Re: [patch v2 21/30] x86/cpu/topology: Use topology bitmaps for sizing

[Thomas Gleixner]

On Fri, Jan 26 2024 at 21:22, Thomas Gleixner wrote:
> On Fri, Jan 26 2024 at 07:07, Zhang, Rui wrote:
>> Say, on my Adlerlake platform, which has 4 Pcores with HT + 8 Ecores,
>> cnta is 12, cntb is 16, and smp_num_siblings is set to 1 erroneously.
>>
>> I think we should use
>> 	smp_num_siblings = DIV_ROUND_UP(cntb, cnta);
>> here.
>
> Indeed. That's more than obvious.

I pushed out a new version which addresses this and also the fallout
Michael and Sohil reported:

  git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git topo-full-v3

I let the robot chew on it before posting it in the next days.

Thanks,

        tglx