[PVE-User] Compiling newer kvm-kmod on PVE 2.1

[Dietmar Maurer]

> It appears substantial backporting may have been done to the 2.6.32-14-pve
> kernel because function prototypes from vanilla kernels as new as 3.0.0 are
> present

PVE is based on RHEL6 kernel, so many feature are already backported.

- Dietmar