|  | #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/config.h> | 
|  | #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 | 
|  |  | 
|  | #endif /* _ASM_IRQ_H */ |