1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 0974fc0997b9..fd933b5465b6 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1189,6 +1189,7 @@ static void __init smp_cpu_index_default(void)
  */
 void __init native_smp_prepare_cpus(unsigned int max_cpus)
 {
+        preempt_disable();
         nmi_watchdog_default();
         smp_cpu_index_default();
         current_cpu_data = boot_cpu_data;
@@ -1205,7 +1206,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
         if (smp_sanity_check(max_cpus) < 0) {
                 printk(KERN_INFO "SMP disabled\n");
                 disable_smp();
-                return;
+                goto out;
         }
 
         preempt_disable();
@@ -1245,6 +1246,8 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
         printk(KERN_INFO "CPU%d: ", 0);
         print_cpu_info(&cpu_data(0));
         setup_boot_clock();
+out:
+        preempt_enable();
 }
 /*
  * Early setup to make printk work.