xiaomi-sm8450/android_kernel_xiaomi_sm8450
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sched: TIF_NEED_RESCHED -> need_reshed() cleanup

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Impact: cleanup

Use test_tsk_need_resched(), set_tsk_need_resched(), need_resched()
instead of using TIF_NEED_RESCHED.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <49B10BA4.9070209@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Lai Jiangshan
2009-03-06 19:40:20 +08:00
committed by Ingo Molnar
parent 7fc07d8410
commit 5ed0cec0ac
2 changed files with 6 additions and 6 deletions
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2
lib/kernel_lock.c
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@@ -39,7 +39,7 @@ static __cacheline_aligned_in_smp DEFINE_SPINLOCK(kernel_flag);
int __lockfunc __reacquire_kernel_lock(void)
{
while (!_raw_spin_trylock(&kernel_flag)) {
if (test_thread_flag(TIF_NEED_RESCHED))
if (need_resched())
return -EAGAIN;
cpu_relax();
}