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Subject[tip:sched/domains] sched: Separate out build of MC sched groups from __build_sched_domains
Commit-ID:  a2af04cdbb748158043e31799b28c48272081600
Gitweb: http://git.kernel.org/tip/a2af04cdbb748158043e31799b28c48272081600
Author: Andreas Herrmann <andreas.herrmann3@amd.com>
AuthorDate: Tue, 18 Aug 2009 12:58:38 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 18 Aug 2009 18:35:43 +0200

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>


---
kernel/sched.c | 23 ++++++++++-------------
1 files changed, 10 insertions(+), 13 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 43cfc6e..f2c202f 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);

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