1 files changed, 12 insertions, 12 deletions

diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 720a7d1f8862..6723c8622828 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -95,8 +95,8 @@ cpumask_t cpu_sibling_map[NR_CPUS] __read_mostly;
 EXPORT_SYMBOL(cpu_sibling_map);
 
 /* representing HT and core siblings of each logical CPU */
-cpumask_t cpu_core_map[NR_CPUS] __read_mostly;
-EXPORT_SYMBOL(cpu_core_map);
+DEFINE_PER_CPU(cpumask_t, cpu_core_map);
+EXPORT_PER_CPU_SYMBOL(cpu_core_map);
 
 /*
  * Trampoline 80x86 program as an array.
@@ -243,7 +243,7 @@ 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 cpu_core_map[cpu];
+                return per_cpu(cpu_core_map, cpu);
         else
                 return c->llc_shared_map;
 }
@@ -264,8 +264,8 @@ static inline void set_cpu_sibling_map(int cpu)
                             c[cpu].cpu_core_id == c[i].cpu_core_id) {
                                 cpu_set(i, cpu_sibling_map[cpu]);
                                 cpu_set(cpu, cpu_sibling_map[i]);
-                                cpu_set(i, cpu_core_map[cpu]);
-                                cpu_set(cpu, cpu_core_map[i]);
+                                cpu_set(i, per_cpu(cpu_core_map, cpu));
+                                cpu_set(cpu, per_cpu(cpu_core_map, i));
                                 cpu_set(i, c[cpu].llc_shared_map);
                                 cpu_set(cpu, c[i].llc_shared_map);
                         }
@@ -277,7 +277,7 @@ static inline void set_cpu_sibling_map(int cpu)
         cpu_set(cpu, c[cpu].llc_shared_map);
 
         if (current_cpu_data.x86_max_cores == 1) {
-                cpu_core_map[cpu] = cpu_sibling_map[cpu];
+                per_cpu(cpu_core_map, cpu) = cpu_sibling_map[cpu];
                 c[cpu].booted_cores = 1;
                 return;
         }
@@ -289,8 +289,8 @@ static inline void set_cpu_sibling_map(int cpu)
                         cpu_set(cpu, c[i].llc_shared_map);
                 }
                 if (c[cpu].phys_proc_id == c[i].phys_proc_id) {
-                        cpu_set(i, cpu_core_map[cpu]);
-                        cpu_set(cpu, cpu_core_map[i]);
+                        cpu_set(i, per_cpu(cpu_core_map, cpu));
+                        cpu_set(cpu, per_cpu(cpu_core_map, i));
                         /*
                          *  Does this new cpu bringup a new core?
                          */
@@ -736,7 +736,7 @@ static __init void disable_smp(void)
         else
                 phys_cpu_present_map = physid_mask_of_physid(0);
         cpu_set(0, cpu_sibling_map[0]);
-        cpu_set(0, cpu_core_map[0]);
+        cpu_set(0, per_cpu(cpu_core_map, 0));
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -971,8 +971,8 @@ static void remove_siblinginfo(int cpu)
         int sibling;
         struct cpuinfo_x86 *c = cpu_data;
 
-        for_each_cpu_mask(sibling, cpu_core_map[cpu]) {
-                cpu_clear(cpu, cpu_core_map[sibling]);
+        for_each_cpu_mask(sibling, per_cpu(cpu_core_map, cpu)) {
+                cpu_clear(cpu, per_cpu(cpu_core_map, sibling));
                 /*
                  * last thread sibling in this cpu core going down
                  */
@@ -983,7 +983,7 @@ static void remove_siblinginfo(int cpu)
         for_each_cpu_mask(sibling, cpu_sibling_map[cpu])
                 cpu_clear(cpu, cpu_sibling_map[sibling]);
         cpus_clear(cpu_sibling_map[cpu]);
-        cpus_clear(cpu_core_map[cpu]);
+        cpus_clear(per_cpu(cpu_core_map, cpu));
         c[cpu].phys_proc_id = 0;
         c[cpu].cpu_core_id = 0;
         cpu_clear(cpu, cpu_sibling_setup_map);