diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:42 +0200 |
| commit | ae82bfd61ca7e57cc2d914add9ab0873e260f2f5 (patch) | |
| tree | a7f862ad8b0ae4f2e8953e6aa613eb702b484ecf /arch/score/include/asm/cacheflush.h | |
| parent | cd74c86bdf705f824d494a2bbda393d1d562b40a (diff) | |
| parent | ebc79c4f8da0f92efa968e0328f32334a2ce80cf (diff) | |
Merge branch 'linus' into perfcounters/rename
Merge reason: pull in all the latest code before doing the rename.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/score/include/asm/cacheflush.h')
| -rw-r--r-- | arch/score/include/asm/cacheflush.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h new file mode 100644 index 00000000000..07cc8fc457c --- /dev/null +++ b/arch/score/include/asm/cacheflush.h @@ -0,0 +1,45 @@ +#ifndef _ASM_SCORE_CACHEFLUSH_H +#define _ASM_SCORE_CACHEFLUSH_H + +/* Keep includes the same across arches. */ +#include <linux/mm.h> + +extern void flush_cache_all(void); +extern void flush_cache_mm(struct mm_struct *mm); +extern void flush_cache_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end); +extern void flush_cache_page(struct vm_area_struct *vma, + unsigned long page, unsigned long pfn); +extern void flush_cache_sigtramp(unsigned long addr); +extern void flush_icache_all(void); +extern void flush_icache_range(unsigned long start, unsigned long end); +extern void flush_dcache_range(unsigned long start, unsigned long end); + +#define flush_cache_dup_mm(mm) do {} while (0) +#define flush_dcache_page(page) do {} while (0) +#define flush_dcache_mmap_lock(mapping) do {} while (0) +#define flush_dcache_mmap_unlock(mapping) do {} while (0) +#define flush_cache_vmap(start, end) do {} while (0) +#define flush_cache_vunmap(start, end) do {} while (0) + +static inline void flush_icache_page(struct vm_area_struct *vma, + struct page *page) +{ + if (vma->vm_flags & VM_EXEC) { + void *v = page_address(page); + flush_icache_range((unsigned long) v, + (unsigned long) v + PAGE_SIZE); + } +} + +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) + +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ + do { \ + memcpy(dst, src, len); \ + if ((vma->vm_flags & VM_EXEC)) \ + flush_cache_page(vma, vaddr, page_to_pfn(page));\ + } while (0) + +#endif /* _ASM_SCORE_CACHEFLUSH_H */ |