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authorPeter Zijlstra <peterz@infradead.org>2013-10-02 11:22:23 +0200
committerIngo Molnar <mingo@kernel.org>2013-10-04 10:14:47 +0200
commitddc1994b8217527e1818f690f17597fc9cedf81b (patch)
tree8fbe8057665aa5b3fe568ac08d2e5fe1584e8f2b /include/linux/wait.h
parent854267f4384243b19c03a2942e84f06f2beb0952 (diff)
sched/wait: Collapse __wait_event_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/20131002092528.325264677@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/wait.h')
-rw-r--r--include/linux/wait.h14
1 files changed, 3 insertions, 11 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 68e3a628e157..546b94efc82e 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -247,17 +247,9 @@ do { \
} while (0)
#define __wait_event_timeout(wq, condition, ret) \
-do { \
- DEFINE_WAIT(__wait); \
- \
- for (;;) { \
- prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE); \
- if (___wait_cond_timeout(condition, ret)) \
- break; \
- ret = schedule_timeout(ret); \
- } \
- finish_wait(&wq, &__wait); \
-} while (0)
+ ___wait_event(wq, ___wait_cond_timeout(condition, ret), \
+ TASK_UNINTERRUPTIBLE, 0, ret, \
+ ret = schedule_timeout(ret))
/**
* wait_event_timeout - sleep until a condition gets true or a timeout elapses