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-rw-r--r--include/linux/irq.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index f04ba20712a..60f8bc78a35 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -221,6 +221,17 @@ extern void note_interrupt(unsigned int irq, irq_desc_t *desc,
extern int can_request_irq(unsigned int irq, unsigned long irqflags);
extern void init_irq_proc(void);
+
+#ifdef CONFIG_AUTO_IRQ_AFFINITY
+extern int select_smp_affinity(unsigned int irq);
+#else
+static inline int
+select_smp_affinity(unsigned int irq)
+{
+ return 1;
+}
+#endif
+
#endif
extern hw_irq_controller no_irq_type; /* needed in every arch ? */