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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-27 12:50:54 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-27 12:50:54 +0300 |
| commit | 4944dd62de21230af039eda7cd218e9a09021d11 (patch) | |
| tree | bac70f7bab8506c7e1b0408bacbdb0b1d77262e9 /arch/x86/include/asm/irq.h | |
| parent | f17845e5d97ead8fbdadfd40039e058ec7cf4a42 (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
| download | linux-4944dd62de21230af039eda7cd218e9a09021d11.tar.xz | |
Merge commit 'v2.6.28-rc2' into tracing/urgent
Diffstat (limited to 'arch/x86/include/asm/irq.h')
| -rw-r--r-- | arch/x86/include/asm/irq.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h new file mode 100644 index 000000000000..bae0eda95486 --- /dev/null +++ b/arch/x86/include/asm/irq.h @@ -0,0 +1,50 @@ +#ifndef _ASM_X86_IRQ_H +#define _ASM_X86_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 <asm/apicdef.h> +#include <asm/irq_vectors.h> + +static inline int irq_canonicalize(int irq) +{ + return ((irq == 2) ? 9 : irq); +} + +#ifdef CONFIG_X86_LOCAL_APIC +# define ARCH_HAS_NMI_WATCHDOG +#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) +# ifdef CONFIG_X86_64 +# define __ARCH_HAS_DO_SOFTIRQ +# endif +#endif + +#ifdef CONFIG_IRQBALANCE +extern int irqbalance_disable(char *str); +#endif + +#ifdef CONFIG_HOTPLUG_CPU +#include <linux/cpumask.h> +extern void fixup_irqs(cpumask_t map); +#endif + +extern unsigned int do_IRQ(struct pt_regs *regs); +extern void init_IRQ(void); +extern void native_init_IRQ(void); + +/* Interrupt vector management */ +extern DECLARE_BITMAP(used_vectors, NR_VECTORS); + +#endif /* _ASM_X86_IRQ_H */ |