Re: refactor the i915 GVT support and move to the modern mdev API v3

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Hi folks:

Thanks so much for the efforts. I prepared a branch which contains all our patches.The aim of the branch is for the VFIO maintainers to pull the whole bunch easily after the drm-intel-next got merged through drm (as one of the MMIO patches depends on a patch in drm-intel-next).

I dropped patch 4 and patch 5 as they have been covered by Jani's patches. Some conflicts was solved.
QA is going to test it today. 

You can find it here:

git clone https://github.com/intel/gvt-linux -b for-christoph

Thanks,
Zhi.

On 4/13/22 3:58 PM, Jani Nikula wrote:
> On Wed, 13 Apr 2022, Christoph Hellwig <hch@xxxxxx> wrote:
>> On Wed, Apr 13, 2022 at 01:47:05PM +0000, Wang, Zhi A wrote:
>>>> the GVT code in the i915 is a bit of a mess right now due to strange
>>>> abstractions and lots of indirect calls.  This series refactors various
>>>> bits to clean that up.  The main user visible change is that almost all
>>>> of the GVT code moves out of the main i915 driver and into the kvmgt
>>>> module.
>>>
>>> Hi Christoph:
>>>
>>> Do you want me to merge the GVT-g patches in this series? Or you want them to get merged from your side?
>>
>> The two option here are drm tree via gvt and i915 trees or the vfio
>> tree, neither of which really is my tree.
>>
>> We already have a fair bit of vfio changes at the tail end of the series,
>> and Jason has some more that should sit on top of it, and I have some
>> more that I haven't sent yet.
>>
>> So if we could get the MMIO table and Makefile cleanups into a topic
>> branch that we could pull into the vfio tree and merge it through that
>> that would seem easiest to me, assuming that is ok with the i915, drm
>> and vfio maintainers.
> 
> AFAICS the changes are mostly to gvt/, and at least I'm fine with the
> minor changes to i915 (in this series and in my two patches) being
> merged via whichever tree you all see fit.
> 
> Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> 
> Joonas, Tvrtko, Rodrigo, chime in now if you have any issues with that.
> 
> 
> BR,
> Jani.
> 
> 





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