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authorTejun Heo <tj@kernel.org>2013-01-23 09:31:01 -0800
committerTejun Heo <tj@kernel.org>2013-01-23 09:31:01 -0800
commitc14afb82ffff5903a701a9fb737ac20f36d1f755 (patch)
tree304dcc7b1d7b9a5f564f7e978228e61ef41fbef2 /include/uapi/linux/swab.h
parent0fdff3ec6d87856cdcc99e69cf42143fdd6c56b4 (diff)
parent1d8549085377674224bf30a368284c391a3ce40e (diff)
downloadolio-linux-3.10-c14afb82ffff5903a701a9fb737ac20f36d1f755.tar.xz
olio-linux-3.10-c14afb82ffff5903a701a9fb737ac20f36d1f755.zip
Merge branch 'master' into for-3.9-async
To receive f56c3196f251012de9b3ebaff55732a9074fdaae ("async: fix __lowest_in_progress()"). Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/uapi/linux/swab.h')
-rw-r--r--include/uapi/linux/swab.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h
index e811474724c..0e011eb91b5 100644
--- a/include/uapi/linux/swab.h
+++ b/include/uapi/linux/swab.h
@@ -45,7 +45,9 @@
static inline __attribute_const__ __u16 __fswab16(__u16 val)
{
-#ifdef __arch_swab16
+#ifdef __HAVE_BUILTIN_BSWAP16__
+ return __builtin_bswap16(val);
+#elif defined (__arch_swab16)
return __arch_swab16(val);
#else
return ___constant_swab16(val);
@@ -54,7 +56,9 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val)
static inline __attribute_const__ __u32 __fswab32(__u32 val)
{
-#ifdef __arch_swab32
+#ifdef __HAVE_BUILTIN_BSWAP32__
+ return __builtin_bswap32(val);
+#elif defined(__arch_swab32)
return __arch_swab32(val);
#else
return ___constant_swab32(val);
@@ -63,7 +67,9 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val)
static inline __attribute_const__ __u64 __fswab64(__u64 val)
{
-#ifdef __arch_swab64
+#ifdef __HAVE_BUILTIN_BSWAP64__
+ return __builtin_bswap64(val);
+#elif defined (__arch_swab64)
return __arch_swab64(val);
#elif defined(__SWAB_64_THRU_32__)
__u32 h = val >> 32;