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Date:   Fri, 8 Jan 2021 12:19:48 +0100
From:   Sebastian Siewior <>
To:     Peter Zijlstra <>
Cc:     Ran Wang <>,
        Thomas Gleixner <>,
        Jiafei Pan <>,, Ingo Molnar <>,
        Juri Lelli <>,
        Vincent Guittot <>,
        Dietmar Eggemann <>,
        Steven Rostedt <>,
        Ben Segall <>, Mel Gorman <>,
Subject: Re: [PATCH] [RFC] rt: kernel/sched/core: fix kthread_park() pending
 too long when CPU un-plugged

On 2021-01-08 10:32:36 [+0100], Peter Zijlstra wrote:
> It's a single task wakeup (the caller), doing that from hardirq context
> really should not be a problem, we do lots of that in RT already.

I'm not worry about that single wakeup but about an artificial case
where you manage to accumulate multiple single wake ups in a short
time frame.


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