linux-kernel - Re: [PATCH] cgroup/cpuset-v1: Add missing support for cpuset_v2

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Message-ID: <ysc4oguaisa7s5qvdevxyiqoerhmcvywhvfnmnpryaeookmjzc@667ethp4kp4p>
Date: Mon, 14 Apr 2025 20:26:53 +0200
From: Michal Koutný <mkoutny@...e.com>
To: "T.J. Mercier" <tjmercier@...gle.com>
Cc: Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>, 
	Waiman Long <longman@...hat.com>, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cgroup/cpuset-v1: Add missing support for cpuset_v2_mode

Hello.

On Mon, Apr 14, 2025 at 04:28:41PM +0000, "T.J. Mercier" <tjmercier@...gle.com> wrote:
> Add cgroup v1 parameter parsing to the cpuset filesystem type so that it
> works like the cgroup filesystem type:

Nothing against 'cpuset_v2_mode' for the cpuset_fs_type (when it's
available on cgroup v1) but isn't it too benevolent reusing all of
cgroup1_fs_parameters? AFAICS, this would allow overriding release agent
also for cpuset fs hierarchies among other options from
cgroup1_fs_parameters.

(This would likely end up with a separate .parse_param callback but I
think that's better than adding so many extra features to cpuset fs.)


Thanks,
Michal

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