From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32937) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WiXQQ-0006Gf-9i for qemu-devel@nongnu.org; Thu, 08 May 2014 19:08:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WiXQH-0006yg-8o for qemu-devel@nongnu.org; Thu, 08 May 2014 19:08:26 -0400 Received: from mx-v6.kamp.de ([2a02:248:0:51::16]:44647 helo=mx01.kamp.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WiXQG-0006xh-TO for qemu-devel@nongnu.org; Thu, 08 May 2014 19:08:17 -0400 Message-ID: <536C0E5A.2030703@kamp.de> Date: Fri, 09 May 2014 01:08:10 +0200 From: Peter Lieven MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Question about RAM migration flags List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "qemu-devel@nongnu.org" Cc: Orit Wasserman , quintela@redhat.com, Stefan Hajnoczi , Paolo Bonzini Hi, while working on ram migration and reading through the code I realized that qemu does not stop loading a saved VM or rejecting an incoming migration if there is a flag in the stream that it does not understand. An unknown flag is simply ignored. In the block migration code there is a catch at the end complaining about unknown flags, but in RAM migration there isn't. Is this on purpose or an error? Peter