linux-kernel - Re: [PATCH] sched/deadline: Fix race in push_dl

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Message-ID: <71A41F54-E3B6-4D47-A8DA-4BA7075D949E@nutanix.com>
Date: Mon, 17 Mar 2025 02:28:35 +0000
From: Harshit Agarwal <harshit@...anix.com>
To: Juri Lelli <juri.lelli@...hat.com>
CC: Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
        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>,
        Valentin Schneider
	<vschneid@...hat.com>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org"
	<stable@...r.kernel.org>
Subject: Re: [PATCH] sched/deadline: Fix race in push_dl_task


> 
> So, it looks definitely more complicated (and fragile?), but I think I
> still like it better. Maybe you could add a comment in the code
> documenting the two different paths and the associated checks, so that we
> don't forget. :)

Sent the v2 with this approach: 
https://lore.kernel.org/lkml/20250317022325.52791-1-harshit@nutanix.com/T/#u

Please take a look.

Thanks,
Harshit