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SubjectRe: [PATCH] Add MCE support to KVM
Andi Kleen wrote:
>> It depends if the MSR may be considered global, or is required to be
>> per-cpu. Need to refresh my memory on this, but I remember reading this
>>
>
> Machine Check MSRs need to be per CPU. The latest kernels have some support
> for "shared banks" (between CPUs) but it's better to not have it and
> older OS don't like it.
>

In the case of the hypercall page MSR, it is global and shared among all
processors.

--
error compiling committee.c: too many arguments to function



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