From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH][MIPS][7/7] AR7: ethernet
Date: Thu, 6 Sep 2007 17:41:02 -0700
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Cc: linux-mips@linux-mips.org, ejka@imfi.kspu.ru, jgarzik@pobox.com,
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To: Matteo Croce <technoboy85@gmail.com>
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> On Fri, 7 Sep 2007 01:21:41 +0200 Matteo Croce <technoboy85@gmail.com> wrote:
> > The patch introduces vast number of volatile structure fields.  Please see
> > Documentation/volatile-considered-harmful.txt.
> 
> Removing them and the kernel hangs at module load

They can't just be removed.  Please see the document.  There are I/O APIs
which, if properly used, make volatile unneeded.