[PATCH] Machine Check Architecture on amd64

[Takeharu KATO]

Hi

> 
> While I don't know about Intel CPUs, K8 CPUs from AMD have a hardware 
> DRAM/data cache scrubber, so I didn't bother implementing it, and I 
Certainly, they does not have hardware scrubber.
So, I try to add memory scrub routines to your patch.