From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:38284) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QofVA-0007sd-5y for qemu-devel@nongnu.org; Wed, 03 Aug 2011 13:45:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QofV8-00081S-KE for qemu-devel@nongnu.org; Wed, 03 Aug 2011 13:45:04 -0400 Received: from mail-yw0-f45.google.com ([209.85.213.45]:38295) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QofV8-00081J-Do for qemu-devel@nongnu.org; Wed, 03 Aug 2011 13:45:02 -0400 Received: by ywb3 with SMTP id 3so715794ywb.4 for ; Wed, 03 Aug 2011 10:45:01 -0700 (PDT) Message-ID: <4E398919.80900@codemonkey.ws> Date: Wed, 03 Aug 2011 12:44:57 -0500 From: Anthony Liguori MIME-Version: 1.0 References: <1312326516-10117-1-git-send-email-aliguori@us.ibm.com> <4E389258.6040007@us.ibm.com> <4E38EE6B.80700@redhat.com> In-Reply-To: <4E38EE6B.80700@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] migration: remove subsections in fdc and rtl8139 and bump versions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org, quintela@redhat.com On 08/03/2011 01:44 AM, Paolo Bonzini wrote: > On 08/03/2011 02:12 AM, Anthony Liguori wrote: >> Paolo's proposed changes make newer QEMUs use a new protocol. It's >> still possible to read the older protocol. This means that you can't >> migrate new to old, but can migrate old to new. > > Not really true, with my series you can migrate new to old if you use > pc-0.xx as the machine on the source too. But that is dangerous, no? It suffers from the same problem with subsections. Regards, Anthony Liguori > Paolo >