From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:34436) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UNkQl-0003ms-VD for qemu-devel@nongnu.org; Thu, 04 Apr 2013 09:42:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UNkQe-0000kA-RS for qemu-devel@nongnu.org; Thu, 04 Apr 2013 09:42:19 -0400 Received: from mail-qa0-f46.google.com ([209.85.216.46]:46655) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UNkQe-0000k6-Mz for qemu-devel@nongnu.org; Thu, 04 Apr 2013 09:42:12 -0400 Received: by mail-qa0-f46.google.com with SMTP id k4so2603350qaq.12 for ; Thu, 04 Apr 2013 06:42:12 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <515D832E.6040603@redhat.com> Date: Thu, 04 Apr 2013 15:42:06 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20130402153328.GA4300@irqsave.net> <87ppycdbtu.fsf@linux.vnet.ibm.com> <20130402193316.GA4308@irqsave.net> <87fvz8cedy.fsf@linux.vnet.ibm.com> <20130404123738.GD4250@irqsave.net> In-Reply-To: <20130404123738.GD4250@irqsave.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] Virtio 9p live migration patches List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?ISO-8859-1?Q?Beno=EEt_Canet?= Cc: "Aneesh Kumar K.V" , qemu-devel@nongnu.org Il 04/04/2013 14:37, Benoît Canet ha scritto: > We also need to ensure new 9p request are blocked. Migration runs with the VM paused. It would be simplest to flush all the requests before migrating, that's what the block layer does. (The migration of requests we have in virtio-blk, scsi-disk etc. is only for rerror/werror=stop; it is not invoked in the common case). Paolo