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Diffstat (limited to 'arch/x86/kernel/topology.c')
-rw-r--r--arch/x86/kernel/topology.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index 0fcc95a354f7..7e4515957a1c 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -25,10 +25,10 @@
*
* Send feedback to <colpatch@us.ibm.com>
*/
-#include <linux/init.h>
-#include <linux/smp.h>
#include <linux/nodemask.h>
#include <linux/mmzone.h>
+#include <linux/init.h>
+#include <linux/smp.h>
#include <asm/cpu.h>
static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);
@@ -47,6 +47,7 @@ int __ref arch_register_cpu(int num)
*/
if (num)
per_cpu(cpu_devices, num).cpu.hotpluggable = 1;
+
return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
}
EXPORT_SYMBOL(arch_register_cpu);
@@ -56,12 +57,13 @@ void arch_unregister_cpu(int num)
unregister_cpu(&per_cpu(cpu_devices, num).cpu);
}
EXPORT_SYMBOL(arch_unregister_cpu);
-#else
+#else /* CONFIG_HOTPLUG_CPU */
+
static int __init arch_register_cpu(int num)
{
return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
}
-#endif /*CONFIG_HOTPLUG_CPU*/
+#endif /* CONFIG_HOTPLUG_CPU */
static int __init topology_init(void)
{
@@ -70,11 +72,11 @@ static int __init topology_init(void)
#ifdef CONFIG_NUMA
for_each_online_node(i)
register_one_node(i);
-#endif /* CONFIG_NUMA */
+#endif
for_each_present_cpu(i)
arch_register_cpu(i);
+
return 0;
}
-
subsys_initcall(topology_init);