177 static inline long __arch_read_trylock(arch_rwlock_t *rw)  in __arch_read_trylock()  argument
190 	: "r" (&rw->lock)  in __arch_read_trylock()
200 static inline long __arch_write_trylock(arch_rwlock_t *rw)  in __arch_write_trylock()  argument
213 	: "r" (token), "r" (&rw->lock)  in __arch_write_trylock()
219 static inline void arch_read_lock(arch_rwlock_t *rw)  in arch_read_lock()  argument
222 		if (likely(__arch_read_trylock(rw) > 0))  in arch_read_lock()
227 				splpar_rw_yield(rw);  in arch_read_lock()
228 		} while (unlikely(rw->lock < 0));  in arch_read_lock()
233 static inline void arch_write_lock(arch_rwlock_t *rw)  in arch_write_lock()  argument
236 		if (likely(__arch_write_trylock(rw) == 0))  in arch_write_lock()
241 				splpar_rw_yield(rw);  in arch_write_lock()
242 		} while (unlikely(rw->lock != 0));  in arch_write_lock()
247 static inline int arch_read_trylock(arch_rwlock_t *rw)  in arch_read_trylock()  argument
249 	return __arch_read_trylock(rw) > 0;  in arch_read_trylock()
252 static inline int arch_write_trylock(arch_rwlock_t *rw)  in arch_write_trylock()  argument
254 	return __arch_write_trylock(rw) == 0;  in arch_write_trylock()
257 static inline void arch_read_unlock(arch_rwlock_t *rw)  in arch_read_unlock()  argument
269 	: "r"(&rw->lock)  in arch_read_unlock()
273 static inline void arch_write_unlock(arch_rwlock_t *rw)  in arch_write_unlock()  argument
277 	rw->lock = 0;  in arch_write_unlock()