From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([208.118.235.92]:57398)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <benh@kernel.crashing.org>) id 1SuCiY-0003MV-Qe
	for qemu-devel@nongnu.org; Wed, 25 Jul 2012 21:18:19 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <benh@kernel.crashing.org>) id 1SuCiY-0000PM-1H
	for qemu-devel@nongnu.org; Wed, 25 Jul 2012 21:18:18 -0400
Received: from gate.crashing.org ([63.228.1.57]:60465)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <benh@kernel.crashing.org>) id 1SuCiX-0000PH-Oc
	for qemu-devel@nongnu.org; Wed, 25 Jul 2012 21:18:17 -0400
Message-ID: <1343265490.6986.1.camel@pasglop>
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 26 Jul 2012 11:18:10 +1000
In-Reply-To: <87boj3wcpj.fsf@codemonkey.ws>
References: <1343188660.3715.41.camel@pasglop> <500FC9F8.6010002@redhat.com>
	<1343213618.3715.48.camel@pasglop> <500FEB07.5010009@redhat.com>
	<1343223712.3715.50.camel@pasglop> <500FFBA7.80700@redhat.com>
	<1343253711.3715.52.camel@pasglop> <1343262144.6986.0.camel@pasglop>
	<87boj3wcpj.fsf@codemonkey.ws>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Mime-Version: 1.0
Subject: Re: [Qemu-devel] vga-pci and MMIO BAR
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Avi Kivity <avi@redhat.com>, qemu-devel@nongnu.org

On Wed, 2012-07-25 at 20:08 -0500, Anthony Liguori wrote:
> 
> For the benefit of the list, Ben didn't know that we could just add a
> qdev property to control whether the MMIO BAR was visible making it
> just
> a tiny bit of global magic in the old PC machine models.
> 
> PPC still doesn't do versioning of machine models.  Ya'll probably
> should spend some time looking at what's done for the PC machine types
> and start doing the same for spapr.

For macs, we probably want to have a big overhaul/cleanup day, and just
make them look closer to a real piece of HW, no need to version them. I
want to make a proper G5 model one of these days.

For spapr, it does make some amount of sense to version it, I'll talk to
David about it.

Cheers,
Ben.