aboutsummaryrefslogtreecommitdiffstats
path: root/arch/i386/kernel/msr.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/kernel/msr.c')
-rw-r--r--arch/i386/kernel/msr.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index 7a328230e540..d535cdbbfd25 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -24,7 +24,6 @@
*/
#include <linux/module.h>
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/errno.h>
@@ -251,7 +250,9 @@ static int msr_class_device_create(int i)
return err;
}
-static int msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
+#ifdef CONFIG_HOTPLUG_CPU
+static int msr_class_cpu_callback(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
@@ -266,10 +267,11 @@ static int msr_class_cpu_callback(struct notifier_block *nfb, unsigned long acti
return NOTIFY_OK;
}
-static struct notifier_block msr_class_cpu_notifier =
+static struct notifier_block __cpuinitdata msr_class_cpu_notifier =
{
.notifier_call = msr_class_cpu_callback,
};
+#endif
static int __init msr_init(void)
{
@@ -292,7 +294,7 @@ static int __init msr_init(void)
if (err != 0)
goto out_class;
}
- register_cpu_notifier(&msr_class_cpu_notifier);
+ register_hotcpu_notifier(&msr_class_cpu_notifier);
err = 0;
goto out;
@@ -315,7 +317,7 @@ static void __exit msr_exit(void)
class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
class_destroy(msr_class);
unregister_chrdev(MSR_MAJOR, "cpu/msr");
- unregister_cpu_notifier(&msr_class_cpu_notifier);
+ unregister_hotcpu_notifier(&msr_class_cpu_notifier);
}
module_init(msr_init);