790 	int i, depth = READ_ONCE(p->lockdep_depth);  in lockdep_print_held_locks()  local
792 	if (!depth)  in lockdep_print_held_locks()
795 		printk("%d lock%s held by %s/%d:\n", depth,  in lockdep_print_held_locks()
796 		       str_plural(depth), p->comm, task_pid_nr(p));  in lockdep_print_held_locks()
803 	for (i = 0; i < depth; i++) {  in lockdep_print_held_locks()
1056 	for (i = chain->base; i < chain->base + chain->depth; i++)  in check_lock_chain_key()
1552 	int depth = 0;  in get_lock_depth()  local
1557 		depth++;  in get_lock_depth()
1559 	return depth;  in get_lock_depth()
1877 print_circular_bug_entry(struct lock_list *target, int depth)  in print_circular_bug_entry()  argument
1881 	printk("\n-> #%u", depth);  in print_circular_bug_entry()
1952 print_circular_bug_header(struct lock_list *entry, unsigned int depth,  in print_circular_bug_header()  argument
1976 	print_circular_bug_entry(entry, depth);  in print_circular_bug_header()
2049 	int depth;  in print_circular_bug()  local
2058 	depth = get_lock_depth(target);  in print_circular_bug()
2062 	print_circular_bug_header(target, depth, check_src, check_tgt);  in print_circular_bug()
2068 		print_circular_bug_entry(parent, --depth);  in print_circular_bug()
2367 static void print_lock_class_header(struct lock_class *class, int depth)  in print_lock_class_header()  argument
2371 	printk("%*s->", depth, "");  in print_lock_class_header()
2380 			int len = depth;  in print_lock_class_header()
2382 			len += printk("%*s   %s", depth, "", usage_str[bit]);  in print_lock_class_header()
2387 	printk("%*s }\n", depth, "");  in print_lock_class_header()
2390 		depth, "", class->key, class->key);  in print_lock_class_header()
2450 	int depth;  in print_shortest_lock_dependencies()  local
2453 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies()
2456 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies()
2457 		printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies()
2461 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies()
2467 		depth--;  in print_shortest_lock_dependencies()
2468 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies()
2497 	int depth;  in print_shortest_lock_dependencies_backwards()  local
2500 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies_backwards()
2503 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies_backwards()
2505 			printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies_backwards()
2516 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies_backwards()
2522 		depth--;  in print_shortest_lock_dependencies_backwards()
2523 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies_backwards()
3262 	int depth = curr->lockdep_depth;  in check_prevs_add()  local
3270 	if (!depth)  in check_prevs_add()
3276 	if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
3277 			curr->held_locks[depth-1].irq_context)  in check_prevs_add()
3281 		u16 distance = curr->lockdep_depth - depth + 1;  in check_prevs_add()
3282 		hlock = curr->held_locks + depth - 1;  in check_prevs_add()
3299 		depth--;  in check_prevs_add()
3303 		if (!depth)  in check_prevs_add()
3308 		if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
3309 				curr->held_locks[depth-1].irq_context)  in check_prevs_add()
3606 	int depth = curr->lockdep_depth;  in print_chain_keys_held_locks()  local
3609 	printk("depth: %u (irq_context %u)\n", depth - i + 1,  in print_chain_keys_held_locks()
3611 	for (; i < depth; i++) {  in print_chain_keys_held_locks()
3628 	printk("depth: %u\n", chain->depth);  in print_chain_keys_chain()
3629 	for (i = 0; i < chain->depth; i++) {  in print_chain_keys_chain()
3680 	if (DEBUG_LOCKS_WARN_ON(chain->depth != curr->lockdep_depth - (i - 1))) {  in check_no_collision()
3685 	for (j = 0; j < chain->depth - 1; j++, i++) {  in check_no_collision()
3761 	chain->depth = curr->lockdep_depth + 1 - i;  in add_chain_cache()
3767 	j = alloc_chain_hlocks(chain->depth);  in add_chain_cache()
3780 	for (j = 0; j < chain->depth - 1; j++, i++) {  in add_chain_cache()
4075 	int depth;  in print_irq_inversion_bug()  local
4100 	depth = get_lock_depth(other);  in print_irq_inversion_bug()
4102 		if (depth == 0 && (entry != root)) {  in print_irq_inversion_bug()
4108 		depth--;  in print_irq_inversion_bug()
4109 	} while (entry && entry != root && (depth >= 0));  in print_irq_inversion_bug()
4690 	unsigned int depth = curr->lockdep_depth;  in separate_irq_context()  local
4695 	if (depth) {  in separate_irq_context()
4698 		prev_hlock = curr->held_locks + depth-1;  in separate_irq_context()
4858 	int depth;  in check_wait_context()  local
4869 	for (depth = curr->lockdep_depth - 1; depth >= 0; depth--) {  in check_wait_context()
4870 		struct held_lock *prev = curr->held_locks + depth;  in check_wait_context()
4874 	depth++;  in check_wait_context()
4878 	for (; depth < curr->lockdep_depth; depth++) {  in check_wait_context()
4879 		struct held_lock *prev = curr->held_locks + depth;  in check_wait_context()
5086 	unsigned int depth;  in __lock_acquire()  local
5132 	depth = curr->lockdep_depth;  in __lock_acquire()
5136 	if (DEBUG_LOCKS_WARN_ON(depth >= MAX_LOCK_DEPTH))  in __lock_acquire()
5141 	if (depth && !sync) {  in __lock_acquire()
5143 		hlock = curr->held_locks + depth - 1;  in __lock_acquire()
5161 	hlock = curr->held_locks + depth;  in __lock_acquire()
5209 	if (!depth) {  in __lock_acquire()
5231 		WARN_ON_ONCE(depth && !hlock_class(hlock - 1)->key);  in __lock_acquire()
5340 					unsigned int depth, int *idx)  in find_held_lock()  argument
5345 	i = depth - 1;  in find_held_lock()
5373 static int reacquire_held_locks(struct task_struct *curr, unsigned int depth,  in reacquire_held_locks()  argument
5382 	for (hlock = curr->held_locks + idx; idx < depth; idx++, hlock++) {  in reacquire_held_locks()
5411 	unsigned int depth, merged = 0;  in __lock_set_class()  local
5419 	depth = curr->lockdep_depth;  in __lock_set_class()
5424 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_set_class()
5427 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_set_class()
5443 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_set_class()
5450 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged))  in __lock_set_class()
5458 	unsigned int depth, merged = 0;  in __lock_downgrade()  local
5465 	depth = curr->lockdep_depth;  in __lock_downgrade()
5470 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_downgrade()
5473 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_downgrade()
5486 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_downgrade()
5497 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth))  in __lock_downgrade()
5512 	unsigned int depth, merged = 1;  in __lock_release()  local
5519 	depth = curr->lockdep_depth;  in __lock_release()
5524 	if (depth <= 0) {  in __lock_release()
5533 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_release()
5569 	if (i == depth-1)  in __lock_release()
5572 	if (reacquire_held_locks(curr, depth, i + 1, &merged))  in __lock_release()
5580 	DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged);  in __lock_release()
6039 	unsigned int depth;  in __lock_contended()  local
6042 	depth = curr->lockdep_depth;  in __lock_contended()
6047 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_contended()
6053 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_contended()
6083 	unsigned int depth;  in __lock_acquired()  local
6087 	depth = curr->lockdep_depth;  in __lock_acquired()
6092 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_acquired()
6098 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_acquired()
6195 	for (i = chain->base; i < chain->base + chain->depth; i++) {  in remove_class_from_lock_chain()
6208 	free_chain_hlocks(chain->base, chain->depth);  in remove_class_from_lock_chain()