| Waiman Long | d73a339 | 2015-04-24 14:56:31 -0400 | [diff] [blame] | 1 | #ifndef _ASM_X86_QSPINLOCK_H |
| 2 | #define _ASM_X86_QSPINLOCK_H |
| 3 | |
| 4 | #include <asm-generic/qspinlock_types.h> |
| 5 | |
| 6 | #define queued_spin_unlock queued_spin_unlock |
| 7 | /** |
| 8 | * queued_spin_unlock - release a queued spinlock |
| 9 | * @lock : Pointer to queued spinlock structure |
| 10 | * |
| 11 | * A smp_store_release() on the least-significant byte. |
| 12 | */ |
| 13 | static inline void queued_spin_unlock(struct qspinlock *lock) |
| 14 | { |
| 15 | smp_store_release((u8 *)lock, 0); |
| 16 | } |
| 17 | |
| 18 | #include <asm-generic/qspinlock.h> |
| 19 | |
| 20 | #endif /* _ASM_X86_QSPINLOCK_H */ |