diff options
author | Rajesh B Prathipati <rprathip@linux.vnet.ibm.com> | 2013-12-16 02:58:22 -0500 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-29 22:02:29 -0500 |
commit | e8a00ad5e238421ded856ea39f692b94c2d324eb (patch) | |
tree | 684f467c9e0d047c6d251a903862613fe39c2815 /arch | |
parent | 90ff5d688e61f49f23545ffab6228bd7e87e6dc7 (diff) |
powerpc: Make unaligned accesses endian-safe for powerpc
The generic put_unaligned/get_unaligned macros were made endian-safe by
calling the appropriate endian dependent macros based on the endian type
of the powerpc processor.
Signed-off-by: Rajesh B Prathipati <rprathip@linux.vnet.ibm.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/include/asm/unaligned.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h index 5f1b1e3c2137..8296381ae432 100644 --- a/arch/powerpc/include/asm/unaligned.h +++ b/arch/powerpc/include/asm/unaligned.h | |||
@@ -4,13 +4,18 @@ | |||
4 | #ifdef __KERNEL__ | 4 | #ifdef __KERNEL__ |
5 | 5 | ||
6 | /* | 6 | /* |
7 | * The PowerPC can do unaligned accesses itself in big endian mode. | 7 | * The PowerPC can do unaligned accesses itself based on its endian mode. |
8 | */ | 8 | */ |
9 | #include <linux/unaligned/access_ok.h> | 9 | #include <linux/unaligned/access_ok.h> |
10 | #include <linux/unaligned/generic.h> | 10 | #include <linux/unaligned/generic.h> |
11 | 11 | ||
12 | #ifdef __LITTLE_ENDIAN__ | ||
13 | #define get_unaligned __get_unaligned_le | ||
14 | #define put_unaligned __put_unaligned_le | ||
15 | #else | ||
12 | #define get_unaligned __get_unaligned_be | 16 | #define get_unaligned __get_unaligned_be |
13 | #define put_unaligned __put_unaligned_be | 17 | #define put_unaligned __put_unaligned_be |
18 | #endif | ||
14 | 19 | ||
15 | #endif /* __KERNEL__ */ | 20 | #endif /* __KERNEL__ */ |
16 | #endif /* _ASM_POWERPC_UNALIGNED_H */ | 21 | #endif /* _ASM_POWERPC_UNALIGNED_H */ |