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