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
);
19 extern void irq_ctx_init(int cpu
);
21 # define irq_ctx_init(cpu) do { } while (0)
24 #define __ARCH_HAS_DO_SOFTIRQ
26 #ifdef CONFIG_HOTPLUG_CPU
27 #include <linux/cpumask.h>
28 extern void fixup_irqs(void);
29 extern void irq_force_complete_move(int);
32 extern void (*x86_platform_ipi_callback
)(void);
33 extern void native_init_IRQ(void);
34 extern bool handle_irq(unsigned irq
, struct pt_regs
*regs
);
36 extern __visible
unsigned int do_IRQ(struct pt_regs
*regs
);
38 /* Interrupt vector management */
39 extern DECLARE_BITMAP(used_vectors
, NR_VECTORS
);
40 extern int vector_used_by_percpu_irq(unsigned int vector
);
42 extern void init_ISA_irqs(void);
44 #ifdef CONFIG_X86_LOCAL_APIC
45 void arch_trigger_all_cpu_backtrace(void);
46 #define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
49 #endif /* _ASM_X86_IRQ_H */