Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 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 | |
| 8 | static DEFINE_PER_CPU(struct cpu, cpu_devices); |
| 9 | |
| 10 | static 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 | |
| 32 | subsys_initcall(topology_init); |