178 static inline long __arch_read_trylock(arch_rwlock_t *rw)  in __arch_read_trylock()  argument
191 	: "r" (&rw->lock)  in __arch_read_trylock()
201 static inline long __arch_write_trylock(arch_rwlock_t *rw)  in __arch_write_trylock()  argument
214 	: "r" (token), "r" (&rw->lock)  in __arch_write_trylock()
220 static inline void arch_read_lock(arch_rwlock_t *rw)  in arch_read_lock()  argument
223 		if (likely(__arch_read_trylock(rw) > 0))  in arch_read_lock()
228 				splpar_rw_yield(rw);  in arch_read_lock()
229 		} while (unlikely(rw->lock < 0));  in arch_read_lock()
234 static inline void arch_write_lock(arch_rwlock_t *rw)  in arch_write_lock()  argument
237 		if (likely(__arch_write_trylock(rw) == 0))  in arch_write_lock()
242 				splpar_rw_yield(rw);  in arch_write_lock()
243 		} while (unlikely(rw->lock != 0));  in arch_write_lock()
248 static inline int arch_read_trylock(arch_rwlock_t *rw)  in arch_read_trylock()  argument
250 	return __arch_read_trylock(rw) > 0;  in arch_read_trylock()
253 static inline int arch_write_trylock(arch_rwlock_t *rw)  in arch_write_trylock()  argument
255 	return __arch_write_trylock(rw) == 0;  in arch_write_trylock()
258 static inline void arch_read_unlock(arch_rwlock_t *rw)  in arch_read_unlock()  argument
270 	: "r"(&rw->lock)  in arch_read_unlock()
274 static inline void arch_write_unlock(arch_rwlock_t *rw)  in arch_write_unlock()  argument
278 	rw->lock = 0;  in arch_write_unlock()