Date: Wed, 25 Nov 2015 14:57:05 -0500
From: Tejun Heo <tj@kernel.org>
To: Serge Hallyn <serge.hallyn@ubuntu.com>
Cc: linux-api@vger.kernel.org, containers@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org, ebiederm@xmission.com,
        lxc-devel@lists.linuxcontainers.org, cgroups@vger.kernel.org,
        akpm@linux-foundation.org
Subject: Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init
 cgroupns
Message-ID: <20151125195705.GE14240@htj.duckdns.org>
References: <1447703505-29672-1-git-send-email-serge@hallyn.com>
 <1447703505-29672-8-git-send-email-serge@hallyn.com>
 <20151124171610.GS17033@mtj.duckdns.org>
 <20151125060156.GA678@mail.hallyn.com>
 <20151125191041.GB14240@htj.duckdns.org>
 <20151125195553.GA5852@ubuntumail>
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On Wed, Nov 25, 2015 at 07:55:53PM +0000, Serge Hallyn wrote:
> Quoting Tejun Heo (tj@kernel.org):
> > Hello, Serge.
> > 
> > On Wed, Nov 25, 2015 at 12:01:56AM -0600, Serge E. Hallyn wrote:
> > > that was my goal with https://git.kernel.org/cgit/linux/kernel/git/sergeh/linux-security.git/commit/?h=cgroupns.v4&id=8eb75d2bb24df59e262f050dce567d2332adc5f3
> > > (which was sent inline earlier in this thread in response to Eric)  Does
> > > that look sufficient?
> > 
> > Hmmm... but that wouldn't work with non-root and user ns.  I think
> 
> Are you sure?  IIUC that code block is only hit when we didn't find
> an already-mounted subsystem.

Heh, you're right.  This should work.

Thanks.

-- 
tejun
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