Commit b6a7c79a authored by OGAWA Hirofumi's avatar OGAWA Hirofumi Committed by Linus Torvalds
Browse files

[PATCH] Fix modular cpuid.ko



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: default avatarOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 912b2539
......@@ -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);
......
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