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-rw-r--r--include/asm-x86/unaligned.h31
1 files changed, 4 insertions, 27 deletions
diff --git a/include/asm-x86/unaligned.h b/include/asm-x86/unaligned.h
index d270ffe72759..a7bd416b4763 100644
--- a/include/asm-x86/unaligned.h
+++ b/include/asm-x86/unaligned.h
@@ -3,35 +3,12 @@
3 3
4/* 4/*
5 * The x86 can do unaligned accesses itself. 5 * The x86 can do unaligned accesses itself.
6 *
7 * The strange macros are there to make sure these can't
8 * be misused in a way that makes them not work on other
9 * architectures where unaligned accesses aren't as simple.
10 */ 6 */
11 7
12/** 8#include <linux/unaligned/access_ok.h>
13 * get_unaligned - get value from possibly mis-aligned location 9#include <linux/unaligned/generic.h>
14 * @ptr: pointer to value
15 *
16 * This macro should be used for accessing values larger in size than
17 * single bytes at locations that are expected to be improperly aligned,
18 * e.g. retrieving a u16 value from a location not u16-aligned.
19 *
20 * Note that unaligned accesses can be very expensive on some architectures.
21 */
22#define get_unaligned(ptr) (*(ptr))
23 10
24/** 11#define get_unaligned __get_unaligned_le
25 * put_unaligned - put value to a possibly mis-aligned location 12#define put_unaligned __put_unaligned_le
26 * @val: value to place
27 * @ptr: pointer to location
28 *
29 * This macro should be used for placing values larger in size than
30 * single bytes at locations that are expected to be improperly aligned,
31 * e.g. writing a u16 value to a location not u16-aligned.
32 *
33 * Note that unaligned accesses can be very expensive on some architectures.
34 */
35#define put_unaligned(val, ptr) ((void)(*(ptr) = (val)))
36 13
37#endif /* _ASM_X86_UNALIGNED_H */ 14#endif /* _ASM_X86_UNALIGNED_H */