On 8/29/19 12:56 PM, Marcelo Tosatti wrote:
> Hi Joao,
> 
> On Wed, Aug 28, 2019 at 07:56:50PM +0100, Joao Martins wrote:
>> +static void haltpoll_uninit(void)
>> +{
>> +    unsigned int cpu;
>> +
>> +    cpus_read_lock();
>> +
>> +    for_each_online_cpu(cpu) {
>> +            struct cpuidle_device *dev =
>> +                    per_cpu_ptr(haltpoll_cpuidle_devices, cpu);
>> +
>> +            if (!dev->registered)
>> +                    continue;
>> +
>> +            arch_haltpoll_disable(cpu);
>> +            cpuidle_unregister_device(dev);
>> +    }
> 
> 1)
> 
>> +
>> +    cpuidle_unregister(&haltpoll_driver);
> 
> cpuidle_unregister_driver.

Will fix -- this was an oversight.

> 
>> +    free_percpu(haltpoll_cpuidle_devices);
>> +    haltpoll_cpuidle_devices = NULL;
>> +
>> +    cpus_read_unlock();
> 
> Any reason you can't cpus_read_unlock() at 1) ?
> 
No, let me adjust that too.

> Looks good otherwise.
> 
> Thanks!
> 
Thanks for the review!

        Joao

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