linux-kernel - [PATCH 06/27] cpu: fix section mismatch warning in unregister_cpu

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Date:	Sun, 17 Feb 2008 13:22:43 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Sam Ravnborg <sam@...nborg.org>, Gautham R Shenoy <ego@...ibm.com>
Subject: [PATCH 06/27] cpu: fix section mismatch warning in unregister_cpu_notifier

Fix following warning:
WARNING: vmlinux.o(.text+0x75f4e): Section mismatch in reference from the function unregister_cpu_notifier() to the variable .cpuinit.data:cpu_chain

We know that unregister_cpu_notifier is using HOTPLUG_CPU
stuff - so ignore these references.
Annotating unregister_cpu_notifier had been another option
but this caused far more warnings since not all callers were
annotated __cpuinit.

Signed-off-by: Sam Ravnborg <sam@...nborg.org>
Cc: Gautham R Shenoy <ego@...ibm.com>
---
 kernel/cpu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 2eff3f6..cdebf33 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -149,7 +149,7 @@ int __cpuinit register_cpu_notifier(struct notifier_block *nb)
 
 EXPORT_SYMBOL(register_cpu_notifier);
 
-void unregister_cpu_notifier(struct notifier_block *nb)
+void __ref unregister_cpu_notifier(struct notifier_block *nb)
 {
 	cpu_maps_update_begin();
 	raw_notifier_chain_unregister(&cpu_chain, nb);
-- 
1.5.4.rc3.14.g44397

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