342 static inline void hb_waiters_inc(struct futex_hash_bucket *hb)  in hb_waiters_inc()  argument
345 	atomic_inc(&hb->waiters);  in hb_waiters_inc()
357 static inline void hb_waiters_dec(struct futex_hash_bucket *hb)  in hb_waiters_dec()  argument
360 	atomic_dec(&hb->waiters);  in hb_waiters_dec()
364 static inline int hb_waiters_pending(struct futex_hash_bucket *hb)  in hb_waiters_pending()  argument
367 	return atomic_read(&hb->waiters);  in hb_waiters_pending()
765 static struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb,  in futex_top_waiter()  argument
770 	plist_for_each_entry(this, &hb->chain, list) {  in futex_top_waiter()
897 	struct futex_hash_bucket *hb;  in exit_pi_state_list()  local
912 		hb = hash_futex(&key);  in exit_pi_state_list()
932 		spin_lock(&hb->lock);  in exit_pi_state_list()
942 			spin_unlock(&hb->lock);  in exit_pi_state_list()
954 		spin_unlock(&hb->lock);  in exit_pi_state_list()
1309 			   struct futex_hash_bucket *hb,  in lookup_pi_state()  argument
1312 	struct futex_q *top_waiter = futex_top_waiter(hb, key);  in lookup_pi_state()
1362 static int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb,  in futex_lock_pi_atomic()  argument
1394 	top_waiter = futex_top_waiter(hb, key);  in futex_lock_pi_atomic()
1446 	struct futex_hash_bucket *hb;  in __unqueue_futex()  local
1452 	hb = container_of(q->lock_ptr, struct futex_hash_bucket, lock);  in __unqueue_futex()
1453 	plist_del(&q->list, &hb->chain);  in __unqueue_futex()
1454 	hb_waiters_dec(hb);  in __unqueue_futex()
1597 	struct futex_hash_bucket *hb;  in futex_wake()  local
1610 	hb = hash_futex(&key);  in futex_wake()
1613 	if (!hb_waiters_pending(hb))  in futex_wake()
1616 	spin_lock(&hb->lock);  in futex_wake()
1618 	plist_for_each_entry_safe(this, next, &hb->chain, list) {  in futex_wake()
1635 	spin_unlock(&hb->lock);  in futex_wake()
1830 			   struct futex_hash_bucket *hb)  in requeue_pi_wake_futex()  argument
1840 	q->lock_ptr = &hb->lock;  in requeue_pi_wake_futex()
2222 	__acquires(&hb->lock)  in queue_lock()
2224 	struct futex_hash_bucket *hb;  in queue_lock()  local
2226 	hb = hash_futex(&q->key);  in queue_lock()
2236 	hb_waiters_inc(hb); /* implies smp_mb(); (A) */  in queue_lock()
2238 	q->lock_ptr = &hb->lock;  in queue_lock()
2240 	spin_lock(&hb->lock);  in queue_lock()
2241 	return hb;  in queue_lock()
2245 queue_unlock(struct futex_hash_bucket *hb)  in queue_unlock()  argument
2246 	__releases(&hb->lock)  in queue_unlock()
2248 	spin_unlock(&hb->lock);  in queue_unlock()
2249 	hb_waiters_dec(hb);  in queue_unlock()
2252 static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in __queue_me()  argument
2267 	plist_add(&q->list, &hb->chain);  in __queue_me()
2283 static inline void queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in queue_me()  argument
2284 	__releases(&hb->lock)  in queue_me()
2286 	__queue_me(q, hb);  in queue_me()
2287 	spin_unlock(&hb->lock);  in queue_me()
2600 static void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q,  in futex_wait_queue_me()  argument
2610 	queue_me(q, hb);  in futex_wait_queue_me()
2650 			   struct futex_q *q, struct futex_hash_bucket **hb)  in futex_wait_setup()  argument
2679 	*hb = queue_lock(q);  in futex_wait_setup()
2684 		queue_unlock(*hb);  in futex_wait_setup()
2698 		queue_unlock(*hb);  in futex_wait_setup()
2713 	struct futex_hash_bucket *hb;  in futex_wait()  local
2728 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait()
2733 	futex_wait_queue_me(hb, &q, to);  in futex_wait()
2805 	struct futex_hash_bucket *hb;  in futex_lock_pi()  local
2823 	hb = queue_lock(&q);  in futex_lock_pi()
2825 	ret = futex_lock_pi_atomic(uaddr, hb, &q.key, &q.pi_state, current, 0);  in futex_lock_pi()
2845 			queue_unlock(hb);  in futex_lock_pi()
2859 	__queue_me(&q, hb);  in futex_lock_pi()
2951 	queue_unlock(hb);  in futex_lock_pi()
2963 	queue_unlock(hb);  in futex_lock_pi()
2985 	struct futex_hash_bucket *hb;  in futex_unlock_pi()  local
3005 	hb = hash_futex(&key);  in futex_unlock_pi()
3006 	spin_lock(&hb->lock);  in futex_unlock_pi()
3013 	top_waiter = futex_top_waiter(hb, &key);  in futex_unlock_pi()
3040 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3079 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3099 	spin_unlock(&hb->lock);  in futex_unlock_pi()
3136 int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,  in handle_early_requeue_pi_wakeup()  argument
3150 		WARN_ON(q->lock_ptr && (&hb->lock != q->lock_ptr));  in handle_early_requeue_pi_wakeup()
3155 		plist_del(&q->list, &hb->chain);  in handle_early_requeue_pi_wakeup()
3156 		hb_waiters_dec(hb);  in handle_early_requeue_pi_wakeup()
3215 	struct futex_hash_bucket *hb;  in futex_wait_requeue_pi()  local
3250 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
3259 		queue_unlock(hb);  in futex_wait_requeue_pi()
3265 	futex_wait_queue_me(hb, &q, to);  in futex_wait_requeue_pi()
3267 	spin_lock(&hb->lock);  in futex_wait_requeue_pi()
3268 	ret = handle_early_requeue_pi_wakeup(hb, &q, &key2, to);  in futex_wait_requeue_pi()
3269 	spin_unlock(&hb->lock);  in futex_wait_requeue_pi()