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Subject[PATCH 2/2] x86, mce: Add a global MCE init helper
From a99c2033750588600bc8ff44dbe6d22c1a064238 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <borislav.petkov@amd.com>
Date: Tue, 13 Oct 2009 16:36:34 +0200
Subject: [PATCH 2/2] x86, mce: Add a global MCE init helper

Add an early pre-smp initcall for global MCE functionality setup.

Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
arch/x86/kernel/cpu/mcheck/mce.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index b4a5eca..3f7ac16 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1429,8 +1429,6 @@ void __cpuinit mcheck_cpu_init(struct cpuinfo_x86 *c)
__mcheck_cpu_init_timer();
INIT_WORK(&__get_cpu_var(mce_work), mce_process_work);

- if (raw_smp_processor_id() == 0)
- atomic_notifier_chain_register(&x86_mce_decoder_chain, &mce_dec_nb);
}

/*
@@ -1650,6 +1648,14 @@ static int __init mcheck_enable(char *str)
}
__setup("mce", mcheck_enable);

+static int __init mcheck_init(void)
+{
+ atomic_notifier_chain_register(&x86_mce_decoder_chain, &mce_dec_nb);
+
+ return 0;
+}
+early_initcall(mcheck_init);
+
/*
* Sysfs support
*/
--
1.6.4.3
--
Regards/Gruss,
Boris.

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