1068 #define EMPTY_HASH	((struct ftrace_hash *)&empty_hash)  macro
1072 	.local_hash.notrace_hash	= EMPTY_HASH,
1073 	.local_hash.filter_hash		= EMPTY_HASH,
1267 	if (!hash || hash == EMPTY_HASH)  in free_ftrace_hash()
1284 	if (!hash || hash == EMPTY_HASH)  in free_ftrace_hash_rcu()
1300 	ops->func_hash->filter_hash = EMPTY_HASH;  in ftrace_free_filter()
1301 	ops->func_hash->notrace_hash = EMPTY_HASH;  in ftrace_free_filter()
1449 		return EMPTY_HASH;  in __ftrace_hash_move()
2083 	return __ftrace_hash_update_ipmodify(ops, EMPTY_HASH, hash);  in ftrace_hash_ipmodify_enable()
2094 	__ftrace_hash_update_ipmodify(ops, hash, EMPTY_HASH);  in ftrace_hash_ipmodify_disable()
2572 static struct ftrace_hash __rcu *direct_functions = EMPTY_HASH;
3204 		return EMPTY_HASH;  in copy_hash()
3244 		*hash = EMPTY_HASH;  in append_hash()
3304 		*hash = EMPTY_HASH;  in intersect_hash()
3320 		*hash = EMPTY_HASH;  in intersect_hash()
3405 		*notrace_hash = EMPTY_HASH;  in add_first_hash()
3411 		*filter_hash = EMPTY_HASH;  in add_first_hash()
3425 		*filter_hash = EMPTY_HASH;  in add_next_hash()
3448 			*filter_hash = EMPTY_HASH;  in add_next_hash()
3478 			*notrace_hash = EMPTY_HASH;  in add_next_hash()
3497 	struct ftrace_hash *filter_hash = EMPTY_HASH;  in ftrace_startup_subops()
3498 	struct ftrace_hash *notrace_hash = EMPTY_HASH;  in ftrace_startup_subops()
3514 		ops->func_hash->filter_hash = EMPTY_HASH;  in ftrace_startup_subops()
3516 		ops->func_hash->notrace_hash = EMPTY_HASH;  in ftrace_startup_subops()
3518 		subops->func_hash->filter_hash = EMPTY_HASH;  in ftrace_startup_subops()
3520 		subops->func_hash->notrace_hash = EMPTY_HASH;  in ftrace_startup_subops()
3590 	temp_hash.filter_hash = EMPTY_HASH;  in rebuild_hashes()
3591 	temp_hash.notrace_hash = EMPTY_HASH;  in rebuild_hashes()
3594 		*filter_hash = EMPTY_HASH;  in rebuild_hashes()
3595 		*notrace_hash = EMPTY_HASH;  in rebuild_hashes()
3635 	struct ftrace_hash *filter_hash = EMPTY_HASH;  in ftrace_shutdown_subops()
3636 	struct ftrace_hash *notrace_hash = EMPTY_HASH;  in ftrace_shutdown_subops()
3660 		ops->func_hash->filter_hash = EMPTY_HASH;  in ftrace_shutdown_subops()
3661 		ops->func_hash->notrace_hash = EMPTY_HASH;  in ftrace_shutdown_subops()
3953 	if (!hash || hash == EMPTY_HASH)  in t_probe_next()
6012 	if (free_hash && free_hash != EMPTY_HASH)  in register_ftrace_direct()
6569 struct ftrace_hash __rcu *ftrace_graph_hash = EMPTY_HASH;
6570 struct ftrace_hash __rcu *ftrace_graph_notrace_hash = EMPTY_HASH;
6853 		if (old_hash != EMPTY_HASH)  in ftrace_graph_release()