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-rw-r--r--include/asm-x86/cacheflush.h43
1 files changed, 39 insertions, 4 deletions
diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h
index e2df3b55034a..b3d43de44c59 100644
--- a/include/asm-x86/cacheflush.h
+++ b/include/asm-x86/cacheflush.h
@@ -1,5 +1,40 @@
1#ifdef CONFIG_X86_32 1#ifndef _ASM_X86_CACHEFLUSH_H
2# include "cacheflush_32.h" 2#define _ASM_X86_CACHEFLUSH_H
3#else 3
4# include "cacheflush_64.h" 4/* Keep includes the same across arches. */
5#include <linux/mm.h>
6
7/* Caches aren't brain-dead on the intel. */
8#define flush_cache_all() do { } while (0)
9#define flush_cache_mm(mm) do { } while (0)
10#define flush_cache_dup_mm(mm) do { } while (0)
11#define flush_cache_range(vma, start, end) do { } while (0)
12#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
13#define flush_dcache_page(page) do { } while (0)
14#define flush_dcache_mmap_lock(mapping) do { } while (0)
15#define flush_dcache_mmap_unlock(mapping) do { } while (0)
16#define flush_icache_range(start, end) do { } while (0)
17#define flush_icache_page(vma,pg) do { } while (0)
18#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
19#define flush_cache_vmap(start, end) do { } while (0)
20#define flush_cache_vunmap(start, end) do { } while (0)
21
22#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
23 memcpy(dst, src, len)
24#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
25 memcpy(dst, src, len)
26
27void global_flush_tlb(void);
28int change_page_attr(struct page *page, int numpages, pgprot_t prot);
29int change_page_attr_addr(unsigned long addr, int numpages, pgprot_t prot);
30
31#ifdef CONFIG_DEBUG_PAGEALLOC
32/* internal debugging function */
33void kernel_map_pages(struct page *page, int numpages, int enable);
34#endif
35
36#ifdef CONFIG_DEBUG_RODATA
37void mark_rodata_ro(void);
38#endif
39
5#endif 40#endif