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-rw-r--r--arch/x86/kernel/process.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 156f8758..25e28087 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -325,7 +325,7 @@ void stop_this_cpu(void *dummy)
/*
* Remove this CPU:
*/
- cpu_clear(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), false);
disable_local_APIC();
for (;;) {
@@ -475,12 +475,13 @@ static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c)
return 1;
}
-static cpumask_t c1e_mask = CPU_MASK_NONE;
+static cpumask_var_t c1e_mask;
static int c1e_detected;
void c1e_remove_cpu(int cpu)
{
- cpu_clear(cpu, c1e_mask);
+ if (c1e_mask != NULL)
+ cpumask_clear_cpu(cpu, c1e_mask);
}
/*
@@ -509,8 +510,8 @@ static void c1e_idle(void)
if (c1e_detected) {
int cpu = smp_processor_id();
- if (!cpu_isset(cpu, c1e_mask)) {
- cpu_set(cpu, c1e_mask);
+ if (!cpumask_test_cpu(cpu, c1e_mask)) {
+ cpumask_set_cpu(cpu, c1e_mask);
/*
* Force broadcast so ACPI can not interfere. Needs
* to run with interrupts enabled as it uses
@@ -562,6 +563,15 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
pm_idle = default_idle;
}
+void __init init_c1e_mask(void)
+{
+ /* If we're using c1e_idle, we need to allocate c1e_mask. */
+ if (pm_idle == c1e_idle) {
+ alloc_cpumask_var(&c1e_mask, GFP_KERNEL);
+ cpumask_clear(c1e_mask);
+ }
+}
+
static int __init idle_setup(char *str)
{
if (!str)
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