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Commit 9780e3e9 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
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cpu hotplug: topology: remove topology_dev_map 



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

Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a0d8cdb6

drivers/base/topology.c

+1 −10
Original line number Diff line number Diff line
@@ -94,27 +94,18 @@ static struct attribute_group topology_attr_group = { 
	.name = "topology"

};



static cpumask_t topology_dev_map = CPU_MASK_NONE;



/* Add/Remove cpu_topology interface for CPU device */

static int __cpuinit topology_add_dev(unsigned int cpu)

{

	int rc;

	struct sys_device *sys_dev = get_cpu_sysdev(cpu);



	rc = sysfs_create_group(&sys_dev->kobj, &topology_attr_group);

	if (!rc)

		cpu_set(cpu, topology_dev_map);

	return rc;

	return sysfs_create_group(&sys_dev->kobj, &topology_attr_group);

}



static void __cpuinit topology_remove_dev(unsigned int 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);

}