Re: [PATCH v1 1/2] x86/sev: Do not initialize SNP if missing CPUs
From: Borislav Petkov
Date: Fri Apr 03 2026 - 15:55:11 EST
On Fri, Apr 03, 2026 at 11:52:09AM -0600, Tycho Andersen wrote:
> I suppose depends on how the firmware reasons about such things too.
> But it seems like the suggestion of cpus_present_mask is right.
Yes, I think that should work.
And in that check you could dump both masks if they're unequal - hint *%pb or
%pbl as printk format strings:
Documentation/core-api/printk-formats.rst
so that we can get more debug info on what the mismatch actually is.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette