[PATCH v1 2/2] drm/i915: enable vGPU 48bit full PPGTT support

[Zhenyu Wang]

On 2017.05.08 00:43:00 +0000, Zhang, Tina wrote:
> > >
> > > > We need compat check.
> > > Do you mean we need a flag in pvinfo to tell the guest whether enabling the
> > full ppgtt feature is allowed?
> > >
> > 
> > yeah, I think we need a formal feature flag in pvinfo, e.g full ppgtt, guc/huc, etc.
> Oh. I'm thinking, for full ppgtt, maybe we can make the thing easier by combining the two patches into one. After all, the Linux guest full ppgtt is blocked by an issue. Here we fixed the issue, and make the ppgtt good to go. So, if there is only one patch for this issue, ppgtt won't have the compatibility problem.
> 

Can't see how that could work, even patch applied to guest kernel,
still can't assume whether or not host kernel has this fix.

-- 
Open Source Technology Center, Intel ltd.

$gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 195 bytes
Desc: not available
URL: <https://lists.freedesktop.org/archives/intel-gvt-dev/attachments/20170508/1d61ce08/attachment-0001.sig>