From 80682b84270b6704ace1028975d1f26fb9cf1c98 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Sat, 10 Dec 2005 18:41:50 -0800
Subject: [PATCH] --- yaml --- r: 14989 b: refs/heads/master c:
 ef969434005e772218c0b8086539804605070fa8 h: refs/heads/master i:   14987:
 de4002b4c1e78c4bcb6426d01946e00bdb04084c v: v3

---
 [refs]                      | 2 +-
 trunk/arch/ppc/kernel/smp.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 489ff6939229..e8281ad11e30 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b39f9485e6cfe1bf21b18b60fd8c631a72a1304d
+refs/heads/master: ef969434005e772218c0b8086539804605070fa8
diff --git a/trunk/arch/ppc/kernel/smp.c b/trunk/arch/ppc/kernel/smp.c
index 43b8fc2ca591..becbfa397556 100644
--- a/trunk/arch/ppc/kernel/smp.c
+++ b/trunk/arch/ppc/kernel/smp.c
@@ -301,6 +301,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 
 	/* Probe platform for CPUs: always linear. */
 	num_cpus = smp_ops->probe();
+	
+	if (num_cpus < 2)
+		smp_tb_synchronized = 1;
+	
 	for (i = 0; i < num_cpus; ++i)
 		cpu_set(i, cpu_possible_map);