From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Williamson <alex.williamson@redhat.com>
Subject: Re: VT-d regression issue
Date: Fri, 30 Jul 2010 13:46:00 -0600
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Cc: "Hao, Xudong" <xudong.hao@intel.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>
To: Gleb Natapov <gleb@redhat.com>
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On Thu, 2010-07-22 at 16:03 +0300, Gleb Natapov wrote:
> On Thu, Jul 22, 2010 at 08:32:31PM +0800, Hao, Xudong wrote:
> > Well, this patch works fine for me.
> > 
> Looks like userspace problem then. Userspace relied on something that
> was not guarantied by the kernel (access to read only page forwarded to
> userspace as MMOI).

I just submitted a set of patches that should fix this using the slow
mapping path for option ROMs.  Thanks,

Alex