arch/mips/kernel/topology.c

   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
   9 static DEFINE_PER_CPU(struct cpu, cpu_devices);
  10
  11 static 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
  28 subsys_initcall(topology_init);