linux-kernel - [PATCH] powernow-k8: Fix section mismatch

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Message-ID: <20100525152858.GA24836@aftab>
Date:	Tue, 25 May 2010 17:28:58 +0200
From:	Borislav Petkov <borislav.petkov@....com>
To:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	LKML <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: [PATCH] powernow-k8: Fix section mismatch

Fix the following warning:

"WARNING: arch/x86/kernel/built-in.o(.exit.text+0x72):
Section mismatch in reference from the function powernowk8_exit() to the variable .cpuinit.data:cpb_nb

The function __exit powernowk8_exit() references a variable
__cpuinitdata cpb_nb. This is often seen when error handling in the exit
function uses functionality in the init path. The fix is often to remove
the __cpuinitdata annotation of cpb_nb so it may be used outside an init
section."

Cc: <stable@...nel.org>
Reported-by: H. Peter Anvin <hpa@...or.com>
Signed-off-by: Borislav Petkov <borislav.petkov@....com>
---
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 6f3dc8f..7ec2123 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1497,8 +1497,8 @@ static struct cpufreq_driver cpufreq_amd64_driver = {
  * simply keep the boost-disable flag in sync with the current global
  * state.
  */
-static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action,
-				void *hcpu)
+static int cpb_notify(struct notifier_block *nb, unsigned long action,
+		      void *hcpu)
 {
 	unsigned cpu = (long)hcpu;
 	u32 lo, hi;
@@ -1528,7 +1528,7 @@ static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action,
 	return NOTIFY_OK;
 }
 
-static struct notifier_block __cpuinitdata cpb_nb = {
+static struct notifier_block cpb_nb = {
 	.notifier_call		= cpb_notify,
 };
 
-- 
1.7.0


-- 
Regards/Gruss,
Boris.

Operating Systems Research Center
Advanced Micro Devices, Inc.

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