ia64/linux-2.6.18-xen.hg

view include/asm-v850/irq.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * include/asm-v850/irq.h -- Machine interrupt handling
3 *
4 * Copyright (C) 2001,02,04 NEC Electronics Corporation
5 * Copyright (C) 2001,02,04 Miles Bader <miles@gnu.org>
6 *
7 * This file is subject to the terms and conditions of the GNU General
8 * Public License. See the file COPYING in the main directory of this
9 * archive for more details.
10 *
11 * Written by Miles Bader <miles@gnu.org>
12 */
14 #ifndef __V850_IRQ_H__
15 #define __V850_IRQ_H__
17 #include <asm/machdep.h>
19 /* Default NUM_MACH_IRQS. */
20 #ifndef NUM_MACH_IRQS
21 #define NUM_MACH_IRQS NUM_CPU_IRQS
22 #endif
24 /* NMIs have IRQ numbers from FIRST_NMI to FIRST_NMI+NUM_NMIS-1. */
25 #define FIRST_NMI NUM_MACH_IRQS
26 #define IRQ_NMI(n) (FIRST_NMI + (n))
27 /* v850 processors have 3 non-maskable interrupts. */
28 #define NUM_NMIS 3
30 /* Includes both maskable and non-maskable irqs. */
31 #define NR_IRQS (NUM_MACH_IRQS + NUM_NMIS)
34 #ifndef __ASSEMBLY__
36 struct pt_regs;
37 struct hw_interrupt_type;
38 struct irqaction;
40 #define irq_canonicalize(irq) (irq)
42 /* Initialize irq handling for IRQs.
43 BASE_IRQ, BASE_IRQ+INTERVAL, ..., BASE_IRQ+NUM*INTERVAL
44 to IRQ_TYPE. An IRQ_TYPE of 0 means to use a generic interrupt type. */
45 extern void
46 init_irq_handlers (int base_irq, int num, int interval,
47 struct hw_interrupt_type *irq_type);
49 typedef void (*irq_handler_t)(int irq, void *data, struct pt_regs *regs);
51 /* Handle interrupt IRQ. REGS are the registers at the time of ther
52 interrupt. */
53 extern unsigned int handle_irq (int irq, struct pt_regs *regs);
56 /* Enable interrupt handling on an irq. */
57 extern void enable_irq(unsigned int irq);
59 /* Disable an irq and wait for completion. */
60 extern void disable_irq (unsigned int irq);
62 /* Disable an irq without waiting. */
63 extern void disable_irq_nosync (unsigned int irq);
65 #endif /* !__ASSEMBLY__ */
67 #endif /* __V850_IRQ_H__ */