Re: Kernel 6.9 regression: X86: Bogus messages from topology detection

[Thomas Gleixner]

On Thu, May 30 2024 at 15:35, Thomas Gleixner wrote:
> On Thu, May 30 2024 at 12:06, Peter Schneider wrote:
> Now the million-dollar question is what unlocks CPUID to read the proper
> value of EAX of leaf 0. All I could come up with is to sprinkle a dozen
> of printks into that code. Updated debug patch below.

Don't bother. Dave pointed out to me that this is unlocked in
early_init_intel() via MSR_IA32_MISC_ENABLE_LIMIT_CPUID...

Let me figure out how to fix that sanely.

Thanks,

        tglx