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 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); 30void clflush_cache_range(void *addr, int size); 31 32#ifdef CONFIG_DEBUG_PAGEALLOC 33/* internal debugging function */ 34void kernel_map_pages(struct page *page, int numpages, int enable); 35#endif 36 37#ifdef CONFIG_DEBUG_RODATA 38void mark_rodata_ro(void); 39#endif 40 41#endif 42