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

From: H. Peter Anvin
Date: Wed Oct 01 2008 - 13:25:42 EST


Alok Kataria wrote:

(This proposal may be adopted by other guest OSes. However, that is not
a requirement because a hypervisor can expose a different CPUID
interface depending on the guest OS type that is specified by the VM
configuration.)


Excuse me, but that is blatantly idiotic. Expecting the user having to configure a VM to match the target OS is *exactly* as stupid as expecting the user to reconfigure the BIOS. It's totally the wrong thing to do.

-hpa
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