From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36400) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIoEJ-0000T5-60 for qemu-devel@nongnu.org; Mon, 11 Jan 2016 20:58:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aIoEF-0001KA-VX for qemu-devel@nongnu.org; Mon, 11 Jan 2016 20:58:39 -0500 Received: from [59.151.112.132] (port=59699 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIoEE-0001JE-Pj for qemu-devel@nongnu.org; Mon, 11 Jan 2016 20:58:35 -0500 References: <1451378763-25398-1-git-send-email-caoj.fnst@cn.fujitsu.com> <20151229130853-mutt-send-email-mst@redhat.com> <56828A5E.8060202@cn.fujitsu.com> From: Cao jin Message-ID: <56945E71.3060807@cn.fujitsu.com> Date: Tue, 12 Jan 2016 10:01:21 +0800 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert to realize() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Hao, Xudong" , Stefano Stabellini Cc: Lars Kurth , "xen-devel@lists.xensource.com" , "Michael S. Tsirkin" , Lars Kurth , "qemu-devel@nongnu.org" , Stefano Stabellini Hi On 01/11/2016 05:53 PM, Hao, Xudong wrote: > Stefano, > > Patch http://marc.info/?l=qemu-devel&m=145137863501079 don't works for qemu at all, some conflict when git apply. > Patch http://marc.info/?l=qemu-devel&m=145137863501079 is based on patch http://marc.info/?l=qemu-devel&m=145172165010604, right? > > I can boot up Linux VM with IGD pass-through with latest qemu (without any additional patch), guest run 3D "nexuiz" and get 180fps. > Because commit: 349a3b1cc is already in the latest qemu(maybe the day before yesterday?), so I guess that is why latest qemu works well with igd-passthru and also the same reason for git apply conflict? > Will try the two patch together later. > > Thanks, > -Xudong > > >> -----Original Message----- >> From: Stefano Stabellini [mailto:stefano.stabellini@eu.citrix.com] >> Sent: Friday, January 8, 2016 7:57 PM >> To: Hao, Xudong >> Cc: Stefano Stabellini ; Lars Kurth >> ; Lars Kurth ; Cao jin >> ; xen-devel@lists.xensource.com; Stefano Stabellini >> ; qemu-devel@nongnu.org; Michael S. Tsirkin >> >> Subject: RE: [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert to realize() >> >> Since you are at it, could you please let me know how well igd passthrough >> works without this bugfix: >> >> http://marc.info/?l=qemu-devel&m=145172165010604 >> >> which is about to land in QEMU. I guess it doesn't work at all? >> >> I am asking because I would like to know the level of support we need to provide >> to igd passthrough with the latest QEMU release (2.5). >> >> >> On Thu, 7 Jan 2016, Hao, Xudong wrote: >>> Sure. I'll test it soon. >>> >>> Thanks, >>> -Xudong >>> >>>> -----Original Message----- >>>> From: Stefano Stabellini [mailto:stefano.stabellini@eu.citrix.com] >>>> Sent: Wednesday, January 6, 2016 8:18 PM >>>> To: Lars Kurth >>>> Cc: Stefano Stabellini ; Hao, >>>> Xudong ; Lars Kurth ; >>>> Cao jin ; xen-devel@lists.xensource.com; >>>> Stefano Stabellini ; >>>> qemu-devel@nongnu.org; Michael S. Tsirkin >>>> Subject: Re: [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert >>>> to realize() >>>> >>>> Hello Xudong, >>>> >>>> please test this patch: >>>> >>>> http://marc.info/?l=qemu-devel&m=145137863501079 >>>> >>>> with an intel graphic card assigned to a Xen guest. If everything >>>> still works as expected, please reply with your Tested-by. >>>> >>>> Thanks, >>>> >>>> Stefano >>>> >>>> On Wed, 6 Jan 2016, Lars Kurth wrote: >>>>> Hi folks, >>>>> let me introduce you to Xudong from Intel, who is willing to help out. >>>>> Best Regards >>>>> Lars >>>>> >>>>>> On 4 Jan 2016, at 15:41, Stefano Stabellini >>>>>> >>>> wrote: >>>>>> >>>>>> On Mon, 4 Jan 2016, Lars Kurth wrote: >>>>>>> On 04/01/2016 14:47, "Stefano Stabellini" >>>>>>> wrote: >>>>>>> >>>>>>>> Unfortunately I don't have a setup to test this either. Maybe >>>>>>>> Lars can find out who should be involved on the Intel side on this. >>>>>>> >>>>>>> I can certainly help to this and get back to you. What exactly >>>>>>> are we asking Intel to do? >>>>>>> It is not clear to me from this email thread >>>>>> >>>>>> Tiejun Chen, the author of the Intel graphic card passthrough >>>>>> patches for QEMU, seems to have left the company. It would be >>>>>> nice if somebody else tested this patch with an intel graphic >>>>>> card assigned to a guest VM. >>>>>> >>>>>> _______________________________________________ >>>>>> Xen-devel mailing list >>>>>> Xen-devel@lists.xen.org >>>>>> http://lists.xen.org/xen-devel >>>>> >>> > > > . > -- Yours Sincerely, Cao jin