File: topology.c

package info (click to toggle)
linux 5.10.28-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,142,388 kB
  • sloc: ansic: 19,494,753; asm: 263,677; sh: 73,927; makefile: 44,698; perl: 34,644; python: 32,383; cpp: 6,070; yacc: 4,755; lex: 2,742; awk: 1,214; ruby: 25; sed: 5
file content (33 lines) | stat: -rw-r--r-- 665 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
// SPDX-License-Identifier: GPL-2.0
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/node.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>

static DEFINE_PER_CPU(struct cpu, cpu_devices);

static int __init topology_init(void)
{
	int i, ret;

#ifdef CONFIG_NUMA
	for_each_online_node(i)
		register_one_node(i);
#endif /* CONFIG_NUMA */

	for_each_present_cpu(i) {
		struct cpu *c = &per_cpu(cpu_devices, i);

		c->hotpluggable = !!i;
		ret = register_cpu(c, i);
		if (ret)
			printk(KERN_WARNING "topology_init: register_cpu %d "
			       "failed (%d)\n", i, ret);
	}

	return 0;
}

subsys_initcall(topology_init);