From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: KVM call minutes 2013-01-29 - Port I/O
Date: Thu, 31 Jan 2013 10:02:07 +1100
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Cc: KVM devel mailing list <kvm@vger.kernel.org>,
	Juan Quintela <quintela@redhat.com>, qemu-devel <qemu-devel@nongnu.org>,
	Alexander Graf <agraf@suse.de>, Alon Levy <alevy@redhat.com>,
	qemu-ppc <qemu-ppc@nongnu.org>, Gerd Hoffmann <kraxel@redhat.com>,
	Anthony Liguori <anthony@codemonkey.ws>,
	=?ISO-8859-1?Q?Herv=E9?= Poussineau <hpoussin@reactos.org>,
	Andreas =?ISO-8859-1?Q?F=E4rber?= <afaerber@suse.de>,
	David Gibson <david@gibson.dropbear.id.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
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On Thu, 2013-01-31 at 00:49 +0200, Michael S. Tsirkin wrote:
> > In practice they do (VGA at least)
> > 
> > >From a SW modelling standpoint, I don't think it's worth
> differentiating
> > PCI and PCIE.
> > 
> > Cheers,
> > Ben.
> 
> Interesting.
> Do you have such hardware? Could you please dump
> the output of lspci -vv?

Any ATI or nVidia card still supports hard decoding of VGA regions for
the sake of legacy operating systems and BIOSes :-) I don't know about
Intel but I suppose it's the same.

Cheers,
Ben.