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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 20:04:39 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 20:04:39 (GMT)
commit7d3b56ba37a95f1f370f50258ed3954c304c524b (patch)
tree86102527b92f02450aa245f084ffb491c18d2e0a /drivers/acpi/processor_perflib.c
parent269b012321f2f1f8e4648c43a93bf432b42c6668 (diff)
parentab14398abd195af91a744c320a52a1bce814dd1e (diff)
downloadlinux-fsl-qoriq-7d3b56ba37a95f1f370f50258ed3954c304c524b.tar.xz
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/ ...
Diffstat (limited to 'drivers/acpi/processor_perflib.c')
-rw-r--r--drivers/acpi/processor_perflib.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 0d7b772..846e227 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);