1 files changed, 4 insertions, 1 deletions

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 19090f7d4f51..c0cd255fddbd 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -794,7 +794,10 @@ static int __init topology_init(void)
         int ret;
 
         for_each_possible_cpu(cpu) {
-                ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu);
+                struct cpu *c = &per_cpu(cpu_devices, cpu);
+
+                c->hotpluggable = 1;
+                ret = register_cpu(c, cpu);
                 if (ret)
                         printk(KERN_WARNING "topology_init: register_cpu %d "
                                "failed (%d)\n", cpu, ret);