Sender: Tejun Heo <htejun@gmail.com>
Date:   Wed, 12 Jan 2022 11:25:33 -1000
From:   Tejun Heo <tj@kernel.org>
To:     Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>
Cc:     longman@redhat.com, akpm@linux-foundation.org,
        cgroups@vger.kernel.org, corbet@lwn.net, frederic@kernel.org,
        guro@fb.com, hannes@cmpxchg.org, juri.lelli@redhat.com,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-kselftest@vger.kernel.org, lizefan.x@bytedance.com,
        mtosatti@redhat.com, pauld@redhat.com, peterz@infradead.org,
        shuah@kernel.org
Subject: Re: [PATCH] cgroup/cpuset: Make child cpusets restrict parents on v1
 hierarchy
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References: <8d73dc26-74e1-d763-d897-6e03cdac3c8c@redhat.com>
 <20211217154854.41409-1-mkoutny@suse.com>
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On Fri, Dec 17, 2021 at 04:48:54PM +0100, Michal Koutn? wrote:
> The commit 1f1562fcd04a ("cgroup/cpuset: Don't let child cpusets
> restrict parent in default hierarchy") inteded to relax the check only
> on the default hierarchy (or v2 mode) but it dropped the check in v1
> too.
> 
> This patch returns and separates the legacy-only validations so that
> they can be considered only in the v1 mode, which should enforce the old
> constraints for the sake of compatibility.
> 
> Fixes: 1f1562fcd04a ("cgroup/cpuset: Don't let child cpusets restrict parent in default hierarchy")
> Suggested-by: Waiman Long <longman@redhat.com>
> Signed-off-by: Michal Koutn? <mkoutny@suse.com>

Applied to cgroup/for-5.17-fixes.

Thanks.

-- 
tejun