Commit 854267f4 authored Oct 02, 2013 by Peter Zijlstra Committed by Ingo Molnar Oct 04, 2013

sched/wait: Collapse __wait_event()



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>

parent 41a1431b

include/linux/wait.h

+2 −11

Original line number	Diff line number	Diff line
		@@ -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