| #ifndef SMP_SPINLOCK_H | |
| #define SMP_SPINLOCK_H | |
| #if CONFIG_SMP | |
| #include <arch/smp/spinlock.h> | |
| #else /* !CONFIG_SMP */ | |
| #define DECLARE_SPIN_LOCK(x) | |
| #define barrier() do {} while (0) | |
| #define spin_is_locked(lock) 0 | |
| #define spin_unlock_wait(lock) do {} while (0) | |
| #define spin_lock(lock) do {} while (0) | |
| #define spin_unlock(lock) do {} while (0) | |
| #define cpu_relax() do {} while (0) | |
| #endif | |
| #endif /* SMP_SPINLOCK_H */ |