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authorPeter Zijlstra <peterz@infradead.org>2013-10-02 11:22:27 +0200
committerIngo Molnar <mingo@kernel.org>2013-10-04 10:14:50 +0200
commit13cb5042a4b80396f77cf5d599d2c002c57b89dc (patch)
tree134b6261ebce6ac41b39193427a164b516ae7312 /include/linux/wait.h
parent48c2521717b39cb6904941ec2847d9775669207a (diff)
downloadop-kernel-dev-13cb5042a4b80396f77cf5d599d2c002c57b89dc.zip
op-kernel-dev-13cb5042a4b80396f77cf5d599d2c002c57b89dc.tar.gz
sched/wait: Collapse __wait_event_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/20131002092528.612813379@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/wait.h')
-rw-r--r--include/linux/wait.h20
1 files changed, 6 insertions, 14 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h
index c4ab172..d64918e 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -624,20 +624,12 @@ do { \
#define __wait_event_lock_irq(wq, condition, lock, cmd) \
-do { \
- DEFINE_WAIT(__wait); \
- \
- for (;;) { \
- prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE); \
- if (condition) \
- break; \
- spin_unlock_irq(&lock); \
- cmd; \
- schedule(); \
- spin_lock_irq(&lock); \
- } \
- finish_wait(&wq, &__wait); \
-} while (0)
+ ___wait_event(wq, condition, TASK_UNINTERRUPTIBLE, 0, \
+ ___wait_nop_ret, \
+ spin_unlock_irq(&lock); \
+ cmd; \
+ schedule(); \
+ spin_lock_irq(&lock))
/**
* wait_event_lock_irq_cmd - sleep until a condition gets true. The
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