diff options
Diffstat (limited to 'include/linux/spinlock.h')
| -rw-r--r-- | include/linux/spinlock.h | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 031ce8617df8..d3770b3f9d9a 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -93,12 +93,13 @@ #ifdef CONFIG_DEBUG_SPINLOCK extern void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name, - struct lock_class_key *key); -# define raw_spin_lock_init(lock) \ -do { \ - static struct lock_class_key __key; \ - \ - __raw_spin_lock_init((lock), #lock, &__key); \ + struct lock_class_key *key, short inner); + +# define raw_spin_lock_init(lock) \ +do { \ + static struct lock_class_key __key; \ + \ + __raw_spin_lock_init((lock), #lock, &__key, LD_WAIT_SPIN); \ } while (0) #else @@ -327,12 +328,26 @@ static __always_inline raw_spinlock_t *spinlock_check(spinlock_t *lock) return &lock->rlock; } -#define spin_lock_init(_lock) \ -do { \ - spinlock_check(_lock); \ - raw_spin_lock_init(&(_lock)->rlock); \ +#ifdef CONFIG_DEBUG_SPINLOCK + +# define spin_lock_init(lock) \ +do { \ + static struct lock_class_key __key; \ + \ + __raw_spin_lock_init(spinlock_check(lock), \ + #lock, &__key, LD_WAIT_CONFIG); \ +} while (0) + +#else + +# define spin_lock_init(_lock) \ +do { \ + spinlock_check(_lock); \ + *(_lock) = __SPIN_LOCK_UNLOCKED(_lock); \ } while (0) +#endif + static __always_inline void spin_lock(spinlock_t *lock) { raw_spin_lock(&lock->rlock); |