Index: kernel/arch/amd64/include/interrupt.h
===================================================================
--- kernel/arch/amd64/include/interrupt.h	(revision 2d03471012eecc600496d9c6cdf98367c17d7784)
+++ kernel/arch/amd64/include/interrupt.h	(revision 5b8016d235197748543b24787bd15cf1ba6864fb)
@@ -112,5 +112,5 @@
 extern void (* eoi_function)(void);
 
-extern void decode_istate(int n, istate_t *istate);
+extern void decode_istate(istate_t *istate);
 extern void interrupt_init(void);
 extern void trap_virtual_enable_irqs(uint16_t irqmask);