On Wed, Jul 17, 2019 at 11:56:27PM +0800, Xiaolin Zhang wrote:
> GPU hang observed during the guest OCL conformance test which is caused
> by THP GTT feature used durning the test.
>
> It was observed the same GFN with different size (4K and 2M) requested
> from the guest in GVT. So during the guest page dma map stage, it is
> required to unmap first with orginal size and then remap again with
> requested size.
>
> Fixes: b901b252b6cf ("drm/i915/gvt: Add 2M huge gtt support")
> Signed-off-by: Xiaolin Zhang <xiaolin.zhang@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gvt/kvmgt.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
