const struct cpumask *mask = cpu_coregroup_mask(cpu);
        return cpumask_first(mask);
 #elif defined(CONFIG_SCHED_SMT)
-       return first_cpu(per_cpu(cpu_sibling_map, cpu));
+       return cpumask_first(topology_thread_cpumask(cpu));
 #else
        return cpu;
 #endif
 
 {
        int group;
 
-       cpumask_and(mask, &per_cpu(cpu_sibling_map, cpu), cpu_map);
+       cpumask_and(mask, topology_thread_cpumask(cpu), cpu_map);
        group = cpumask_first(mask);
        if (sg)
                *sg = &per_cpu(sched_group_core, group).sg;
        cpumask_and(mask, cpu_coregroup_mask(cpu), cpu_map);
        group = cpumask_first(mask);
 #elif defined(CONFIG_SCHED_SMT)
-       cpumask_and(mask, &per_cpu(cpu_sibling_map, cpu), cpu_map);
+       cpumask_and(mask, topology_thread_cpumask(cpu), cpu_map);
        group = cpumask_first(mask);
 #else
        group = cpu;
                SD_INIT(sd, SIBLING);
                set_domain_attribute(sd, attr);
                cpumask_and(sched_domain_span(sd),
-                           &per_cpu(cpu_sibling_map, i), cpu_map);
+                           topology_thread_cpumask(i), cpu_map);
                sd->parent = p;
                p->child = sd;
                cpu_to_cpu_group(i, cpu_map, &sd->groups, tmpmask);
        /* Set up CPU (sibling) groups */
        for_each_cpu(i, cpu_map) {
                cpumask_and(this_sibling_map,
-                           &per_cpu(cpu_sibling_map, i), cpu_map);
+                           topology_thread_cpumask(i), cpu_map);
                if (i != cpumask_first(this_sibling_map))
                        continue;