Re: [RFC PATCH] x86/cpu/hygon: Fix phys_proc_id calculation logic for multi-die processor

From: Peter Zijlstra
Date: Fri Mar 22 2019 - 12:52:28 EST

On Fri, Mar 22, 2019 at 05:44:45PM +0100, Borislav Petkov wrote:
> On Sat, Mar 23, 2019 at 12:19:01AM +0800, Pu Wen wrote:
> > That 6 is not a magic number.
> Well, if I see a naked 6, then it is only magic to me. Now if it were a
> proper define with a descriptive name...

Does AMD/Hygon not have a CPUID leaf to read useful things like this