5 * linux/include/asm/irq.h
7 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
9 * IRQ/IPI changes taken from work by Thomas Radke
10 * <tomsoft@informatik.tu-chemnitz.de>
13 #include <linux/sched.h>
14 /* include comes from machine specific directory */
15 #include "irq_vectors.h"
16 #include <asm/thread_info.h>
18 static inline int irq_canonicalize(int irq)
20 return ((irq == 2) ? 9 : irq);
23 #ifdef CONFIG_X86_LOCAL_APIC
24 # define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */
27 #ifdef CONFIG_4KSTACKS
28 extern void irq_ctx_init(int cpu);
29 extern void irq_ctx_exit(int cpu);
30 # define __ARCH_HAS_DO_SOFTIRQ
32 # define irq_ctx_init(cpu) do { } while (0)
33 # define irq_ctx_exit(cpu) do { } while (0)
36 #ifdef CONFIG_IRQBALANCE
37 extern int irqbalance_disable(char *str);
40 #ifdef CONFIG_HOTPLUG_CPU
41 extern void fixup_irqs(cpumask_t map);
44 unsigned int do_IRQ(struct pt_regs *regs);
46 void __init native_init_IRQ(void);
48 /* Interrupt vector management */
49 extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
51 #endif /* _ASM_IRQ_H */