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sched/wait: Collapse __wait_event_interruptible_lock_irq() 

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/20131002092528.686006009@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2013-10-02 11:22:28 +02:00 committed by Ingo Molnar
parent 13cb5042a4
commit 8fbd88fa17
1 changed files with 6 additions and 20 deletions
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26
include/linux/wait.h
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@ -689,26 +689,12 @@ do { \
} while (0) } while (0)
#define __wait_event_interruptible_lock_irq(wq, condition, \ #define __wait_event_interruptible_lock_irq(wq, condition, lock, ret, cmd) \
lock, ret, cmd) \ ___wait_event(wq, condition, TASK_INTERRUPTIBLE, 0, ret, \
do { \ spin_unlock_irq(&lock); \
DEFINE_WAIT(__wait); \ cmd; \
\ schedule(); \
for (;;) { \ spin_lock_irq(&lock))
prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \
if (condition) \
break; \
if (signal_pending(current)) { \
ret = -ERESTARTSYS; \
break; \
} \
spin_unlock_irq(&lock); \
cmd; \
schedule(); \
spin_lock_irq(&lock); \
} \
finish_wait(&wq, &__wait); \
} while (0)
/** /**
* wait_event_interruptible_lock_irq_cmd - sleep until a condition gets true. * wait_event_interruptible_lock_irq_cmd - sleep until a condition gets true.