From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755000AbcH3PAR (ORCPT ); Tue, 30 Aug 2016 11:00:17 -0400 Received: from smtp.citrix.com ([66.165.176.89]:58549 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752717AbcH3PAO (ORCPT ); Tue, 30 Aug 2016 11:00:14 -0400 X-IronPort-AV: E=Sophos;i="5.30,257,1470700800"; d="scan'208";a="375254167" Subject: Re: [Xen-devel] [PATCH] xenbus: Use proc_create_mount_point() to create /proc/xen To: Seth Forshee , "Eric W. Biederman" , Boris Ostrovsky , "David Vrabel" , Juergen Gross References: <1472483029-135090-1-git-send-email-seth.forshee@canonical.com> CC: , From: David Vrabel Message-ID: <57C59F73.5060503@citrix.com> Date: Tue, 30 Aug 2016 16:00:03 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.5.0 MIME-Version: 1.0 In-Reply-To: <1472483029-135090-1-git-send-email-seth.forshee@canonical.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29/08/16 16:03, Seth Forshee wrote: > Mounting proc in user namespace containers fails if the xenbus > filesystem is mounted on /proc/xen because this directory fails > the "permanently empty" test. proc_create_mount_point() exists > specifically to create such mountpoints in proc but is currently > proc-internal. Export this interface to modules, then use it in > xenbus when creating /proc/xen. Acked-by: David Vrabel This either needs to be acked by the fs maintainer or go via their tree but you don't appear to have Cc'd the relevant people or lists. David