diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-18 03:05:42 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 07:55:20 +0200 |
| commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
| tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/irq.h | |
| parent | x86, um: initial part of asm-um move (diff) | |
| download | linux-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz linux-bb8985586b7a906e116db835c64773b7a7d51663.zip | |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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..1e5f2909c1db --- /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 */ |