AcoSail/kernel_optimize_test
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[PATCH] mark mutex_lock*() as might_sleep()

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Mark mutex_lock() and mutex_lock_interruptible() as might_sleep()
functions.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-01-10 22:10:36 +01:00 committed by Linus Torvalds
parent 73165b88ff
commit c544bdb199
1 changed files with 2 additions and 0 deletions
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kernel/mutex.c
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@ -81,6 +81,7 @@ __mutex_lock_slowpath(atomic_t *lock_count __IP_DECL__);
*/
void fastcall __sched mutex_lock(struct mutex *lock)
{
might_sleep();
/*
* The locking fastpath is the 1->0 transition from
* 'unlocked' into 'locked' state.
@ -253,6 +254,7 @@ __mutex_lock_interruptible_slowpath(atomic_t *lock_count __IP_DECL__);
*/
int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
{
might_sleep();
return __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_interruptible_slowpath);
}