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[PATCH] Fix modular cpuid.ko

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With recent change, if CONFIG_HOTPLUG_CPU is disabled,
register_cpu_notifier() is not exported.  And it breaked moduler msr/cpuid
(msr.c was already fixed).

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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
OGAWA Hirofumi 2006-07-03 17:32:20 -07:00 committed by Linus Torvalds
parent 912b2539e1
commit b6a7c79a52
1 changed files with 4 additions and 2 deletions
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6
arch/i386/kernel/cpuid.c
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@ -167,6 +167,7 @@ static int cpuid_class_device_create(int i)
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 __cpuinitdata cpuid_class_cpu_notifier =
{
.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);