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b2bba72c TG |
1 | #ifndef _ASM_X86_CACHEFLUSH_H |
2 | #define _ASM_X86_CACHEFLUSH_H | |
3 | ||
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 | ||
e1271f68 AV |
27 | int __deprecated_for_modules change_page_attr(struct page *page, int numpages, |
28 | pgprot_t prot); | |
75cbade8 AV |
29 | |
30 | int set_pages_uc(struct page *page, int numpages); | |
31 | int set_pages_wb(struct page *page, int numpages); | |
32 | int set_pages_x(struct page *page, int numpages); | |
33 | int set_pages_nx(struct page *page, int numpages); | |
34 | int set_pages_ro(struct page *page, int numpages); | |
35 | int set_pages_rw(struct page *page, int numpages); | |
36 | ||
37 | int set_memory_uc(unsigned long addr, int numpages); | |
38 | int set_memory_wb(unsigned long addr, int numpages); | |
39 | int set_memory_x(unsigned long addr, int numpages); | |
40 | int set_memory_nx(unsigned long addr, int numpages); | |
41 | int set_memory_ro(unsigned long addr, int numpages); | |
42 | int set_memory_rw(unsigned long addr, int numpages); | |
f62d0f00 | 43 | int set_memory_np(unsigned long addr, int numpages); |
75cbade8 | 44 | |
4c61afcd | 45 | void clflush_cache_range(void *addr, unsigned int size); |
b2bba72c | 46 | |
b2bba72c TG |
47 | #ifdef CONFIG_DEBUG_RODATA |
48 | void mark_rodata_ro(void); | |
49 | #endif | |
edeed305 AV |
50 | #ifdef CONFIG_DEBUG_RODATA_TEST |
51 | void rodata_test(void); | |
52 | #else | |
53 | static inline void rodata_test(void) | |
54 | { | |
55 | } | |
56 | #endif | |
b2bba72c | 57 | |
96a388de | 58 | #endif |