From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MWEZ0-00012U-Gu for qemu-devel@nongnu.org; Wed, 29 Jul 2009 15:11:46 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MWEYx-0000zx-34 for qemu-devel@nongnu.org; Wed, 29 Jul 2009 15:11:46 -0400 Received: from [199.232.76.173] (port=40900 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MWEYw-0000zp-Mo for qemu-devel@nongnu.org; Wed, 29 Jul 2009 15:11:42 -0400 Received: from mx20.gnu.org ([199.232.41.8]:37643) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MWEYw-0001K6-NE for qemu-devel@nongnu.org; Wed, 29 Jul 2009 15:11:42 -0400 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MWEYv-0000Pv-Cg for qemu-devel@nongnu.org; Wed, 29 Jul 2009 15:11:41 -0400 From: Paul Brook Subject: Re: [Qemu-devel] [PATCH v2] make windows notice media change Date: Wed, 29 Jul 2009 20:11:38 +0100 References: <20090729120719.GN30449@redhat.com> <20090729135057.GY30449@redhat.com> <5b31733c0907290735u5dd86d86i293f34df4ce09d10@mail.gmail.com> In-Reply-To: <5b31733c0907290735u5dd86d86i293f34df4ce09d10@mail.gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200907292011.38879.paul@codesourcery.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Filip Navara , Gleb Natapov > Why shouldn't we support loading version 2 snapshots? Afterall that's > why we had the versioning in the first place. No it's not. Versioning was introduced to *prevent* loading old snapshots and crashing or ending up with inconsistent guest state. I'm still unconvinced that anything other than very short term backward compatibility is worthwhile or even viable. Paul