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From: Waiman Long <llong@redhat.com>
To: Tejun Heo <tj@kernel.org>, Waiman Long <llong@redhat.com>
Cc: 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>
Subject: Re: [PATCH v2 2/6] cgroup/cpuset: Clarify the use of invalid partition root
Date: Fri, 16 Jul 2021 17:28:58 -0400	[thread overview]
Message-ID: <4a804edc-17ec-d8fa-d8c1-273252ba0ee4@redhat.com> (raw)
In-Reply-To: <YPH3sF56gK71CxXY@mtj.duckdns.org>

On 7/16/21 5:18 PM, Tejun Heo wrote:
> Hello,
>
> On Fri, Jul 16, 2021 at 05:12:17PM -0400, Waiman Long wrote:
>> Are you suggesting that we add a cpuset.cpus.events file that allows
>> processes to be notified if an event (e.g. hotplug) that changes a partition
>> root to invalid partition happens or when explicit change to a partition
>> root fails? Will that be enough to satisfy your requirement?
> Yeah, something like that or make the current state file generate events on
> state transitions.


Sure. I will change the patch to make cpuset.cpus.partition generates 
event when its state change. Thanks for the suggestion. It definitely 
makes it better.

Cheers,
Longman


  reply	other threads:[~2021-07-16 21:29 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21 18:49 [PATCH v2 0/6] cgroup/cpuset: Add new cpuset partition type & empty effecitve cpus Waiman Long
2021-06-21 18:49 ` [PATCH v2 1/6] cgroup/cpuset: Miscellaneous code cleanup Waiman Long
2021-06-21 18:49 ` [PATCH v2 2/6] cgroup/cpuset: Clarify the use of invalid partition root Waiman Long
2021-06-26 10:53   ` Tejun Heo
2021-06-28 13:06     ` Waiman Long
2021-07-05 17:51       ` Tejun Heo
2021-07-16 18:44         ` Waiman Long
2021-07-16 18:59           ` Waiman Long
2021-07-16 20:08             ` Waiman Long
2021-07-16 20:46               ` Tejun Heo
2021-07-16 21:12                 ` Waiman Long
2021-07-16 21:18                   ` Tejun Heo
2021-07-16 21:28                     ` Waiman Long [this message]
2021-06-21 18:49 ` [PATCH v2 3/6] cgroup/cpuset: Add a new isolated cpus.partition type Waiman Long
2021-06-24 12:51   ` Michal Koutný
2021-06-24 15:23     ` Waiman Long
2021-06-21 18:49 ` [PATCH v2 4/6] cgroup/cpuset: Allow non-top parent partition root to distribute out all CPUs Waiman Long
2021-06-21 18:49 ` [PATCH v2 5/6] cgroup/cpuset: Update description of cpuset.cpus.partition in cgroup-v2.rst Waiman Long
2021-06-21 18:49 ` [PATCH v2 6/6] kselftest/cgroup: Add cpuset v2 partition root state test Waiman Long

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