[Intel-gfx] [PATCH] A possible hotfix for aliasing PPGTT in kernel 4.11.x or 4.10.x

[Chris Wilson]

On Wed, Feb 08, 2017 at 09:03:32PM +0800, Zhi Wang wrote:
> Redhat guys have choose kernel stable 4.10 as their target. As you know,
> currently the aliasing PPGTT mode required by GVT-g doesn't work now.
> 
> Thanks Chris who has already pushed the fixes, but it seems that the
> kernel 4.11 merging window has already open and those fixes might be
> merged in 4.12.x possibly which is too late for us. T_T
> 
> After some discussions with Zhiyuan and Zhenyu, we wonder that if it's
> possible to send this hotfix patch to kernel 4.11 *fixes* to make
> aliasing PPGTT work temporarily and after Chris' fixes merged in future,
> we or he can revert or drop this patch then. Is this possible?

I was under the impression that aliasing was *not* a supported mode of
operation.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre