linux-kernel - Re: [PATCH] sched/rt: Plug rt_mutex_setprio() vs push_rt

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Date:   Thu, 20 Jan 2022 19:47:01 +0000
From:   Valentin Schneider <valentin.schneider@....com>
To:     linux-kernel@...r.kernel.org
Cc:     John Keeping <john@...anate.com>, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: Re: [PATCH] sched/rt: Plug rt_mutex_setprio() vs push_rt_task() race

On 20/01/22 19:40, Valentin Schneider wrote:
> Link: http://lore.kernel.org/r/Yb3vXx3DcqVOi+EA@donbot
> Fixes: a7c81556ec4d ("sched: Fix migrate_disable() vs rt/dl balancing")
> Reported-by: John Keeping <john@...anate.com>
> Signed-off-by: Valentin Schneider <valentin.schneider@....com>

@John: it's slightly different than the few things we got you to try out,
so I didn't keep your tested-by, sorry!