diff options
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/lockdep.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 726b22ce7d0b..58c88220a478 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -4917,6 +4917,9 @@ EXPORT_SYMBOL_GPL(lockdep_init_map_type); struct lock_class_key __lockdep_no_validate__; EXPORT_SYMBOL_GPL(__lockdep_no_validate__); +struct lock_class_key __lockdep_no_track__; +EXPORT_SYMBOL_GPL(__lockdep_no_track__); + #ifdef CONFIG_PROVE_LOCKING void lockdep_set_lock_cmp_fn(struct lockdep_map *lock, lock_cmp_fn cmp_fn, lock_print_fn print_fn) @@ -5001,6 +5004,9 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, if (unlikely(!debug_locks)) return 0; + if (unlikely(lock->key == &__lockdep_no_track__)) + return 0; + if (!prove_locking || lock->key == &__lockdep_no_validate__) check = 0; @@ -5763,7 +5769,8 @@ void lock_release(struct lockdep_map *lock, unsigned long ip) trace_lock_release(lock, ip); - if (unlikely(!lockdep_enabled())) + if (unlikely(!lockdep_enabled() || + lock->key == &__lockdep_no_track__)) return; raw_local_irq_save(flags); |