Messages in this thread | | | Date | Mon, 7 Feb 2022 22:20:13 +0100 | From | Borislav Petkov <> | Subject | Re: [RFC] x86/mce: Add workaround for SKX/CLX/CPX spurious machine checks |
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On Mon, Feb 07, 2022 at 09:07:05PM +0000, Luck, Tony wrote: > Yes. That would work. It's an extra MSR read instead of a memory read. > But this isn't a performance path.
Exactly.
> The erratum has made its way through to the public specification > update yet :-(
You mean "has not"?
In any case, I guess you could say something like:
pr_err_once("Erratum #XXX detected, disabling fast string copy instructions.\n");
or so and people can search with the erratum number later where the doc will explain it in more detail.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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