On 08/27/2014 12:00 AM, Paolo Bonzini wrote: > Il 27/08/2014 01:58, Andy Lutomirski ha scritto: >> hpa pointed out that the ABI that I chose (an MSR from the KVM range >> and a KVM cpuid bit) is unnecessarily KVM-specific. It would be nice >> to allocate an MSR that everyone involved can agree on and, rather >> than relying on a cpuid bit, just have the guest probe for the MSR. >> >> This leads to a few questions: >> >> 1. How do we allocate an MSR? (For background, this would be an MSR >> that either returns 64 bits of best-effort cryptographically secure >> random data or fails with #GP.) > > Ask Intel? :) I'm going to poke around internally. Intel might as a matter of policy be reluctant to assign an MSR index specifically for software use, but I'll try to find out. -hpa -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html