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-rw-r--r--arch/x86/include/asm/topology.h1
-rw-r--r--arch/x86/kernel/smpboot.c11
2 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 45da5dc50fc..168203c0c31 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -231,6 +231,7 @@ static inline int node_to_first_cpu(int node)
#endif
extern cpumask_t cpu_coregroup_map(int cpu);
+extern const struct cpumask *cpu_coregroup_mask(int cpu);
#ifdef ENABLE_TOPO_DEFINES
#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 468c2f9d47a..d5274b6b088 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -497,7 +497,7 @@ void __cpuinit set_cpu_sibling_map(int cpu)
}
/* maps the cpu to the sched domain representing multi-core */
-cpumask_t cpu_coregroup_map(int cpu)
+const struct cpumask *cpu_coregroup_mask(int cpu)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
/*
@@ -505,9 +505,14 @@ cpumask_t cpu_coregroup_map(int cpu)
* And for power savings, we return cpu_core_map
*/
if (sched_mc_power_savings || sched_smt_power_savings)
- return per_cpu(cpu_core_map, cpu);
+ return &per_cpu(cpu_core_map, cpu);
else
- return c->llc_shared_map;
+ return &c->llc_shared_map;
+}
+
+cpumask_t cpu_coregroup_map(int cpu)
+{
+ return *cpu_coregroup_mask(cpu);
}
static void impress_friends(void)