From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [Workman-devel] cgroup: status-quo and userland efforts
Date: Fri, 28 Jun 2013 15:43:10 -0700
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To: Serge Hallyn <serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>
Cc: "Daniel P. Berrange" <berrange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Tim Hockin <thockin-Rl2oBbRerpQdnm+yROfE0A@public.gmane.org>, Mike Galbraith <bitbucket-BGeptl67XyCzQB+pC5nmwQ@public.gmane.org>, Containers <containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>, Kay Sievers <kay.sievers-tD+1rO4QERM@public.gmane.org>, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, lpoetter <lpoetter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>, "dhaval.giani" <dhaval.giani-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, workman-devel <workman-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On Fri, Jun 28, 2013 at 05:40:53PM -0500, Serge Hallyn wrote:
> > The kernel can exposed a knob that would allow systemd to lock that
> > down
> 
> Gah - why would you give him that idea?  :)

That's one of the ideas I had from the beginning.

> But yes, I'd sort of assume that was coming, eventually.

But I think we'll probably settle with a mechanism to find out whether
someone else is touching the hierarchy, which will be generally useful
for other consumers of cgroup too.

Thanks.

-- 
tejun