x86: Introduce topology_core_cpumask()/topology_thread_cpumask()

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/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index ff386ff..79e31e9 100644 (file)
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -226,6 +226,8 @@ extern cpumask_t cpu_coregroup_map(int cpu);
 #define topology_core_id(cpu)                  (cpu_data(cpu).cpu_core_id)
 #define topology_core_siblings(cpu)            (per_cpu(cpu_core_map, cpu))
 #define topology_thread_siblings(cpu)          (per_cpu(cpu_sibling_map, cpu))
+#define topology_core_cpumask(cpu)             (&per_cpu(cpu_core_map, cpu))
+#define topology_thread_cpumask(cpu)           (&per_cpu(cpu_sibling_map, cpu))
 
 /* indicates that pointers to the topology cpumask_t maps are valid */
 #define arch_provides_topology_pointers                yes