cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): powerpc

Impact: New API

The old topology_core_siblings() and topology_thread_siblings() return
a cpumask_t; these new ones return a (const) struct cpumask *.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index bcf25c2..236dae1 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -113,6 +113,8 @@
 
 #define topology_thread_siblings(cpu)	(per_cpu(cpu_sibling_map, cpu))
 #define topology_core_siblings(cpu)	(per_cpu(cpu_core_map, cpu))
+#define topology_thread_cpumask(cpu)	(&per_cpu(cpu_sibling_map, cpu))
+#define topology_core_cpumask(cpu)	(&per_cpu(cpu_core_map, cpu))
 #define topology_core_id(cpu)		(cpu_to_core_id(cpu))
 #endif
 #endif