271 rt_mutex_enqueue(struct rt_mutex *lock, struct rt_mutex_waiter *waiter)  in rt_mutex_enqueue()  argument
281 		if (rt_mutex_waiter_less(waiter, entry)) {  in rt_mutex_enqueue()
289 	rb_link_node(&waiter->tree_entry, parent, link);  in rt_mutex_enqueue()
290 	rb_insert_color_cached(&waiter->tree_entry, &lock->waiters, leftmost);  in rt_mutex_enqueue()
294 rt_mutex_dequeue(struct rt_mutex *lock, struct rt_mutex_waiter *waiter)  in rt_mutex_dequeue()  argument
296 	if (RB_EMPTY_NODE(&waiter->tree_entry))  in rt_mutex_dequeue()
299 	rb_erase_cached(&waiter->tree_entry, &lock->waiters);  in rt_mutex_dequeue()
300 	RB_CLEAR_NODE(&waiter->tree_entry);  in rt_mutex_dequeue()
304 rt_mutex_enqueue_pi(struct task_struct *task, struct rt_mutex_waiter *waiter)  in rt_mutex_enqueue_pi()  argument
314 		if (rt_mutex_waiter_less(waiter, entry)) {  in rt_mutex_enqueue_pi()
322 	rb_link_node(&waiter->pi_tree_entry, parent, link);  in rt_mutex_enqueue_pi()
323 	rb_insert_color_cached(&waiter->pi_tree_entry, &task->pi_waiters, leftmost);  in rt_mutex_enqueue_pi()
327 rt_mutex_dequeue_pi(struct task_struct *task, struct rt_mutex_waiter *waiter)  in rt_mutex_dequeue_pi()  argument
329 	if (RB_EMPTY_NODE(&waiter->pi_tree_entry))  in rt_mutex_dequeue_pi()
332 	rb_erase_cached(&waiter->pi_tree_entry, &task->pi_waiters);  in rt_mutex_dequeue_pi()
333 	RB_CLEAR_NODE(&waiter->pi_tree_entry);  in rt_mutex_dequeue_pi()
361 static bool rt_mutex_cond_detect_deadlock(struct rt_mutex_waiter *waiter,  in rt_mutex_cond_detect_deadlock()  argument
371 	return debug_rt_mutex_detect_deadlock(waiter, chwalk);  in rt_mutex_cond_detect_deadlock()
454 	struct rt_mutex_waiter *waiter, *top_waiter = orig_waiter;  in rt_mutex_adjust_prio_chain()  local
506 	waiter = task->pi_blocked_on;  in rt_mutex_adjust_prio_chain()
517 	if (!waiter)  in rt_mutex_adjust_prio_chain()
536 	if (next_lock != waiter->lock)  in rt_mutex_adjust_prio_chain()
568 	if (rt_mutex_waiter_equal(waiter, task_to_waiter(task))) {  in rt_mutex_adjust_prio_chain()
578 	lock = waiter->lock;  in rt_mutex_adjust_prio_chain()
662 	rt_mutex_dequeue(lock, waiter);  in rt_mutex_adjust_prio_chain()
680 	waiter->prio = task->prio;  in rt_mutex_adjust_prio_chain()
681 	waiter->deadline = task->dl.deadline;  in rt_mutex_adjust_prio_chain()
683 	rt_mutex_enqueue(lock, waiter);  in rt_mutex_adjust_prio_chain()
713 	if (waiter == rt_mutex_top_waiter(lock)) {  in rt_mutex_adjust_prio_chain()
721 		rt_mutex_enqueue_pi(task, waiter);  in rt_mutex_adjust_prio_chain()
724 	} else if (prerequeue_top_waiter == waiter) {  in rt_mutex_adjust_prio_chain()
735 		rt_mutex_dequeue_pi(task, waiter);  in rt_mutex_adjust_prio_chain()
736 		waiter = rt_mutex_top_waiter(lock);  in rt_mutex_adjust_prio_chain()
737 		rt_mutex_enqueue_pi(task, waiter);  in rt_mutex_adjust_prio_chain()
782 	if (!detect_deadlock && waiter != top_waiter)  in rt_mutex_adjust_prio_chain()
806 				struct rt_mutex_waiter *waiter)  in try_to_take_rt_mutex()  argument
840 	if (waiter) {  in try_to_take_rt_mutex()
845 		if (waiter != rt_mutex_top_waiter(lock))  in try_to_take_rt_mutex()
852 		rt_mutex_dequeue(lock, waiter);  in try_to_take_rt_mutex()
927 				   struct rt_mutex_waiter *waiter,  in task_blocks_on_rt_mutex()  argument
932 	struct rt_mutex_waiter *top_waiter = waiter;  in task_blocks_on_rt_mutex()
951 	waiter->task = task;  in task_blocks_on_rt_mutex()
952 	waiter->lock = lock;  in task_blocks_on_rt_mutex()
953 	waiter->prio = task->prio;  in task_blocks_on_rt_mutex()
954 	waiter->deadline = task->dl.deadline;  in task_blocks_on_rt_mutex()
959 	rt_mutex_enqueue(lock, waiter);  in task_blocks_on_rt_mutex()
961 	task->pi_blocked_on = waiter;  in task_blocks_on_rt_mutex()
969 	if (waiter == rt_mutex_top_waiter(lock)) {  in task_blocks_on_rt_mutex()
971 		rt_mutex_enqueue_pi(owner, waiter);  in task_blocks_on_rt_mutex()
976 	} else if (rt_mutex_cond_detect_deadlock(waiter, chwalk)) {  in task_blocks_on_rt_mutex()
1002 					 next_lock, waiter, task);  in task_blocks_on_rt_mutex()
1018 	struct rt_mutex_waiter *waiter;  in mark_wakeup_next_waiter()  local
1022 	waiter = rt_mutex_top_waiter(lock);  in mark_wakeup_next_waiter()
1031 	rt_mutex_dequeue_pi(current, waiter);  in mark_wakeup_next_waiter()
1055 	wake_q_add(wake_q, waiter->task);  in mark_wakeup_next_waiter()
1066 			  struct rt_mutex_waiter *waiter)  in remove_waiter()  argument
1068 	bool is_top_waiter = (waiter == rt_mutex_top_waiter(lock));  in remove_waiter()
1075 	rt_mutex_dequeue(lock, waiter);  in remove_waiter()
1088 	rt_mutex_dequeue_pi(owner, waiter);  in remove_waiter()
1125 	struct rt_mutex_waiter *waiter;  in rt_mutex_adjust_pi()  local
1131 	waiter = task->pi_blocked_on;  in rt_mutex_adjust_pi()
1132 	if (!waiter || rt_mutex_waiter_equal(waiter, task_to_waiter(task))) {  in rt_mutex_adjust_pi()
1136 	next_lock = waiter->lock;  in rt_mutex_adjust_pi()
1146 void rt_mutex_init_waiter(struct rt_mutex_waiter *waiter)  in rt_mutex_init_waiter()  argument
1148 	debug_rt_mutex_init_waiter(waiter);  in rt_mutex_init_waiter()
1149 	RB_CLEAR_NODE(&waiter->pi_tree_entry);  in rt_mutex_init_waiter()
1150 	RB_CLEAR_NODE(&waiter->tree_entry);  in rt_mutex_init_waiter()
1151 	waiter->task = NULL;  in rt_mutex_init_waiter()
1167 		    struct rt_mutex_waiter *waiter)  in __rt_mutex_slowlock()  argument
1173 		if (try_to_take_rt_mutex(lock, current, waiter))  in __rt_mutex_slowlock()
1192 		debug_rt_mutex_print_deadlock(waiter);  in __rt_mutex_slowlock()
1232 	struct rt_mutex_waiter waiter;  in rt_mutex_slowlock()  local
1236 	rt_mutex_init_waiter(&waiter);  in rt_mutex_slowlock()
1260 	ret = task_blocks_on_rt_mutex(lock, &waiter, current, chwalk);  in rt_mutex_slowlock()
1264 		ret = __rt_mutex_slowlock(lock, state, timeout, &waiter);  in rt_mutex_slowlock()
1268 		remove_waiter(lock, &waiter);  in rt_mutex_slowlock()
1269 		rt_mutex_handle_deadlock(ret, chwalk, &waiter);  in rt_mutex_slowlock()
1284 	debug_rt_mutex_free_waiter(&waiter);  in rt_mutex_slowlock()
1746 			      struct rt_mutex_waiter *waiter,  in __rt_mutex_start_proxy_lock()  argument
1757 	ret = task_blocks_on_rt_mutex(lock, waiter, task,  in __rt_mutex_start_proxy_lock()
1770 	debug_rt_mutex_print_deadlock(waiter);  in __rt_mutex_start_proxy_lock()
1795 			      struct rt_mutex_waiter *waiter,  in rt_mutex_start_proxy_lock()  argument
1801 	ret = __rt_mutex_start_proxy_lock(lock, waiter, task);  in rt_mutex_start_proxy_lock()
1803 		remove_waiter(lock, waiter);  in rt_mutex_start_proxy_lock()
1848 			       struct rt_mutex_waiter *waiter)  in rt_mutex_wait_proxy_lock()  argument
1855 	ret = __rt_mutex_slowlock(lock, TASK_INTERRUPTIBLE, to, waiter);  in rt_mutex_wait_proxy_lock()
1887 				 struct rt_mutex_waiter *waiter)  in rt_mutex_cleanup_proxy_lock()  argument
1903 	try_to_take_rt_mutex(lock, current, waiter);  in rt_mutex_cleanup_proxy_lock()
1909 		remove_waiter(lock, waiter);  in rt_mutex_cleanup_proxy_lock()