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| author | Peter Zijlstra <peterz@infradead.org> | 2016-09-19 12:15:37 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-06-08 10:35:49 +0200 |
| commit | f5694788ad8da5da41b501f3d6d2ae22379c4ef9 (patch) | |
| tree | 660f642ba2afcd13ef71449526184480202e8d63 /kernel/locking/rtmutex-debug.c | |
| parent | 3942b77121986519ee52ab4dd4ae8f4383dfe765 (diff) | |
| download | lwn-f5694788ad8da5da41b501f3d6d2ae22379c4ef9.tar.gz lwn-f5694788ad8da5da41b501f3d6d2ae22379c4ef9.zip | |
rt_mutex: Add lockdep annotations
Now that (PI) futexes have their own private RT-mutex interface and
implementation we can easily add lockdep annotations to the existing
RT-mutex interface.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/rtmutex-debug.c')
| -rw-r--r-- | kernel/locking/rtmutex-debug.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/locking/rtmutex-debug.c b/kernel/locking/rtmutex-debug.c index 58e366ad36f4..ac35e648b0e5 100644 --- a/kernel/locking/rtmutex-debug.c +++ b/kernel/locking/rtmutex-debug.c @@ -166,12 +166,16 @@ void debug_rt_mutex_free_waiter(struct rt_mutex_waiter *waiter) memset(waiter, 0x22, sizeof(*waiter)); } -void debug_rt_mutex_init(struct rt_mutex *lock, const char *name) +void debug_rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key) { /* * Make sure we are not reinitializing a held lock: */ debug_check_no_locks_freed((void *)lock, sizeof(*lock)); lock->name = name; + +#ifdef CONFIG_DEBUG_LOCK_ALLOC + lockdep_init_map(&lock->dep_map, name, key, 0); +#endif } |