Messages in this thread Patch in this message | | | Date | Wed, 3 Jun 2009 16:29:08 +0200 | From | Andreas Herrmann <> | Subject | [PATCH 1/5] topology: introduce cpu_node information for multi-node processors |
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New topology attributes are - cpu_node_id (id of the internal node) - cpu_node_siblings and cpu_node_siblings_list (siblings on the same internal node)
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> --- drivers/base/topology.c | 10 ++++++++++ include/linux/topology.h | 9 +++++++++ 2 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/drivers/base/topology.c b/drivers/base/topology.c index bf6b132..1e35a43 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -103,6 +103,9 @@ static ssize_t show_##name##_list(struct sys_device *dev, \ define_id_show_func(physical_package_id); define_one_ro(physical_package_id); +define_id_show_func(cpu_node_id); +define_one_ro(cpu_node_id); + define_id_show_func(core_id); define_one_ro(core_id); @@ -110,6 +113,10 @@ define_siblings_show_func(thread_cpumask); define_one_ro_named(thread_siblings, show_thread_cpumask); define_one_ro_named(thread_siblings_list, show_thread_cpumask_list); +define_siblings_show_func(cpu_node_cpumask); +define_one_ro_named(cpu_node_siblings, show_cpu_node_cpumask); +define_one_ro_named(cpu_node_siblings_list, show_cpu_node_cpumask_list); + define_siblings_show_func(core_cpumask); define_one_ro_named(core_siblings, show_core_cpumask); define_one_ro_named(core_siblings_list, show_core_cpumask_list); @@ -119,6 +126,9 @@ static struct attribute *default_attrs[] = { &attr_core_id.attr, &attr_thread_siblings.attr, &attr_thread_siblings_list.attr, + &attr_cpu_node_id.attr, + &attr_cpu_node_siblings.attr, + &attr_cpu_node_siblings_list.attr, &attr_core_siblings.attr, &attr_core_siblings_list.attr, NULL diff --git a/include/linux/topology.h b/include/linux/topology.h index 7402c1a..976a130 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -180,6 +180,9 @@ int arch_update_cpu_topology(void); #ifndef topology_physical_package_id #define topology_physical_package_id(cpu) ((void)(cpu), -1) #endif +#ifndef topology_cpu_node_id +#define topology_cpu_node_id(cpu) ((void)(cpu), 0) +#endif #ifndef topology_core_id #define topology_core_id(cpu) ((void)(cpu), 0) #endif @@ -189,12 +192,18 @@ int arch_update_cpu_topology(void); #ifndef topology_core_siblings #define topology_core_siblings(cpu) cpumask_of_cpu(cpu) #endif +#ifndef topology_cpu_node_siblings +#define topology_cpu_node_siblings(cpu) topology_core_siblings(cpu) +#endif #ifndef topology_thread_cpumask #define topology_thread_cpumask(cpu) cpumask_of(cpu) #endif #ifndef topology_core_cpumask #define topology_core_cpumask(cpu) cpumask_of(cpu) #endif +#ifndef topology_cpu_node_cpumask +#define topology_cpu_node_cpumask(cpu) topology_core_cpumask(cpu) +#endif /* Returns the number of the current Node. */ #ifndef numa_node_id -- 1.6.3.1
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