linux-kernel - Re: [PATCH sched_ext/for-6.12] sched_ext: Don't trigger ops.quiescent/runnable() on migrations

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Message-ID: <ZuCvrsK9vf51Acy8@slm.duckdns.org>
Date: Tue, 10 Sep 2024 10:44:30 -1000
From: Tejun Heo <tj@...nel.org>
To: David Vernet <void@...ifault.com>
Cc: linux-kernel@...r.kernel.org, kernel-team@...a.com,
	hodges.daniel.scott@...il.com, multics69@...il.com,
	andrea.righi@...ux.dev, schatzberg.dan@...il.com
Subject: Re: [PATCH sched_ext/for-6.12] sched_ext: Don't trigger
 ops.quiescent/runnable() on migrations

On Mon, Sep 09, 2024 at 01:40:44PM -1000, Tejun Heo wrote:
> A task moving across CPUs should not trigger quiescent/runnable task state
> events as the task is staying runnable the whole time and just stopping and
> then starting on different CPUs. Suppress quiescent/runnable task state
> events if task_on_rq_migrating().
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Suggested-by: David Vernet <void@...ifault.com>
> Cc: Daniel Hodges <hodges.daniel.scott@...il.com>
> Cc: Changwoo Min <multics69@...il.com>
> Cc: Andrea Righi <andrea.righi@...ux.dev>
> Cc: Dan Schatzberg <schatzberg.dan@...il.com>

Applied to sched_ext/for-6.12.

Thanks.

-- 
tejun