139 static inline void arch_write_lock(arch_rwlock_t *rw)  in arch_write_lock()  argument
143 	prefetchw(&rw->lock);  in arch_write_lock()
152 	: "r" (&rw->lock), "r" (0x80000000)  in arch_write_lock()
158 static inline int arch_write_trylock(arch_rwlock_t *rw)  in arch_write_trylock()  argument
162 	prefetchw(&rw->lock);  in arch_write_trylock()
170 		: "r" (&rw->lock), "r" (0x80000000)  in arch_write_trylock()
182 static inline void arch_write_unlock(arch_rwlock_t *rw)  in arch_write_unlock()  argument
189 	: "r" (&rw->lock), "r" (0)  in arch_write_unlock()
207 static inline void arch_read_lock(arch_rwlock_t *rw)  in arch_read_lock()  argument
211 	prefetchw(&rw->lock);  in arch_read_lock()
220 	: "r" (&rw->lock)  in arch_read_lock()
226 static inline void arch_read_unlock(arch_rwlock_t *rw)  in arch_read_unlock()  argument
232 	prefetchw(&rw->lock);  in arch_read_unlock()
240 	: "r" (&rw->lock)  in arch_read_unlock()
247 static inline int arch_read_trylock(arch_rwlock_t *rw)  in arch_read_trylock()  argument
251 	prefetchw(&rw->lock);  in arch_read_trylock()
259 		: "r" (&rw->lock)  in arch_read_trylock()