diff options
Diffstat (limited to 'lib/spinlock_debug.c')
| -rw-r--r-- | lib/spinlock_debug.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c index dafaf1de249..479fd462eaa 100644 --- a/lib/spinlock_debug.c +++ b/lib/spinlock_debug.c @@ -7,6 +7,7 @@ */ #include <linux/spinlock.h> +#include <linux/nmi.h> #include <linux/interrupt.h> #include <linux/debug_locks.h> #include <linux/delay.h> @@ -20,7 +21,7 @@ void __spin_lock_init(spinlock_t *lock, const char *name, * 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); + lockdep_init_map(&lock->dep_map, name, key, 0); #endif lock->raw_lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; lock->magic = SPINLOCK_MAGIC; @@ -38,7 +39,7 @@ void __rwlock_init(rwlock_t *lock, const char *name, * 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); + lockdep_init_map(&lock->dep_map, name, key, 0); #endif lock->raw_lock = (raw_rwlock_t) __RAW_RW_LOCK_UNLOCKED; lock->magic = RWLOCK_MAGIC; @@ -117,6 +118,9 @@ static void __spin_lock_debug(spinlock_t *lock) raw_smp_processor_id(), current->comm, current->pid, lock); dump_stack(); +#ifdef CONFIG_SMP + trigger_all_cpu_backtrace(); +#endif } } } |