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sched/wait: Collapse __wait_event()

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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/20131002092528.254863348@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2013-10-02 11:22:22 +02:00 committed by Ingo Molnar
parent 41a1431b17
commit 854267f438
1 changed files with 2 additions and 11 deletions
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13
include/linux/wait.h
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@ -224,17 +224,8 @@ __out: ; \
} while (0)
#define __wait_event(wq, condition) \
do { \
DEFINE_WAIT(__wait); \
\
for (;;) { \
prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE); \
if (condition) \
break; \
schedule(); \
} \
finish_wait(&wq, &__wait); \
} while (0)
___wait_event(wq, condition, TASK_UNINTERRUPTIBLE, 0, \
___wait_nop_ret, schedule())
/**
* wait_event - sleep until a condition gets true