diff options
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c')
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c | 35 |
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, ¤t->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; } |