[Intel-gfx] [PATCH v3 0/8] i915 pvmmio to improve GVTg performance

[Chris Wilson]

Quoting Xiaolin Zhang (2018-11-13 08:35:12)
> To improve GVTg performance, it could reduce the mmio access trap
> numbers within guest driver in some certain scenarios since mmio
> access trap will introuduce vm exit/vm enter cost.

This still looks merely like a proof-of-concept, and does not look like a
complete proposal for a protocol to a shared micro-controller. Nor does
it look like it will be extensible into such a protocol.
-Chris