diff options
Diffstat (limited to 'drivers/base/cpu.c')
-rw-r--r-- | drivers/base/cpu.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 3d48fc887ef4..8f9e264220d2 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -164,7 +164,24 @@ static ssize_t show_crash_notes_size(struct device *dev, return rc; } static DEVICE_ATTR(crash_notes_size, 0400, show_crash_notes_size, NULL); + +static struct attribute *crash_note_cpu_attrs[] = { + &dev_attr_crash_notes.attr, + &dev_attr_crash_notes_size.attr, + NULL +}; + +static struct attribute_group crash_note_cpu_attr_group = { + .attrs = crash_note_cpu_attrs, +}; +#endif + +static const struct attribute_group *common_cpu_attr_groups[] = { +#ifdef CONFIG_KEXEC + &crash_note_cpu_attr_group, #endif + NULL +}; /* * Print cpu online, possible, present, and system maps @@ -280,6 +297,7 @@ int __cpuinit register_cpu(struct cpu *cpu, int num) #ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE cpu->dev.bus->uevent = arch_cpu_uevent; #endif + cpu->dev.groups = common_cpu_attr_groups; error = device_register(&cpu->dev); if (!error && cpu->hotpluggable) register_cpu_control(cpu); @@ -288,13 +306,6 @@ int __cpuinit register_cpu(struct cpu *cpu, int num) if (!error) register_cpu_under_node(num, cpu_to_node(num)); -#ifdef CONFIG_KEXEC - if (!error) - error = device_create_file(&cpu->dev, &dev_attr_crash_notes); - if (!error) - error = device_create_file(&cpu->dev, - &dev_attr_crash_notes_size); -#endif return error; } |