From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:47442) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QEeMM-0004dH-Uj for qemu-devel@nongnu.org; Tue, 26 Apr 2011 05:15:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QEeMI-0007Sl-Uk for qemu-devel@nongnu.org; Tue, 26 Apr 2011 05:15:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:12100) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QEeMI-0007SQ-KC for qemu-devel@nongnu.org; Tue, 26 Apr 2011 05:15:02 -0400 Message-ID: <4DB68CFD.2060501@redhat.com> Date: Tue, 26 Apr 2011 11:14:37 +0200 From: Gerd Hoffmann MIME-Version: 1.0 References: <4D6BD085.8000001@redhat.com> <4D6CE170.6060108@redhat.com> <4D6D01E2.1070908@redhat.com> <4D6E1B28.8090400@redhat.com> <20110302105859.GC18908@playa.tlv.redhat.com> <4D6E245A.5070800@redhat.com> In-Reply-To: <4D6E245A.5070800@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] QEMU: Discussion of separating core functionality vs supportive features List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dlaor@redhat.com Cc: Juan Quintela , Jes Sorensen , QEMU Developers , Michael Roth , Anthony Liguori , Adam Litke , Amit Shah , spice-devel@lists.freedesktop.org Hi, >> I think that would work well for spice. Spice uses shared memory from the >> pci device for both the framebuffer and surfaces/commands, but this is > > Is that the only DMA do you do? That's good for this model. Yes. Spice does both reads and writes though, so a way to tag pages as dirty is needed. cheers, Gerd