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| author | Ingo Molnar <mingo@elte.hu> | 2011-05-26 15:48:30 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-05-26 15:48:39 +0400 |
| commit | 1102c660dd35725a11c7ca9365c237f2f42f6b30 (patch) | |
| tree | cd32d3053b30050182218e0d36b4aed7459c48de /include/linux/mutex.h | |
| parent | 6e9101aeec39961308176e0f59e73ac5d37d243a (diff) | |
| parent | 4db70f73e56961b9bcdfd0c36c62847a18b7dbb5 (diff) | |
| download | linux-1102c660dd35725a11c7ca9365c237f2f42f6b30.tar.xz | |
Merge branch 'linus' into perf/urgent
Merge reason: Linus applied an overlapping commit:
5f2e8e2b0bf0: kernel/watchdog.c: Use proper ANSI C prototypes
So merge it in to make sure we can iterate the file without conflicts.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/mutex.h')
| -rw-r--r-- | include/linux/mutex.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index c75471db576e..a940fe435aca 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -132,6 +132,7 @@ static inline int mutex_is_locked(struct mutex *lock) */ #ifdef CONFIG_DEBUG_LOCK_ALLOC extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass); +extern void _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock); extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock, unsigned int subclass); extern int __must_check mutex_lock_killable_nested(struct mutex *lock, @@ -140,6 +141,13 @@ extern int __must_check mutex_lock_killable_nested(struct mutex *lock, #define mutex_lock(lock) mutex_lock_nested(lock, 0) #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0) #define mutex_lock_killable(lock) mutex_lock_killable_nested(lock, 0) + +#define mutex_lock_nest_lock(lock, nest_lock) \ +do { \ + typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ + _mutex_lock_nest_lock(lock, &(nest_lock)->dep_map); \ +} while (0) + #else extern void mutex_lock(struct mutex *lock); extern int __must_check mutex_lock_interruptible(struct mutex *lock); @@ -148,6 +156,7 @@ extern int __must_check mutex_lock_killable(struct mutex *lock); # define mutex_lock_nested(lock, subclass) mutex_lock(lock) # define mutex_lock_interruptible_nested(lock, subclass) mutex_lock_interruptible(lock) # define mutex_lock_killable_nested(lock, subclass) mutex_lock_killable(lock) +# define mutex_lock_nest_lock(lock, nest_lock) mutex_lock(lock) #endif /* |