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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-01 12:51:51 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-01 12:51:51 -0400
commit0242909a6135e10a28822c64f9ad50fdad52757c (patch)
treec5f9c8abe95a65433e6ac356871f2379c02488fe /arch/cris/include/asm/cacheflush.h
parent0a6d2fac615972142715d736289abeeb7382e81d (diff)
parent556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (diff)
Merge branch 'cris_move' of git://www.jni.nu/cris
* 'cris_move' of git://www.jni.nu/cris: [CRIS] Move header files from include to arch/cris/include. [CRISv32] Remove warning in io.h
Diffstat (limited to 'arch/cris/include/asm/cacheflush.h')
-rw-r--r--arch/cris/include/asm/cacheflush.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h
new file mode 100644
index 000000000000..cf60e3f69f8d
--- /dev/null
+++ b/arch/cris/include/asm/cacheflush.h
@@ -0,0 +1,31 @@
1#ifndef _CRIS_CACHEFLUSH_H
2#define _CRIS_CACHEFLUSH_H
3
4/* Keep includes the same across arches. */
5#include <linux/mm.h>
6
7/* The cache doesn't need to be flushed when TLB entries change because
8 * the cache is mapped to physical memory, not virtual memory
9 */
10#define flush_cache_all() do { } while (0)
11#define flush_cache_mm(mm) do { } while (0)
12#define flush_cache_dup_mm(mm) do { } while (0)
13#define flush_cache_range(vma, start, end) do { } while (0)
14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
15#define flush_dcache_page(page) do { } while (0)
16#define flush_dcache_mmap_lock(mapping) do { } while (0)
17#define flush_dcache_mmap_unlock(mapping) do { } while (0)
18#define flush_icache_range(start, end) do { } while (0)
19#define flush_icache_page(vma,pg) do { } while (0)
20#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
21#define flush_cache_vmap(start, end) do { } while (0)
22#define flush_cache_vunmap(start, end) do { } while (0)
23
24#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
25 memcpy(dst, src, len)
26#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
27 memcpy(dst, src, len)
28
29int change_page_attr(struct page *page, int numpages, pgprot_t prot);
30
31#endif /* _CRIS_CACHEFLUSH_H */