From: Borislav Petkov <bp@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: x86-ml <x86@kernel.org>, lkml <linux-kernel@vger.kernel.org>
Subject: [GIT PULL] timers/urgent for v5.16-rc4
Date: Sun, 5 Dec 2021 12:59:26 +0100 [thread overview]
Message-ID: <YaypnuP+OlCi41w7@zn.tnic> (raw)
Hi Linus,
please pull a single urgent timers fix for 5.16.
Thx.
---
The following changes since commit d58071a8a76d779eedab38033ae4c821c30295a5:
Linux 5.16-rc3 (2021-11-28 14:09:19 -0800)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/timers_urgent_for_v5.16_rc4
for you to fetch changes up to 53e87e3cdc155f20c3417b689df8d2ac88d79576:
timers/nohz: Last resort update jiffies on nohz_full IRQ entry (2021-12-02 15:07:22 +0100)
----------------------------------------------------------------
- Prevent a tick storm when a dedicated timekeeper CPU in nohz_full
mode runs for prolonged periods with interrupts disabled and ends up
programming the next tick in the past, leading to that storm
----------------------------------------------------------------
Frederic Weisbecker (1):
timers/nohz: Last resort update jiffies on nohz_full IRQ entry
kernel/softirq.c | 3 ++-
kernel/time/tick-sched.c | 7 +++++++
2 files changed, 9 insertions(+), 1 deletion(-)
--
Regards/Gruss,
Boris.
SUSE Software Solutions Germany GmbH, GF: Ivo Totev, HRB 36809, AG Nürnberg
next reply other threads:[~2021-12-05 11:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-05 11:59 Borislav Petkov [this message]
2021-12-05 17:02 ` pr-tracker-bot
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