diff options
Diffstat (limited to 'include/linux/local_lock_internal.h')
| -rw-r--r-- | include/linux/local_lock_internal.h | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/include/linux/local_lock_internal.h b/include/linux/local_lock_internal.h index ded90b097e6e..3f02b818625e 100644 --- a/include/linux/local_lock_internal.h +++ b/include/linux/local_lock_internal.h @@ -14,29 +14,14 @@ typedef struct { } local_lock_t; #ifdef CONFIG_DEBUG_LOCK_ALLOC -# define LL_DEP_MAP_INIT(lockname) \ +# define LOCAL_LOCK_DEBUG_INIT(lockname) \ .dep_map = { \ .name = #lockname, \ .wait_type_inner = LD_WAIT_CONFIG, \ - .lock_type = LD_LOCK_PERCPU, \ - } -#else -# define LL_DEP_MAP_INIT(lockname) -#endif - -#define INIT_LOCAL_LOCK(lockname) { LL_DEP_MAP_INIT(lockname) } - -#define __local_lock_init(lock) \ -do { \ - static struct lock_class_key __key; \ - \ - debug_check_no_locks_freed((void *)lock, sizeof(*lock));\ - lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, 0, \ - LD_WAIT_CONFIG, LD_WAIT_INV, \ - LD_LOCK_PERCPU); \ -} while (0) + .lock_type = LD_LOCK_PERCPU, \ + }, \ + .owner = NULL, -#ifdef CONFIG_DEBUG_LOCK_ALLOC static inline void local_lock_acquire(local_lock_t *l) { lock_map_acquire(&l->dep_map); @@ -51,11 +36,30 @@ static inline void local_lock_release(local_lock_t *l) lock_map_release(&l->dep_map); } +static inline void local_lock_debug_init(local_lock_t *l) +{ + l->owner = NULL; +} #else /* CONFIG_DEBUG_LOCK_ALLOC */ +# define LOCAL_LOCK_DEBUG_INIT(lockname) static inline void local_lock_acquire(local_lock_t *l) { } static inline void local_lock_release(local_lock_t *l) { } +static inline void local_lock_debug_init(local_lock_t *l) { } #endif /* !CONFIG_DEBUG_LOCK_ALLOC */ +#define INIT_LOCAL_LOCK(lockname) { LOCAL_LOCK_DEBUG_INIT(lockname) } + +#define __local_lock_init(lock) \ +do { \ + static struct lock_class_key __key; \ + \ + debug_check_no_locks_freed((void *)lock, sizeof(*lock));\ + lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, \ + 0, LD_WAIT_CONFIG, LD_WAIT_INV, \ + LD_LOCK_PERCPU); \ + local_lock_debug_init(lock); \ +} while (0) + #define __local_lock(lock) \ do { \ preempt_disable(); \ |