Re: [linux-safety] [PATCH 1/4] x86/mce: do not overwrite no_way_out if mce_end() fails

Borislav Petkov
2020-11-20T17:58:20Z

On Fri, Nov 20, 2020 at 05:31:32PM +0000, Paoloni, Gabriele wrote:
> I mean that on this CPU thread at this point mce_start() already cached
> global_nwo and hence could accumulate fatal severities of other CPUs.
>
> Now here if mce_end() fails we only consider the local 'worst' severity
> and we overwrite those already cached.

Yap, we're on the same page. :)

> If ok I will fix the grammar and rewrite this code in v2.

Sure, lemme go through the rest first.

Thx.

--
Regards/Gruss,
Boris.

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