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From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Waiman Long <llong-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Zefan Li <lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>,
	Shuah Khan <shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kselftest-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Roman Gushchin <guro-b10kYP2dOMg@public.gmane.org>,
	Phil Auld <pauld-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Juri Lelli <juri.lelli-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v2 2/6] cgroup/cpuset: Clarify the use of invalid partition root
Date: Fri, 16 Jul 2021 11:18:40 -1000	[thread overview]
Message-ID: <YPH3sF56gK71CxXY@mtj.duckdns.org> (raw)
In-Reply-To: <e8c538a8-bf5c-b04c-1b21-ac22cd158dd1-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

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.

Thanks.

-- 
tejun

  parent reply	other threads:[~2021-07-16 21:18 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
     [not found] ` <20210621184924.27493-1-longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2021-06-21 18:49   ` [PATCH v2 1/6] cgroup/cpuset: Miscellaneous code cleanup Waiman Long
2021-06-21 18:49   ` [PATCH v2 3/6] cgroup/cpuset: Add a new isolated cpus.partition type Waiman Long
     [not found]     ` <20210621184924.27493-4-longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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 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
     [not found]         ` <YONGk3iw/zrNzwLK-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2021-07-16 18:44           ` Waiman Long
     [not found]             ` <c6ae2d9b-ad6e-9bbd-b25c-f52b0ff6fb9b-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2021-07-16 18:59               ` Waiman Long
     [not found]                 ` <1bb119a1-d94a-6707-beac-e3ae5c03fae5-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2021-07-16 20:08                   ` Waiman Long
2021-07-16 20:46                     ` Tejun Heo
     [not found]                       ` <YPHwG61qGDa3h6Wg-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2021-07-16 21:12                         ` Waiman Long
     [not found]                           ` <e8c538a8-bf5c-b04c-1b21-ac22cd158dd1-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2021-07-16 21:18                             ` Tejun Heo [this message]
     [not found]                               ` <YPH3sF56gK71CxXY-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2021-07-16 21:28                                 ` 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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