cgroups.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Cc: Neil Horman <nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
	"Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
	containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
	Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
	"Aneesh Kumar K.V"
	<aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	Arnaldo Carvalho de Melo
	<acme-f8uhVLnGfZaxAyOMLChx1axOck334EZe@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Thomas Graf <tgraf-G/eBtMaohhA@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Paul Turner <pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them
Date: Wed, 12 Sep 2012 09:34:33 -0700	[thread overview]
Message-ID: <20120912163433.GL7677@google.com> (raw)
In-Reply-To: <505057D8.4010908-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>

Hello,

On Wed, Sep 12, 2012 at 01:37:28PM +0400, Glauber Costa wrote:
> "If a cpuset is cpu or mem exclusive, no other cpuset, other than
> a direct ancestor or descendant, may share any of the same CPUs or
> Memory Nodes."
> 
> So I think it tricked me as well. I was under the impression that
> "exclusive" would also disallow the kids.

You two are confusing me even more.  AFAICS, the hierarchical
properties don't seem to change whether exclusive is set or not.  It
still ensures children can't have something parent doesn't allow and
exclusive applies to whether to share something with siblings, so I
don't think anything is broken hierarchy-wise.  Am I missing
something?  If so, please be explicit and elaborate where and how it's
broken.

Thanks.

-- 
tejun

  parent reply	other threads:[~2012-09-12 16:34 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20120910223125.GC7677@google.com>
     [not found] ` <20120910223125.GC7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-10 22:33   ` [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them Tejun Heo
     [not found]     ` <20120910223355.GD7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 10:04       ` Michal Hocko
     [not found]         ` <20120911100433.GC8058-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-11 17:07           ` Tejun Heo
     [not found]             ` <20120911170746.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-12 15:47               ` Michal Hocko
     [not found]                 ` <20120912154745.GV21579-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-12 16:41                   ` Tejun Heo
2012-09-12  9:31           ` Glauber Costa
     [not found]             ` <5050568B.9090601-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-12 15:49               ` Michal Hocko
     [not found]                 ` <20120912154907.GW21579-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-12 17:11                   ` Tejun Heo
     [not found]                     ` <20120912171120.GP7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 12:01                       ` Glauber Costa
     [not found]                         ` <5051CB24.4010801-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-13 17:21                           ` Tejun Heo
2012-09-13 12:14                       ` Michal Hocko
     [not found]                         ` <20120913121438.GC8055-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-13 17:18                           ` Tejun Heo
     [not found]                             ` <20120913171832.GY7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 17:39                               ` Michal Hocko
     [not found]                                 ` <20120913173958.GA21381-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-14  8:19                                   ` Glauber Costa
     [not found]                                     ` <5052E87A.1050405-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-14 19:15                                       ` Tejun Heo
     [not found]                                         ` <20120914191509.GN17747-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-17  9:11                                           ` Glauber Costa
2012-09-11 12:38       ` Li Zefan
     [not found]         ` <504F30DB.60808-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2012-09-11 17:08           ` Tejun Heo
     [not found]             ` <20120911170837.GM7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 17:43               ` Tejun Heo
     [not found]                 ` <20120911174319.GO7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-12  9:37                   ` Glauber Costa
     [not found]                     ` <505057D8.4010908-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-12 16:34                       ` Tejun Heo [this message]
     [not found]                         ` <20120912163433.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13  6:48                           ` Li Zefan
2012-09-12  9:34           ` Glauber Costa
2012-09-11 18:23       ` [PATCH UPDATED " Tejun Heo
     [not found]         ` <20120911182356.GR7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:50           ` Aristeu Rozanski
     [not found]             ` <20120911205027.GA25837-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:51               ` Tejun Heo
2012-09-13 12:16       ` [PATCH REPOST " Daniel P. Berrange
     [not found]         ` <20120913121629.GL7767-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-13 17:52           ` Tejun Heo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120912163433.GL7677@google.com \
    --to=tj-dgejt+ai2ygdnm+yrofe0a@public.gmane.org \
    --cc=acme-f8uhVLnGfZaxAyOMLChx1axOck334EZe@public.gmane.org \
    --cc=aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org \
    --cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
    --cc=glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org \
    --cc=hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=mhocko-AlSwsSmVLrQ@public.gmane.org \
    --cc=mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org \
    --cc=paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org \
    --cc=pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
    --cc=serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org \
    --cc=tgraf-G/eBtMaohhA@public.gmane.org \
    --cc=vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).