> Looks generally good.
>
> Reviewed-by: Andy Lutomirski <luto@kernel.org>

You say that to part 1/3 ... what happens when you get to part 3/3 and you
read my attempts at writing x86 assembly code?

>> +#ifdef CONFIG_MCE_KERNEL_RECOVERY
>> +int fixup_mcexception(struct pt_regs *regs)
>> +{
>> +       const struct exception_table_entry *fixup;
>> +       unsigned long new_ip;
>> +
>> +       fixup = search_mcexception_tables(regs->ip);
>> +       if (fixup) {
>> +               new_ip = ex_fixup_addr(fixup);
>> +
>> +               regs->ip = new_ip;
>
>  You could very easily save a line of code here :)

Two lines (the declaration of the variable can go away as well).
Will include if we need a V4 when everyone else gets to commenting.

-Tony
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