Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index 43b8fc2ca591..becbfa397556 100644
--- a/arch/ppc/kernel/smp.c
+++ b/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);