diff --git a/[refs] b/[refs]
index db967a16ceb5..744731a24923 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 93632d1bf7447d445c6fc274c8931152f9412b56
+refs/heads/master: def6cfb70bab83c0094bc0cedd27c4eda563043e
diff --git a/trunk/arch/s390/kernel/smp.c b/trunk/arch/s390/kernel/smp.c
index 13052a4ed71d..006ed5016eb4 100644
--- a/trunk/arch/s390/kernel/smp.c
+++ b/trunk/arch/s390/kernel/smp.c
@@ -590,9 +590,8 @@ static int __init setup_possible_cpus(char *s)
 	int pcpus, cpu;
 
 	pcpus = simple_strtoul(s, NULL, 0);
-	cpu_possible_map = cpumask_of_cpu(0);
-	for (cpu = 1; cpu < pcpus && cpu < nr_cpu_ids; cpu++)
-		cpu_set(cpu, cpu_possible_map);
+	for (cpu = 0; cpu < pcpus && cpu < nr_cpu_ids; cpu++)
+		set_cpu_possible(cpu, true);
 	return 0;
 }
 early_param("possible_cpus", setup_possible_cpus);