[PATCH] x86: fix section mismatch warning in topology.c

[Sam Ravnborg]

Fix following warning:
WARNING: arch/x86/kernel/built-in.o(__ksymtab+0x2b0): Section mismatch: reference to .cpuinit.text:arch_register_cpu in '__ksymtab_arch_register_cpu'

Annotating exported symbols are wrong.
Previously the warning were hidden by avoiding the export
in the non HOTPLUG_CPU case but the improved checks in
modpost caught it anyway.
Fix it by removing the __cpuinit annotation and rearrange the
code a bit to save one ifdef/endif pair.

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
---
 arch/x86/kernel/topology.c |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index a0d1719..78cbb65 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -33,7 +33,8 @@
 
 static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);
 
-int __cpuinit arch_register_cpu(int num)
+#ifdef CONFIG_HOTPLUG_CPU
+int arch_register_cpu(int num)
 {
 	/*
 	 * CPU0 cannot be offlined due to several
@@ -44,21 +45,23 @@ int __cpuinit arch_register_cpu(int num)
 	 * Also certain PCI quirks require not to enable hotplug control
 	 * for all CPU's.
 	 */
-#ifdef CONFIG_HOTPLUG_CPU
 	if (num)
 		per_cpu(cpu_devices, num).cpu.hotpluggable = 1;
-#endif
-
 	return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
 }
+EXPORT_SYMBOL(arch_register_cpu);
 
-#ifdef CONFIG_HOTPLUG_CPU
 void arch_unregister_cpu(int num)
 {
 	return unregister_cpu(&per_cpu(cpu_devices, num).cpu);
 }
-EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
+#else
+int arch_register_cpu(int num)
+{
+	return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
+}
+EXPORT_SYMBOL(arch_register_cpu);
 #endif /*CONFIG_HOTPLUG_CPU*/
 
 static int __init topology_init(void)
-- 
1.5.4.rc3.14.g44397

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