#include <linux/sysdev.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/sched.h>
#include <linux/cpu.h>
#include <linux/topology.h>
#include <linux/device.h>
+#include <linux/node.h>
#include "base.h"
{
sysdev_create_file(&cpu->sysdev, &attr_online);
}
-void unregister_cpu(struct cpu *cpu, struct node *root)
+void unregister_cpu(struct cpu *cpu)
{
int logical_cpu = cpu->sysdev.id;
- if (root)
- sysfs_remove_link(&root->sysdev.kobj,
- kobject_name(&cpu->sysdev.kobj));
+ unregister_cpu_under_node(logical_cpu, cpu_to_node(logical_cpu));
+
sysdev_remove_file(&cpu->sysdev, &attr_online);
sysdev_unregister(&cpu->sysdev);
/*
* register_cpu - Setup a driverfs device for a CPU.
- * @cpu - Callers can set the cpu->no_control field to 1, to indicate not to
- * generate a control file in sysfs for this CPU.
+ * @cpu - cpu->hotpluggable field set to 1 will generate a control file in
+ * sysfs for this CPU.
* @num - CPU number to use when creating the device.
*
* Initialize and register the CPU device.
*/
-int __devinit register_cpu(struct cpu *cpu, int num, struct node *root)
+int __devinit register_cpu(struct cpu *cpu, int num)
{
int error;
-
cpu->node_id = cpu_to_node(num);
cpu->sysdev.id = num;
cpu->sysdev.cls = &cpu_sysdev_class;
error = sysdev_register(&cpu->sysdev);
- if (!error && root)
- error = sysfs_create_link(&root->sysdev.kobj,
- &cpu->sysdev.kobj,
- kobject_name(&cpu->sysdev.kobj));
- if (!error && !cpu->no_control)
+
+ if (!error && cpu->hotpluggable)
register_cpu_control(cpu);
if (!error)
cpu_sys_devices[num] = &cpu->sysdev;
+ if (!error)
+ register_cpu_under_node(num, cpu_to_node(num));
#ifdef CONFIG_KEXEC
if (!error)
int __init cpu_dev_init(void)
{
- return sysdev_class_register(&cpu_sysdev_class);
+ int err;
+
+ err = sysdev_class_register(&cpu_sysdev_class);
+#if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
+ if (!err)
+ err = sched_create_sysfs_power_savings_entries(&cpu_sysdev_class);
+#endif
+
+ return err;
}