8 void __init_waitqueue_head(struct wait_queue_head *wq_head, const char *name, struct lock_class_key…  in __init_waitqueue_head()  argument
10 	spin_lock_init(&wq_head->lock);  in __init_waitqueue_head()
11 	lockdep_set_class_and_name(&wq_head->lock, key, name);  in __init_waitqueue_head()
12 	INIT_LIST_HEAD(&wq_head->head);  in __init_waitqueue_head()
17 void add_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in add_wait_queue()  argument
22 	spin_lock_irqsave(&wq_head->lock, flags);  in add_wait_queue()
23 	__add_wait_queue(wq_head, wq_entry);  in add_wait_queue()
24 	spin_unlock_irqrestore(&wq_head->lock, flags);  in add_wait_queue()
28 void add_wait_queue_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in add_wait_queue_exclusive()  argument
33 	spin_lock_irqsave(&wq_head->lock, flags);  in add_wait_queue_exclusive()
34 	__add_wait_queue_entry_tail(wq_head, wq_entry);  in add_wait_queue_exclusive()
35 	spin_unlock_irqrestore(&wq_head->lock, flags);  in add_wait_queue_exclusive()
39 void add_wait_queue_priority(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in add_wait_queue_priority()  argument
44 	spin_lock_irqsave(&wq_head->lock, flags);  in add_wait_queue_priority()
45 	__add_wait_queue(wq_head, wq_entry);  in add_wait_queue_priority()
46 	spin_unlock_irqrestore(&wq_head->lock, flags);  in add_wait_queue_priority()
50 void remove_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in remove_wait_queue()  argument
54 	spin_lock_irqsave(&wq_head->lock, flags);  in remove_wait_queue()
55 	__remove_wait_queue(wq_head, wq_entry);  in remove_wait_queue()
56 	spin_unlock_irqrestore(&wq_head->lock, flags);  in remove_wait_queue()
73 static int __wake_up_common(struct wait_queue_head *wq_head, unsigned int mode,  in __wake_up_common()  argument
78 	lockdep_assert_held(&wq_head->lock);  in __wake_up_common()
80 	curr = list_first_entry(&wq_head->head, wait_queue_entry_t, entry);  in __wake_up_common()
82 	if (&curr->entry == &wq_head->head)  in __wake_up_common()
85 	list_for_each_entry_safe_from(curr, next, &wq_head->head, entry) {  in __wake_up_common()
99 static int __wake_up_common_lock(struct wait_queue_head *wq_head, unsigned int mode,  in __wake_up_common_lock()  argument
105 	spin_lock_irqsave(&wq_head->lock, flags);  in __wake_up_common_lock()
106 	remaining = __wake_up_common(wq_head, mode, nr_exclusive, wake_flags,  in __wake_up_common_lock()
108 	spin_unlock_irqrestore(&wq_head->lock, flags);  in __wake_up_common_lock()
124 int __wake_up(struct wait_queue_head *wq_head, unsigned int mode,  in __wake_up()  argument
127 	return __wake_up_common_lock(wq_head, mode, nr_exclusive, 0, key);  in __wake_up()
131 void __wake_up_on_current_cpu(struct wait_queue_head *wq_head, unsigned int mode, void *key)  in __wake_up_on_current_cpu()  argument
133 	__wake_up_common_lock(wq_head, mode, 1, WF_CURRENT_CPU, key);  in __wake_up_on_current_cpu()
139 void __wake_up_locked(struct wait_queue_head *wq_head, unsigned int mode, int nr)  in __wake_up_locked()  argument
141 	__wake_up_common(wq_head, mode, nr, 0, NULL);  in __wake_up_locked()
145 void __wake_up_locked_key(struct wait_queue_head *wq_head, unsigned int mode, void *key)  in __wake_up_locked_key()  argument
147 	__wake_up_common(wq_head, mode, 1, 0, key);  in __wake_up_locked_key()
167 void __wake_up_sync_key(struct wait_queue_head *wq_head, unsigned int mode,  in __wake_up_sync_key()  argument
170 	if (unlikely(!wq_head))  in __wake_up_sync_key()
173 	__wake_up_common_lock(wq_head, mode, 1, WF_SYNC, key);  in __wake_up_sync_key()
193 void __wake_up_locked_sync_key(struct wait_queue_head *wq_head,  in __wake_up_locked_sync_key()  argument
196         __wake_up_common(wq_head, mode, 1, WF_SYNC, key);  in __wake_up_locked_sync_key()
203 void __wake_up_sync(struct wait_queue_head *wq_head, unsigned int mode)  in __wake_up_sync()  argument
205 	__wake_up_sync_key(wq_head, mode, NULL);  in __wake_up_sync()
209 void __wake_up_pollfree(struct wait_queue_head *wq_head)  in __wake_up_pollfree()  argument
211 	__wake_up(wq_head, TASK_NORMAL, 0, poll_to_key(EPOLLHUP | POLLFREE));  in __wake_up_pollfree()
213 	WARN_ON_ONCE(waitqueue_active(wq_head));  in __wake_up_pollfree()
229 prepare_to_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state)  in prepare_to_wait()  argument
234 	spin_lock_irqsave(&wq_head->lock, flags);  in prepare_to_wait()
236 		__add_wait_queue(wq_head, wq_entry);  in prepare_to_wait()
238 	spin_unlock_irqrestore(&wq_head->lock, flags);  in prepare_to_wait()
244 prepare_to_wait_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int s…  in prepare_to_wait_exclusive()  argument
250 	spin_lock_irqsave(&wq_head->lock, flags);  in prepare_to_wait_exclusive()
252 		was_empty = list_empty(&wq_head->head);  in prepare_to_wait_exclusive()
253 		__add_wait_queue_entry_tail(wq_head, wq_entry);  in prepare_to_wait_exclusive()
256 	spin_unlock_irqrestore(&wq_head->lock, flags);  in prepare_to_wait_exclusive()
270 long prepare_to_wait_event(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int …  in prepare_to_wait_event()  argument
275 	spin_lock_irqsave(&wq_head->lock, flags);  in prepare_to_wait_event()
294 				__add_wait_queue_entry_tail(wq_head, wq_entry);  in prepare_to_wait_event()
296 				__add_wait_queue(wq_head, wq_entry);  in prepare_to_wait_event()
300 	spin_unlock_irqrestore(&wq_head->lock, flags);  in prepare_to_wait_event()
356 void finish_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)  in finish_wait()  argument
375 		spin_lock_irqsave(&wq_head->lock, flags);  in finish_wait()
377 		spin_unlock_irqrestore(&wq_head->lock, flags);  in finish_wait()