From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38111) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b05nP-0007nB-11 for qemu-devel@nongnu.org; Tue, 10 May 2016 07:25:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b05nJ-00036c-3D for qemu-devel@nongnu.org; Tue, 10 May 2016 07:25:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53460) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b05nI-00036O-PI for qemu-devel@nongnu.org; Tue, 10 May 2016 07:25:40 -0400 Message-ID: <1462879537.8035.53.camel@redhat.com> From: Gerd Hoffmann Date: Tue, 10 May 2016 13:25:37 +0200 In-Reply-To: <1462874939.8035.52.camel@redhat.com> References: <1462367134-23894-1-git-send-email-kraxel@redhat.com> <20160509144316.GI3372@stefanha-x1.localdomain> <1462874939.8035.52.camel@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 Subject: Re: [Qemu-devel] [virtio-dev] [PATCH] Add virtio gpu device specification. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: virtio-dev@lists.oasis-open.org, qemu-devel@nongnu.org Hi, > > > Rendered versions are available here: > > > https://www.kraxel.org/virtio/virtio-v1.0-cs03-virtio-gpu.pdf > > > https://www.kraxel.org/virtio/virtio-v1.0-cs03-virtio-gpu.html#x1-2= 800007 > > I guess a non-fenced command only completes when the operation has > > finished, too (so that a meaningful success/error value can be > > produced)? >=20 > When stuff is processed asynchronously the command can complete before > the operation actually completed. Current qemu implementation does that > only in 3d mode, when offloading stuff to the hardware (and verifies > stuff beforehand, so if you try to kick 3d rendering with an invalid > context id qemu will throw an error). >=20 > I'll try to make that more clear in the text. Updated now. cheers, Gerd