[patch 04/30] genirq: Provide irq_get_effective_affinity()

Provide an accessor to the effective interrupt affinity mask. Going to be used to replace open coded fiddling with the irq descriptor.

Signed-off-by: Thomas Gleixner tglx@linutronix.de --- include/linux/irq.h | 7 +++++++ 1 file changed, 7 insertions(+)

--- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -907,6 +907,13 @@ struct cpumask *irq_data_get_effective_a } #endif

+static inline struct cpumask *irq_get_effective_affinity_mask(unsigned int irq) +{ + struct irq_data *d = irq_get_irq_data(irq); + + return d ? irq_data_get_effective_affinity_mask(d) : NULL; +} + unsigned int arch_dynirq_lower_bound(unsigned int from);

int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,