Messages in this thread | | | Date | Wed, 7 Jun 2023 22:03:39 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH 1/2] x86/microcode/AMD: Load late on both threads too |
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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.
> I think I even have a back-burnered Intel patch around somewhere that > ensures that we *never* load on both threads.
Interesting - I guess there are considerable differences in microcode architecture between the two. :-)
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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