diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 20:55:21 -0400 |
| commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
| tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /include/asm-generic/cacheflush.h | |
| parent | 3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff) | |
| parent | 657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff) | |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'include/asm-generic/cacheflush.h')
| -rw-r--r-- | include/asm-generic/cacheflush.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h new file mode 100644 index 000000000000..ba4ec39a1131 --- /dev/null +++ b/include/asm-generic/cacheflush.h | |||
| @@ -0,0 +1,30 @@ | |||
| 1 | #ifndef __ASM_CACHEFLUSH_H | ||
| 2 | #define __ASM_CACHEFLUSH_H | ||
| 3 | |||
| 4 | /* Keep includes the same across arches. */ | ||
| 5 | #include <linux/mm.h> | ||
| 6 | |||
| 7 | /* | ||
| 8 | * The cache doesn't need to be flushed when TLB entries change when | ||
| 9 | * the cache is mapped to physical memory, not virtual memory | ||
| 10 | */ | ||
| 11 | #define flush_cache_all() do { } while (0) | ||
| 12 | #define flush_cache_mm(mm) do { } while (0) | ||
| 13 | #define flush_cache_dup_mm(mm) do { } while (0) | ||
| 14 | #define flush_cache_range(vma, start, end) do { } while (0) | ||
| 15 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | ||
| 16 | #define flush_dcache_page(page) do { } while (0) | ||
| 17 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | ||
| 18 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | ||
| 19 | #define flush_icache_range(start, end) do { } while (0) | ||
| 20 | #define flush_icache_page(vma,pg) do { } while (0) | ||
| 21 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | ||
| 22 | #define flush_cache_vmap(start, end) do { } while (0) | ||
| 23 | #define flush_cache_vunmap(start, end) do { } while (0) | ||
| 24 | |||
| 25 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | ||
| 26 | memcpy(dst, src, len) | ||
| 27 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | ||
| 28 | memcpy(dst, src, len) | ||
| 29 | |||
| 30 | #endif /* __ASM_CACHEFLUSH_H */ | ||
