On Fri, Apr 27, 2018 at 11:14:35AM -0700, Jim Mattson wrote:
> Changing the VMCS12 layout breaks save/restore compatibility with
> older kvm releases.
>
> Google has been saving/restoring nested VMX state based on the v4.0
> layout. There are no other known users of the
> KVM_{GET,SET}_NESTED_STATE ioctls, since those ioctls have not yet
> been accepted upstream.
What is the advantage of that layout vs the one that is now? I vaguelly
recall something about it being quite bloated and the newer more sparse?
