Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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
27int __deprecated_for_modules change_page_attr(struct page *page, int numpages,
28 pgprot_t prot);
29
30int set_pages_uc(struct page *page, int numpages);
31int set_pages_wb(struct page *page, int numpages);
32int set_pages_x(struct page *page, int numpages);
33int set_pages_nx(struct page *page, int numpages);
34int set_pages_ro(struct page *page, int numpages);
35int set_pages_rw(struct page *page, int numpages);
36
37int set_memory_uc(unsigned long addr, int numpages);
38int set_memory_wb(unsigned long addr, int numpages);
39int set_memory_x(unsigned long addr, int numpages);
40int set_memory_nx(unsigned long addr, int numpages);
41int set_memory_ro(unsigned long addr, int numpages);
42int set_memory_rw(unsigned long addr, int numpages);
43int set_memory_np(unsigned long addr, int numpages);
44
45void clflush_cache_range(void *addr, unsigned int size);
46
47void cpa_init(void);
48
49#ifdef CONFIG_DEBUG_RODATA
50void mark_rodata_ro(void);
51extern const int rodata_test_data;
52#endif
53
54#ifdef CONFIG_DEBUG_RODATA_TEST
55int rodata_test(void);
56#else
57static inline int rodata_test(void)
58{
59 return 0;
60}
61#endif
62
63#endif