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path: root/drivers/base/topology.c
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Diffstat (limited to 'drivers/base/topology.c')
-rw-r--r--drivers/base/topology.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index 8d8cdfec6529..e1d3ad4db2f0 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -94,27 +94,18 @@ static struct attribute_group topology_attr_group = {
94 .name = "topology" 94 .name = "topology"
95}; 95};
96 96
97static cpumask_t topology_dev_map = CPU_MASK_NONE;
98
99/* Add/Remove cpu_topology interface for CPU device */ 97/* Add/Remove cpu_topology interface for CPU device */
100static int __cpuinit topology_add_dev(unsigned int cpu) 98static int __cpuinit topology_add_dev(unsigned int cpu)
101{ 99{
102 int rc;
103 struct sys_device *sys_dev = get_cpu_sysdev(cpu); 100 struct sys_device *sys_dev = get_cpu_sysdev(cpu);
104 101
105 rc = sysfs_create_group(&sys_dev->kobj, &topology_attr_group); 102 return sysfs_create_group(&sys_dev->kobj, &topology_attr_group);
106 if (!rc)
107 cpu_set(cpu, topology_dev_map);
108 return rc;
109} 103}
110 104
111static void __cpuinit topology_remove_dev(unsigned int cpu) 105static void __cpuinit topology_remove_dev(unsigned int cpu)
112{ 106{
113 struct sys_device *sys_dev = get_cpu_sysdev(cpu); 107 struct sys_device *sys_dev = get_cpu_sysdev(cpu);
114 108
115 if (!cpu_isset(cpu, topology_dev_map))
116 return;
117 cpu_clear(cpu, topology_dev_map);
118 sysfs_remove_group(&sys_dev->kobj, &topology_attr_group); 109 sysfs_remove_group(&sys_dev->kobj, &topology_attr_group);
119} 110}
120 111