14 #define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)  argument
15 #define arch_spin_is_locked(x)	((x)->lock != 0)
17 		do { cpu_relax(); } while ((x)->lock)
19 static inline void arch_spin_unlock(arch_spinlock_t * lock)  in arch_spin_unlock()  argument
22 	lock->lock = 0;  in arch_spin_unlock()
25 static inline void arch_spin_lock(arch_spinlock_t * lock)  in arch_spin_lock()  argument
41 	: "=&r" (tmp), "=m" (lock->lock)  in arch_spin_lock()
42 	: "m"(lock->lock) : "memory");  in arch_spin_lock()
45 static inline int arch_spin_trylock(arch_spinlock_t *lock)  in arch_spin_trylock()  argument
47 	return !test_and_set_bit(0, &lock->lock);  in arch_spin_trylock()
52 static inline int arch_read_can_lock(arch_rwlock_t *lock)  in arch_read_can_lock()  argument
54 	return (lock->lock & 1) == 0;  in arch_read_can_lock()
57 static inline int arch_write_can_lock(arch_rwlock_t *lock)  in arch_write_can_lock()  argument
59 	return lock->lock == 0;  in arch_write_can_lock()
62 static inline void arch_read_lock(arch_rwlock_t *lock)  in arch_read_lock()  argument
78 	: "=m" (*lock), "=&r" (regx)  in arch_read_lock()
79 	: "m" (*lock) : "memory");  in arch_read_lock()
82 static inline void arch_write_lock(arch_rwlock_t *lock)  in arch_write_lock()  argument
98 	: "=m" (*lock), "=&r" (regx)  in arch_write_lock()
99 	: "m" (*lock) : "memory");  in arch_write_lock()
102 static inline int arch_read_trylock(arch_rwlock_t * lock)  in arch_read_trylock()  argument
118 	: "=m" (*lock), "=&r" (regx), "=&r" (success)  in arch_read_trylock()
119 	: "m" (*lock) : "memory");  in arch_read_trylock()
124 static inline int arch_write_trylock(arch_rwlock_t * lock)  in arch_write_trylock()  argument
140 	: "=m" (*lock), "=&r" (regx), "=&r" (success)  in arch_write_trylock()
141 	: "m" (*lock) : "memory");  in arch_write_trylock()
146 static inline void arch_read_unlock(arch_rwlock_t * lock)  in arch_read_unlock()  argument
158 	: "=m" (*lock), "=&r" (regx)  in arch_read_unlock()
159 	: "m" (*lock) : "memory");  in arch_read_unlock()
162 static inline void arch_write_unlock(arch_rwlock_t * lock)  in arch_write_unlock()  argument
165 	lock->lock = 0;  in arch_write_unlock()
168 #define arch_read_lock_flags(lock, flags) arch_read_lock(lock)  argument
169 #define arch_write_lock_flags(lock, flags) arch_write_lock(lock)  argument