Re: [PATCH RESEND v4 2/3] x86/apic: Introduce a variable to track the number of EILVT registers

[Borislav Petkov]

On Thu, Sep 24, 2026 at 05:28:48PM +0530, Naveen N Rao wrote:
> Cause I didn't want to risk changing the current default EILVT register 
> count for some ~2 decade old processor that may be advertising 
> X86_FEATURE_EXTAPIC but encoding a count of zero in APIC_EFEAT.

Do you know of such a processor?

Because Christian gave you all regs count from K8 onwards and that's what we
support anyway. I don't care about K7 rust and older.

> Right, the split reflects how I viewed the changes, and to hopefully 
> simplify the review. Looks like I got the split wrong as it looks to 
> have been counter-productive here.

Right, just keep it simple and do a single patch.

Thx.

-- 
Regards/Gruss,
    Boris.

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