319 static inline void hb_waiters_inc(struct futex_hash_bucket *hb)  in hb_waiters_inc()  argument
322 	atomic_inc(&hb->waiters);  in hb_waiters_inc()
334 static inline void hb_waiters_dec(struct futex_hash_bucket *hb)  in hb_waiters_dec()  argument
337 	atomic_dec(&hb->waiters);  in hb_waiters_dec()
341 static inline int hb_waiters_pending(struct futex_hash_bucket *hb)  in hb_waiters_pending()  argument
348 	return atomic_read(&hb->waiters);  in hb_waiters_pending()
695 static struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb,  in futex_top_waiter()  argument
700 	plist_for_each_entry(this, &hb->chain, list) {  in futex_top_waiter()
845 	struct futex_hash_bucket *hb;  in exit_pi_state_list()  local
860 		hb = hash_futex(&key);  in exit_pi_state_list()
880 		spin_lock(&hb->lock);  in exit_pi_state_list()
890 			spin_unlock(&hb->lock);  in exit_pi_state_list()
902 		spin_unlock(&hb->lock);  in exit_pi_state_list()
1304 			   struct futex_hash_bucket *hb,  in lookup_pi_state()  argument
1308 	struct futex_q *top_waiter = futex_top_waiter(hb, key);  in lookup_pi_state()
1364 static int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb,  in futex_lock_pi_atomic()  argument
1398 	top_waiter = futex_top_waiter(hb, key);  in futex_lock_pi_atomic()
1450 	struct futex_hash_bucket *hb;  in __unqueue_futex()  local
1456 	hb = container_of(q->lock_ptr, struct futex_hash_bucket, lock);  in __unqueue_futex()
1457 	plist_del(&q->list, &hb->chain);  in __unqueue_futex()
1458 	hb_waiters_dec(hb);  in __unqueue_futex()
1592 	struct futex_hash_bucket *hb;  in futex_wake()  local
1605 	hb = hash_futex(&key);  in futex_wake()
1608 	if (!hb_waiters_pending(hb))  in futex_wake()
1611 	spin_lock(&hb->lock);  in futex_wake()
1613 	plist_for_each_entry_safe(this, next, &hb->chain, list) {  in futex_wake()
1630 	spin_unlock(&hb->lock);  in futex_wake()
1813 			   struct futex_hash_bucket *hb)  in requeue_pi_wake_futex()  argument
1822 	q->lock_ptr = &hb->lock;  in requeue_pi_wake_futex()
2195 	__acquires(&hb->lock)  in queue_lock()
2197 	struct futex_hash_bucket *hb;  in queue_lock()  local
2199 	hb = hash_futex(&q->key);  in queue_lock()
2209 	hb_waiters_inc(hb); /* implies smp_mb(); (A) */  in queue_lock()
2211 	q->lock_ptr = &hb->lock;  in queue_lock()
2213 	spin_lock(&hb->lock);  in queue_lock()
2214 	return hb;  in queue_lock()
2218 queue_unlock(struct futex_hash_bucket *hb)  in queue_unlock()  argument
2219 	__releases(&hb->lock)  in queue_unlock()
2221 	spin_unlock(&hb->lock);  in queue_unlock()
2222 	hb_waiters_dec(hb);  in queue_unlock()
2225 static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in __queue_me()  argument
2240 	plist_add(&q->list, &hb->chain);  in __queue_me()
2256 static inline void queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in queue_me()  argument
2257 	__releases(&hb->lock)  in queue_me()
2259 	__queue_me(q, hb);  in queue_me()
2260 	spin_unlock(&hb->lock);  in queue_me()
2580 static void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q,  in futex_wait_queue_me()  argument
2590 	queue_me(q, hb);  in futex_wait_queue_me()
2630 			   struct futex_q *q, struct futex_hash_bucket **hb)  in futex_wait_setup()  argument
2659 	*hb = queue_lock(q);  in futex_wait_setup()
2664 		queue_unlock(*hb);  in futex_wait_setup()
2677 		queue_unlock(*hb);  in futex_wait_setup()
2689 	struct futex_hash_bucket *hb;  in futex_wait()  local
2704 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait()
2709 	futex_wait_queue_me(hb, &q, to);  in futex_wait()
2780 	struct futex_hash_bucket *hb;  in futex_lock_pi()  local
2798 	hb = queue_lock(&q);  in futex_lock_pi()
2800 	ret = futex_lock_pi_atomic(uaddr, hb, &q.key, &q.pi_state, current,  in futex_lock_pi()
2822 			queue_unlock(hb);  in futex_lock_pi()
2841 	__queue_me(&q, hb);  in futex_lock_pi()
2918 	queue_unlock(hb);  in futex_lock_pi()
2928 	queue_unlock(hb);  in futex_lock_pi()
2949 	struct futex_hash_bucket *hb;  in futex_unlock_pi()  local
2969 	hb = hash_futex(&key);  in futex_unlock_pi()
2970 	spin_lock(&hb->lock);  in futex_unlock_pi()
2977 	top_waiter = futex_top_waiter(hb, &key);  in futex_unlock_pi()
3004 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3043 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3063 	spin_unlock(&hb->lock);  in futex_unlock_pi()
3097 int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,  in handle_early_requeue_pi_wakeup()  argument
3111 		WARN_ON(q->lock_ptr && (&hb->lock != q->lock_ptr));  in handle_early_requeue_pi_wakeup()
3116 		plist_del(&q->list, &hb->chain);  in handle_early_requeue_pi_wakeup()
3117 		hb_waiters_dec(hb);  in handle_early_requeue_pi_wakeup()
3175 	struct futex_hash_bucket *hb;  in futex_wait_requeue_pi()  local
3210 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
3219 		queue_unlock(hb);  in futex_wait_requeue_pi()
3225 	futex_wait_queue_me(hb, &q, to);  in futex_wait_requeue_pi()
3227 	spin_lock(&hb->lock);  in futex_wait_requeue_pi()
3228 	ret = handle_early_requeue_pi_wakeup(hb, &q, &key2, to);  in futex_wait_requeue_pi()
3229 	spin_unlock(&hb->lock);  in futex_wait_requeue_pi()