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/config.h>
14 #include <linux/sched.h>
15 /* include comes from machine specific directory */
16 #include "irq_vectors.h"
17 #include <asm/thread_info.h>
19 static __inline__ int irq_canonicalize(int irq)
21 return ((irq == 2) ? 9 : irq);
24 #ifdef CONFIG_X86_LOCAL_APIC
25 # define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */
28 #ifdef CONFIG_4KSTACKS
29 extern void irq_ctx_init(int cpu);
30 extern void irq_ctx_exit(int cpu);
31 # define __ARCH_HAS_DO_SOFTIRQ
33 # define irq_ctx_init(cpu) do { } while (0)
34 # define irq_ctx_exit(cpu) do { } while (0)
37 #ifdef CONFIG_IRQBALANCE
38 extern int irqbalance_disable(char *str);
41 #ifdef CONFIG_HOTPLUG_CPU
42 extern void fixup_irqs(cpumask_t map);
45 #endif /* _ASM_IRQ_H */