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Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index f0ea6fa2f53..f08998278a3 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -458,11 +458,6 @@ static int centrino_verify (struct cpufreq_policy *policy)
*
* Sets a new CPUFreq policy.
*/
-struct allmasks {
- cpumask_t saved_mask;
- cpumask_t covered_cpus;
-};
-
static int centrino_target (struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
@@ -472,12 +467,15 @@ static int centrino_target (struct cpufreq_policy *policy,
struct cpufreq_freqs freqs;
int retval = 0;
unsigned int j, k, first_cpu, tmp;
- CPUMASK_ALLOC(allmasks);
- CPUMASK_PTR(saved_mask, allmasks);
- CPUMASK_PTR(covered_cpus, allmasks);
+ cpumask_var_t saved_mask, covered_cpus;
- if (unlikely(allmasks == NULL))
+ if (unlikely(!alloc_cpumask_var(&saved_mask, GFP_KERNEL)))
return -ENOMEM;
+ if (unlikely(!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))) {
+ free_cpumask_var(saved_mask);
+ return -ENOMEM;
+ }
+ cpumask_copy(saved_mask, &current->cpus_allowed);
if (unlikely(per_cpu(centrino_model, cpu) == NULL)) {
retval = -ENODEV;
@@ -493,11 +491,9 @@ static int centrino_target (struct cpufreq_policy *policy,
goto out;
}
- *saved_mask = current->cpus_allowed;
first_cpu = 1;
- cpus_clear(*covered_cpus);
- for_each_cpu_mask_nr(j, policy->cpus) {
- const cpumask_t *mask;
+ for_each_cpu(j, policy->cpus) {
+ const struct cpumask *mask;
/* cpufreq holds the hotplug lock, so we are safe here */
if (!cpu_online(j))
@@ -508,9 +504,9 @@ static int centrino_target (struct cpufreq_policy *policy,
* Make sure we are running on CPU that wants to change freq
*/
if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
- mask = &policy->cpus;
+ mask = policy->cpus;
else
- mask = &cpumask_of_cpu(j);
+ mask = cpumask_of(j);
set_cpus_allowed_ptr(current, mask);
preempt_disable();
@@ -542,7 +538,7 @@ static int centrino_target (struct cpufreq_policy *policy,
dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
target_freq, freqs.old, freqs.new, msr);
- for_each_cpu_mask_nr(k, policy->cpus) {
+ for_each_cpu(k, policy->cpus) {
if (!cpu_online(k))
continue;
freqs.cpu = k;
@@ -567,7 +563,7 @@ static int centrino_target (struct cpufreq_policy *policy,
preempt_enable();
}
- for_each_cpu_mask_nr(k, policy->cpus) {
+ for_each_cpu(k, policy->cpus) {
if (!cpu_online(k))
continue;
freqs.cpu = k;
@@ -590,7 +586,7 @@ static int centrino_target (struct cpufreq_policy *policy,
tmp = freqs.new;
freqs.new = freqs.old;
freqs.old = tmp;
- for_each_cpu_mask_nr(j, policy->cpus) {
+ for_each_cpu(j, policy->cpus) {
if (!cpu_online(j))
continue;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
@@ -605,7 +601,8 @@ migrate_end:
preempt_enable();
set_cpus_allowed_ptr(current, saved_mask);
out:
- CPUMASK_FREE(allmasks);
+ free_cpumask_var(saved_mask);
+ free_cpumask_var(covered_cpus);
return retval;
}