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

[Zhi Wang]

Thanks for the reply! Any inputs and ideas are welcome. :P

On 02/08/17 21:22, Chris Wilson wrote:
> 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
>