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Commit a2af04cd authored by Andreas Herrmann's avatar Andreas Herrmann Committed by Ingo Molnar
Browse files

sched: Separate out build of MC sched groups from __build_sched_domains 



... to further strip down __build_sched_domains().

Signed-off-by: default avatarAndreas Herrmann <andreas.herrmann3@amd.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20090818105838.GI29515@alberich.amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0e8e85c9

kernel/sched.c

+10 −13
Original line number Diff line number Diff line
@@ -8576,6 +8576,15 @@ static void build_sched_groups(struct s_data *d, enum sched_domain_level l, 
						&cpu_to_cpu_group,

						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);