From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38504) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VRMRN-0006NV-SM for qemu-devel@nongnu.org; Wed, 02 Oct 2013 09:26:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VRMRE-0005zo-I6 for qemu-devel@nongnu.org; Wed, 02 Oct 2013 09:26:09 -0400 Received: from mail-we0-x22c.google.com ([2a00:1450:400c:c03::22c]:41225) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VRMRE-0005zF-AV for qemu-devel@nongnu.org; Wed, 02 Oct 2013 09:26:00 -0400 Received: by mail-we0-f172.google.com with SMTP id w61so949265wes.31 for ; Wed, 02 Oct 2013 06:25:59 -0700 (PDT) Date: Wed, 2 Oct 2013 15:25:53 +0200 From: Stefan Hajnoczi Message-ID: <20131002132553.GA13357@stefanha-thinkpad.redhat.com> References: <29665682371164fd1e375842f5824b1de5648dde.1380643069.git.jcody@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <29665682371164fd1e375842f5824b1de5648dde.1380643069.git.jcody@redhat.com> Subject: Re: [Qemu-devel] [PATCH] block: vhdx - add migration blocker List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jeff Cody Cc: kwolf@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com On Tue, Oct 01, 2013 at 11:59:20AM -0400, Jeff Cody wrote: > This blocks migration for VHDX image files, until the > functionality can be supported. > > Signed-off-by: Jeff Cody > --- > block/vhdx.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) Strictly speaking live migration is safe since the format is read-only. The source machine will never write to the image, we don't need to worry about cache consistency. But given that your log reply and write patches are quite far along, let's just merge this now. We'll need it soon. Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan