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Tsirkin" To: Stefan Hajnoczi Cc: Hanna Czenczek , Stefan Hajnoczi , virtio-fs-list , "qemu-devel@nongnu.org" , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Eugenio =?iso-8859-1?Q?P=E9rez?= , Jason Wang , Dave Gilbert , Juan Quintela Subject: Re: vhost-user (virtio-fs) migration: back end state Message-ID: <20230208093358-mutt-send-email-mst@kernel.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, Feb 08, 2023 at 09:32:05AM -0500, Stefan Hajnoczi wrote: > On Tue, 7 Feb 2023 at 07:29, Stefan Hajnoczi wrote: > > On Tue, 7 Feb 2023 at 04:08, Hanna Czenczek wrote: > > > On 06.02.23 17:27, Stefan Hajnoczi wrote: > > > > On Mon, 6 Feb 2023 at 07:36, Hanna Czenczek wrote: > > > > Should we schedule a call with Jason, Michael, Juan, David, etc to > > > > discuss further? That way there's less chance of spending weeks > > > > working on something only to be asked to change the approach later. > > > > > > Sure, sounds good! I’ve taken a look into what state we’ll need to > > > migrate already, but I’ll take a more detailed look now so that it’s > > > clear what our requirements are. > > Hi Hanna, > The next step is getting agreement on how the vhost-user device state > interface will work. Do you want to draft the new vhost-user protocol > messages and put together slides for discussion with Michael, Jason, > Juan, and David in the next KVM call? That might be the best way to > get agreement. Doing it via email is possible too but I guess it will > take longer. Let's get a proposal on list first please. If there's a disagreement we can do a call too, but give everyone time to review. > If you don't want to design the vhost-user protocol changes yourself > then someone on this email thread can help with that. > > Stefan