RE: [PATCH] x86/mce: drop cpu_missing since we have more capable mce_missing_cpus

From: Luck, Tony
Date: Tue Nov 09 2021 - 14:51:03 EST


>> Just a note that skipping the mce_panic() here isn't going to help
>> much. With some CPUs stuck not responding to #MC the system is going
>> to lock up or crash for other timeouts in the next few seconds.
>
> Yeh, I spent a couple of minutes today staring at this ->tolerant
> thing and wondering why we need it at all. I wouldn't mind ripping it
> altogether unless you're using it for testing or so.

I think it might have been useful before recoverable machine checks. But
now it just seems to cause confusion. I do not ever use it. I would not be
sad to see it go.

-Tony