From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=52219 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1PKRaM-00024M-T7
	for qemu-devel@nongnu.org; Mon, 22 Nov 2010 03:17:15 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <mst@redhat.com>) id 1PKRaL-0002Ns-0s
	for qemu-devel@nongnu.org; Mon, 22 Nov 2010 03:17:14 -0500
Received: from mx1.redhat.com ([209.132.183.28]:17874)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <mst@redhat.com>) id 1PKRaK-0002NV-NU
	for qemu-devel@nongnu.org; Mon, 22 Nov 2010 03:17:12 -0500
Date: Mon, 22 Nov 2010 10:16:57 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH] PCI: Bus number from the bridge, not
	the device
Message-ID: <20101122081657.GA11010@redhat.com>
References: <20101121095018.GA19477@redhat.com>
	<20101121101903.GC7948@redhat.com>
	<20101121115326.GB19477@redhat.com>
	<20101121125014.GD7948@redhat.com>
	<20101121144844.GA21647@redhat.com>
	<20101121160110.GE7948@redhat.com>
	<20101121182203.GB26701@redhat.com>
	<20101121192959.GA13157@redhat.com>
	<20101121203931.GA29831@redhat.com>
	<20101122073707.GF7948@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20101122073707.GF7948@redhat.com>
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/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: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Gleb Natapov <gleb@redhat.com>
Cc: Isaku Yamahata <yamahata@valinux.co.jp>, Alex Williamson <alex.williamson@redhat.com>, Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org

On Mon, Nov 22, 2010 at 09:37:07AM +0200, Gleb Natapov wrote:
> > > > It's probably required to make them stable anyway.
> > > > 
> > > Why?
> > 
> > To avoid bus renumbering on reboot after you add a pci-to-pci bridge.
> > 
> Why should qemu care?

Stable bus numbering is a feature *users* care about, because
some Guest OSes get confused when a card gets moved to another
bus.

> --
> 			Gleb.