cpumask: Replace cpu_coregroup_map with cpu_coregroup_mask

cpu_coregroup_map returned a cpumask_t: it's going away.

(Note, the sched part of this patch won't apply meaningfully to the
sched tree, but I'm posting it to show the goal).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ingo Molnar <mingo@redhat.com>

diff --git a/block/blk.h b/block/blk.h
index d2e49af..6e1ed40 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -99,8 +99,8 @@ static inline int queue_congestion_off_threshold(struct request_queue *q)
 static inline int blk_cpu_to_group(int cpu)
 {
 #ifdef CONFIG_SCHED_MC
-       cpumask_t mask = cpu_coregroup_map(cpu);
-       return first_cpu(mask);
+       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));
 #else

diff --git a/kernel/sched.c b/kernel/sched.c
index d2d16d1..4292923 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7119,7 +7119,7 @@ cpu_to_phys_group(int cpu, const cpumask_t *cpu_map, struct sched_group **sg,
 {
        int group;
 #ifdef CONFIG_SCHED_MC
-       *mask = cpu_coregroup_map(cpu);
+       *mask = *cpu_coregroup_mask(cpu);
        cpus_and(*mask, *mask, *cpu_map);
        group = first_cpu(*mask);
 #elif defined(CONFIG_SCHED_SMT)
@@ -7485,7 +7485,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
                sd = &per_cpu(core_domains, i);
                SD_INIT(sd, MC);
                set_domain_attribute(sd, attr);
-               sd->span = cpu_coregroup_map(i);
+               sd->span = *cpu_coregroup_mask(i);
                cpus_and(sd->span, sd->span, *cpu_map);
                sd->parent = p;
                p->child = sd;
@@ -7528,7 +7528,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
                SCHED_CPUMASK_VAR(this_core_map, allmasks);
                SCHED_CPUMASK_VAR(send_covered, allmasks);
 
-               *this_core_map = cpu_coregroup_map(i);
+               *this_core_map = *cpu_coregroup_mask(i);
                cpus_and(*this_core_map, *this_core_map, *cpu_map);
                if (i != first_cpu(*this_core_map))
                        continue;