On 07/23/2019 06:37 PM, Chris Wilson wrote:
> Quoting Xiaolin Zhang (2019-07-23 12:31:57)
>> To enable vgpu pv features, we need to setup a shared memory page
>> which will be used for data exchange directly accessed between both
>> guest and backend i915 driver to avoid emulation trap cost.
>>
>>
Quoting Xiaolin Zhang (2019-07-23 12:31:57)
> To enable vgpu pv features, we need to setup a shared memory page
> which will be used for data exchange directly accessed between both
> guest and backend i915 driver to avoid emulation trap cost.
>
> guest i915 will allocate this page memory and
To enable vgpu pv features, we need to setup a shared memory page
which will be used for data exchange directly accessed between both
guest and backend i915 driver to avoid emulation trap cost.
guest i915 will allocate this page memory and then pass it's physical
address to backend i915 driver