From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41502) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WzrfW-0006hS-63 for qemu-devel@nongnu.org; Wed, 25 Jun 2014 14:11:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WzrfO-00019A-JP for qemu-devel@nongnu.org; Wed, 25 Jun 2014 14:11:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53556) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WzrfO-00018r-BX for qemu-devel@nongnu.org; Wed, 25 Jun 2014 14:11:30 -0400 Date: Wed, 25 Jun 2014 21:11:55 +0300 From: "Michael S. Tsirkin" Message-ID: <20140625181155.GC16636@redhat.com> References: <20140625142704.GC15277@redhat.com> <7B7FFD16-82ED-4D0E-8B83-A6448DC9A344@cisco.com> <20140625152936.GB15720@redhat.com> <20140625155038.GG15720@redhat.com> <7760835F-C1F1-4023-960D-A70096465EBD@cisco.com> <122055914.32517283.1403714698790.JavaMail.zimbra@redhat.com> <53AB0144.8050305@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53AB0144.8050305@redhat.com> Subject: Re: [Qemu-devel] vhost-user: broken mem regions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel , Nikolay Nikolaev , "Damjan Marion (damarion)" On Wed, Jun 25, 2014 at 07:05:08PM +0200, Paolo Bonzini wrote: > Il 25/06/2014 18:56, Nikolay Nikolaev ha scritto: > >>> I understand now what you mean. Yeah, the format should be changed > >>> to include the offset (why does vhost-user need the ua at all? > >The vring addresses are QEMU UA addresses. Of course vhost-user can > >translate them to guest physical before sending the message. > > Yeah, that looks like a good idea. > > Paolo Is this is must? Seems too close to hard freeze to change the protocol ... Does vhost-user actually work if you use a UA outside guest memory? If not, ok, but maybe add some capability so this can be discovered during init. -- MST