locking/lockdep: Avoid RCU-induced noinstr fail

vmlinux.o: warning: objtool: look_up_lock_class()+0xc7: call to rcu_read_lock_any_held() leaves .noinstr.text section
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210624095148.311980536@infradead.org

kernel/locking/lockdep.c

@@ -888,7 +888,7 @@ look_up_lock_class(const struct lockdep_map *lock, unsigned int subclass)
 	if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
 		return NULL;
 
-	hlist_for_each_entry_rcu(class, hash_head, hash_entry) {
+	hlist_for_each_entry_rcu_notrace(class, hash_head, hash_entry) {
 		if (class->key == key) {
 			/*
 			 * Huh! same key, different name? Did someone trample