From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Mel Gorman <mgorman@suse.de>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RT][PATCH 2/2] tick: Fix timer storm since introduction of timersd
Date: Wed, 11 May 2022 13:54:56 +0200 [thread overview]
Message-ID: <YnukEFBsOJqBnq9j@linutronix.de> (raw)
In-Reply-To: <20220405010752.1347437-2-frederic@kernel.org>
On 2022-04-05 03:07:52 [+0200], Frederic Weisbecker wrote:
> If timers are pending while the tick is reprogrammed on nohz_mode, the
> next expiry is not armed to fire now, it is delayed one jiffy forward
> instead so as not to raise an inextinguishable timer storm with such
> scenario:
The series of two has been applied.
Sebastian
prev parent reply other threads:[~2022-05-11 11:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-05 1:07 [RT][PATCH 1/2] rcutorture: Also force sched priority to timersd on boosting test Frederic Weisbecker
2022-04-05 1:07 ` [RT][PATCH 2/2] tick: Fix timer storm since introduction of timersd Frederic Weisbecker
2022-04-05 16:21 ` Alison Chaiken
2022-04-15 10:28 ` Frederic Weisbecker
2022-05-11 11:54 ` Sebastian Andrzej Siewior [this message]
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