From: ebiederm@xmission.com (Eric W. Biederman)
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
       Andrew Morton <akpm@linux-foundation.org>,
       Trond Myklebust <trond.myklebust@fys.uio.no>, gnome42@gmail.com,
       linux-kernel@vger.kernel.org, bfields@fieldses.org,
       "Denis V. Lunev" <den@openvz.org>
Subject: Re: 2.6.24-rc3-git4 NFS crossmnt regression
In-Reply-To: <20071208000043.GC1951@martell.zuzino.mipt.ru> (Alexey Dobriyan's
	message of "Sat, 8 Dec 2007 03:00:43 +0300")
References: <fa4052ef0712062045o743a2666u3562a3569c1aa989@mail.gmail.com>
	<1197067918.10831.13.camel@heimdal.trondhjem.org>
	<20071207151444.af5d8e11.akpm@linux-foundation.org>
	<200712080043.29292.rjw@sisk.pl>
	<20071208000043.GC1951@martell.zuzino.mipt.ru>
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Date: Fri, 07 Dec 2007 21:39:19 -0700
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Alexey Dobriyan <adobriyan@gmail.com> writes:

> I very much agree. ->shadow_proc is so ugly, so it's not funny anymore.
> Adding such hook for proc part of networking _and_ for modules is just asking
> for trouble as was demonstrated.

Alexey however we do this we fundamentally have to proc_lookup, if
we don't want weird artifacts showing up in user space.

To me the implementation details don't much matter, as long as we
somehow get proc_lookup to do the right thing.

Eric
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