Standardizing an MSR or other hypercall to get an RNG seed?

H. Peter Anvin
2014-09-19T17:36:28Z

On 09/19/2014 10:21 AM, Andy Lutomirski wrote:
>>
>> There is a huge disadvantage to the fact that CPUID is a user space
>> instruction, though.
>
> We can always make cpuid on the leaf in question return all zeros if CPL
> 0.
>

Not sure that is better...

	-hpa