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x86: Introduce topology_core_cpumask()/topology_thread_cpumask()

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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>
This commit is contained in:
Mike Travis 2008-12-16 17:34:06 -08:00
parent e4d98207ea
commit 83b19597f7
1 changed files with 2 additions and 0 deletions
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2
arch/x86/include/asm/topology.h
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@ -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