[PATCH] mark mutex_lock*() as might_sleep()
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>
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committed by
Linus Torvalds
parent
73165b88ff
commit
c544bdb199
@@ -81,6 +81,7 @@ __mutex_lock_slowpath(atomic_t *lock_count __IP_DECL__);
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*/
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*/
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void fastcall __sched mutex_lock(struct mutex *lock)
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void fastcall __sched mutex_lock(struct mutex *lock)
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{
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{
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might_sleep();
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/*
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/*
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* The locking fastpath is the 1->0 transition from
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* The locking fastpath is the 1->0 transition from
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* 'unlocked' into 'locked' state.
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* 'unlocked' into 'locked' state.
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@@ -253,6 +254,7 @@ __mutex_lock_interruptible_slowpath(atomic_t *lock_count __IP_DECL__);
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*/
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*/
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int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
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int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
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{
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{
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might_sleep();
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return __mutex_fastpath_lock_retval
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return __mutex_fastpath_lock_retval
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(&lock->count, __mutex_lock_interruptible_slowpath);
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(&lock->count, __mutex_lock_interruptible_slowpath);
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}
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}
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