cacheflush.h 2.1 KB

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  1. #ifndef _ASM_X86_CACHEFLUSH_H
  2. #define _ASM_X86_CACHEFLUSH_H
  3. /* Keep includes the same across arches. */
  4. #include <linux/mm.h>
  5. /* Caches aren't brain-dead on the intel. */
  6. #define flush_cache_all() do { } while (0)
  7. #define flush_cache_mm(mm) do { } while (0)
  8. #define flush_cache_dup_mm(mm) do { } while (0)
  9. #define flush_cache_range(vma, start, end) do { } while (0)
  10. #define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
  11. #define flush_dcache_page(page) do { } while (0)
  12. #define flush_dcache_mmap_lock(mapping) do { } while (0)
  13. #define flush_dcache_mmap_unlock(mapping) do { } while (0)
  14. #define flush_icache_range(start, end) do { } while (0)
  15. #define flush_icache_page(vma,pg) do { } while (0)
  16. #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
  17. #define flush_cache_vmap(start, end) do { } while (0)
  18. #define flush_cache_vunmap(start, end) do { } while (0)
  19. #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
  20. memcpy(dst, src, len)
  21. #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
  22. memcpy(dst, src, len)
  23. int __deprecated_for_modules change_page_attr(struct page *page, int numpages,
  24. pgprot_t prot);
  25. int set_pages_uc(struct page *page, int numpages);
  26. int set_pages_wb(struct page *page, int numpages);
  27. int set_pages_x(struct page *page, int numpages);
  28. int set_pages_nx(struct page *page, int numpages);
  29. int set_pages_ro(struct page *page, int numpages);
  30. int set_pages_rw(struct page *page, int numpages);
  31. int set_memory_uc(unsigned long addr, int numpages);
  32. int set_memory_wb(unsigned long addr, int numpages);
  33. int set_memory_x(unsigned long addr, int numpages);
  34. int set_memory_nx(unsigned long addr, int numpages);
  35. int set_memory_ro(unsigned long addr, int numpages);
  36. int set_memory_rw(unsigned long addr, int numpages);
  37. int set_memory_np(unsigned long addr, int numpages);
  38. void clflush_cache_range(void *addr, unsigned int size);
  39. void cpa_init(void);
  40. #ifdef CONFIG_DEBUG_RODATA
  41. void mark_rodata_ro(void);
  42. extern const int rodata_test_data;
  43. #endif
  44. #ifdef CONFIG_DEBUG_RODATA_TEST
  45. int rodata_test(void);
  46. #else
  47. static inline int rodata_test(void)
  48. {
  49. return 0;
  50. }
  51. #endif
  52. #endif