diff options
author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:21 -0700 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:21 -0700 |
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 00000000000..ba4ec39a113 --- /dev/null +++ b/include/asm-generic/cacheflush.h @@ -0,0 +1,30 @@ +#ifndef __ASM_CACHEFLUSH_H +#define __ASM_CACHEFLUSH_H + +/* Keep includes the same across arches. */ +#include <linux/mm.h> + +/* + * The cache doesn't need to be flushed when TLB entries change when + * the cache is mapped to physical memory, not virtual memory + */ +#define flush_cache_all() do { } while (0) +#define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_range(vma, start, end) do { } while (0) +#define flush_cache_page(vma, vmaddr, pfn) 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_icache_range(start, end) do { } while (0) +#define flush_icache_page(vma,pg) do { } while (0) +#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) +#define flush_cache_vmap(start, end) do { } while (0) +#define flush_cache_vunmap(start, end) do { } while (0) + +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) + +#endif /* __ASM_CACHEFLUSH_H */ |