Re: [PATCH] x86/mce: Restore MCA polling interval halving

Borislav Petkov
2026-04-15T20:02:32Z

On Wed, Apr 15, 2026 at 07:53:58PM +0000, Luck, Tony wrote:
> It is documented here: https://github.com/andikleen/mcelog?tab=readme-ov-file#readme
>
> Three ways to invoke mcelog (cron job, trigger, daemon). That doc describes
> trigger as "a newer method", but git blame shows that is part of the original version of the
> README,md from 2016. So "new" some time more than 10 years ago.
>
> That doc recommends daemon mode. Also, there's a geologically slow trend moving
> from mcelog to rasdaemon.
>
> Maybe we can drop it, but with the caveat that we'd need to revert if anyone ever
> complains about breakage to user interface (to avoid the wrath of Torvalds).
>
> I could update the mcelog document to say trigger mode supported in kernel version
> <= 7.0

Or simply deprecate it...

I mean, the savings are nothing earth-shattering to even do the effort here so
pls do whatever's the easiest.

Lemme think about how to restructure this patch of mine...

Thx.