16 #define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0)  argument
18 static inline void arch_spin_lock(arch_spinlock_t *lock)  in arch_spin_lock()  argument
34 	: "r" (lock)  in arch_spin_lock()
38 static inline int arch_spin_trylock(arch_spinlock_t *lock)  in arch_spin_trylock()  argument
43 			     : "r" (lock)  in arch_spin_trylock()
48 static inline void arch_spin_unlock(arch_spinlock_t *lock)  in arch_spin_unlock()  argument
50 	__asm__ __volatile__("stb %%g0, [%0]" : : "r" (lock) : "memory");  in arch_spin_unlock()
92 #define arch_read_lock(lock) \  argument
95 	__arch_read_lock(lock); \
112 #define arch_read_unlock(lock) \  argument
115 	__arch_read_unlock(lock); \
130 	*(volatile __u32 *)&lp->lock = ~0U;  in arch_write_lock()
133 static inline void arch_write_unlock(arch_rwlock_t *lock)  in arch_write_unlock()  argument
138 	: "r" (lock)  in arch_write_unlock()
148 			     : "r" (&rw->lock)  in arch_write_trylock()
152 		val = rw->lock & ~0xff;  in arch_write_trylock()
154 			((volatile u8*)&rw->lock)[3] = 0;  in arch_write_trylock()
156 			*(volatile u32*)&rw->lock = ~0U;  in arch_write_trylock()
177 #define arch_read_trylock(lock) \  argument
181 	res = __arch_read_trylock(lock); \