4 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
6 * IRQ/IPI changes taken from work by Thomas Radke
7 * <tomsoft@informatik.tu-chemnitz.de>
10 #include <asm/apicdef.h>
11 #include <asm/irq_vectors.h>
13 static inline int irq_canonicalize(int irq)
15 return ((irq == 2) ? 9 : irq);
18 #ifdef CONFIG_X86_LOCAL_APIC
19 # define ARCH_HAS_NMI_WATCHDOG
22 #ifdef CONFIG_4KSTACKS
23 extern void irq_ctx_init(int cpu);
24 extern void irq_ctx_exit(int cpu);
25 # define __ARCH_HAS_DO_SOFTIRQ
27 # define irq_ctx_init(cpu) do { } while (0)
28 # define irq_ctx_exit(cpu) do { } while (0)
30 # define __ARCH_HAS_DO_SOFTIRQ
34 #ifdef CONFIG_IRQBALANCE
35 extern int irqbalance_disable(char *str);
38 #ifdef CONFIG_HOTPLUG_CPU
39 #include <linux/cpumask.h>
40 extern void fixup_irqs(cpumask_t map);
43 extern unsigned int do_IRQ(struct pt_regs *regs);
44 extern void init_IRQ(void);
45 extern void native_init_IRQ(void);
47 /* Interrupt vector management */
48 extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
50 #endif /* ASM_X86__IRQ_H */