[PATCH V3 1/2] genirq: Add an accessor for IRQ_PER_CPU flag
From: Vinayak Kale <hidden>
Date: 2013-11-18 13:23:10
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch adds an accessor function for IRQ_PER_CPU flag. The accessor function is useful to dertermine whether an IRQ is percpu or not. Signed-off-by: Vinayak Kale <redacted> --- 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) {
--
1.7.9.5