1#include <linux/cpu.h>
 2#include <linux/cpumask.h>
 3#include <linux/init.h>
 4#include <linux/node.h>
 5#include <linux/nodemask.h>
 6#include <linux/percpu.h>
 7
 8static DEFINE_PER_CPU(struct cpu, cpu_devices);
 9
10static int __init topology_init(void)
11{
12	int i, ret;
13
14#ifdef CONFIG_NUMA
15	for_each_online_node(i)
16		register_one_node(i);
17#endif /* CONFIG_NUMA */
18
19	for_each_present_cpu(i) {
20		struct cpu *c = &per_cpu(cpu_devices, i);
21
22		c->hotpluggable = 1;
23		ret = register_cpu(c, i);
24		if (ret)
25			printk(KERN_WARNING "topology_init: register_cpu %d "
26			       "failed (%d)\n", i, ret);
27	}
28
29	return 0;
30}
31
32subsys_initcall(topology_init);

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/cpu.h>
 3#include <linux/cpumask.h>
 4#include <linux/init.h>
 5#include <linux/node.h>
 6#include <linux/nodemask.h>
 7#include <linux/percpu.h>
 8
 9static DEFINE_PER_CPU(struct cpu, cpu_devices);
10
11static int __init topology_init(void)
12{
13	int i, ret;
14
 
 
 
 
 
15	for_each_present_cpu(i) {
16		struct cpu *c = &per_cpu(cpu_devices, i);
17
18		c->hotpluggable = !!i;
19		ret = register_cpu(c, i);
20		if (ret)
21			printk(KERN_WARNING "topology_init: register_cpu %d "
22			       "failed (%d)\n", i, ret);
23	}
24
25	return 0;
26}
27
28subsys_initcall(topology_init);