From b6a7c79a52939513ef043d6eb9fcf12a056c010e Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Mon, 3 Jul 2006 17:32:20 -0700
Subject: [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: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
arch/i386/kernel/cpuid.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
(limited to 'arch')
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index a8d3ecdc38..fde8bea85c 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -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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