Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (77 commits)
  x86: setup_per_cpu_areas() cleanup
  cpumask: fix compile error when CONFIG_NR_CPUS is not defined
  cpumask: use alloc_cpumask_var_node where appropriate
  cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_t
  x86: use cpumask_var_t in acpi/boot.c
  x86: cleanup some remaining usages of NR_CPUS where s/b nr_cpu_ids
  sched: put back some stack hog changes that were undone in kernel/sched.c
  x86: enable cpus display of kernel_max and offlined cpus
  ia64: cpumask fix for is_affinity_mask_valid()
  cpumask: convert RCU implementations, fix
  xtensa: define __fls
  mn10300: define __fls
  m32r: define __fls
  h8300: define __fls
  frv: define __fls
  cris: define __fls
  cpumask: CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
  cpumask: zero extra bits in alloc_cpumask_var_node
  cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/
  cpumask: convert mm/
  ...

1 files changed, 16 insertions, 12 deletions

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 0d7b772bef50..846e227592d4 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -588,12 +588,15 @@ int acpi_processor_preregister_performance(
         int count, count_target;
         int retval = 0;
         unsigned int i, j;
-        cpumask_t covered_cpus;
+        cpumask_var_t covered_cpus;
         struct acpi_processor *pr;
         struct acpi_psd_package *pdomain;
         struct acpi_processor *match_pr;
         struct acpi_psd_package *match_pdomain;
 
+        if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+                return -ENOMEM;
+
         mutex_lock(&performance_mutex);
 
         retval = 0;
@@ -617,7 +620,7 @@ int acpi_processor_preregister_performance(
                 }
 
                 pr->performance = percpu_ptr(performance, i);
-                cpu_set(i, pr->performance->shared_cpu_map);
+                cpumask_set_cpu(i, pr->performance->shared_cpu_map);
                 if (acpi_processor_get_psd(pr)) {
                         retval = -EINVAL;
                         continue;
@@ -650,18 +653,18 @@ int acpi_processor_preregister_performance(
                 }
         }
 
-        cpus_clear(covered_cpus);
+        cpumask_clear(covered_cpus);
         for_each_possible_cpu(i) {
                 pr = per_cpu(processors, i);
                 if (!pr)
                         continue;
 
-                if (cpu_isset(i, covered_cpus))
+                if (cpumask_test_cpu(i, covered_cpus))
                         continue;
 
                 pdomain = &(pr->performance->domain_info);
-                cpu_set(i, pr->performance->shared_cpu_map);
-                cpu_set(i, covered_cpus);
+                cpumask_set_cpu(i, pr->performance->shared_cpu_map);
+                cpumask_set_cpu(i, covered_cpus);
                 if (pdomain->num_processors <= 1)
                         continue;
 
@@ -699,8 +702,8 @@ int acpi_processor_preregister_performance(
                                 goto err_ret;
                         }
 
-                        cpu_set(j, covered_cpus);
-                        cpu_set(j, pr->performance->shared_cpu_map);
+                        cpumask_set_cpu(j, covered_cpus);
+                        cpumask_set_cpu(j, pr->performance->shared_cpu_map);
                         count++;
                 }
 
@@ -718,8 +721,8 @@ int acpi_processor_preregister_performance(
 
                         match_pr->performance->shared_type = 
                                         pr->performance->shared_type;
-                        match_pr->performance->shared_cpu_map =
-                                pr->performance->shared_cpu_map;
+                        cpumask_copy(match_pr->performance->shared_cpu_map,
+                                     pr->performance->shared_cpu_map);
                 }
         }
 
@@ -731,14 +734,15 @@ err_ret:
 
                 /* Assume no coordination on any error parsing domain info */
                 if (retval) {
-                        cpus_clear(pr->performance->shared_cpu_map);
-                        cpu_set(i, pr->performance->shared_cpu_map);
+                        cpumask_clear(pr->performance->shared_cpu_map);
+                        cpumask_set_cpu(i, pr->performance->shared_cpu_map);
                         pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
                 }
                 pr->performance = NULL; /* Will be set for real in register */
         }
 
         mutex_unlock(&performance_mutex);
+        free_cpumask_var(covered_cpus);
         return retval;
 }
 EXPORT_SYMBOL(acpi_processor_preregister_performance);