269 void arch_read_lock_wait(arch_rwlock_t *rw)  in arch_read_lock_wait()  argument
272 		while (READ_ONCE(rw->cnts) & 0x10000)  in arch_read_lock_wait()
278 	__atomic_add_const(-1, &rw->cnts);  in arch_read_lock_wait()
280 	arch_spin_lock(&rw->wait);  in arch_read_lock_wait()
282 	__atomic_add_const(1, &rw->cnts);  in arch_read_lock_wait()
284 	while (READ_ONCE(rw->cnts) & 0x10000)  in arch_read_lock_wait()
286 	arch_spin_unlock(&rw->wait);  in arch_read_lock_wait()
290 void arch_write_lock_wait(arch_rwlock_t *rw)  in arch_write_lock_wait()  argument
295 	__atomic_add(0x20000, &rw->cnts);  in arch_write_lock_wait()
298 	arch_spin_lock(&rw->wait);  in arch_write_lock_wait()
301 		old = READ_ONCE(rw->cnts);  in arch_write_lock_wait()
303 		    __atomic_cmpxchg_bool(&rw->cnts, old, old | 0x10000))  in arch_write_lock_wait()
309 	arch_spin_unlock(&rw->wait);  in arch_write_lock_wait()