1 files changed, 20 insertions, 0 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index f8ab4ce70564..f1fc7470d26c 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -102,6 +102,25 @@ extern void disable_irq_nosync(unsigned int irq);
 extern void disable_irq(unsigned int irq);
 extern void enable_irq(unsigned int irq);
 
+#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
+
+extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask);
+extern int irq_can_set_affinity(unsigned int irq);
+
+#else /* CONFIG_SMP */
+
+static inline int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
+{
+        return -EINVAL;
+}
+
+static inline int irq_can_set_affinity(unsigned int irq)
+{
+        return 0;
+}
+
+#endif /* CONFIG_SMP && CONFIG_GENERIC_HARDIRQS */
+
 #ifdef CONFIG_GENERIC_HARDIRQS
 /*
  * Special lockdep variants of irq disabling/enabling.
@@ -270,6 +289,7 @@ struct softirq_action
 };
 
 asmlinkage void do_softirq(void);
+asmlinkage void __do_softirq(void);
 extern void open_softirq(int nr, void (*action)(struct softirq_action*), void *data);
 extern void softirq_init(void);
 #define __raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0)