Sender: Tejun Heo <htejun@gmail.com>
Date:   Wed, 12 Jan 2022 11:23:39 -1000
From:   Tejun Heo <tj@kernel.org>
To:     Waiman Long <longman@redhat.com>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Zefan Li <lizefan.x@bytedance.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Shuah Khan <shuah@kernel.org>, cgroups@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
        linux-kselftest@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Roman Gushchin <guro@fb.com>, Phil Auld <pauld@redhat.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Frederic Weisbecker <frederic@kernel.org>,
        Marcelo Tosatti <mtosatti@redhat.com>,
        Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>
Subject: Re: [PATCH v9 4/7] cgroup/cpuset: Add a new isolated cpus.partition
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On Wed, Jan 12, 2022 at 10:40:01AM -0500, Waiman Long wrote:
> Yes, that is a possible workaround. However, it makes cgroup management much
> harder especially in the cgroup v2 environment where multiple controllers
> are likely to be enabled in the same cgroup.

In most cases, cgroup2 shouldn't be a problem here given that controllers
can be enabled selectively and this 1-cpu cgroups will most likely be
leaves. But yeah, not super convenient.

Thanks.

-- 
tejun