Messages in this thread Patch in this message |  | | Date | Tue, 3 Dec 2013 11:27:01 +0000 | From | Will Deacon <> | Subject | Re: [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
|  |