From: akpm@linux-foundation.org
To: mm-commits@vger.kernel.org
Cc: Joakim.Tjernlund@transmode.se
Subject: + crc32-use-__byte_order-macro-for-endian-detection.patch added to -mm tree
Date: Thu, 22 Apr 2010 14:10:23 -0700 [thread overview]
Message-ID: <201004222110.o3MLANYd011250@imap1.linux-foundation.org> (raw)
The patch titled
crc32: use __BYTE_ORDER macro for endian detection.
has been added to the -mm tree. Its filename is
crc32-use-__byte_order-macro-for-endian-detection.patch
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------------------------------------------------------
Subject: crc32: use __BYTE_ORDER macro for endian detection.
From: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Since crc32.c contains a nifty test program that can be executed in user
space, make sure endian detection works reliably in user space too.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
lib/crc32.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN lib/crc32.c~crc32-use-__byte_order-macro-for-endian-detection lib/crc32.c
--- a/lib/crc32.c~crc32-use-__byte_order-macro-for-endian-detection
+++ a/lib/crc32.c
@@ -50,7 +50,7 @@ MODULE_LICENSE("GPL");
static inline u32
crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 (*tab)[256])
{
-# ifdef __LITTLE_ENDIAN
+# if __BYTE_ORDER == __LITTLE_ENDIAN
# define DO_CRC(x) crc = tab[0][(crc ^ (x)) & 255] ^ (crc >> 8)
# define DO_CRC4 crc = tab[3][(crc) & 255] ^ \
tab[2][(crc >> 8) & 255] ^ \
_
Patches currently in -mm which might be from Joakim.Tjernlund@transmode.se are
linux-next.patch
endian-define-__byte_order.patch
crc32-major-optimization.patch
crc32-major-optimization-checkpatch-fixes.patch
crc32-use-__byte_order-macro-for-endian-detection.patch
reply other threads:[~2010-04-22 21:10 UTC|newest]
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