*** linux/arch/i386/kernel/io_apic.c.orig	Tue Oct  9 21:11:10 2001
--- linux/arch/i386/kernel/io_apic.c	Tue Oct  9 21:13:03 2001
***************
*** 1248,1261 ****
  	ack_APIC_irq();
  
  	if (!(v & (1 << (i & 0x1f)))) {
  #ifdef APIC_MISMATCH_DEBUG
  		atomic_inc(&irq_mis_count);
  #endif
  		spin_lock(&ioapic_lock);
  		__mask_and_edge_IO_APIC_irq(irq);
  #ifdef APIC_LOCKUP_DEBUG
! 		for (;;) {
! 			struct irq_pin_list *entry = irq_2_pin + irq;
  			unsigned int reg;
  
  			if (entry->pin == -1)
--- 1248,1264 ----
  	ack_APIC_irq();
  
  	if (!(v & (1 << (i & 0x1f)))) {
+ #ifdef APIC_LOCKUP_DEBUG
+ 		struct irq_pin_list *entry;
+ #endif
+ 
  #ifdef APIC_MISMATCH_DEBUG
  		atomic_inc(&irq_mis_count);
  #endif
  		spin_lock(&ioapic_lock);
  		__mask_and_edge_IO_APIC_irq(irq);
  #ifdef APIC_LOCKUP_DEBUG
! 		for (entry = irq_2_pin + irq;;) {
  			unsigned int reg;
  
  			if (entry->pin == -1)