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sched/wait: Collapse __wait_event_interruptible_lock_irq_timeout() 

Reduce macro complexity by using the new ___wait_event() helper.
No change in behaviour, identical generated code.

Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131002092528.759956109@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2013-10-02 11:22:29 +02:00 committed by Ingo Molnar
parent 8fbd88fa17
commit a1dc6852ac
1 changed files with 6 additions and 19 deletions
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25
include/linux/wait.h
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@ -763,25 +763,12 @@ do { \
__ret; \
})
#define __wait_event_interruptible_lock_irq_timeout(wq, condition, \
lock, ret) \
do { \
DEFINE_WAIT(__wait); \
\
for (;;) { \
prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \
if (___wait_cond_timeout(condition, ret)) \
break; \
if (signal_pending(current)) { \
ret = -ERESTARTSYS; \
break; \
} \
spin_unlock_irq(&lock); \
ret = schedule_timeout(ret); \
spin_lock_irq(&lock); \
} \
finish_wait(&wq, &__wait); \
} while (0)
#define __wait_event_interruptible_lock_irq_timeout(wq, condition, lock, ret) \
___wait_event(wq, ___wait_cond_timeout(condition, ret), \
TASK_INTERRUPTIBLE, 0, ret, \
spin_unlock_irq(&lock); \
ret = schedule_timeout(ret); \
spin_lock_irq(&lock));
/**
* wait_event_interruptible_lock_irq_timeout - sleep until a condition gets true or a timeout elapses.