diff --git a/kernel/exit.c b/kernel/exit.c
index 51ac4ced131..ce5f758f40b 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -818,20 +818,6 @@ static void exit_notify(struct task_struct *tsk, int group_dead)
 	if (group_dead)
 		kill_orphaned_pgrp(tsk->group_leader, NULL);
 
-	/* Let father know we died
-	 *
-	 * Thread signals are configurable, but you aren't going to use
-	 * that to send signals to arbitrary processes.
-	 * That stops right now.
-	 *
-	 * If the parent exec id doesn't match the exec id we saved
-	 * when we started then we know the parent has changed security
-	 * domain.
-	 */
-	if (thread_group_leader(tsk) && tsk->exit_signal != SIGCHLD &&
-	    tsk->parent_exec_id != tsk->real_parent->self_exec_id)
-		tsk->exit_signal = SIGCHLD;
-
 	if (unlikely(tsk->ptrace)) {
 		int sig = thread_group_leader(tsk) &&
 				thread_group_empty(tsk) &&
diff --git a/kernel/signal.c b/kernel/signal.c
index 8511e39813c..e76001ccf5c 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1652,6 +1652,15 @@ bool do_notify_parent(struct task_struct *tsk, int sig)
 	BUG_ON(!tsk->ptrace &&
 	       (tsk->group_leader != tsk || !thread_group_empty(tsk)));
 
+	if (sig != SIGCHLD) {
+		/*
+		 * This is only possible if parent == real_parent.
+		 * Check if it has changed security domain.
+		 */
+		if (tsk->parent_exec_id != tsk->parent->self_exec_id)
+			sig = SIGCHLD;
+	}
+
 	info.si_signo = sig;
 	info.si_errno = 0;
 	/*