list_del_init(&cap->session_caps);
                session->s_nr_caps--;
                cap->session = NULL;
+               removed = 1;
        }
+       /* protect backpointer with s_cap_lock: see iterate_session_caps */
+       cap->ci = NULL;
        spin_unlock(&session->s_cap_lock);
 
-       if (cap->session == NULL)
+       /* remove from inode list */
+       rb_erase(&cap->ci_node, &ci->i_caps);
+       if (ci->i_auth_cap == cap)
+               ci->i_auth_cap = NULL;
+
+       if (removed)
                ceph_put_cap(cap);
 
        if (!__ceph_is_any_caps(ci) && ci->i_snap_realm) {
index 261f3e6c0bcff279d8a5177c0234c3d1e99ad9de..85b4d2ffdeba933da4ac816663a04c3c9ed91924 100644 (file)
@@ -733,6 +733,10 @@ no_change:
                                __ceph_get_fmode(ci, cap_fmode);
                        spin_unlock(&inode->i_lock);
                }
+       } else if (cap_fmode >= 0) {
+               pr_warning("mds issued no caps on %llx.%llx\n",
+                          ceph_vinop(inode));
+               __ceph_get_fmode(ci, cap_fmode);
        }
 
        /* update delegation info? */
index 60a9a4ae47bef2af2190e3bf92114c692d648664..24561a557e01c0ae55c35700e2615b318c8cdb4c 100644 (file)
@@ -736,9 +736,10 @@ static void cleanup_cap_releases(struct ceph_mds_session *session)
 }
 
 /*
- * Helper to safely iterate over all caps associated with a session.
+ * Helper to safely iterate over all caps associated with a session, with
+ * special care taken to handle a racing __ceph_remove_cap().
  *
- * caller must hold session s_mutex
+ * Caller must hold session s_mutex.
  */
 static int iterate_session_caps(struct ceph_mds_session *session,
                                 int (*cb)(struct inode *, struct ceph_cap *,
@@ -2136,7 +2137,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
        struct ceph_mds_session *session = NULL;
        struct ceph_msg *reply;
        struct rb_node *p;
-       int err;
+       int err = -ENOMEM;
        struct ceph_pagelist *pagelist;
 
        pr_info("reconnect to recovering mds%d\n", mds);
@@ -2185,7 +2186,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
                goto fail;
        err = iterate_session_caps(session, encode_caps_cb, pagelist);
        if (err < 0)
-               goto out;
+               goto fail;
 
        /*
         * snaprealms.  we provide mds with the ino, seq (version), and
@@ -2213,28 +2214,31 @@ send:
        reply->nr_pages = calc_pages_for(0, pagelist->length);
        ceph_con_send(&session->s_con, reply);
 
-       if (session) {
-               session->s_state = CEPH_MDS_SESSION_OPEN;
-               __wake_requests(mdsc, &session->s_waiting);
-       }
+       session->s_state = CEPH_MDS_SESSION_OPEN;
+       mutex_unlock(&session->s_mutex);
+
+       mutex_lock(&mdsc->mutex);
+       __wake_requests(mdsc, &session->s_waiting);
+       mutex_unlock(&mdsc->mutex);
+
+       ceph_put_mds_session(session);
 
-out:
        up_read(&mdsc->snap_rwsem);
-       if (session) {
-               mutex_unlock(&session->s_mutex);
-               ceph_put_mds_session(session);
-       }
        mutex_lock(&mdsc->mutex);
        return;
 
 fail:
        ceph_msg_put(reply);
+       up_read(&mdsc->snap_rwsem);
+       mutex_unlock(&session->s_mutex);
+       ceph_put_mds_session(session);
 fail_nomsg:
        ceph_pagelist_release(pagelist);
        kfree(pagelist);
 fail_nopagelist:
-       pr_err("ENOMEM preparing reconnect for mds%d\n", mds);
-       goto out;
+       pr_err("error %d preparing reconnect for mds%d\n", err, mds);
+       mutex_lock(&mdsc->mutex);
+       return;
 }
 
 
index 509f57d9ccb368ca170f3e580be957698acbb329..cd4fadb6491afe3a48ad5081b5f4ab2a41e4b0bf 100644 (file)
@@ -492,7 +492,14 @@ static void prepare_write_message(struct ceph_connection *con)
                list_move_tail(&m->list_head, &con->out_sent);
        }
 
-       m->hdr.seq = cpu_to_le64(++con->out_seq);
+       /*
+        * only assign outgoing seq # if we haven't sent this message
+        * yet.  if it is requeued, resend with it's original seq.
+        */
+       if (m->needs_out_seq) {
+               m->hdr.seq = cpu_to_le64(++con->out_seq);
+               m->needs_out_seq = false;
+       }
 
        dout("prepare_write_message %p seq %lld type %d len %d+%d+%d %d pgs\n",
             m, con->out_seq, le16_to_cpu(m->hdr.type),
@@ -1986,6 +1993,8 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg)
 
        BUG_ON(msg->front.iov_len != le32_to_cpu(msg->hdr.front_len));
 
+       msg->needs_out_seq = true;
+
        /* queue */
        mutex_lock(&con->mutex);
        BUG_ON(!list_empty(&msg->list_head));
@@ -2085,15 +2094,19 @@ struct ceph_msg *ceph_msg_new(int type, int front_len,
        kref_init(&m->kref);
        INIT_LIST_HEAD(&m->list_head);
 
+       m->hdr.tid = 0;
        m->hdr.type = cpu_to_le16(type);
+       m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT);
+       m->hdr.version = 0;
        m->hdr.front_len = cpu_to_le32(front_len);
        m->hdr.middle_len = 0;
        m->hdr.data_len = cpu_to_le32(page_len);
        m->hdr.data_off = cpu_to_le16(page_off);
-       m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT);
+       m->hdr.reserved = 0;
        m->footer.front_crc = 0;
        m->footer.middle_crc = 0;
        m->footer.data_crc = 0;
+       m->footer.flags = 0;
        m->front_max = front_len;
        m->front_is_vmalloc = false;
        m->more_to_follow = false;
index a343dae73cdcf4f6f458480e4b910e5b9889093e..a5caf91cc97178039689b1f0efc49ef42e56d981 100644 (file)
@@ -86,6 +86,7 @@ struct ceph_msg {
        struct kref kref;
        bool front_is_vmalloc;
        bool more_to_follow;
+       bool needs_out_seq;
        int front_max;
 
        struct ceph_msgpool *pool;
index c7b4dedaace674d60112326531d0d467dd69d122..3514f71ff85f79a866fb57699ade4f831d02d859 100644 (file)
@@ -565,7 +565,8 @@ static int __map_osds(struct ceph_osd_client *osdc,
 {
        struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base;
        struct ceph_pg pgid;
-       int o = -1;
+       int acting[CEPH_PG_MAX_SIZE];
+       int o = -1, num = 0;
        int err;
 
        dout("map_osds %p tid %lld\n", req, req->r_tid);
@@ -576,10 +577,16 @@ static int __map_osds(struct ceph_osd_client *osdc,
        pgid = reqhead->layout.ol_pgid;
        req->r_pgid = pgid;
 
-       o = ceph_calc_pg_primary(osdc->osdmap, pgid);
+       err = ceph_calc_pg_acting(osdc->osdmap, pgid, acting);
+       if (err > 0) {
+               o = acting[0];
+               num = err;
+       }
 
        if ((req->r_osd && req->r_osd->o_osd == o &&
-            req->r_sent >= req->r_osd->o_incarnation) ||
+            req->r_sent >= req->r_osd->o_incarnation &&
+            req->r_num_pg_osds == num &&
+            memcmp(req->r_pg_osds, acting, sizeof(acting[0])*num) == 0) ||
            (req->r_osd == NULL && o == -1))
                return 0;  /* no change */
 
@@ -587,6 +594,10 @@ static int __map_osds(struct ceph_osd_client *osdc,
             req->r_tid, le32_to_cpu(pgid.pool), le16_to_cpu(pgid.ps), o,
             req->r_osd ? req->r_osd->o_osd : -1);
 
+       /* record full pg acting set */
+       memcpy(req->r_pg_osds, acting, sizeof(acting[0]) * num);
+       req->r_num_pg_osds = num;
+
        if (req->r_osd) {
                __cancel_request(req);
                list_del_init(&req->r_osd_item);
@@ -612,7 +623,7 @@ static int __map_osds(struct ceph_osd_client *osdc,
                __remove_osd_from_lru(req->r_osd);
                list_add(&req->r_osd_item, &req->r_osd->o_requests);
        }
-       err = 1;   /* osd changed */
+       err = 1;   /* osd or pg changed */
 
 out:
        return err;
@@ -779,16 +790,18 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
        struct ceph_osd_request *req;
        u64 tid;
        int numops, object_len, flags;
+       s32 result;
 
        tid = le64_to_cpu(msg->hdr.tid);
        if (msg->front.iov_len < sizeof(*rhead))
                goto bad;
        numops = le32_to_cpu(rhead->num_ops);
        object_len = le32_to_cpu(rhead->object_len);
+       result = le32_to_cpu(rhead->result);
        if (msg->front.iov_len != sizeof(*rhead) + object_len +
            numops * sizeof(struct ceph_osd_op))
                goto bad;
-       dout("handle_reply %p tid %llu\n", msg, tid);
+       dout("handle_reply %p tid %llu result %d\n", msg, tid, (int)result);
 
        /* lookup */
        mutex_lock(&osdc->request_mutex);
@@ -834,7 +847,8 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
        dout("handle_reply tid %llu flags %d\n", tid, flags);
 
        /* either this is a read, or we got the safe response */
-       if ((flags & CEPH_OSD_FLAG_ONDISK) ||
+       if (result < 0 ||
+           (flags & CEPH_OSD_FLAG_ONDISK) ||
            ((flags & CEPH_OSD_FLAG_WRITE) == 0))
                __unregister_request(osdc, req);
 
index b0759911e7c3899b17d3836182b7f4fdbd6a0cdd..ce776989ef6a76d73d1475ce2335ce558b653e2d 100644 (file)
@@ -48,6 +48,8 @@ struct ceph_osd_request {
        struct list_head r_osd_item;
        struct ceph_osd *r_osd;
        struct ceph_pg   r_pgid;
+       int              r_pg_osds[CEPH_PG_MAX_SIZE];
+       int              r_num_pg_osds;
 
        struct ceph_connection *r_con_filling_msg;
 
@@ -66,7 +68,6 @@ struct ceph_osd_request {
        struct list_head  r_unsafe_item;
 
        struct inode *r_inode;                /* for use by callbacks */
-       struct writeback_control *r_wbc;      /* ditto */
 
        char              r_oid[40];          /* object name */
        int               r_oid_len;
index 2e2c15eed82ad31fa985409100dbe07389b9df94..cfdd8f4388b7a44a0419e34ead12e9368b35b935 100644 (file)
@@ -1040,13 +1040,34 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
        return osds;
 }
 
+/*
+ * Return acting set for given pgid.
+ */
+int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
+                       int *acting)
+{
+       int rawosds[CEPH_PG_MAX_SIZE], *osds;
+       int i, o, num = CEPH_PG_MAX_SIZE;
+
+       osds = calc_pg_raw(osdmap, pgid, rawosds, &num);
+       if (!osds)
+               return -1;
+
+       /* primary is first up osd */
+       o = 0;
+       for (i = 0; i < num; i++)
+               if (ceph_osd_is_up(osdmap, osds[i]))
+                       acting[o++] = osds[i];
+       return o;
+}
+
 /*
  * Return primary osd for given pgid, or -1 if none.
  */
 int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid)
 {
-       int rawosds[10], *osds;
-       int i, num = ARRAY_SIZE(rawosds);
+       int rawosds[CEPH_PG_MAX_SIZE], *osds;
+       int i, num = CEPH_PG_MAX_SIZE;
 
        osds = calc_pg_raw(osdmap, pgid, rawosds, &num);
        if (!osds)
@@ -1054,9 +1075,7 @@ int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid)
 
        /* primary is first up osd */
        for (i = 0; i < num; i++)
-               if (ceph_osd_is_up(osdmap, osds[i])) {
+               if (ceph_osd_is_up(osdmap, osds[i]))
                        return osds[i];
-                       break;
-               }
        return -1;
 }
index 8bc9f1e4f562f7187393feb6bb278564931137aa..970b547e510dbd0edb8ba8c2ec95c45932be6106 100644 (file)
@@ -120,6 +120,8 @@ extern int ceph_calc_object_layout(struct ceph_object_layout *ol,
                                   const char *oid,
                                   struct ceph_file_layout *fl,
                                   struct ceph_osdmap *osdmap);
+extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
+                              int *acting);
 extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
                                struct ceph_pg pgid);
 
index a1fc1d017b585d01ba68861bf6518cc0b1c2059a..fd56451a871f4b506263f6299feeff889cd6389c 100644 (file)
@@ -58,6 +58,7 @@ struct ceph_timespec {
 #define CEPH_PG_LAYOUT_LINEAR 2
 #define CEPH_PG_LAYOUT_HYBRID 3
 
+#define CEPH_PG_MAX_SIZE      16  /* max # osds in a single pg */
 
 /*
  * placement group.
index f888cf487b7cce10ed8b25c3b625570e1699ce8c..110857ba9269c2862a1aebd5ac5763e848a27613 100644 (file)
@@ -47,10