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Subject[PATCH] Fix moduler msr.ko/cpuid.ko
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Date
With recently change, if CONFIG_HOTPLUG_CPU is disabled,
register_cpu_notifier() is not exported. And it breaked moduler
msr.ko/cpuid.ko.

We need to use register_hotcpu_notifier() now in module, instead of
register_cpu_notifier().

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---

arch/i386/kernel/cpuid.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff -puN arch/i386/kernel/cpuid.c~register_cpu_notifier-export-fix arch/i386/kernel/cpuid.c
--- linux-2.6/arch/i386/kernel/cpuid.c~register_cpu_notifier-export-fix 2006-07-02 02:12:36.000000000 +0900
+++ linux-2.6-hirofumi/arch/i386/kernel/cpuid.c 2006-07-02 02:12:36.000000000 +0900
@@ -167,6 +167,7 @@ static int cpuid_class_device_create(int
return err;
}

+#ifdef CONFIG_HOTPLUG_CPU
static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
@@ -186,6 +187,7 @@ static struct notifier_block __cpuinitda
{
.notifier_call = cpuid_class_cpu_callback,
};
+#endif /* !CONFIG_HOTPLUG_CPU */

static int __init cpuid_init(void)
{
@@ -208,7 +210,7 @@ static int __init cpuid_init(void)
if (err != 0)
goto out_class;
}
- register_cpu_notifier(&cpuid_class_cpu_notifier);
+ register_hotcpu_notifier(&cpuid_class_cpu_notifier);

err = 0;
goto out;
@@ -233,7 +235,7 @@ static void __exit cpuid_exit(void)
class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu));
class_destroy(cpuid_class);
unregister_chrdev(CPUID_MAJOR, "cpu/cpuid");
- unregister_cpu_notifier(&cpuid_class_cpu_notifier);
+ unregister_hotcpu_notifier(&cpuid_class_cpu_notifier);
}

module_init(cpuid_init);
_
-
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