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From: Tejun Heo <tj@kernel.org>
To: Juri Lelli <juri.lelli@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Valentin Schneider <vschneid@redhat.com>,
	K Prateek Nayak <kprateek.nayak@amd.com>,
	Luca Abeni <luca.abeni@santannapisa.it>,
	Andrea Righi <arighi@nvidia.com>,
	sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: sched/deadline: total_bw leak when a task leaves SCHED_DEADLINE while not queued
Date: Mon, 02 Nov 2026 06:34:04 -1000	[thread overview]
Message-ID: <0c5a32d85c3bf4d9fa3bacafa510b51f@kernel.org> (raw)
In-Reply-To: <auhw3ctxwy8qeOvs@jlelli-thinkpadt14gen4.remote.csb>

Hello, Juri.

On Mon, Nov 02, 2026 at 12:15:41PM +0100, Juri Lelli wrote:
> Would you be able to re-test with the patches at
>
> https://github.com/jlelli/linux.git fix/dl-total-bw-leak

On 473adf013e43, all three are fixed.

Tested-by: Tejun Heo <tj@kernel.org>

> BTW, it looks like I could verify with reproducers I pushed to
> https://github.com/jlelli/sched-deadline-tests/commits/fix/dl-total-bw-leak-reproducer
> but I'm not sure if they are similar/equivalent to what you have at your
> end.

They cover the same cases as mine.

Thanks.

--
tejun

      reply	other threads:[~2026-11-02 16:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-29 21:55 Tejun Heo
2026-10-30  9:22 ` Juri Lelli
2026-10-31  0:47   ` Tejun Heo
2026-11-02 10:08     ` Juri Lelli
2026-11-02 11:15       ` Juri Lelli
2026-11-02 16:34         ` Tejun Heo [this message]

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