783 	int i, depth = READ_ONCE(p->lockdep_depth);  in lockdep_print_held_locks()  local
785 	if (!depth)  in lockdep_print_held_locks()
788 		printk("%d lock%s held by %s/%d:\n", depth,  in lockdep_print_held_locks()
789 		       depth > 1 ? "s" : "", p->comm, task_pid_nr(p));  in lockdep_print_held_locks()
796 	for (i = 0; i < depth; i++) {  in lockdep_print_held_locks()
1045 	for (i = chain->base; i < chain->base + chain->depth; i++)  in check_lock_chain_key()
1535 	int depth = 0;  in get_lock_depth()  local
1540 		depth++;  in get_lock_depth()
1542 	return depth;  in get_lock_depth()
1860 print_circular_bug_entry(struct lock_list *target, int depth)  in print_circular_bug_entry()  argument
1864 	printk("\n-> #%u", depth);  in print_circular_bug_entry()
1935 print_circular_bug_header(struct lock_list *entry, unsigned int depth,  in print_circular_bug_header()  argument
1959 	print_circular_bug_entry(entry, depth);  in print_circular_bug_header()
2032 	int depth;  in print_circular_bug()  local
2041 	depth = get_lock_depth(target);  in print_circular_bug()
2043 	print_circular_bug_header(target, depth, check_src, check_tgt);  in print_circular_bug()
2049 		print_circular_bug_entry(parent, --depth);  in print_circular_bug()
2343 static void print_lock_class_header(struct lock_class *class, int depth)  in print_lock_class_header()  argument
2347 	printk("%*s->", depth, "");  in print_lock_class_header()
2356 			int len = depth;  in print_lock_class_header()
2358 			len += printk("%*s   %s", depth, "", usage_str[bit]);  in print_lock_class_header()
2363 	printk("%*s }\n", depth, "");  in print_lock_class_header()
2366 		depth, "", class->key, class->key);  in print_lock_class_header()
2426 	int depth;  in print_shortest_lock_dependencies()  local
2429 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies()
2432 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies()
2433 		printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies()
2437 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies()
2443 		depth--;  in print_shortest_lock_dependencies()
2444 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies()
2473 	int depth;  in print_shortest_lock_dependencies_backwards()  local
2476 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies_backwards()
2479 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies_backwards()
2481 			printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies_backwards()
2492 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies_backwards()
2498 		depth--;  in print_shortest_lock_dependencies_backwards()
2499 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies_backwards()
3230 	int depth = curr->lockdep_depth;  in check_prevs_add()  local
3238 	if (!depth)  in check_prevs_add()
3244 	if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
3245 			curr->held_locks[depth-1].irq_context)  in check_prevs_add()
3249 		u16 distance = curr->lockdep_depth - depth + 1;  in check_prevs_add()
3250 		hlock = curr->held_locks + depth - 1;  in check_prevs_add()
3267 		depth--;  in check_prevs_add()
3271 		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()
3573 	int depth = curr->lockdep_depth;  in print_chain_keys_held_locks()  local
3576 	printk("depth: %u (irq_context %u)\n", depth - i + 1,  in print_chain_keys_held_locks()
3578 	for (; i < depth; i++) {  in print_chain_keys_held_locks()
3595 	printk("depth: %u\n", chain->depth);  in print_chain_keys_chain()
3596 	for (i = 0; i < chain->depth; i++) {  in print_chain_keys_chain()
3643 	if (DEBUG_LOCKS_WARN_ON(chain->depth != curr->lockdep_depth - (i - 1))) {  in check_no_collision()
3648 	for (j = 0; j < chain->depth - 1; j++, i++) {  in check_no_collision()
3722 	chain->depth = curr->lockdep_depth + 1 - i;  in add_chain_cache()
3728 	j = alloc_chain_hlocks(chain->depth);  in add_chain_cache()
3739 	for (j = 0; j < chain->depth - 1; j++, i++) {  in add_chain_cache()
4030 	int depth;  in print_irq_inversion_bug()  local
4053 	depth = get_lock_depth(other);  in print_irq_inversion_bug()
4055 		if (depth == 0 && (entry != root)) {  in print_irq_inversion_bug()
4061 		depth--;  in print_irq_inversion_bug()
4062 	} while (entry && entry != root && (depth >= 0));  in print_irq_inversion_bug()
4613 	unsigned int depth = curr->lockdep_depth;  in separate_irq_context()  local
4618 	if (depth) {  in separate_irq_context()
4621 		prev_hlock = curr->held_locks + depth-1;  in separate_irq_context()
4775 	int depth;  in check_wait_context()  local
4786 	for (depth = curr->lockdep_depth - 1; depth >= 0; depth--) {  in check_wait_context()
4787 		struct held_lock *prev = curr->held_locks + depth;  in check_wait_context()
4791 	depth++;  in check_wait_context()
4795 	for (; depth < curr->lockdep_depth; depth++) {  in check_wait_context()
4796 		struct held_lock *prev = curr->held_locks + depth;  in check_wait_context()
4996 	unsigned int depth;  in __lock_acquire()  local
5033 	depth = curr->lockdep_depth;  in __lock_acquire()
5037 	if (DEBUG_LOCKS_WARN_ON(depth >= MAX_LOCK_DEPTH))  in __lock_acquire()
5042 	if (depth && !sync) {  in __lock_acquire()
5044 		hlock = curr->held_locks + depth - 1;  in __lock_acquire()
5062 	hlock = curr->held_locks + depth;  in __lock_acquire()
5110 	if (!depth) {  in __lock_acquire()
5132 		WARN_ON_ONCE(depth && !hlock_class(hlock - 1)->key);  in __lock_acquire()
5235 					unsigned int depth, int *idx)  in find_held_lock()  argument
5240 	i = depth - 1;  in find_held_lock()
5268 static int reacquire_held_locks(struct task_struct *curr, unsigned int depth,  in reacquire_held_locks()  argument
5277 	for (hlock = curr->held_locks + idx; idx < depth; idx++, hlock++) {  in reacquire_held_locks()
5306 	unsigned int depth, merged = 0;  in __lock_set_class()  local
5314 	depth = curr->lockdep_depth;  in __lock_set_class()
5319 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_set_class()
5322 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_set_class()
5338 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_set_class()
5345 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged))  in __lock_set_class()
5353 	unsigned int depth, merged = 0;  in __lock_downgrade()  local
5360 	depth = curr->lockdep_depth;  in __lock_downgrade()
5365 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_downgrade()
5368 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_downgrade()
5381 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_downgrade()
5392 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth))  in __lock_downgrade()
5407 	unsigned int depth, merged = 1;  in __lock_release()  local
5414 	depth = curr->lockdep_depth;  in __lock_release()
5419 	if (depth <= 0) {  in __lock_release()
5428 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_release()
5464 	if (i == depth-1)  in __lock_release()
5467 	if (reacquire_held_locks(curr, depth, i + 1, &merged))  in __lock_release()
5475 	DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged);  in __lock_release()
5921 	unsigned int depth;  in __lock_contended()  local
5924 	depth = curr->lockdep_depth;  in __lock_contended()
5929 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_contended()
5932 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_contended()
5962 	unsigned int depth;  in __lock_acquired()  local
5966 	depth = curr->lockdep_depth;  in __lock_acquired()
5971 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_acquired()
5974 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_acquired()
6071 	for (i = chain->base; i < chain->base + chain->depth; i++) {  in remove_class_from_lock_chain()
6084 	free_chain_hlocks(chain->base, chain->depth);  in remove_class_from_lock_chain()