From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Helsley <matthltc@us.ibm.com>
Subject: Re: [patch 2/2] fs, proc: Introduce the /proc/<pid>/map_files/
 directory v6
Date: Thu, 1 Sep 2011 17:09:58 -0700
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To: Pavel Emelyanov <xemul@parallels.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Cyrill Gorcunov <gorcunov@gmail.com>, "Kirill A. Shutemov" <kirill@shutemov.name>, Vasiliy Kulikov <segoon@openwall.com>, "containers@lists.osdl.org" <containers@lists.osdl.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>, Nathan Lynch <ntl@pobox.com>, Oren Laadan <orenl@cs.columbia.edu>, Daniel Lezcano <dlezcano@fr.ibm.com>, Glauber Costa <glommer@parallels.com>, James Bottomley <jbottomley@parallels.com>, Serge Hallyn <serge@hallyn.com>, Tejun Heo <tj@kernel.org>, Alexey Dobriyan <adobriyan@gmail.com>, Al Viro <viro@ZenIV.linux.org.uk>
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On Thu, Sep 01, 2011 at 11:58:29AM +0400, Pavel Emelyanov wrote:
> > What additional kernel patches are required to bring that effort to a
> > usable state and where are those patches?
> 
> * The one you've already accepted with ->statfs for pipefs.
> * PTRACE_SEIZE set from Tejun (RFC was sent some time earlier)
> * CLONE_USEPID flag for the clone() syscall (Cyrill will re-send a bit later)

Is that the last CLONE_ flag? Does it fully support nesting of pid namespaces?

What happened to the idea of using the existing eclone patches instead?

Cheers,
	-Matt Helsley