From: "Michal Koutný" <mkoutny@suse.com>
To: Tejun Heo <tj@kernel.org>
Cc: Waiman Long <longman@redhat.com>,
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>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Frederic Weisbecker <frederic@kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH v11 3/8] cgroup/cpuset: Allow no-task partition to have empty cpuset.cpus.effective
Date: Mon, 13 Jun 2022 16:02:06 +0200 [thread overview]
Message-ID: <20220613140206.GA6910@blackbody.suse.cz> (raw)
In-Reply-To: <YqanEZZooeZwtutA@slm.duckdns.org>
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On Sun, Jun 12, 2022 at 04:55:13PM -1000, Tejun Heo <tj@kernel.org> wrote:
> But how would that happen? A lot of other things would break too if that
> were to happen.
cpuset is a threaded controller where the internal-node-constraint does
not hold. So the additional condition for cpuset migrations is IMO
warranted (and needed if there's no "fall up").
Michal
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next prev parent reply other threads:[~2022-06-13 16:10 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-10 15:34 [PATCH v11 0/8] cgroup/cpuset: cpu partition code enhancements Waiman Long
2022-05-10 15:34 ` [PATCH v11 1/8] cgroup/cpuset: Add top_cpuset check in update_tasks_cpumask() Waiman Long
2022-05-10 15:34 ` [PATCH v11 2/8] cgroup/cpuset: Miscellaneous cleanups & add helper functions Waiman Long
2022-05-10 15:34 ` [PATCH v11 3/8] cgroup/cpuset: Allow no-task partition to have empty cpuset.cpus.effective Waiman Long
2022-06-12 17:40 ` Tejun Heo
2022-06-12 17:41 ` Tejun Heo
2022-06-13 2:53 ` Waiman Long
2022-06-13 2:55 ` Tejun Heo
2022-06-13 3:04 ` Waiman Long
2022-06-13 14:02 ` Michal Koutný [this message]
2022-06-13 16:47 ` Waiman Long
2022-06-13 17:23 ` Tejun Heo
2022-06-13 2:50 ` Waiman Long
2022-05-10 15:34 ` [PATCH v11 4/8] cgroup/cpuset: Relax constraints to partition & cpus changes Waiman Long
2022-05-10 15:34 ` [PATCH v11 5/8] cgroup/cpuset: Add a new isolated cpus.partition type Waiman Long
2022-05-10 15:34 ` [PATCH v11 6/8] cgroup/cpuset: Show invalid partition reason string Waiman Long
2022-05-10 15:34 ` [PATCH v11 7/8] cgroup/cpuset: Update description of cpuset.cpus.partition in cgroup-v2.rst Waiman Long
2022-06-12 17:49 ` Tejun Heo
2022-06-13 3:02 ` Waiman Long
2022-06-13 3:12 ` Tejun Heo
2022-06-13 13:18 ` Waiman Long
2022-06-13 17:06 ` Waiman Long
2022-06-13 14:24 ` Michal Koutný
2022-06-13 17:28 ` Tejun Heo
2022-06-13 17:55 ` Michal Koutný
2022-06-13 18:00 ` Tejun Heo
2022-06-14 11:53 ` Michal Koutný
2022-06-27 19:10 ` Tejun Heo
2022-06-30 14:32 ` Michal Koutný
2022-06-30 22:53 ` Tejun Heo
2022-05-10 15:34 ` [PATCH v11 8/8] kselftest/cgroup: Add cpuset v2 partition root state test Waiman Long
2022-05-21 10:24 ` Muhammad Usama Anjum
2022-05-22 2:40 ` Waiman Long
2022-05-20 16:00 ` [PATCH v11 0/8] cgroup/cpuset: cpu partition code enhancements Sebastian Andrzej Siewior
2022-05-20 16:46 ` Waiman Long
2022-05-24 16:48 ` Sebastian Andrzej Siewior
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