| Date | Sun, 6 Feb 2022 20:50:28 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v9 38/43] x86/sev: Use firmware-validated CPUID for SEV-SNP guests |
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On Fri, Jan 28, 2022 at 11:17:59AM -0600, Brijesh Singh wrote: > +/* > + * It is useful from an auditing/testing perspective to provide an easy way > + * for the guest owner to know that the CPUID table has been initialized as > + * expected, but that initialization happens too early in boot to print any > + * sort of indicator, and there's not really any other good place to do it.
If you really wanna do it - and I think it might make sense to be able to dump that table for debugging or whatever purposes, you could define a cmdline parameter like
sev=debug
or so, which would enable checking and dumping of the cpuid table.
For example...
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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