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cpu hotplug: topology: remove topology_dev_map

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By previous cpu hotplug notifier change, we don't need to track topology_dev
existence for each cpu by topology_dev_map.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2007-10-18 03:05:12 -07:00 committed by Linus Torvalds
parent a0d8cdb652
commit 9780e3e968
1 changed files with 1 additions and 10 deletions
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11
drivers/base/topology.c
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@ -94,27 +94,18 @@ static struct attribute_group topology_attr_group = {
.name = "topology" .name = "topology"
}; };
static cpumask_t topology_dev_map = CPU_MASK_NONE;
/* Add/Remove cpu_topology interface for CPU device */ /* Add/Remove cpu_topology interface for CPU device */
static int __cpuinit topology_add_dev(unsigned int cpu) static int __cpuinit topology_add_dev(unsigned int cpu)
{ {
int rc;
struct sys_device *sys_dev = get_cpu_sysdev(cpu); struct sys_device *sys_dev = get_cpu_sysdev(cpu);
rc = sysfs_create_group(&sys_dev->kobj, &topology_attr_group); return sysfs_create_group(&sys_dev->kobj, &topology_attr_group);
if (!rc)
cpu_set(cpu, topology_dev_map);
return rc;
} }
static void __cpuinit topology_remove_dev(unsigned int cpu) static void __cpuinit topology_remove_dev(unsigned int cpu)
{ {
struct sys_device *sys_dev = get_cpu_sysdev(cpu); struct sys_device *sys_dev = get_cpu_sysdev(cpu);
if (!cpu_isset(cpu, topology_dev_map))
return;
cpu_clear(cpu, topology_dev_map);
sysfs_remove_group(&sys_dev->kobj, &topology_attr_group); sysfs_remove_group(&sys_dev->kobj, &topology_attr_group);
} }