On Thu, Aug 09, 2018 at 06:26:57AM -0700, Srikar Dronamraju wrote: > * Gautham R. Shenoy <e...@linux.vnet.ibm.com> [2018-08-09 11:02:08]: > > > > > 3) ppc64_cpu --smt=2 > > SMT domain ceases to exist as each domain consists of just one > > group. > > > > When seen in isolation, the above looks as if ppc64_cpu --smt=2 o/p says > " SMT domain ceases to exist...."
Ok. The intent was to say that one of the sched-domain level collapses, thereby leaving only CACHE, DIE and NUMA. Will word it better. > > > @@ -999,7 +1012,17 @@ static void add_cpu_to_masks(int cpu) > > { > > int first_thread = cpu_first_thread_sibling(cpu); > > int chipid = cpu_to_chip_id(cpu); > > - int i; > > + > > + struct thread_groups tg; > > + int i, cpu_group_start = -1; > > + > > + if (has_big_cores) { > > + struct device_node *dn = of_get_cpu_node(cpu, NULL); > > + > > Not checking for validity of dn and no of_node_puts? Will fix this. Thanks for catching this. > > > + parse_thread_groups(dn, &tg); > > + cpu_group_start = get_cpu_thread_group_start(cpu, &tg); > > + cpumask_set_cpu(cpu, cpu_smallcore_sibling_mask(cpu)); > > + } > > > > /* > > * This CPU will not be in the online mask yet so we need to manually > > The rest looks good Thanks for the review. >