The branch releng/14.4 has been updated by cperciva:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=37fa2e7695818d4da269a24e2de1a653828947dd

commit 37fa2e7695818d4da269a24e2de1a653828947dd
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2026-02-12 20:24:13 +0000
Commit:     Colin Percival <[email protected]>
CommitDate: 2026-02-18 01:47:15 +0000

    filt_timerexpire_l(): re-insert restarted timer into head instead of tail
    
    PR:     293141
    
    (cherry picked from commit 75a30ea09f4e75480743fae5c2369d50a6d8526c)
    (cherry picked from commit 119af90d483aee79bf549b3d63e1093bb59e1092)
---
 sys/kern/kern_event.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index 835a22c81528..869c4cf24ddb 100644
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -769,8 +769,13 @@ filt_timerexpire_l(struct knote *kn, bool proc_locked)
                        PROC_LOCK(p);
                if (P_SHOULDSTOP(p) || P_KILLED(p)) {
                        if ((kc->flags & KQ_TIMER_CB_ENQUEUED) == 0) {
+                               /*
+                                * Insert into head so that
+                                * kqtimer_proc_continue() does not
+                                * iterate into us again.
+                                */
                                kc->flags |= KQ_TIMER_CB_ENQUEUED;
-                               TAILQ_INSERT_TAIL(&p->p_kqtim_stop, kc, link);
+                               TAILQ_INSERT_HEAD(&p->p_kqtim_stop, kc, link);
                        }
                        if (!proc_locked)
                                PROC_UNLOCK(p);

Reply via email to