Re: [RFC PATCH v2 05/10] genirq: export irq_get_percpu_devid_partition to modules

From: Thomas Gleixner
Date: Mon Jan 16 2017 - 04:07:30 EST


On Fri, 13 Jan 2017, Will Deacon wrote:

> Any modular driver using cluster-affine PPIs needs to be able to call
> irq_get_percpu_devid_partition so that it can enable the IRQ on the
> correct subset of CPUs.
>
> This patch exports the symbol so that it can be called from within a
> module.
>
> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
> ---
> kernel/irq/irqdesc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
> index 00bb0aeea1d0..1e6ae73eae59 100644
> --- a/kernel/irq/irqdesc.c
> +++ b/kernel/irq/irqdesc.c
> @@ -856,6 +856,7 @@ int irq_get_percpu_devid_partition(unsigned int irq, struct cpumask *affinity)
>
> return 0;
> }
> +EXPORT_SYMBOL_GPL(irq_get_percpu_devid_partition);

Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>