Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask

[Shrikanth Hegde]

Hi Chenyu.

> Yes this direction look good to me. Regarding the arch_llc_mask(),
> how about the following per Srikar's description
>
> const struct cpumask *arch_llc_mask(int cpu)
> {
>      /* Power9, CACHE domain is the LLC*/    if (shared_caches)
>          return cpu_l2_cache_mask(cpu);
>
>      /* P7, P8, P10, P11, SMT domain is the LLC*/    return 
> cpu_smt_mask(cpu);
> }
>
> thanks,
> Chenyu

Yes. this is what i was thinking too. I have the patch, let me send it 
across shortly. It is fixing the boot panic for me in SPLPAR. Hopefully
it should work for others too.

I will send it as reply to main thread so one doesn't miss it out.