diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h
index 2faf7a0..5d0f756 100644
--- a/arch/sparc/include/asm/irq.h
+++ b/arch/sparc/include/asm/irq.h
@@ -32,4 +32,7 @@
 /* Sets the PIL to oldLevel */
 extern void intUnlock(int oldLevel);
 
+/* Return non-zero if interrupts are currently enabled */
+extern int interrupt_is_enabled(void);
+
 #endif