RE: [PATCH] x86/mce: Schedule mce_setup() on correct CPU for CPER decoding

[Luck, Tony]

>         for_each_possible_cpu(cpu) {
>                 if (cpu_data(cpu).initial_apicid == lapic_id) {
>                         m.extcpu = cpu;

Are there any other places in the kernel where we need to find the
Linux CPU number starting from the apic id?

I briefly looked a while back when I needed this for some
debug use case and didn't find it then. But Linux changes
and maybe there are some now.

Which is a long way to say I'd like to see boot code initialize an array so the above
could just be:

	m.extcpu = lapic_to_cpu[lapic_id];

But we'd need at least a couple of use cases to justify.

-Tony