RE: [PATCH 1/2] x86/mce: Disable preemption for CPER decoding

[Luck, Tony]

> But I don't know about m->cpuid. Mixing processor revisions is not 
> allowed on AMD systems, and I don't know about other vendors. So I'd 
> leave m->cpuid as global unless there's a strong case otherwise.

There is (or was) support for mixed stepping in the microcode update
code. Not sure if Boris and Ashok came to any agreement on keeping it.

-Tony