Messages in this thread Patch in this message |  | | Date | Fri, 28 Dec 2012 16:44:00 -0500 | From | Tejun Heo <> | Subject | [PATCH v2 15/25] x86/mce: don't use [delayed_]work_pending() |
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There's no need to test whether a (delayed) work item in pending before queueing, flushing or cancelling it. Most uses are unnecessary and quite a few of them are buggy.
Remove unnecessary pending tests from x86/mce. Only compile tested.
v2: Local var work removed from mce_schedule_work() as suggested by Borislav.
Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Borislav Petkov <bp@alien8.de> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-edac@vger.kernel.org --- Applied to wq/for-3.9-cleanups. Thanks.
Thanks.
arch/x86/kernel/cpu/mcheck/mce.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-)
--- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -512,11 +512,8 @@ int mce_available(struct cpuinfo_x86 *c) static void mce_schedule_work(void) { - if (!mce_ring_empty()) { - struct work_struct *work = &__get_cpu_var(mce_work); - if (!work_pending(work)) - schedule_work(work); - } + if (!mce_ring_empty()) + schedule_work(&__get_cpu_var(mce_work)); } DEFINE_PER_CPU(struct irq_work, mce_irq_work); @@ -1351,12 +1348,7 @@ int mce_notify_irq(void) /* wake processes polling /dev/mcelog */ wake_up_interruptible(&mce_chrdev_wait); - /* - * There is no risk of missing notifications because - * work_pending is always cleared before the function is - * executed. - */ - if (mce_helper[0] && !work_pending(&mce_trigger_work)) + if (mce_helper[0]) schedule_work(&mce_trigger_work); if (__ratelimit(&ratelimit))
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