Re: [PATCH 0/2] KVM: MMU: support VMAs that got remap_pfn_range-ed

From: Paolo Bonzini
Date: Wed Jul 06 2016 - 07:48:33 EST




On 06/07/2016 06:02, Xiao Guangrong wrote:
>>>
>>>>
>>>> May I ask you what the exact issue you have with this interface for
>>>> Intel to support
>>>> your own GPU virtualization?
>>>
>>> Intel's vGPU can work with this framework. We really appreciate your
>>> / nvidia's
>>> contribution.
>>
>> Then, I don't think we should embargo Paolo's patch.
>
> This patchset is specific for the framework design, i.e, mapping memory when
> fault happens rather than mmap(), and this design is exact what we are
> discussing for nearly two days.

I disagree, this patch fixes a bug because what Neo is doing is legal.
It may not be the design that will be committed, but the bug they found
in KVM is real.

Paolo