[PATCH 1/2] irqdesc: Add function to identify percpu_devid irqs

Julien Thierry julien.thierry at arm.com
Fri Oct 13 04:25:12 PDT 2017



On 13/10/17 11:52, Marc Zyngier wrote:
> Hi Julien,
> 
> On 13/10/17 11:44, Julien Thierry wrote:
>> Signed-off-by: Julien Thierry <julien.thierry at arm.com>
>> Cc: Thomas Gleixner <tglx at linutronix.de>
>> Cc: Marc Zyngier <marc.zyngier at arm.com>
>> ---
>>   include/linux/irqdesc.h | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
>> index 3e90a09..93960cf 100644
>> --- a/include/linux/irqdesc.h
>> +++ b/include/linux/irqdesc.h
>> @@ -244,6 +244,14 @@ static inline int irq_is_percpu(unsigned int irq)
>>   	return desc->status_use_accessors & IRQ_PER_CPU;
>>   }
>>
>> +static inline int irq_is_percpu_devid(unsigned int irq)
>> +{
>> +	struct irq_desc *desc;
>> +
>> +	desc = irq_to_desc(irq);
>> +	return desc->status_use_accessors & IRQ_PER_CPU_DEVID;
>> +}
>> +
>>   static inline void
>>   irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class)
>>   {
>> --
>> 1.9.1
>>
> 
> Please write a proper commit message (for example explaining why
> irq_is_percpu is not necessarily the right thing). A cover letter also
> wouldn't hurt (that's pretty much customary if you send more than a
> single patch).
> 

Sorry, I'll do that.

Cheers,

-- 
Julien Thierry



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