[GIT PULL] timers/urgent for v5.16-rc4
From: Borislav Petkov
Date: Sun Dec 05 2021 - 06:59:33 EST
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.
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