linux-kernel - Re: [lxc-devel] CGroup Namespaces (v10)

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Message-ID: <20160215211705.GQ3965@htj.duckdns.org>
Date:	Mon, 15 Feb 2016 16:17:05 -0500
From:	Tejun Heo <tj@...nel.org>
To:	"Serge E. Hallyn" <serge@...lyn.com>
Cc:	Alban Crequy <alban.crequy@...il.com>,
	LXC development mailing-list 
	<lxc-devel@...ts.linuxcontainers.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Aditya Kali <adityakali@...gle.com>,
	Linux API <linux-api@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	gregkh@...uxfoundation.org, cgroups@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [lxc-devel] CGroup Namespaces (v10)

On Fri, Feb 12, 2016 at 05:22:21PM -0600, Serge E. Hallyn wrote:
> On Fri, Feb 12, 2016 at 11:09:06AM -0500, Tejun Heo wrote:
> > Hello,
> > 
> > On Fri, Feb 12, 2016 at 12:18:28AM +0100, Alban Crequy wrote:
> > > I just noticed commit c38c4597e4bf ("netfilter: implement xt_cgroup
> > > cgroup2 path match") which, as far as I understand, introduces a new
> > > userland facing API containing the full cgroup path. Does it mean that
> > > the cgroupns patchset should include cgroup path translation in
> > > xt_cgroup?
> > 
> > I don't think so.  None of netfilter configuration is namespaced in
> > any way.  They're system-global by nature.
> 
> I assume at some point you'll want the set ported onto for-4.6 or
> linux-next?  My 2016-02-03/cgns set still cherrypick cleanly onto
> for-4.6 at the moment, but I haven't tried linux-next, and I haven't
> done build+test since 4.5-rc1 came out.

I'm getting the following on top of the current for-4.6.  Can you
please look into it?

[kernel/cgroup.c:219:13: error: ‘cgroupns_operations’ undeclared here (not in a function)
  .ns.ops  = &cgroupns_operations,
               ^

Thanks.

-- 
tejun