[PATCH] drm/i915/gvt: validate gfn before set shadow page entry

[Zhenyu Wang]

On 2018.01.05 13:06:21 +0800, Zhi Wang wrote:
> Reviewed-by: Zhi Wang <zhi.a.wang at intel.com>
> 
> > > 
> > > From: Hang Yuan <hang.yuan at intel.com>
> > > 
> > > GVT may receive partial write on one guest PTE update. Validate gfn not to
> > > translate incomplete gfn. This avoids some unnecessary error messages
> > > incurred by the incomplete gfn translating. Also fix the bug that the whole
> > > PPGTT shadow page update is aborted on any invalid gfn entry.
> > > 
> > > gfn validation relys on hypervisor's help. Add one MPT module function to
> > > provide the function.
> > > 
> > > Signed-off-by: Hang Yuan <hang.yuan at intel.com>

applied, thanks!

-- 
Open Source Technology Center, Intel ltd.

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