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Diffstat (limited to 'arch/x86/kernel/topology.c')
-rw-r--r--arch/x86/kernel/topology.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index a0d1719bda79..78cbb655aa79 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)