cpumask: Use accessors code.: s390

Impact: use new API

Use the accessors rather than frobbing bits directly.  Most of this is
in arch code I haven't even compiled, but is straightforward.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
---
 arch/s390/kernel/smp.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- linux-2.6.28.orig/arch/s390/kernel/smp.c
+++ linux-2.6.28/arch/s390/kernel/smp.c
@@ -732,9 +732,8 @@ static int __init setup_possible_cpus(ch
 	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);