diff options
| -rw-r--r-- | arch/ppc/kernel/smp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index 43b8fc2ca59..becbfa39755 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); |