diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 09:45:08 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 09:45:08 -0700 |
commit | 81ce31b773226332475f89501b1072bec0c0e241 (patch) | |
tree | cd66f3c1caf731cc552ae90af2068aecabaed334 /arch/score/include/asm/cacheflush.h | |
parent | 515b696b282f856c3ad1679ccd658120faa387d0 (diff) | |
parent | 9973affe9bbcde64041890d8793eb2e74143c298 (diff) |
Merge branch 'for-linus' of git://gitserver.sunplusct.com/linux-2.6-score
* 'for-linus' of git://gitserver.sunplusct.com/linux-2.6-score: (22 commits)
score: add TIF_NOTIFY_RESUME define in asm/thread_info.h
score: make init_thread_union align to THREAD_SIZE
score: update files according to review comments.
score: add old syscall support
score: add MEMORY_START and MEMORY_SIZE define, to make the code clear
score: update inconsistent declare after .c was changed
score: remove unused code, add include files in .c
score: clean up mm/init.c
score: make irq.h definitions local
score: cleanups: dead code, 0 as pointer, shadowed variables
score: fix function prototypes
score: add address space annotations
score: add missing #includes
score: move save arg5 and arg6 instruction in front of enable_irq
score: add prototypes for wrapped syscalls
score: remove init_mm
score: add generic sys_call_table
score: remove __{put,get}_user_unknown
score: unset __ARCH_WANT_IPC_PARSE_VERSION
score: update files according to review comments
...
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 */ |