270 void arch_read_lock_wait(arch_rwlock_t *rw)  in arch_read_lock_wait()  argument
273 		while (READ_ONCE(rw->cnts) & 0x10000)  in arch_read_lock_wait()
279 	__atomic_add_const(-1, &rw->cnts);  in arch_read_lock_wait()
281 	arch_spin_lock(&rw->wait);  in arch_read_lock_wait()
283 	__atomic_add_const(1, &rw->cnts);  in arch_read_lock_wait()
285 	while (READ_ONCE(rw->cnts) & 0x10000)  in arch_read_lock_wait()
287 	arch_spin_unlock(&rw->wait);  in arch_read_lock_wait()
291 void arch_write_lock_wait(arch_rwlock_t *rw)  in arch_write_lock_wait()  argument
296 	__atomic_add(0x20000, &rw->cnts);  in arch_write_lock_wait()
299 	arch_spin_lock(&rw->wait);  in arch_write_lock_wait()
302 		old = READ_ONCE(rw->cnts);  in arch_write_lock_wait()
304 		    __atomic_cmpxchg_bool(&rw->cnts, old, old | 0x10000))  in arch_write_lock_wait()
310 	arch_spin_unlock(&rw->wait);  in arch_write_lock_wait()