Re: [RFC PATCH V2 0/1] x86: cpu topology fix and question on x86_max_cores
From: Borislav Petkov
Date: Tue Feb 21 2023 - 05:09:26 EST
On Tue, Feb 21, 2023 at 10:00:54AM +0100, Peter Zijlstra wrote:
> We really should have added that CPUID uniformity sanity check a long
> while ago :-(
We're pretty much there:
c0dd9245aa9e ("x86/microcode: Check CPU capabilities after late microcode update correctly")
(in tip currently)
It would need to get extended to do it on each CPU during SMP boot.
--
Regards/Gruss,
Boris.
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