https://github.com/torvalds/linux
Raw File
Tip revision: 7e18e42e4b280c85b76967a9106a13ca61c16179 authored by Linus Torvalds on 04 September 2022, 20:10:01 UTC
Linux 6.0-rc4
Tip revision: 7e18e42
topology.c
// 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;

	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);
back to top