698 	int i, depth = READ_ONCE(p->lockdep_depth);  in lockdep_print_held_locks()  local
700 	if (!depth)  in lockdep_print_held_locks()
703 		printk("%d lock%s held by %s/%d:\n", depth,  in lockdep_print_held_locks()
704 		       depth > 1 ? "s" : "", p->comm, task_pid_nr(p));  in lockdep_print_held_locks()
711 	for (i = 0; i < depth; i++) {  in lockdep_print_held_locks()
950 	for (i = chain->base; i < chain->base + chain->depth; i++)  in check_lock_chain_key()
1433 	int depth = 0;  in get_lock_depth()  local
1438 		depth++;  in get_lock_depth()
1440 	return depth;  in get_lock_depth()
1552 print_circular_bug_entry(struct lock_list *target, int depth)  in print_circular_bug_entry()  argument
1556 	printk("\n-> #%u", depth);  in print_circular_bug_entry()
1617 print_circular_bug_header(struct lock_list *entry, unsigned int depth,  in print_circular_bug_header()  argument
1641 	print_circular_bug_entry(entry, depth);  in print_circular_bug_header()
1657 	int depth;  in print_circular_bug()  local
1666 	depth = get_lock_depth(target);  in print_circular_bug()
1668 	print_circular_bug_header(target, depth, check_src, check_tgt);  in print_circular_bug()
1674 		print_circular_bug_entry(parent, --depth);  in print_circular_bug()
1913 static void print_lock_class_header(struct lock_class *class, int depth)  in print_lock_class_header()  argument
1917 	printk("%*s->", depth, "");  in print_lock_class_header()
1926 			int len = depth;  in print_lock_class_header()
1928 			len += printk("%*s   %s", depth, "", usage_str[bit]);  in print_lock_class_header()
1933 	printk("%*s }\n", depth, "");  in print_lock_class_header()
1936 		depth, "", class->key, class->key);  in print_lock_class_header()
1947 	int depth;  in print_shortest_lock_dependencies()  local
1950 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies()
1953 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies()
1954 		printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies()
1958 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies()
1964 		depth--;  in print_shortest_lock_dependencies()
1965 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies()
2554 	int depth = curr->lockdep_depth;  in check_prevs_add()  local
2562 	if (!depth)  in check_prevs_add()
2568 	if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
2569 			curr->held_locks[depth-1].irq_context)  in check_prevs_add()
2573 		int distance = curr->lockdep_depth - depth + 1;  in check_prevs_add()
2574 		hlock = curr->held_locks + depth - 1;  in check_prevs_add()
2596 		depth--;  in check_prevs_add()
2600 		if (!depth)  in check_prevs_add()
2605 		if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
2606 				curr->held_locks[depth-1].irq_context)  in check_prevs_add()
2672 	int depth = curr->lockdep_depth;  in print_chain_keys_held_locks()  local
2675 	printk("depth: %u (irq_context %u)\n", depth - i + 1,  in print_chain_keys_held_locks()
2677 	for (; i < depth; i++) {  in print_chain_keys_held_locks()
2694 	printk("depth: %u\n", chain->depth);  in print_chain_keys_chain()
2695 	for (i = 0; i < chain->depth; i++) {  in print_chain_keys_chain()
2742 	if (DEBUG_LOCKS_WARN_ON(chain->depth != curr->lockdep_depth - (i - 1))) {  in check_no_collision()
2747 	for (j = 0; j < chain->depth - 1; j++, i++) {  in check_no_collision()
2822 	chain->depth = curr->lockdep_depth + 1 - i;  in add_chain_cache()
2828 	if (likely(nr_chain_hlocks + chain->depth <= MAX_LOCKDEP_CHAIN_HLOCKS)) {  in add_chain_cache()
2830 		for (j = 0; j < chain->depth - 1; j++, i++) {  in add_chain_cache()
2835 		nr_chain_hlocks += chain->depth;  in add_chain_cache()
3130 	int depth;  in print_irq_inversion_bug()  local
3153 	depth = get_lock_depth(other);  in print_irq_inversion_bug()
3155 		if (depth == 0 && (entry != root)) {  in print_irq_inversion_bug()
3161 		depth--;  in print_irq_inversion_bug()
3162 	} while (entry && entry != root && (depth >= 0));  in print_irq_inversion_bug()
3606 	unsigned int depth = curr->lockdep_depth;  in separate_irq_context()  local
3611 	if (depth) {  in separate_irq_context()
3614 		prev_hlock = curr->held_locks + depth-1;  in separate_irq_context()
3820 	unsigned int depth;  in __lock_acquire()  local
3857 	depth = curr->lockdep_depth;  in __lock_acquire()
3861 	if (DEBUG_LOCKS_WARN_ON(depth >= MAX_LOCK_DEPTH))  in __lock_acquire()
3866 	if (depth) {  in __lock_acquire()
3867 		hlock = curr->held_locks + depth - 1;  in __lock_acquire()
3885 	hlock = curr->held_locks + depth;  in __lock_acquire()
3929 	if (!depth) {  in __lock_acquire()
3951 		WARN_ON_ONCE(depth && !hlock_class(hlock - 1)->key);  in __lock_acquire()
4050 					unsigned int depth, int *idx)  in find_held_lock()  argument
4055 	i = depth - 1;  in find_held_lock()
4083 static int reacquire_held_locks(struct task_struct *curr, unsigned int depth,  in reacquire_held_locks()  argument
4092 	for (hlock = curr->held_locks + idx; idx < depth; idx++, hlock++) {  in reacquire_held_locks()
4121 	unsigned int depth, merged = 0;  in __lock_set_class()  local
4129 	depth = curr->lockdep_depth;  in __lock_set_class()
4134 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_set_class()
4137 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_set_class()
4150 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_set_class()
4157 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged))  in __lock_set_class()
4165 	unsigned int depth, merged = 0;  in __lock_downgrade()  local
4172 	depth = curr->lockdep_depth;  in __lock_downgrade()
4177 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_downgrade()
4180 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_downgrade()
4193 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_downgrade()
4204 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth))  in __lock_downgrade()
4221 	unsigned int depth, merged = 1;  in __lock_release()  local
4228 	depth = curr->lockdep_depth;  in __lock_release()
4233 	if (depth <= 0) {  in __lock_release()
4242 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_release()
4278 	if (i == depth-1)  in __lock_release()
4281 	if (reacquire_held_locks(curr, depth, i + 1, &merged))  in __lock_release()
4289 	DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged);  in __lock_release()
4622 	unsigned int depth;  in __lock_contended()  local
4625 	depth = curr->lockdep_depth;  in __lock_contended()
4630 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_contended()
4633 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_contended()
4663 	unsigned int depth;  in __lock_acquired()  local
4667 	depth = curr->lockdep_depth;  in __lock_acquired()
4672 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_acquired()
4675 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_acquired()
4779 	for (i = chain->base; i < chain->base + chain->depth; i++) {  in remove_class_from_lock_chain()
4783 		if (--chain->depth > 0) {  in remove_class_from_lock_chain()
4785 				(chain->base + chain->depth - i) *  in remove_class_from_lock_chain()
4799 	for (i = chain->base; i < chain->base + chain->depth; i++)  in remove_class_from_lock_chain()
4801 	if (chain->depth && chain->chain_key == chain_key)  in remove_class_from_lock_chain()
4811 	if (chain->depth == 0)  in remove_class_from_lock_chain()