| #ifndef _ASM_IRQ_H | 
 | #define _ASM_IRQ_H | 
 |  | 
 | /* | 
 |  *	linux/include/asm/irq.h | 
 |  * | 
 |  *	(C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar | 
 |  * | 
 |  *	IRQ/IPI changes taken from work by Thomas Radke | 
 |  *	<tomsoft@informatik.tu-chemnitz.de> | 
 |  */ | 
 |  | 
 | #include <linux/sched.h> | 
 | /* include comes from machine specific directory */ | 
 | #include "irq_vectors.h" | 
 | #include <asm/thread_info.h> | 
 |  | 
 | static inline int irq_canonicalize(int irq) | 
 | { | 
 | 	return ((irq == 2) ? 9 : irq); | 
 | } | 
 |  | 
 | #ifdef CONFIG_X86_LOCAL_APIC | 
 | # define ARCH_HAS_NMI_WATCHDOG		/* See include/linux/nmi.h */ | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_4KSTACKS | 
 |   extern void irq_ctx_init(int cpu); | 
 |   extern void irq_ctx_exit(int cpu); | 
 | # define __ARCH_HAS_DO_SOFTIRQ | 
 | #else | 
 | # define irq_ctx_init(cpu) do { } while (0) | 
 | # define irq_ctx_exit(cpu) do { } while (0) | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_IRQBALANCE | 
 | extern int irqbalance_disable(char *str); | 
 | #endif | 
 |  | 
 | #ifdef CONFIG_HOTPLUG_CPU | 
 | extern void fixup_irqs(cpumask_t map); | 
 | #endif | 
 |  | 
 | unsigned int do_IRQ(struct pt_regs *regs); | 
 | void init_IRQ(void); | 
 | void __init native_init_IRQ(void); | 
 |  | 
 | /* Interrupt vector management */ | 
 | extern DECLARE_BITMAP(used_vectors, NR_VECTORS); | 
 |  | 
 | #endif /* _ASM_IRQ_H */ |