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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-23 01:55:20 -0400
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/irq.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
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.h50
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 @@
1#ifndef ASM_X86__IRQ_H
2#define ASM_X86__IRQ_H
3/*
4 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
5 *
6 * IRQ/IPI changes taken from work by Thomas Radke
7 * <tomsoft@informatik.tu-chemnitz.de>
8 */
9
10#include <asm/apicdef.h>
11#include <asm/irq_vectors.h>
12
13static inline int irq_canonicalize(int irq)
14{
15 return ((irq == 2) ? 9 : irq);
16}
17
18#ifdef CONFIG_X86_LOCAL_APIC
19# define ARCH_HAS_NMI_WATCHDOG
20#endif
21
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
26#else
27# define irq_ctx_init(cpu) do { } while (0)
28# define irq_ctx_exit(cpu) do { } while (0)
29# ifdef CONFIG_X86_64
30# define __ARCH_HAS_DO_SOFTIRQ
31# endif
32#endif
33
34#ifdef CONFIG_IRQBALANCE
35extern int irqbalance_disable(char *str);
36#endif
37
38#ifdef CONFIG_HOTPLUG_CPU
39#include <linux/cpumask.h>
40extern void fixup_irqs(cpumask_t map);
41#endif
42
43extern unsigned int do_IRQ(struct pt_regs *regs);
44extern void init_IRQ(void);
45extern void native_init_IRQ(void);
46
47/* Interrupt vector management */
48extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
49
50#endif /* ASM_X86__IRQ_H */