3 files changed, 20 insertions, 19 deletions

diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index fea0af0476b9..a962dcb9c408 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -67,7 +67,8 @@ struct acpi_cpufreq_data {
         unsigned int cpu_feature;
 };
 
-static struct acpi_cpufreq_data *drv_data[NR_CPUS];
+static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data);
+
 /* acpi_perf_data is a pointer to percpu data. */
 static struct acpi_processor_performance *acpi_perf_data;
 
@@ -218,14 +219,14 @@ static u32 get_cur_val(cpumask_t mask)
         if (unlikely(cpus_empty(mask)))
                 return 0;
 
-        switch (drv_data[first_cpu(mask)]->cpu_feature) {
+        switch (per_cpu(drv_data, first_cpu(mask))->cpu_feature) {
         case SYSTEM_INTEL_MSR_CAPABLE:
                 cmd.type = SYSTEM_INTEL_MSR_CAPABLE;
                 cmd.addr.msr.reg = MSR_IA32_PERF_STATUS;
                 break;
         case SYSTEM_IO_CAPABLE:
                 cmd.type = SYSTEM_IO_CAPABLE;
-                perf = drv_data[first_cpu(mask)]->acpi_data;
+                perf = per_cpu(drv_data, first_cpu(mask))->acpi_data;
                 cmd.addr.io.port = perf->control_register.address;
                 cmd.addr.io.bit_width = perf->control_register.bit_width;
                 break;
@@ -325,7 +326,7 @@ static unsigned int get_measured_perf(unsigned int cpu)
 
 #endif
 
-        retval = drv_data[cpu]->max_freq * perf_percent / 100;
+        retval = per_cpu(drv_data, cpu)->max_freq * perf_percent / 100;
 
         put_cpu();
         set_cpus_allowed(current, saved_mask);
@@ -336,7 +337,7 @@ static unsigned int get_measured_perf(unsigned int cpu)
 
 static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
 {
-        struct acpi_cpufreq_data *data = drv_data[cpu];
+        struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu);
         unsigned int freq;
 
         dprintk("get_cur_freq_on_cpu (%d)\n", cpu);
@@ -370,7 +371,7 @@ static unsigned int check_freqs(cpumask_t mask, unsigned int freq,
 static int acpi_cpufreq_target(struct cpufreq_policy *policy,
                                unsigned int target_freq, unsigned int relation)
 {
-        struct acpi_cpufreq_data *data = drv_data[policy->cpu];
+        struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu);
         struct acpi_processor_performance *perf;
         struct cpufreq_freqs freqs;
         cpumask_t online_policy_cpus;
@@ -466,7 +467,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
 
 static int acpi_cpufreq_verify(struct cpufreq_policy *policy)
 {
-        struct acpi_cpufreq_data *data = drv_data[policy->cpu];
+        struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu);
 
         dprintk("acpi_cpufreq_verify\n");
 
@@ -570,7 +571,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
                 return -ENOMEM;
 
         data->acpi_data = percpu_ptr(acpi_perf_data, cpu);
-        drv_data[cpu] = data;
+        per_cpu(drv_data, cpu) = data;
 
         if (cpu_has(c, X86_FEATURE_CONSTANT_TSC))
                 acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
@@ -714,20 +715,20 @@ err_unreg:
         acpi_processor_unregister_performance(perf, cpu);
 err_free:
         kfree(data);
-        drv_data[cpu] = NULL;
+        per_cpu(drv_data, cpu) = NULL;
 
         return result;
 }
 
 static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy)
 {
-        struct acpi_cpufreq_data *data = drv_data[policy->cpu];
+        struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu);
 
         dprintk("acpi_cpufreq_cpu_exit\n");
 
         if (data) {
                 cpufreq_frequency_table_put_attr(policy->cpu);
-                drv_data[policy->cpu] = NULL;
+                per_cpu(drv_data, policy->cpu) = NULL;
                 acpi_processor_unregister_performance(data->acpi_data,
                                                       policy->cpu);
                 kfree(data);
@@ -738,7 +739,7 @@ static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy)
 
 static int acpi_cpufreq_resume(struct cpufreq_policy *policy)
 {
-        struct acpi_cpufreq_data *data = drv_data[policy->cpu];
+        struct acpi_cpufreq_data *data = per_cpu(drv_data, policy->cpu);
 
         dprintk("acpi_cpufreq_resume\n");
 
diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c
index 749d00cb2ebd..06fcce516d51 100644
--- a/arch/x86/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c
@@ -694,7 +694,7 @@ static acpi_status longhaul_walk_callback(acpi_handle obj_handle,
         if ( acpi_bus_get_device(obj_handle, &d) ) {
                 return 0;
         }
-        *return_value = (void *)acpi_driver_data(d);
+        *return_value = acpi_driver_data(d);
         return 1;
 }
 
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 99e1ef9939be..a0522735dd9d 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -52,7 +52,7 @@
 /* serialize freq changes  */
 static DEFINE_MUTEX(fidvid_mutex);
 
-static struct powernow_k8_data *powernow_data[NR_CPUS];
+static DEFINE_PER_CPU(struct powernow_k8_data *, powernow_data);
 
 static int cpu_family = CPU_OPTERON;
 
@@ -1018,7 +1018,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
 static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
 {
         cpumask_t oldmask = CPU_MASK_ALL;
-        struct powernow_k8_data *data = powernow_data[pol->cpu];
+        struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
         u32 checkfid;
         u32 checkvid;
         unsigned int newstate;
@@ -1094,7 +1094,7 @@ err_out:
 /* Driver entry point to verify the policy and range of frequencies */
 static int powernowk8_verify(struct cpufreq_policy *pol)
 {
-        struct powernow_k8_data *data = powernow_data[pol->cpu];
+        struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
 
         if (!data)
                 return -EINVAL;
@@ -1202,7 +1202,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
                 dprintk("cpu_init done, current fid 0x%x, vid 0x%x\n",
                         data->currfid, data->currvid);
 
-        powernow_data[pol->cpu] = data;
+        per_cpu(powernow_data, pol->cpu) = data;
 
         return 0;
 
@@ -1216,7 +1216,7 @@ err_out:
 
 static int __devexit powernowk8_cpu_exit (struct cpufreq_policy *pol)
 {
-        struct powernow_k8_data *data = powernow_data[pol->cpu];
+        struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
 
         if (!data)
                 return -EINVAL;
@@ -1237,7 +1237,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
         cpumask_t oldmask = current->cpus_allowed;
         unsigned int khz = 0;
 
-        data = powernow_data[first_cpu(per_cpu(cpu_core_map, cpu))];
+        data = per_cpu(powernow_data, first_cpu(per_cpu(cpu_core_map, cpu)));
 
         if (!data)
                 return -EINVAL;