linux-kernel - [PATCH 4/4] cpumask: Replace cpu_coregroup_map with cpu_coregroup

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Date:	Mon, 1 Dec 2008 16:47:41 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	linux-kernel@...r.kernel.org
Cc:	Ingo Molnar <mingo@...hat.com>
Subject: [PATCH 4/4] cpumask: Replace cpu_coregroup_map with cpu_coregroup_map()

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@...tcorp.com.au>
Signed-off-by: Mike Travis <travis@....com>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: Ingo Molnar <mingo@...hat.com>
---
 block/blk.h    |    4 ++--
 kernel/sched.c |    6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/block/blk.h b/block/blk.h
--- a/block/blk.h
+++ b/block/blk.h
@@ -99,8 +99,8 @@ static inline int blk_cpu_to_group(int c
 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
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7116,7 +7116,7 @@ cpu_to_phys_group(int cpu, const cpumask
 {
 	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)
@@ -7482,7 +7482,7 @@ static int __build_sched_domains(const c
 		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;
@@ -7525,7 +7525,7 @@ static int __build_sched_domains(const c
 		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;


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