diff options
| -rw-r--r-- | drivers/base/cpu.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 6fe41742997..e38dfed41d8 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -18,7 +18,7 @@ struct sysdev_class cpu_sysdev_class = { }; EXPORT_SYMBOL(cpu_sysdev_class); -static struct sys_device *cpu_sys_devices[NR_CPUS]; +static DEFINE_PER_CPU(struct sys_device *, cpu_sys_devices); #ifdef CONFIG_HOTPLUG_CPU static ssize_t show_online(struct sys_device *dev, char *buf) @@ -68,7 +68,7 @@ void unregister_cpu(struct cpu *cpu) sysdev_remove_file(&cpu->sysdev, &attr_online); sysdev_unregister(&cpu->sysdev); - cpu_sys_devices[logical_cpu] = NULL; + per_cpu(cpu_sys_devices, logical_cpu) = NULL; return; } #else /* ... !CONFIG_HOTPLUG_CPU */ @@ -167,7 +167,7 @@ int __cpuinit register_cpu(struct cpu *cpu, int num) if (!error && cpu->hotpluggable) register_cpu_control(cpu); if (!error) - cpu_sys_devices[num] = &cpu->sysdev; + per_cpu(cpu_sys_devices, num) = &cpu->sysdev; if (!error) register_cpu_under_node(num, cpu_to_node(num)); @@ -180,8 +180,8 @@ int __cpuinit register_cpu(struct cpu *cpu, int num) struct sys_device *get_cpu_sysdev(unsigned cpu) { - if (cpu < NR_CPUS) - return cpu_sys_devices[cpu]; + if (cpu < nr_cpu_ids && cpu_possible(cpu)) + return per_cpu(cpu_sys_devices, cpu); else return NULL; } |