diff -purN -X /home/mbligh/.diff.exclude 270-aiofix2/arch/i386/Kconfig 272-config_irqbal/arch/i386/Kconfig
--- 270-aiofix2/arch/i386/Kconfig	2003-12-11 17:16:14.000000000 -0800
+++ 272-config_irqbal/arch/i386/Kconfig	2003-12-11 17:16:26.000000000 -0800
@@ -889,6 +889,14 @@ config	1000HZ
 	bool "1000 Hz"
 endchoice
 
+config IRQBALANCE
+ 	bool "Enable kernel irq balancing"
+	depends on SMP
+	default y
+	help
+ 	  The defalut yes will allow the kernel to do irq load balancing.  
+	  Saying no will keep the kernel from doing irq load balancing. 	
+
 config HAVE_DEC_LOCK
 	bool
 	depends on (SMP || PREEMPT) && X86_CMPXCHG
diff -purN -X /home/mbligh/.diff.exclude 270-aiofix2/arch/i386/kernel/io_apic.c 272-config_irqbal/arch/i386/kernel/io_apic.c
--- 270-aiofix2/arch/i386/kernel/io_apic.c	2003-10-27 10:41:08.000000000 -0800
+++ 272-config_irqbal/arch/i386/kernel/io_apic.c	2003-12-11 17:16:26.000000000 -0800
@@ -272,7 +272,7 @@ static void set_ioapic_affinity(unsigned
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
-#if defined(CONFIG_SMP)
+#if defined(CONFIG_IRQBALANCE) 
 # include <asm/processor.h>	/* kernel_thread() */
 # include <linux/kernel_stat.h>	/* kstat */
 # include <linux/slab.h>		/* kmalloc() */
@@ -670,8 +670,6 @@ static int __init irqbalance_disable(cha
 
 __setup("noirqbalance", irqbalance_disable);
 
-static void set_ioapic_affinity(unsigned int irq, cpumask_t mask);
-
 static inline void move_irq(int irq)
 {
 	/* note - we hold the desc->lock */
@@ -683,9 +681,11 @@ static inline void move_irq(int irq)
 
 __initcall(balanced_irq_init);
 
-#else /* !SMP */
+#else /* !CONFIG_IRQBALANCE */
 static inline void move_irq(int irq) { }
+#endif /* CONFIG_IRQBALANCE */
 
+#ifndef CONFIG_SMP
 void send_IPI_self(int vector)
 {
 	unsigned int cfg;
@@ -700,7 +700,7 @@ void send_IPI_self(int vector)
 	 */
 	apic_write_around(APIC_ICR, cfg);
 }
-#endif /* defined(CONFIG_SMP) */
+#endif /* !CONFIG_SMP */
 
 
 /*