ia64/linux-2.6.18-xen.hg

view include/asm-sh64/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 #ifndef __ASM_SH64_CACHEFLUSH_H
2 #define __ASM_SH64_CACHEFLUSH_H
4 #ifndef __ASSEMBLY__
6 #include <asm/page.h>
8 struct vm_area_struct;
9 struct page;
10 struct mm_struct;
12 extern void flush_cache_all(void);
13 extern void flush_cache_mm(struct mm_struct *mm);
14 extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
15 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
16 unsigned long end);
17 extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
18 extern void flush_dcache_page(struct page *pg);
19 extern void flush_icache_range(unsigned long start, unsigned long end);
20 extern void flush_icache_user_range(struct vm_area_struct *vma,
21 struct page *page, unsigned long addr,
22 int len);
24 #define flush_dcache_mmap_lock(mapping) do { } while (0)
25 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
27 #define flush_cache_vmap(start, end) flush_cache_all()
28 #define flush_cache_vunmap(start, end) flush_cache_all()
30 #define flush_icache_page(vma, page) do { } while (0)
32 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
33 do { \
34 flush_cache_page(vma, vaddr, page_to_pfn(page));\
35 memcpy(dst, src, len); \
36 flush_icache_user_range(vma, page, vaddr, len); \
37 } while (0)
39 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
40 do { \
41 flush_cache_page(vma, vaddr, page_to_pfn(page));\
42 memcpy(dst, src, len); \
43 } while (0)
45 #endif /* __ASSEMBLY__ */
47 #endif /* __ASM_SH64_CACHEFLUSH_H */