167 rt_mutex_enqueue(struct rt_mutex *lock, struct rt_mutex_waiter *waiter)  in rt_mutex_enqueue()  argument
177 		if (rt_mutex_waiter_less(waiter, entry)) {  in rt_mutex_enqueue()
186 		lock->waiters_leftmost = &waiter->tree_entry;  in rt_mutex_enqueue()
188 	rb_link_node(&waiter->tree_entry, parent, link);  in rt_mutex_enqueue()
189 	rb_insert_color(&waiter->tree_entry, &lock->waiters);  in rt_mutex_enqueue()
193 rt_mutex_dequeue(struct rt_mutex *lock, struct rt_mutex_waiter *waiter)  in rt_mutex_dequeue()  argument
195 	if (RB_EMPTY_NODE(&waiter->tree_entry))  in rt_mutex_dequeue()
198 	if (lock->waiters_leftmost == &waiter->tree_entry)  in rt_mutex_dequeue()
199 		lock->waiters_leftmost = rb_next(&waiter->tree_entry);  in rt_mutex_dequeue()
201 	rb_erase(&waiter->tree_entry, &lock->waiters);  in rt_mutex_dequeue()
202 	RB_CLEAR_NODE(&waiter->tree_entry);  in rt_mutex_dequeue()
206 rt_mutex_enqueue_pi(struct task_struct *task, struct rt_mutex_waiter *waiter)  in rt_mutex_enqueue_pi()  argument
216 		if (rt_mutex_waiter_less(waiter, entry)) {  in rt_mutex_enqueue_pi()
225 		task->pi_waiters_leftmost = &waiter->pi_tree_entry;  in rt_mutex_enqueue_pi()
227 	rb_link_node(&waiter->pi_tree_entry, parent, link);  in rt_mutex_enqueue_pi()
228 	rb_insert_color(&waiter->pi_tree_entry, &task->pi_waiters);  in rt_mutex_enqueue_pi()
232 rt_mutex_dequeue_pi(struct task_struct *task, struct rt_mutex_waiter *waiter)  in rt_mutex_dequeue_pi()  argument
234 	if (RB_EMPTY_NODE(&waiter->pi_tree_entry))  in rt_mutex_dequeue_pi()
237 	if (task->pi_waiters_leftmost == &waiter->pi_tree_entry)  in rt_mutex_dequeue_pi()
238 		task->pi_waiters_leftmost = rb_next(&waiter->pi_tree_entry);  in rt_mutex_dequeue_pi()
240 	rb_erase(&waiter->pi_tree_entry, &task->pi_waiters);  in rt_mutex_dequeue_pi()
241 	RB_CLEAR_NODE(&waiter->pi_tree_entry);  in rt_mutex_dequeue_pi()
325 static bool rt_mutex_cond_detect_deadlock(struct rt_mutex_waiter *waiter,  in rt_mutex_cond_detect_deadlock()  argument
335 	return debug_rt_mutex_detect_deadlock(waiter, chwalk);  in rt_mutex_cond_detect_deadlock()
418 	struct rt_mutex_waiter *waiter, *top_waiter = orig_waiter;  in rt_mutex_adjust_prio_chain()  local
471 	waiter = task->pi_blocked_on;  in rt_mutex_adjust_prio_chain()
482 	if (!waiter)  in rt_mutex_adjust_prio_chain()
501 	if (next_lock != waiter->lock)  in rt_mutex_adjust_prio_chain()
533 	if (waiter->prio == task->prio) {  in rt_mutex_adjust_prio_chain()
543 	lock = waiter->lock;  in rt_mutex_adjust_prio_chain()
628 	rt_mutex_dequeue(lock, waiter);  in rt_mutex_adjust_prio_chain()
629 	waiter->prio = task->prio;  in rt_mutex_adjust_prio_chain()
630 	rt_mutex_enqueue(lock, waiter);  in rt_mutex_adjust_prio_chain()
661 	if (waiter == rt_mutex_top_waiter(lock)) {  in rt_mutex_adjust_prio_chain()
669 		rt_mutex_enqueue_pi(task, waiter);  in rt_mutex_adjust_prio_chain()
672 	} else if (prerequeue_top_waiter == waiter) {  in rt_mutex_adjust_prio_chain()
683 		rt_mutex_dequeue_pi(task, waiter);  in rt_mutex_adjust_prio_chain()
684 		waiter = rt_mutex_top_waiter(lock);  in rt_mutex_adjust_prio_chain()
685 		rt_mutex_enqueue_pi(task, waiter);  in rt_mutex_adjust_prio_chain()
730 	if (!detect_deadlock && waiter != top_waiter)  in rt_mutex_adjust_prio_chain()
754 				struct rt_mutex_waiter *waiter)  in try_to_take_rt_mutex()  argument
788 	if (waiter) {  in try_to_take_rt_mutex()
793 		if (waiter != rt_mutex_top_waiter(lock))  in try_to_take_rt_mutex()
800 		rt_mutex_dequeue(lock, waiter);  in try_to_take_rt_mutex()
876 				   struct rt_mutex_waiter *waiter,  in task_blocks_on_rt_mutex()  argument
881 	struct rt_mutex_waiter *top_waiter = waiter;  in task_blocks_on_rt_mutex()
900 	waiter->task = task;  in task_blocks_on_rt_mutex()
901 	waiter->lock = lock;  in task_blocks_on_rt_mutex()
902 	waiter->prio = task->prio;  in task_blocks_on_rt_mutex()
907 	rt_mutex_enqueue(lock, waiter);  in task_blocks_on_rt_mutex()
909 	task->pi_blocked_on = waiter;  in task_blocks_on_rt_mutex()
917 	if (waiter == rt_mutex_top_waiter(lock)) {  in task_blocks_on_rt_mutex()
919 		rt_mutex_enqueue_pi(owner, waiter);  in task_blocks_on_rt_mutex()
924 	} else if (rt_mutex_cond_detect_deadlock(waiter, chwalk)) {  in task_blocks_on_rt_mutex()
950 					 next_lock, waiter, task);  in task_blocks_on_rt_mutex()
967 	struct rt_mutex_waiter *waiter;  in wakeup_next_waiter()  local
972 	waiter = rt_mutex_top_waiter(lock);  in wakeup_next_waiter()
980 	rt_mutex_dequeue_pi(current, waiter);  in wakeup_next_waiter()
999 	wake_up_process(waiter->task);  in wakeup_next_waiter()
1009 			  struct rt_mutex_waiter *waiter)  in remove_waiter()  argument
1011 	bool is_top_waiter = (waiter == rt_mutex_top_waiter(lock));  in remove_waiter()
1017 	rt_mutex_dequeue(lock, waiter);  in remove_waiter()
1030 	rt_mutex_dequeue_pi(owner, waiter);  in remove_waiter()
1067 	struct rt_mutex_waiter *waiter;  in rt_mutex_adjust_pi()  local
1073 	waiter = task->pi_blocked_on;  in rt_mutex_adjust_pi()
1074 	if (!waiter || (waiter->prio == task->prio &&  in rt_mutex_adjust_pi()
1079 	next_lock = waiter->lock;  in rt_mutex_adjust_pi()
1102 		    struct rt_mutex_waiter *waiter)  in __rt_mutex_slowlock()  argument
1108 		if (try_to_take_rt_mutex(lock, current, waiter))  in __rt_mutex_slowlock()
1127 		debug_rt_mutex_print_deadlock(waiter);  in __rt_mutex_slowlock()
1167 	struct rt_mutex_waiter waiter;  in rt_mutex_slowlock()  local
1170 	debug_rt_mutex_init_waiter(&waiter);  in rt_mutex_slowlock()
1171 	RB_CLEAR_NODE(&waiter.pi_tree_entry);  in rt_mutex_slowlock()
1172 	RB_CLEAR_NODE(&waiter.tree_entry);  in rt_mutex_slowlock()
1191 	ret = task_blocks_on_rt_mutex(lock, &waiter, current, chwalk);  in rt_mutex_slowlock()
1195 		ret = __rt_mutex_slowlock(lock, state, timeout, &waiter);  in rt_mutex_slowlock()
1200 			remove_waiter(lock, &waiter);  in rt_mutex_slowlock()
1201 		rt_mutex_handle_deadlock(ret, chwalk, &waiter);  in rt_mutex_slowlock()
1216 	debug_rt_mutex_free_waiter(&waiter);  in rt_mutex_slowlock()
1552 			      struct rt_mutex_waiter *waiter,  in rt_mutex_start_proxy_lock()  argument
1565 	ret = task_blocks_on_rt_mutex(lock, waiter, task,  in rt_mutex_start_proxy_lock()
1579 		remove_waiter(lock, waiter);  in rt_mutex_start_proxy_lock()
1583 	debug_rt_mutex_print_deadlock(waiter);  in rt_mutex_start_proxy_lock()
1625 			       struct rt_mutex_waiter *waiter)  in rt_mutex_finish_proxy_lock()  argument
1634 	ret = __rt_mutex_slowlock(lock, TASK_INTERRUPTIBLE, to, waiter);  in rt_mutex_finish_proxy_lock()
1637 		remove_waiter(lock, waiter);  in rt_mutex_finish_proxy_lock()