Merge branch 'perf-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / arch / score / include / asm / cacheflush.h
1 #ifndef _ASM_SCORE_CACHEFLUSH_H
2 #define _ASM_SCORE_CACHEFLUSH_H
3
4 /* Keep includes the same across arches. */
5 #include <linux/mm.h>
6
7 extern void flush_cache_all(void);
8 extern void flush_cache_mm(struct mm_struct *mm);
9 extern void flush_cache_range(struct vm_area_struct *vma,
10                                 unsigned long start, unsigned long end);
11 extern void flush_cache_page(struct vm_area_struct *vma,
12                                 unsigned long page, unsigned long pfn);
13 extern void flush_cache_sigtramp(unsigned long addr);
14 extern void flush_icache_all(void);
15 extern void flush_icache_range(unsigned long start, unsigned long end);
16 extern void flush_dcache_range(unsigned long start, unsigned long end);
17 extern void flush_dcache_page(struct page *page);
18
19 #define PG_dcache_dirty         PG_arch_1
20
21 #define flush_cache_dup_mm(mm)                  do {} while (0)
22 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
23 #define flush_dcache_mmap_lock(mapping)         do {} while (0)
24 #define flush_dcache_mmap_unlock(mapping)       do {} while (0)
25 #define flush_cache_vmap(start, end)            do {} while (0)
26 #define flush_cache_vunmap(start, end)          do {} while (0)
27
28 static inline void flush_icache_page(struct vm_area_struct *vma,
29         struct page *page)
30 {
31         if (vma->vm_flags & VM_EXEC) {
32                 void *v = page_address(page);
33                 flush_icache_range((unsigned long) v,
34                                 (unsigned long) v + PAGE_SIZE);
35         }
36 }
37
38 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
39         memcpy(dst, src, len)
40
41 #define copy_to_user_page(vma, page, vaddr, dst, src, len)      \
42         do {                                                    \
43                 memcpy(dst, src, len);                          \
44                 if ((vma->vm_flags & VM_EXEC))                  \
45                         flush_cache_page(vma, vaddr, page_to_pfn(page));\
46         } while (0)
47
48 #endif /* _ASM_SCORE_CACHEFLUSH_H */