diff -r d6bd2ea3eeb3 -r 5ee91aa3f6c9 src/arch/x86/X86LocalApic.py
--- a/src/arch/x86/X86LocalApic.py	Mon Jan 10 14:38:59 2011 -0800
+++ b/src/arch/x86/X86LocalApic.py	Mon Jan 10 14:38:59 2011 -0800
@@ -34,3 +34,5 @@
     cxx_class = 'X86ISA::Interrupts'
     pio_latency = Param.Latency('1ns', 'Programmed IO latency in simticks')
     int_port = Port("Port for sending and receiving interrupt messages")
+    int_latency = Param.Latency('1ns', \
+            "Latency for an interrupt to propagate through this device.")
diff -r d6bd2ea3eeb3 -r 5ee91aa3f6c9 src/arch/x86/interrupts.cc
--- a/src/arch/x86/interrupts.cc	Mon Jan 10 14:38:59 2011 -0800
+++ b/src/arch/x86/interrupts.cc	Mon Jan 10 14:38:59 2011 -0800
@@ -595,7 +595,8 @@
 
 
 X86ISA::Interrupts::Interrupts(Params * p) :
-    BasicPioDevice(p), IntDev(this), latency(p->pio_latency), clock(0),
+    BasicPioDevice(p), IntDev(this, p->int_latency), latency(p->pio_latency), 
+    clock(0),
     apicTimerEvent(this),
     pendingSmi(false), smiVector(0),
     pendingNmi(false), nmiVector(0),