Re: [Xen-devel] [PATCH v4] igd-passthrough-i440FX: convert to realize()

[Cao jin <caoj.fnst@xxxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx]
> > Sent: Friday, January 8, 2016 7:57 PM
> > To: Hao, Xudong <xudong.hao@xxxxxxxxx>
> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>; Lars Kurth
> > <lars.kurth.xen@xxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>; Cao jin
> > <caoj.fnst@xxxxxxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxx; Stefano Stabellini
> > <Stefano.Stabellini@xxxxxxxxxx>; qemu-devel@xxxxxxxxxx; Michael S. Tsirkin
> > <mst@xxxxxxxxxx>
> > 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@xxxxxxxxxxxxx]
> > > > Sent: Wednesday, January 6, 2016 8:18 PM
> > > > To: Lars Kurth <lars.kurth.xen@xxxxxxxxx>
> > > > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>; Hao,
> > > > Xudong <xudong.hao@xxxxxxxxx>; Lars Kurth <lars.kurth@xxxxxxxxxx>;
> > > > Cao jin <caoj.fnst@xxxxxxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxx;
> > > > Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxx>;
> > > > qemu-devel@xxxxxxxxxx; Michael S. Tsirkin <mst@xxxxxxxxxx>
> > > > 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
> > > > > > <stefano.stabellini@xxxxxxxxxxxxx>
> > > > wrote:
> > > > > > On Mon, 4 Jan 2016, Lars Kurth wrote:
> > > > > > > On 04/01/2016 14:47, "Stefano Stabellini"
> > > > > > > <stefano.stabellini@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx
> > > > > > http://lists.xen.org/xen-devel
>
> .
--
Yours Sincerely,

Cao jin



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel