linux-kernel - Re: [PATCH 12/14] sched: Add shared runqueue locking to __task_rq

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Message-ID: <aNbD004LOA9xOF27@slm.duckdns.org>
Date: Fri, 26 Sep 2025 06:48:19 -1000
From: Tejun Heo <tj@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: linux-kernel@...r.kernel.org, mingo@...hat.com, juri.lelli@...hat.com,
	vincent.guittot@...aro.org, dietmar.eggemann@....com,
	rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
	vschneid@...hat.com, longman@...hat.com, hannes@...xchg.org,
	mkoutny@...e.com, void@...ifault.com, arighi@...dia.com,
	changwoo@...lia.com, cgroups@...r.kernel.org,
	sched-ext@...ts.linux.dev, liuwenfang@...or.com, tglx@...utronix.de
Subject: Re: [PATCH 12/14] sched: Add shared runqueue locking to
 __task_rq_lock()

On Fri, Sep 26, 2025 at 11:59:34AM +0200, Peter Zijlstra wrote:
> On Thu, Sep 25, 2025 at 11:43:18AM -1000, Tejun Heo wrote:
> 
> > Can you point me to the RT interaction issue?
> 
> https://lkml.kernel.org/r/fca528bb34394de3a7e87a873fadd9df@honor.com

Ah, that one. Thought there was another RT proper issue. That's the one
which can be solved by having post-pick_task() hook.

Thanks.

-- 
tejun