From c8a180bdade5f85c323d2614c0c55e598ffbca43 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 12 May 2008 15:44:38 +0200
Subject: [PATCH] --- yaml --- r: 97609 b: refs/heads/master c:
 deef325086c3897393b8f7d6bccd03405244fe18 h: refs/heads/master i:   97607:
 0806917cfafb02c0804d04c973410f17a8ed3e84 v: v3

---
 [refs]                          | 2 +-
 trunk/arch/x86/kernel/smpboot.c | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 39f05370473d..78f94a9ddf91 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fb3bbd6a663fe972611676381adc4c60ddfe61ac
+refs/heads/master: deef325086c3897393b8f7d6bccd03405244fe18
diff --git a/trunk/arch/x86/kernel/smpboot.c b/trunk/arch/x86/kernel/smpboot.c
index 38988491c622..56078d61c793 100644
--- a/trunk/arch/x86/kernel/smpboot.c
+++ b/trunk/arch/x86/kernel/smpboot.c
@@ -1190,6 +1190,7 @@ 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;
@@ -1206,7 +1207,7 @@ 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();
@@ -1246,6 +1247,8 @@ 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.