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Commit 83b19597 authored by Mike Travis's avatar Mike Travis
Browse files

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: default avatarRusty Russell <rusty@rustcorp.com.au>
Signed-off-by: default avatarMike Travis <travis@sgi.com>
parent e4d98207

arch/x86/include/asm/topology.h

+2 −0
Original line number Diff line number Diff line
@@ -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