Re: [RFC PATCH 7/7] [hyper-v] init hyper-v cpuid leafs

Paolo Bonzini
2011-10-11T15:52:28Z

On 10/11/2011 03:46 PM, Vadim Rozenfeld wrote:
> > These should not be KVM-specific. You should be able to add
> > enlightenments to a TCG VM. At the same time, the KVM leaves could be
> > moved to 0x40000100 when enlightenments are active, similar to what Xen
> > does.
> >
>
> IMO, adding Hyper-V features without KVM support has little, if any,
> meaning. Relaxed timing is the only one thing, which can be activated
> without help from hypervisor.

Spinlocks too. TCG does its own round-robin scheduling, so having zero
retries could be the best setting. But even if it is not useful for
TCG, there's nothing KVM-specific, and that's the important point.

Paolo