From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 05/11] qemu: MSI-X support functions
Date: Wed, 10 Jun 2009 20:04:13 +0100
Message-ID: <200906102004.17905.paul@codesourcery.com>
References: <cover.1243253205.git.mst@redhat.com> <200906101830.21537.paul@codesourcery.com> <20090610180756.GM28601@redhat.com>
Mime-Version: 1.0
Content-Type: Text/Plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Cc: qemu-devel@nongnu.org, Carsten Otte <cotte@de.ibm.com>,
	kvm@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>,
	virtualization@lists.linux-foundation.org,
	Blue Swirl <blauwirbel@gmail.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Avi Kivity <avi@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mail.codesourcery.com ([65.74.133.4]:50088 "EHLO
	mail.codesourcery.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1754395AbZFJTER (ORCPT <rfc822;kvm@vger.kernel.org>);
	Wed, 10 Jun 2009 15:04:17 -0400
In-Reply-To: <20090610180756.GM28601@redhat.com>
Content-Disposition: inline
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

> > If we can't start a new qemu with the same hardware configuration then we
> > should not be allowing migration or loading of snapshots.
>
> OK, so I'll add an option in virtio-net to disable msi-x, and such
> an option will be added in any device with msi-x support.
> Will that address your concern?

Yes, as long as migration fails when you try to migrate to the wrong kind of 
device.

Paul