diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 00:24:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 15:27:04 -0700 |
| commit | ef5d4707b9065c0cf8a69fa3716893f3b75201ba (patch) | |
| tree | 9ec92f31356bf404486c1b26df9fa40bd784f983 /kernel/mutex-debug.c | |
| parent | 8a25d5debff2daee280e83e09d8c25d67c26a972 (diff) | |
| download | lwn-ef5d4707b9065c0cf8a69fa3716893f3b75201ba.tar.gz lwn-ef5d4707b9065c0cf8a69fa3716893f3b75201ba.zip | |
[PATCH] lockdep: prove mutex locking correctness
Use the lock validator framework to prove mutex locking correctness.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/mutex-debug.c')
| -rw-r--r-- | kernel/mutex-debug.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c index 5569766a1ea2..e3203c654dda 100644 --- a/kernel/mutex-debug.c +++ b/kernel/mutex-debug.c @@ -83,12 +83,16 @@ void debug_mutex_unlock(struct mutex *lock) DEBUG_LOCKS_WARN_ON(lock->owner != current_thread_info()); } -void debug_mutex_init(struct mutex *lock, const char *name) +void debug_mutex_init(struct mutex *lock, const char *name, + struct lock_class_key *key) { +#ifdef CONFIG_DEBUG_LOCK_ALLOC /* * Make sure we are not reinitializing a held lock: */ debug_check_no_locks_freed((void *)lock, sizeof(*lock)); + lockdep_init_map(&lock->dep_map, name, key); +#endif lock->owner = NULL; lock->magic = lock; } |