linux-kernel - Re: [PATCH v6 1/6] gpu: rfc: Proposal for a GPU cgroup controller

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Message-ID: <20220504121052.GA24172@blackbody.suse.cz>
Date:   Wed, 4 May 2022 14:10:52 +0200
From:   Michal Koutný <mkoutny@...e.com>
To:     "T.J. Mercier" <tjmercier@...gle.com>
Cc:     Tejun Heo <tj@...nel.org>, Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>, daniel@...ll.ch,
        hridya@...gle.com, christian.koenig@....com, jstultz@...gle.com,
        tkjos@...roid.com, cmllamas@...gle.com, surenb@...gle.com,
        kaleshsingh@...gle.com, Kenny.Ho@....com,
        skhan@...uxfoundation.org, kernel-team@...roid.com,
        cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 1/6] gpu: rfc: Proposal for a GPU cgroup controller

Hello.

On Mon, May 02, 2022 at 11:19:35PM +0000, "T.J. Mercier" <tjmercier@...gle.com> wrote:
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> [...]
> +	The device name string is set by a device driver when it registers with the
> +	GPU cgroup controller to participate in resource accounting. 

Are these names available anywhere else for the user? (I.e. would
drivers add respective sysfs attributes or similar?)


> +     Non-unique names will be rejected at the point of registration.

This doesn't seem relevant to the cgroupfs user, does it?
I think it should be mentioned at the respective API.

HTH,
Michal