sched: Separate out build of MC sched groups from __build_sched_domains

... to further strip down __build_sched_domains().

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20090818105838.GI29515@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 10 insertions, 13 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 43cfc6e54e9..f2c202f6629 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8577,6 +8577,15 @@ static void build_sched_groups(struct s_data *d, enum sched_domain_level l,
                                                 d->send_covered, d->tmpmask);
                 break;
 #endif
+#ifdef CONFIG_SCHED_MC
+        case SD_LV_MC: /* set up multi-core groups */
+                cpumask_and(d->this_core_map, cpu_map, cpu_coregroup_mask(cpu));
+                if (cpu == cpumask_first(d->this_core_map))
+                        init_sched_build_groups(d->this_core_map, cpu_map,
+                                                &cpu_to_core_group,
+                                                d->send_covered, d->tmpmask);
+                break;
+#endif
         default:
                 break;
         }
@@ -8618,21 +8627,9 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
 
         for_each_cpu(i, cpu_map) {
                 build_sched_groups(&d, SD_LV_SIBLING, cpu_map, i);
+                build_sched_groups(&d, SD_LV_MC, cpu_map, i);
         }
 
-#ifdef CONFIG_SCHED_MC
-        /* Set up multi-core groups */
-        for_each_cpu(i, cpu_map) {
-                cpumask_and(d.this_core_map, cpu_coregroup_mask(i), cpu_map);
-                if (i != cpumask_first(d.this_core_map))
-                        continue;
-
-                init_sched_build_groups(d.this_core_map, cpu_map,
-                                        &cpu_to_core_group,
-                                        d.send_covered, d.tmpmask);
-        }
-#endif
-
         /* Set up physical groups */
         for (i = 0; i < nr_node_ids; i++) {
                 cpumask_and(d.nodemask, cpumask_of_node(i), cpu_map);