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Date: Mon, 15 Sep 2025 14:24:44 +0200
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Luis Claudio R. Goncalves" <lgoncalv@redhat.com>,
	Oleg Nesterov <oleg@redhat.com>,
	Clark Williams <clrkwllms@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>, Tejun Heo <tj@kernel.org>,
	David Vernet <dvernet@meta.com>, Barret Rhoden <brho@google.com>,
	Josh Don <joshdon@google.com>, Crystal Wood <crwood@redhat.com>,
	linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev,
	Juri Lelli <juri.lelli@redhat.com>, Ben Segall <bsegall@google.com>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Ingo Molnar <mingo@redhat.com>, Mel Gorman <mgorman@suse.de>,
	Valentin Schneider <vschneid@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Wander Lairson Costa <wander@redhat.com>
Subject: Re: [RESEND PATCH] sched: restore the behavior of put_task_struct()
 for non-rt
Message-ID: <20250915122444.Gg_Tsymz@linutronix.de>
References: <aMf1RzZHjdoPNOv_@uudg.org>
 <20250915113812.GB3245006@noisy.programming.kicks-ass.net>
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In-Reply-To: <20250915113812.GB3245006@noisy.programming.kicks-ass.net>

On 2025-09-15 13:38:12 [+0200], Peter Zijlstra wrote:
> Right, but I thought we did want to make this behaviour consistent.

That is correct, that is what I asked for (either consistent or a
compelling reason why not).
Oleg pointed out that the patch description does not match the change.
That is the only complaint.

> And IIRC RT has been running with this for ages, and never seen a
> problem.

The syz-bot picked up RT recently. Other than that, yes, RT had it for
ages.

Sebastian