The patch titled
down_write(): preserve local irqs
has been added to the -mm tree. Its filename is
down_write-preserve-local-irqs.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: down_write(): preserve local irqs
From: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
lib/rwsem-spinlock.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -puN lib/rwsem-spinlock.c~down_write-preserve-local-irqs lib/rwsem-spinlock.c
--- a/lib/rwsem-spinlock.c~down_write-preserve-local-irqs
+++ a/lib/rwsem-spinlock.c
@@ -195,13 +195,14 @@ void fastcall __sched __down_write_neste
{
struct rwsem_waiter waiter;
struct task_struct *tsk;
+ unsigned long flags;
- spin_lock_irq(&sem->wait_lock);
+ spin_lock_irqsave(&sem->wait_lock, flags);
if (sem->activity == 0 && list_empty(&sem->wait_list)) {
/* granted */
sem->activity = -1;
- spin_unlock_irq(&sem->wait_lock);
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
goto out;
}
@@ -216,7 +217,7 @@ void fastcall __sched __down_write_neste
list_add_tail(&waiter.list, &sem->wait_list);
/* we don't need to touch the semaphore struct anymore */
- spin_unlock_irq(&sem->wait_lock);
+ spin_unlock_irqrestore(&sem->wait_lock, flags);
/* wait to be given the lock */
for (;;) {
_
Patches currently in -mm which might be from akpm@xxxxxxxx are
origin.patch
try_to_free_buffers-dont-clear-pte-dirty-bits.patch
rtc-warning-fix.patch
fix-vm_events_fold_cpu-build-breakage-fix.patch
smc911-workqueue-fixes.patch
schedule_timeout-improve-warning-message.patch
down_write-preserve-local-irqs.patch
shrink_all_memory-fix-lru_pages-handling.patch
build-compileh-earlier.patch
macintosh-mangle-caps-lock-events-on-adb-keyboards.patch
git-acpi.patch
acpi-dont-select-pm.patch
implementation-of-acpi_video_get_next_level.patch
video-sysfs-support-take-2-add-dev-argument-for-backlight_device_register.patch
sony_apci-resume.patch
sony_apci-resume-fix.patch
video-sysfs-support-take-2-add-dev-argument-for-backlight_device_register-sony_acpi-fix.patch
git-alsa.patch
arm-systemh-build-fix.patch
cifs-sprintf-fix.patch
git-drm.patch
ia64-enable-config_debug_spinlock_sleep.patch
git-libata-all.patch
pata_cs5530-suspend-resume-support-tweak.patch
pata_via-suspend-resume-support-fix.patch
git-lxdialog-fixup.patch
git-mmc.patch
git-mtd.patch
git-ubi.patch
ubi-versus-add-include-linux-freezerh-and-move-definitions-from.patch
driver-for-silan-sc92031-netdev.patch
update-smc91x-driver-with-arm-versatile-board-info.patch
drivers-net-ns83820c-add-paramter-to-disable-auto.patch
net-use-bitrev8.patch
net-uninline-skb_put.patch
ioat-warning-fix.patch
pci-legacy-resource-fix.patch
pci-disable-multithreaded-probing.patch
drivers-scsi-mca_53c9xc-save_flags-cli-removal.patch
scsi-cover-up-bugs-fix-up-compiler-warnings-in-megaraid-driver.patch
git-qla3xxx-fixup.patch
funsoft-is-bust-on-sparc.patch
nokia-e70-is-an-unusual-device.patch
fix-gregkh-usb-usb-ehci-hcd-add-shadow-budget-code.patch
git-wireless.patch
revert-i386-fix-the-verify_quirk_intel_irqbalance.patch
revert-x86_64-mm-add-genapic_force.patch
revert-x86_64-mm-fix-the-irqbalance-quirk-for-e7320-e7520-e7525.patch
revert-x86_64-mm-copy-user-nocache.patch
add-memcpy_uncached_read.patch
touchkit-ps-2-touchscreen-driver.patch
virtual-memmap-on-sparsemem-v3-map-and-unmap-fix-2.patch
virtual-memmap-on-sparsemem-v3-map-and-unmap-fix-3.patch
lumpy-reclaim-v2-page_to_pfn-fix.patch
lumpy-reclaim-v2-tidy.patch
nfs-fix-nr_file_dirty-underflow-tidy.patch
deprecate-smbfs-in-favour-of-cifs.patch
drivers-add-lcd-support-3-Kconfig-fix.patch
drivers-add-lcd-support-workqueue-fixups.patch
ecryptfs-public-key-packet-management-slab-fix.patch
add-retain_initrd-boot-option-tweak.patch
count_vm_events-warning-fix.patch
toshiba-tc86c001-ide-driver-take-2-fix-2.patch
procfs-fix-race-between-proc_readdir-and-remove_proc_entry-fix.patch
schedule_on_each_cpu-use-preempt_disable.patch
gtod-persistent-clock-support-i386.patch
hrtimers-clean-up-locking.patch
hrtimers-add-state-tracking.patch
clockevents-i386-drivers.patch
workqueue-dont-hold-workqueue_mutex-in-flush_scheduled_work.patch
move-page-writeback-acounting-out-of-macros.patch
per-backing_dev-dirty-and-writeback-page-accounting.patch
ext2-reservations.patch
edac-new-opteron-athlon64-memory-controller-driver.patch
sched-improve-efficiency-of-sched_fork-tidy.patch
sched2-sched-domain-sysctl-use-ctl_unnumbered.patch
mm-implement-swap-prefetching-use-ctl_unnumbered.patch
swap_prefetch-vs-zoned-counters.patch
add-include-linux-freezerh-and-move-definitions-from-prefetch.patch
readahead-kconfig-options-fix.patch
readahead-minmax_ra_pages.patch
readahead-sysctl-parameters.patch
readahead-sysctl-parameters-use-ctl_unnumbered.patch
readahead-context-based-method-locking-fix.patch
readahead-context-based-method-locking-fix-2.patch
readahead-call-scheme-ifdef-fix.patch
readahead-call-scheme-build-fix.patch
readahead-nfsd-case-fix.patch
make-copy_from_user_inatomic-not-zero-the-tail-on-i386-vs-reiser4.patch
resier4-add-include-linux-freezerh-and-move-definitions-from.patch
make-kmem_cache_destroy-return-void-reiser4.patch
reiser4-hardirq-include-fix.patch
reiser4-run-truncate_inode_pages-in-reiser4_delete_inode.patch
reiser4-get_sb_dev-fix.patch
reiser4-vs-zoned-allocator.patch
reiser4-temp-fix.patch
reiser4-kmem_cache_t-removal.patch
hpt3xx-rework-rate-filtering-tidy.patch
jmicron-warning-fix.patch
statistics-infrastructure-fix-buffer-overflow-in-histogram-with-linear-tidy.patch
extend-notifier_call_chain-to-count-nr_calls-made.patch
extend-notifier_call_chain-to-count-nr_calls-made-fixes-2.patch
define-and-use-new-eventscpu_lock_acquire-and-cpu_lock_release-fix.patch
eliminate-lock_cpu_hotplug-in-kernel-schedc-fix.patch
slim-main-include-fix.patch
nr_blockdev_pages-in_interrupt-warning.patch
device-suspend-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
vdso-print-fatal-signals-use-ctl_unnumbered.patch
restore-rogue-readahead-printk.patch
put_bh-debug.patch
e1000-printk-warning-fixes.patch
acpi_format_exception-debug.patch
add-debugging-aid-for-memory-initialisation-problems-fix.patch
kmap_atomic-debugging.patch
shrink_slab-handle-bad-shrinkers.patch
squash-ipc-warnings.patch
squash-udf-warnings.patch
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