Messages in this thread | | | Date | Wed, 16 Aug 2023 13:17:00 -0700 | Subject | Re: [PATCH 1/2] x86/microcode/AMD: Load late on both threads too | From | Jim Mattson <> |
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On Wed, Jun 07, 2023 at 13:15:42 -0700, Dave Hansen wrote: >On 6/7/23 13:03, Borislav Petkov wrote: >> On Wed, Jun 07, 2023 at 12:36:53PM -0700, Dave Hansen wrote: >>> What's the benefit of doing the loading on both threads? I would have >>> naively thought it was just wasted work. >> I have the perfect example for this, see: >> >> e7ad18d1169c ("x86/microcode/AMD: Apply the patch early on every logical thread") >> >> so it is for reasons like that. > >Yikes, so the second CMT thread reports a bumped version but not all the >_effects_ of that version? That's, uh ... fun???
That does seem like fun. :)
Borislav,
Is there any way to tell that a microcode patch has been loaded on only one thread? And what does this mean for SEV-SNP attestation?
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