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-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c25
-rw-r--r--arch/x86/kernel/cpu/cpufreq/longhaul.c2
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c12
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 fea0af0476b..a962dcb9c40 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 749d00cb2eb..06fcce516d5 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 99e1ef9939b..a0522735dd9 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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-20 01:41:03 +0000