diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | 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 a0d1719bda7..78cbb655aa7 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) |