2 * arch/sh/kernel/topology.c
4 * Copyright (C) 2007 Paul Mundt
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
10 #include <linux/cpu.h>
11 #include <linux/cpumask.h>
12 #include <linux/init.h>
13 #include <linux/percpu.h>
14 #include <linux/node.h>
15 #include <linux/nodemask.h>
17 static DEFINE_PER_CPU(struct cpu, cpu_devices);
19 static int __init topology_init(void)
23 #ifdef CONFIG_NEED_MULTIPLE_NODES
24 for_each_online_node(i)
28 for_each_present_cpu(i) {
29 ret = register_cpu(&per_cpu(cpu_devices, i), i);
31 printk(KERN_WARNING "%s: register_cpu %d failed (%d)\n",
32 __FUNCTION__, i, ret);
35 #if defined(CONFIG_NUMA) && !defined(CONFIG_SMP)
37 * In the UP case, make sure the CPU association is still
38 * registered under each node. Without this, sysfs fails
39 * to make the connection between nodes other than node0
42 for_each_online_node(i)
43 if (i != numa_node_id())
44 register_cpu_under_node(raw_smp_processor_id(), i);
49 subsys_initcall(topology_init);