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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-07-19 01:48:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-19 10:04:49 -0700 |
| commit | 4fe87745a6722d42ff27a60768c77958fa1fc498 (patch) | |
| tree | adb116303fda951e0f7fc997db5de683e1bd8527 /kernel/rwsem.c | |
| parent | c46261de0d98372112d8edf16f74ce418a268d46 (diff) | |
| download | renesas_kernel-4fe87745a6722d42ff27a60768c77958fa1fc498.tar.gz renesas_kernel-4fe87745a6722d42ff27a60768c77958fa1fc498.tar.bz2 renesas_kernel-4fe87745a6722d42ff27a60768c77958fa1fc498.zip | |
lockstat: hook into spinlock_t, rwlock_t, rwsem and mutex
Call the new lockstat tracking functions from the various lock primitives.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/rwsem.c')
| -rw-r--r-- | kernel/rwsem.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/rwsem.c b/kernel/rwsem.c index 9a87886b022..1ec620c0306 100644 --- a/kernel/rwsem.c +++ b/kernel/rwsem.c @@ -20,7 +20,7 @@ void down_read(struct rw_semaphore *sem) might_sleep(); rwsem_acquire_read(&sem->dep_map, 0, 0, _RET_IP_); - __down_read(sem); + LOCK_CONTENDED(sem, __down_read_trylock, __down_read); } EXPORT_SYMBOL(down_read); @@ -47,7 +47,7 @@ void down_write(struct rw_semaphore *sem) might_sleep(); rwsem_acquire(&sem->dep_map, 0, 0, _RET_IP_); - __down_write(sem); + LOCK_CONTENDED(sem, __down_write_trylock, __down_write); } EXPORT_SYMBOL(down_write); @@ -111,7 +111,7 @@ void down_read_nested(struct rw_semaphore *sem, int subclass) might_sleep(); rwsem_acquire_read(&sem->dep_map, subclass, 0, _RET_IP_); - __down_read(sem); + LOCK_CONTENDED(sem, __down_read_trylock, __down_read); } EXPORT_SYMBOL(down_read_nested); @@ -130,7 +130,7 @@ void down_write_nested(struct rw_semaphore *sem, int subclass) might_sleep(); rwsem_acquire(&sem->dep_map, subclass, 0, _RET_IP_); - __down_write_nested(sem, subclass); + LOCK_CONTENDED(sem, __down_write_trylock, __down_write); } EXPORT_SYMBOL(down_write_nested); |