From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1ND102-00055i-MF
	for qemu-devel@nongnu.org; Tue, 24 Nov 2009 14:24:30 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1ND0zy-0004zq-0n
	for qemu-devel@nongnu.org; Tue, 24 Nov 2009 14:24:30 -0500
Received: from [199.232.76.173] (port=55748 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1ND0zx-0004zT-QY
	for qemu-devel@nongnu.org; Tue, 24 Nov 2009 14:24:25 -0500
Received: from mail-bw0-f212.google.com ([209.85.218.212]:40750)
	by monty-python.gnu.org with esmtp (Exim 4.60)
	(envelope-from <anthony@codemonkey.ws>) id 1ND0zx-00063L-3K
	for qemu-devel@nongnu.org; Tue, 24 Nov 2009 14:24:25 -0500
Received: by bwz4 with SMTP id 4so8376537bwz.2
	for <qemu-devel@nongnu.org>; Tue, 24 Nov 2009 11:24:24 -0800 (PST)
Message-ID: <4B0C32E1.1020500@codemonkey.ws>
Date: Tue, 24 Nov 2009 13:24:17 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
MIME-Version: 1.0
Subject: Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs
	and other beasts
References: <4B0952C9.9010803@redhat.com>
	<200911241335.35334.paul@codesourcery.com>
	<20091124134910.GH2405@redhat.com>
	<200911241359.49321.paul@codesourcery.com>
	<20091124142152.GN2405@redhat.com>
	<f43fc5580911240906u730ff125y59a829943ff54211@mail.gmail.com>
	<20091124170809.GC3397@redhat.com> <4B0C1B46.90504@redhat.com>
	<4B0C2B40.4040803@codemonkey.ws>
	<f43fc5580911241056s1c3be3c6re45c543c3e1f610a@mail.gmail.com>
In-Reply-To: <f43fc5580911241056s1c3be3c6re45c543c3e1f610a@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
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.gnu.org/pipermail/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: Blue Swirl <blauwirbel@gmail.com>
Cc: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>, Paul Brook <paul@codesourcery.com>, "Michael S. Tsirkin" <mst@redhat.com>

Blue Swirl wrote:
> But the complexity would be a problem only for the transformation
> matrix project. For QEMU the gain would be simplified design, maybe at
> the expense of some CPP magic.
>   

I don't think it's always a matter of just transforming state.  There 
will be certain features that need to be enabled/disabled to ensure 
compatibility.  That certainly is information that has to live in qemu.

Regards,

Anthony Liguori