linux-kernel - Re: [Xen-devel] [PATCH] xenbus: Use proc_create_mount

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Date:   Tue, 30 Aug 2016 16:00:03 +0100
From:   David Vrabel <david.vrabel@...rix.com>
To:     Seth Forshee <seth.forshee@...onical.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        "David Vrabel" <david.vrabel@...rix.com>,
        Juergen Gross <jgross@...e.com>
CC:     <linux-kernel@...r.kernel.org>, <xen-devel@...ts.xenproject.org>
Subject: Re: [Xen-devel] [PATCH] xenbus: Use proc_create_mount_point() to
 create /proc/xen

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 <david.vrabel@...rix.com>

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