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.
the solution in this patch set is to setup a shared memory region
which accessed both by guest and GVTg without trap
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
