Re: [RFC] CPUID usage for interaction between Hypervisors and Linux.

[H. Peter Anvin]

Alok Kataria wrote:
> Hypervisor CPUID Interface Proposal
> -----------------------------------
>
> Intel & AMD have reserved cpuid levels 0x40000000 - 0x400000FF for
> software use.  Hypervisors can use these levels to provide an interface
> to pass information from the hypervisor to the guest running inside a
> virtual machine.
>
> This proposal defines a standard framework for the way in which the
> Linux and hypervisor communities incrementally define this CPUID space.

I also observe that your proposal provides no mean of positive 
identification, i.e. that a hypervisor actually conforms to your proposal.

	-hpa
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