From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Thu, 18 Oct 2007 10:05:12 +0000 (-0700)
Subject: cpu hotplug: topology: remove topology_dev_map
X-Git-Tag: v2.6.24-rc1~408
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9780e3e968537db0ac8d5b4857bb38bc40217c01;p=linux.git

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: 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>
---

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 = {
 	.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);
 }