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SubjectRe: [PATCH] x86/microcode/AMD: Attempt applying on every logical thread
On Tue, Aug 16, 2022 at 09:00:14AM +0000, Ashok Raj wrote:
> A re-application means, you want to apply even if the cpu_rev <= patch.rev

Yes.

> if cpu_rev is > patch_rev, clearly its ahead?. say BIOS has a newer
> version than in the initrd image, do we want to replace the BIOS
> version since we do no revid checks here.

Can you even downgrade the microcode through the MSR?

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette

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