From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:53914) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z57DP-0000VK-F3 for qemu-devel@nongnu.org; Wed, 17 Jun 2015 02:52:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z57DJ-0008FQ-SA for qemu-devel@nongnu.org; Wed, 17 Jun 2015 02:52:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36387) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z57DJ-0008FK-Nq for qemu-devel@nongnu.org; Wed, 17 Jun 2015 02:52:45 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 265BE373BFB for ; Wed, 17 Jun 2015 06:52:45 +0000 (UTC) From: Markus Armbruster References: <1434480849-23093-1-git-send-email-dgilbert@redhat.com> Date: Wed, 17 Jun 2015 08:52:42 +0200 In-Reply-To: <1434480849-23093-1-git-send-email-dgilbert@redhat.com> (David Alan Gilbert's message of "Tue, 16 Jun 2015 19:54:09 +0100") Message-ID: <87a8vyj079.fsf@blackfin.pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Qemu-devel] [PATCH] Migration compatibility for serial List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Dr. David Alan Gilbert (git)" Cc: amit.shah@redhat.com, pbonzini@redhat.com, mst@redhat.com, qemu-devel@nongnu.org, quintela@redhat.com "Dr. David Alan Gilbert (git)" writes: > From: "Dr. David Alan Gilbert" > > Older QEMUs dont understand the new (sub)sections that > may be generated in the serial device. Limit their generation > to newer machine types. Please explain briefly what state migration can lose with old machine types, and how this could impact the guest. The commits adding the subsections should have the information[*]. Pointers to them might suffice. [*] Should != do; I didn't check.