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SubjectRe: [PATCH V6 1/2] genirq: Add an accessor for IRQ_PER_CPU flag
On Mon, Dec 02, 2013 at 09:34:02AM +0000, Vinayak Kale wrote:
> This patch adds an accessor function for IRQ_PER_CPU flag.
> The accessor function is useful to determine whether an IRQ is percpu or not.
>
> This patch is based on an older patch posted by Chris Smith here [1].
> There is a minor change w.r.t. Chris's original patch: The accessor function
> is renamed as 'irq_is_percpu' instead of 'irq_is_per_cpu'.
>
> [1]: http://lkml.indiana.edu/hypermail/linux/kernel/1207.3/02955.html
>
> Signed-off-by: Chris Smith <chris.smith@st.com>
> Signed-off-by: Vinayak Kale <vkale@apm.com>
> ---
> include/linux/irqdesc.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
> index 56fb646..26e2661 100644
> --- a/include/linux/irqdesc.h
> +++ b/include/linux/irqdesc.h
> @@ -152,6 +152,14 @@ static inline int irq_balancing_disabled(unsigned int irq)
> return desc->status_use_accessors & IRQ_NO_BALANCING_MASK;
> }
>
> +static inline int irq_is_percpu(unsigned int irq)
> +{
> + struct irq_desc *desc;
> +
> + desc = irq_to_desc(irq);
> + return desc->status_use_accessors & IRQ_PER_CPU;
> +}
> +
> static inline void
> irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class)
> {

Acked-by: Will Deacon <will.deacon@arm.com>

Will


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