From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>
Subject: Re: [PATCH v2] cgroup-v1: add disabled controller check in
 cgroup1_parse_param()
Date: Thu, 14 Jan 2021 14:12:58 +0100
Message-ID: <YABDWvI2PWQpnv59@blackbook>
References: <20201218061755.121205-1-chenzhou10@huawei.com>
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To: Chen Zhou <chenzhou10@huawei.com>
Cc: tj@kernel.org, lizefan.x@bytedance.com, hannes@cmpxchg.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org


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Hello Chen.

On Fri, Dec 18, 2020 at 02:17:55PM +0800, Chen Zhou <chenzhou10@huawei.com> wrote:
> When mounting a cgroup hierarchy with disabled controller in cgroup v1,
> all available controllers will be attached.
Not sure if I understand the situation -- have you observed a v1
controller attached to a hierarchy while specifying cgroup_no_v1= kernel
cmdline arg?

AFAICS, the disabled controllers are honored thanks to
check_cgroupfs_options().

Michal

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