788 	int i, depth = READ_ONCE(p->lockdep_depth);  in lockdep_print_held_locks()  local
790 	if (!depth)  in lockdep_print_held_locks()
793 		printk("%d lock%s held by %s/%d:\n", depth,  in lockdep_print_held_locks()
794 		       str_plural(depth), p->comm, task_pid_nr(p));  in lockdep_print_held_locks()
801 	for (i = 0; i < depth; i++) {  in lockdep_print_held_locks()
1054 	for (i = chain->base; i < chain->base + chain->depth; i++)  in check_lock_chain_key()
1551 	int depth = 0;  in get_lock_depth()  local
1556 		depth++;  in get_lock_depth()
1558 	return depth;  in get_lock_depth()
1876 print_circular_bug_entry(struct lock_list *target, int depth)  in print_circular_bug_entry()  argument
1880 	printk("\n-> #%u", depth);  in print_circular_bug_entry()
1951 print_circular_bug_header(struct lock_list *entry, unsigned int depth,  in print_circular_bug_header()  argument
1975 	print_circular_bug_entry(entry, depth);  in print_circular_bug_header()
2013 	int depth;  in print_circular_bug()  local
2022 	depth = get_lock_depth(target);  in print_circular_bug()
2026 	print_circular_bug_header(target, depth, check_src, check_tgt);  in print_circular_bug()
2032 		print_circular_bug_entry(parent, --depth);  in print_circular_bug()
2331 static void print_lock_class_header(struct lock_class *class, int depth)  in print_lock_class_header()  argument
2335 	printk("%*s->", depth, "");  in print_lock_class_header()
2344 			int len = depth;  in print_lock_class_header()
2346 			len += printk("%*s   %s", depth, "", usage_str[bit]);  in print_lock_class_header()
2351 	printk("%*s }\n", depth, "");  in print_lock_class_header()
2354 		depth, "", class->key, class->key);  in print_lock_class_header()
2414 	int depth;  in print_shortest_lock_dependencies()  local
2417 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies()
2420 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies()
2421 		printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies()
2425 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies()
2431 		depth--;  in print_shortest_lock_dependencies()
2432 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies()
2461 	int depth;  in print_shortest_lock_dependencies_backwards()  local
2464 	depth = get_lock_depth(leaf);  in print_shortest_lock_dependencies_backwards()
2467 		print_lock_class_header(entry->class, depth);  in print_shortest_lock_dependencies_backwards()
2469 			printk("%*s ... acquired at:\n", depth, "");  in print_shortest_lock_dependencies_backwards()
2480 		if (depth == 0 && (entry != root)) {  in print_shortest_lock_dependencies_backwards()
2486 		depth--;  in print_shortest_lock_dependencies_backwards()
2487 	} while (entry && (depth >= 0));  in print_shortest_lock_dependencies_backwards()
3261 	int depth = curr->lockdep_depth;  in check_prevs_add()  local
3269 	if (!depth)  in check_prevs_add()
3275 	if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
3276 			curr->held_locks[depth-1].irq_context)  in check_prevs_add()
3280 		u16 distance = curr->lockdep_depth - depth + 1;  in check_prevs_add()
3281 		hlock = curr->held_locks + depth - 1;  in check_prevs_add()
3298 		depth--;  in check_prevs_add()
3302 		if (!depth)  in check_prevs_add()
3307 		if (curr->held_locks[depth].irq_context !=  in check_prevs_add()
3308 				curr->held_locks[depth-1].irq_context)  in check_prevs_add()
3605 	int depth = curr->lockdep_depth;  in print_chain_keys_held_locks()  local
3608 	printk("depth: %u (irq_context %u)\n", depth - i + 1,  in print_chain_keys_held_locks()
3610 	for (; i < depth; i++) {  in print_chain_keys_held_locks()
3627 	printk("depth: %u\n", chain->depth);  in print_chain_keys_chain()
3628 	for (i = 0; i < chain->depth; i++) {  in print_chain_keys_chain()
3679 	if (DEBUG_LOCKS_WARN_ON(chain->depth != curr->lockdep_depth - (i - 1))) {  in check_no_collision()
3684 	for (j = 0; j < chain->depth - 1; j++, i++) {  in check_no_collision()
3760 	chain->depth = curr->lockdep_depth + 1 - i;  in add_chain_cache()
3766 	j = alloc_chain_hlocks(chain->depth);  in add_chain_cache()
3779 	for (j = 0; j < chain->depth - 1; j++, i++) {  in add_chain_cache()
4074 	int depth;  in print_irq_inversion_bug()  local
4099 	depth = get_lock_depth(other);  in print_irq_inversion_bug()
4101 		if (depth == 0 && (entry != root)) {  in print_irq_inversion_bug()
4107 		depth--;  in print_irq_inversion_bug()
4108 	} while (entry && entry != root && (depth >= 0));  in print_irq_inversion_bug()
4689 	unsigned int depth = curr->lockdep_depth;  in separate_irq_context()  local
4694 	if (depth) {  in separate_irq_context()
4697 		prev_hlock = curr->held_locks + depth-1;  in separate_irq_context()
4857 	int depth;  in check_wait_context()  local
4868 	for (depth = curr->lockdep_depth - 1; depth >= 0; depth--) {  in check_wait_context()
4869 		struct held_lock *prev = curr->held_locks + depth;  in check_wait_context()
4873 	depth++;  in check_wait_context()
4877 	for (; depth < curr->lockdep_depth; depth++) {  in check_wait_context()
4878 		struct held_lock *prev = curr->held_locks + depth;  in check_wait_context()
5085 	unsigned int depth;  in __lock_acquire()  local
5134 	depth = curr->lockdep_depth;  in __lock_acquire()
5138 	if (DEBUG_LOCKS_WARN_ON(depth >= MAX_LOCK_DEPTH))  in __lock_acquire()
5143 	if (depth && !sync) {  in __lock_acquire()
5145 		hlock = curr->held_locks + depth - 1;  in __lock_acquire()
5163 	hlock = curr->held_locks + depth;  in __lock_acquire()
5211 	if (!depth) {  in __lock_acquire()
5233 		WARN_ON_ONCE(depth && !hlock_class(hlock - 1)->key);  in __lock_acquire()
5342 					unsigned int depth, int *idx)  in find_held_lock()  argument
5347 	i = depth - 1;  in find_held_lock()
5375 static int reacquire_held_locks(struct task_struct *curr, unsigned int depth,  in reacquire_held_locks()  argument
5384 	for (hlock = curr->held_locks + idx; idx < depth; idx++, hlock++) {  in reacquire_held_locks()
5413 	unsigned int depth, merged = 0;  in __lock_set_class()  local
5421 	depth = curr->lockdep_depth;  in __lock_set_class()
5426 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_set_class()
5429 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_set_class()
5445 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_set_class()
5452 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged))  in __lock_set_class()
5460 	unsigned int depth, merged = 0;  in __lock_downgrade()  local
5467 	depth = curr->lockdep_depth;  in __lock_downgrade()
5472 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_downgrade()
5475 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_downgrade()
5488 	if (reacquire_held_locks(curr, depth, i, &merged))  in __lock_downgrade()
5499 	if (DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth))  in __lock_downgrade()
5514 	unsigned int depth, merged = 1;  in __lock_release()  local
5521 	depth = curr->lockdep_depth;  in __lock_release()
5526 	if (depth <= 0) {  in __lock_release()
5535 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_release()
5571 	if (i == depth-1)  in __lock_release()
5574 	if (reacquire_held_locks(curr, depth, i + 1, &merged))  in __lock_release()
5582 	DEBUG_LOCKS_WARN_ON(curr->lockdep_depth != depth - merged);  in __lock_release()
6041 	unsigned int depth;  in __lock_contended()  local
6044 	depth = curr->lockdep_depth;  in __lock_contended()
6049 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_contended()
6055 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_contended()
6085 	unsigned int depth;  in __lock_acquired()  local
6089 	depth = curr->lockdep_depth;  in __lock_acquired()
6094 	if (DEBUG_LOCKS_WARN_ON(!depth))  in __lock_acquired()
6100 	hlock = find_held_lock(curr, lock, depth, &i);  in __lock_acquired()
6197 	for (i = chain->base; i < chain->base + chain->depth; i++) {  in remove_class_from_lock_chain()
6210 	free_chain_hlocks(chain->base, chain->depth);  in remove_class_from_lock_chain()