x86: use cpu_online()

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 66cd4af..9692202 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -411,12 +411,12 @@
 #ifdef CONFIG_X86_32
 	/* See if there has been given a command line override */
 	if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
-		cpu_isset(reboot_cpu, cpu_online_map))
+		cpu_online(reboot_cpu))
 		reboot_cpu_id = reboot_cpu;
 #endif
 
 	/* Make certain the cpu I'm about to reboot on is online */
-	if (!cpu_isset(reboot_cpu_id, cpu_online_map))
+	if (!cpu_online(reboot_cpu_id))
 		reboot_cpu_id = smp_processor_id();
 
 	/* Make certain I only run on the appropriate processor */