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 27 void global_flush_tlb(void); 28 int change_page_attr(struct page *page, int numpages, pgprot_t prot); 29 int change_page_attr_addr(unsigned long addr, int numpages, pgprot_t prot); 30 void clflush_cache_range(void *addr, int size); 31 32 #ifdef CONFIG_DEBUG_PAGEALLOC 33 /* internal debugging function */ 34 void kernel_map_pages(struct page *page, int numpages, int enable); 35 #endif 36 37 #ifdef CONFIG_DEBUG_RODATA 38 void mark_rodata_ro(void); 39 #endif 40 41 #endif 42
