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

Vadim Rozenfeld
2011-10-11T16:09:26Z

On Tue, 2011-10-11 at 17:52 +0200, Paolo Bonzini wrote:
> 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
How? You need hypercall page for it.
Best,
Vadim.
> 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