linux-kernel - Re: [PATCH 2/2] cgroup/cpuset: Exclude isolated CPUs from housekeeping CPU masks

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Message-ID: <ZeDsBW4rC9gaMjuY@slm.duckdns.org>
Date: Thu, 29 Feb 2024 10:41:41 -1000
From: Tejun Heo <tj@...nel.org>
To: Waiman Long <longman@...hat.com>
Cc: Zefan Li <lizefan.x@...edance.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	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>,
	Daniel Bristot de Oliveira <bristot@...hat.com>,
	Valentin Schneider <vschneid@...hat.com>,
	Frederic Weisbecker <frederic@...nel.org>,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	Cestmir Kalina <ckalina@...hat.com>,
	Costa Shulyupin <cshulyup@...hat.com>
Subject: Re: [PATCH 2/2] cgroup/cpuset: Exclude isolated CPUs from
 housekeeping CPU masks

On Wed, Feb 28, 2024 at 09:14:14PM -0500, Waiman Long wrote:
> Call the newly introduced housekeeping_exlude_isolcpus() function to
> exclude isolated CPUs from the selected housekeeping CPU masks. This
> is in addition to the exclusion of isolated CPUs from the workqueue
> unbound CPU mask.
> 
> Right now only HK_TYPE_TIMER and HK_TYPE_RCU CPU masks are updated,
> but more may be added in the future when appropriate.
> 
> Signed-off-by: Waiman Long <longman@...hat.com>

This looks fine to me from cgroup POV. Please feel free to route the patch
any way you see fit.

  Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun