>> diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
>> index 6345294..5f6a573 100644
>> --- a/drivers/base/cpu.c
>> +++ b/drivers/base/cpu.c
>> @@ -330,4 +330,6 @@ void __init cpu_dev_init(void)
>> panic("Failed to register CPU subsystem");
>>
>> cpu_dev_register_generic();
>> +
>> + create_sysfs_sched_policy_group(cpu_subsys.dev_root);
>
> Are you sure you didn't just race with userspace, creating the sysfs
> files after the device was created and announced to userspace?
Sorry for don't fully get you. Is the sysfs announced to userspace
just in 'mount -t sysfs sysfs /sys'?
The old powersaving interface: sched_smt_power_savings also
created here. and cpu_dev_init was called early before do_initcalls
which cpuidle/cpufreq sysfs were initialized.
Do you mean this line need to init as core_initcall?
Thanks for comments! :)
>
> If so, you need to fix this :)
>
> thanks,
>
> greg k-h
>
--
Thanks
Alex
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