From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40228) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eqxK0-0001Sb-Bo for qemu-devel@nongnu.org; Wed, 28 Feb 2018 03:42:45 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eqxJx-0005Xq-87 for qemu-devel@nongnu.org; Wed, 28 Feb 2018 03:42:44 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:58644 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eqxJx-0005Xd-3W for qemu-devel@nongnu.org; Wed, 28 Feb 2018 03:42:41 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9102140FB647 for ; Wed, 28 Feb 2018 08:42:40 +0000 (UTC) Date: Wed, 28 Feb 2018 16:42:34 +0800 From: Peter Xu Message-ID: <20180228084234.GA27381@xz-mi> References: <20180216131625.9639-1-dgilbert@redhat.com> <20180216131625.9639-12-dgilbert@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20180216131625.9639-12-dgilbert@redhat.com> Subject: Re: [Qemu-devel] [PATCH v3 11/29] vhost+postcopy: Transmit 'listen' to client List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Dr. David Alan Gilbert (git)" Cc: qemu-devel@nongnu.org, maxime.coquelin@redhat.com, marcandre.lureau@redhat.com, imammedo@redhat.com, mst@redhat.com, quintela@redhat.com, aarcange@redhat.com On Fri, Feb 16, 2018 at 01:16:07PM +0000, Dr. David Alan Gilbert (git) wrote: [...] > typedef struct VuVirtqElement { > diff --git a/docs/interop/vhost-user.txt b/docs/interop/vhost-user.txt > index 621543e654..bdec9ec0e8 100644 > --- a/docs/interop/vhost-user.txt > +++ b/docs/interop/vhost-user.txt > @@ -682,6 +682,12 @@ Master message types > the slave must open a userfaultfd for later use. > Note that at this stage the migration is still in precopy mode. > > + * VHOST_USER_POSTCOPY_LISTEN > + Id: 27 > + Master payload: N/A > + > + Master advises slave that a transition to postcopy mode has happened. Could we add something to explain why this listen needs to be broadcasted to clients? Since I failed to find it out quickly myself. :( -- Peter Xu