RE: [PATCH v2] x86/mce: work around an erratum on fast string copy instructions.
From: Luck, Tony
Date: Fri Feb 18 2022 - 12:58:53 EST
> Also, Tony, I think the clearing of MCG_STATUS should happen last.
Yes. There's a race if another #MC comes in after MCIP is cleared, but before we get
off the machine check stack. Should make that window as small as possible.
-Tony