linux-kernel - Re: [RT][PATCH 2/2] tick: Fix timer storm since introduction of timersd

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Message-ID: <YnukEFBsOJqBnq9j@linutronix.de>
Date:   Wed, 11 May 2022 13:54:56 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Mel Gorman <mgorman@...e.de>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RT][PATCH 2/2] tick: Fix timer storm since introduction of
 timersd

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