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sched: Separate out build of SMT sched domain 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: <20090818105703.GG29515@alberich.amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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1 changed files with 19 additions and 13 deletions
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@ -8546,6 +8546,23 @@ static struct sched_domain *__build_mc_sched_domain(struct s_data *d,
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return sd;
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}
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static struct sched_domain *__build_smt_sched_domain(struct s_data *d,
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const struct cpumask *cpu_map, struct sched_domain_attr *attr,
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struct sched_domain *parent, int i)
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{
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struct sched_domain *sd = parent;
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#ifdef CONFIG_SCHED_SMT
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sd = &per_cpu(cpu_domains, i).sd;
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SD_INIT(sd, SIBLING);
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set_domain_attribute(sd, attr);
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cpumask_and(sched_domain_span(sd), cpu_map, topology_thread_cpumask(i));
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sd->parent = parent;
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parent->child = sd;
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cpu_to_cpu_group(i, cpu_map, &sd->groups, d->tmpmask);
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#endif
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return sd;
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}
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/*
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* Build sched domains for a given set of cpus and attach the sched domains
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* to the individual cpus
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@ -8569,7 +8586,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
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* Set up domains for cpus specified by the cpu_map.
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*/
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for_each_cpu(i, cpu_map) {
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struct sched_domain *sd = NULL, *p;
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struct sched_domain *sd;
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cpumask_and(d.nodemask, cpumask_of_node(cpu_to_node(i)),
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cpu_map);
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@ -8577,18 +8594,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
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sd = __build_numa_sched_domains(&d, cpu_map, attr, i);
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sd = __build_cpu_sched_domain(&d, cpu_map, attr, sd, i);
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sd = __build_mc_sched_domain(&d, cpu_map, attr, sd, i);
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#ifdef CONFIG_SCHED_SMT
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p = sd;
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sd = &per_cpu(cpu_domains, i).sd;
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SD_INIT(sd, SIBLING);
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set_domain_attribute(sd, attr);
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cpumask_and(sched_domain_span(sd),
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topology_thread_cpumask(i), cpu_map);
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sd->parent = p;
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p->child = sd;
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cpu_to_cpu_group(i, cpu_map, &sd->groups, d.tmpmask);
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#endif
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sd = __build_smt_sched_domain(&d, cpu_map, attr, sd, i);
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}
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#ifdef CONFIG_SCHED_SMT
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