Re: [Xen-devel] Xen Q35 & virtual VTD support

["Lan, Tianyu" <tianyu.lan@xxxxxxxxx>]

On 5/10/2016 10:52 PM, Anthony PERARD wrote:
> On Tue, May 10, 2016 at 10:31:38PM +0800, Lan, Tianyu wrote:
> > On 5/10/2016 6:11 PM, Stefano Stabellini wrote:
> > > Hello Tianyu,
> > >
> > > What do you mean by reusing Q35 for Xen? If you mean using QEMU to
> > > emulate a Q35 based machine for HVM guests, I think that should be OK.
> > From xl code, I findit passes pc, xenpv or xenfv as "-machine" param
> > to Qemu except Q35. I also tried changing code to select Q35 in the xl
> > but guest didn't boot up. So I want to check whether Xen supports Q35 in
> > the current code or not.
> No, Xen do not support Q35.
>
> But that is possible in the future, I did some work on it in the past, you
> can find it here if you are curious:
>
> http://xenbits.xen.org/gitweb/?p=people/aperard/xen-unstable.git;a=shortlog;h=refs/heads/machine-q35-wip
>
> I'm not sure if it's going to help you.
Great. Thanks a lot for your help. BTW, do you have plan to upstream 
these patches?



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