ia64/linux-2.6.18-xen.hg

view include/asm-v850/cacheflush.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/cacheflush.h
3 *
4 * Copyright (C) 2001,02,03 NEC Electronics Corporation
5 * Copyright (C) 2001,02,03 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_CACHEFLUSH_H__
15 #define __V850_CACHEFLUSH_H__
17 /* Somebody depends on this; sigh... */
18 #include <linux/mm.h>
20 #include <asm/machdep.h>
23 /* The following are all used by the kernel in ways that only affect
24 systems with MMUs, so we don't need them. */
25 #define flush_cache_all() ((void)0)
26 #define flush_cache_mm(mm) ((void)0)
27 #define flush_cache_range(vma, start, end) ((void)0)
28 #define flush_cache_page(vma, vmaddr, pfn) ((void)0)
29 #define flush_dcache_page(page) ((void)0)
30 #define flush_dcache_mmap_lock(mapping) ((void)0)
31 #define flush_dcache_mmap_unlock(mapping) ((void)0)
32 #define flush_cache_vmap(start, end) ((void)0)
33 #define flush_cache_vunmap(start, end) ((void)0)
35 #ifdef CONFIG_NO_CACHE
37 /* Some systems have no cache at all, in which case we don't need these
38 either. */
39 #define flush_icache() ((void)0)
40 #define flush_icache_range(start, end) ((void)0)
41 #define flush_icache_page(vma,pg) ((void)0)
42 #define flush_icache_user_range(vma,pg,adr,len) ((void)0)
43 #define flush_cache_sigtramp(vaddr) ((void)0)
45 #else /* !CONFIG_NO_CACHE */
47 struct page;
48 struct mm_struct;
49 struct vm_area_struct;
51 /* Otherwise, somebody had better define them. */
52 extern void flush_icache (void);
53 extern void flush_icache_range (unsigned long start, unsigned long end);
54 extern void flush_icache_page (struct vm_area_struct *vma, struct page *page);
55 extern void flush_icache_user_range (struct vm_area_struct *vma,
56 struct page *page,
57 unsigned long adr, int len);
58 extern void flush_cache_sigtramp (unsigned long addr);
60 #endif /* CONFIG_NO_CACHE */
62 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
63 do { memcpy(dst, src, len); \
64 flush_icache_user_range(vma, page, vaddr, len); \
65 } while (0)
66 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
67 memcpy(dst, src, len)
69 #endif /* __V850_CACHEFLUSH_H__ */