--- linux-2.5.21-vanilla/arch/i386/kernel/io_apic.c	Fri Jun 14 17:17:44 2002
+++ linux-2.5.21-patched/arch/i386/kernel/io_apic.c.fixed	Mon Jun 24 17:54:20 2002
@@ -247,7 +247,7 @@
 
 static inline void balance_irq(int irq)
 {
-#if CONFIG_SMP
+#if (CONFIG_SMP && !CONFIG_MULTIQUAD)
 	irq_balance_t *entry = irq_balance + irq;
 	unsigned long now = jiffies;