#include "base.h"
struct sysdev_class cpu_sysdev_class = {
- set_kset_name("cpu"),
+ .name = "cpu",
};
EXPORT_SYMBOL(cpu_sysdev_class);
return sprintf(buf, "%u\n", !!cpu_online(cpu->sysdev.id));
}
-static ssize_t store_online(struct sys_device *dev, const char *buf,
+static ssize_t __ref store_online(struct sys_device *dev, const char *buf,
size_t count)
{
struct cpu *cpu = container_of(dev, struct cpu, sysdev);
}
static SYSDEV_ATTR(online, 0644, show_online, store_online);
-static void __devinit register_cpu_control(struct cpu *cpu)
+static void __cpuinit register_cpu_control(struct cpu *cpu)
{
sysdev_create_file(&cpu->sysdev, &attr_online);
}
static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL);
#endif
+/*
+ * Print cpu online, possible, present, and system maps
+ */
+static ssize_t print_cpus_map(char *buf, cpumask_t *map)
+{
+ int n = cpulist_scnprintf(buf, PAGE_SIZE-2, *map);
+
+ buf[n++] = '\n';
+ buf[n] = '\0';
+ return n;
+}
+
+#define print_cpus_func(type) \
+static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf) \
+{ \
+ return print_cpus_map(buf, &cpu_##type##_map); \
+} \
+struct sysdev_class_attribute attr_##type##_map = \
+ _SYSDEV_CLASS_ATTR(type, 0444, print_cpus_##type, NULL)
+
+print_cpus_func(online);
+print_cpus_func(possible);
+print_cpus_func(present);
+
+struct sysdev_class_attribute *cpu_state_attr[] = {
+ &attr_online_map,
+ &attr_possible_map,
+ &attr_present_map,
+};
+
+static int cpu_states_init(void)
+{
+ int i;
+ int err = 0;
+
+ for (i = 0; i < ARRAY_SIZE(cpu_state_attr); i++) {
+ int ret;
+ ret = sysdev_class_create_file(&cpu_sysdev_class,
+ cpu_state_attr[i]);
+ if (!err)
+ err = ret;
+ }
+ return err;
+}
+
/*
* register_cpu - Setup a sysfs device for a CPU.
* @cpu - cpu->hotpluggable field set to 1 will generate a control file in
*
* Initialize and register the CPU device.
*/
-int __devinit register_cpu(struct cpu *cpu, int num)
+int __cpuinit register_cpu(struct cpu *cpu, int num)
{
int error;
cpu->node_id = cpu_to_node(num);
int err;
err = sysdev_class_register(&cpu_sysdev_class);
+ if (!err)
+ err = cpu_states_init();
+
#if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
if (!err)
err = sched_create_sysfs_power_savings_entries(&cpu_sysdev_class);