From 877ef685322f795c071da9657bb490730d8cbb89 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 28 Nov 2023 14:32:24 +0200
Subject: [PATCH] Revert "kqueue: on process exit, force-clear its registered
 signal events"

This reverts commit 393ac29f0b8be068c8e46f76c2eeee07d20ea4df.  A
different fix is following, which preserves semantic, required by the
sys.kqueue.proc3_test.proc3 test.

Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
PR:	275286
Differential revision:	https://reviews.freebsd.org/D42777
---
 sys/kern/kern_exit.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index 0d974c192b93..f83f0433f9cd 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -983,7 +983,6 @@ proc_reap(struct thread *td, struct proc *p, int *status, int options)
 	proc_id_clear(PROC_ID_PID, p->p_pid);
 
 	PROC_LOCK(p);
-	knlist_delete(p->p_klist, td, 1);
 	knlist_detach(p->p_klist);
 	p->p_klist = NULL;
 	PROC_UNLOCK(p);