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341 lines
8.1 KiB
Diff
341 lines
8.1 KiB
Diff
glibc headers define both __LITTLE_ENDIAN and __BIG_ENDIAN
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which was tripping the check in linux/byteorder.h. Let's
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just stay out of userspace's way and use __KERN_{endian}
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The old implementation got away with it as it kept the two
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implementations in different headers and conditionally included
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the right one. The combined header does checks within each
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function body and depends on only one being defined.
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Converted the arches in mainline that have already moved to the
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new header, as the other arches merge the will need simlar
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fixups.
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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
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---
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arch/avr32/include/asm/byteorder.h | 2 +-
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arch/mips/include/asm/byteorder.h | 4 +-
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arch/sh/include/asm/byteorder.h | 4 +-
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arch/sparc/include/asm/byteorder.h | 2 +-
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include/linux/byteorder.h | 84 ++++++++++++++++++------------------
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5 files changed, 48 insertions(+), 48 deletions(-)
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--- a/arch/avr32/include/asm/byteorder.h
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+++ b/arch/avr32/include/asm/byteorder.h
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@@ -7,7 +7,7 @@
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#include <asm/types.h>
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#include <linux/compiler.h>
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-#define __BIG_ENDIAN
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+#define __KERN_BIG_ENDIAN
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#define __SWAB_64_THRU_32__
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#ifdef __CHECKER__
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--- a/arch/mips/include/asm/byteorder.h
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+++ b/arch/mips/include/asm/byteorder.h
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@@ -12,9 +12,9 @@
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#include <asm/types.h>
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#if defined(__MIPSEB__)
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-# define __BIG_ENDIAN
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+# define __KERN_BIG_ENDIAN
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#elif defined(__MIPSEL__)
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-# define __LITTLE_ENDIAN
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+# define __KERN_LITTLE_ENDIAN
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#else
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# error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
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#endif
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--- a/arch/sh/include/asm/byteorder.h
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+++ b/arch/sh/include/asm/byteorder.h
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@@ -9,9 +9,9 @@
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#include <linux/types.h>
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#ifdef __LITTLE_ENDIAN__
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-# define __LITTLE_ENDIAN
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+# define __KERN_LITTLE_ENDIAN
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#else
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-# define __BIG_ENDIAN
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+# define __KERN_BIG_ENDIAN
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#endif
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#define __SWAB_64_THRU_32__
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--- a/arch/sparc/include/asm/byteorder.h
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+++ b/arch/sparc/include/asm/byteorder.h
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@@ -4,7 +4,7 @@
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#include <asm/types.h>
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#include <asm/asi.h>
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-#define __BIG_ENDIAN
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+#define __KERN_BIG_ENDIAN
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#ifdef CONFIG_SPARC32
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#define __SWAB_64_THRU_32__
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--- a/include/linux/byteorder.h
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+++ b/include/linux/byteorder.h
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@@ -4,33 +4,33 @@
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#include <linux/types.h>
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#include <linux/swab.h>
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-#if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)
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+#if defined(__KERN_LITTLE_ENDIAN) && defined(__KERN_BIG_ENDIAN)
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# error Fix asm/byteorder.h to define one endianness
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#endif
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-#if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN)
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+#if !defined(__KERN_LITTLE_ENDIAN) && !defined(__KERN_BIG_ENDIAN)
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# error Fix asm/byteorder.h to define arch endianness
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#endif
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-#ifdef __LITTLE_ENDIAN
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-# undef __LITTLE_ENDIAN
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-# define __LITTLE_ENDIAN 1234
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+#ifdef __KERN_LITTLE_ENDIAN
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+# ifndef __LITTLE_ENDIAN
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+# define __LITTLE_ENDIAN 1234
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+# endif
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+# ifndef __LITTLE_ENDIAN_BITFIELD
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+# define __LITTLE_ENDIAN_BITFIELD
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+# endif
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+#endif
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+
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+#ifdef __KERN_BIG_ENDIAN
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+# ifndef __BIG_ENDIAN
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+# define __BIG_ENDIAN 4321
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+# endif
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+# ifndef __BIG_ENDIAN_BITFIELD
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+# define __BIG_ENDIAN_BITFIELD
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+# endif
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#endif
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-#ifdef __BIG_ENDIAN
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-# undef __BIG_ENDIAN
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-# define __BIG_ENDIAN 4321
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-#endif
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-
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-#if defined(__LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN_BITFIELD)
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-# define __LITTLE_ENDIAN_BITFIELD
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-#endif
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-
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-#if defined(__BIG_ENDIAN) && !defined(__BIG_ENDIAN_BITFIELD)
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-# define __BIG_ENDIAN_BITFIELD
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-#endif
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-
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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# define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
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# define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
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# define __le64_to_cpu(x) ((__force __u64)(__le64)(x))
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@@ -46,7 +46,7 @@
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# define __cpu_to_be64(x) ((__force __be64)__swab64(x))
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#endif
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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# define __be16_to_cpu(x) ((__force __u16)(__be16)(x))
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# define __be32_to_cpu(x) ((__force __u32)(__be32)(x))
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# define __be64_to_cpu(x) ((__force __u64)(__be64)(x))
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@@ -87,91 +87,91 @@
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static inline void __le16_to_cpus(__u16 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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__swab16s(p);
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#endif
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}
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static inline void __cpu_to_le16s(__u16 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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__swab16s(p);
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#endif
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}
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static inline void __le32_to_cpus(__u32 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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__swab32s(p);
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#endif
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}
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static inline void __cpu_to_le32s(__u32 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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__swab32s(p);
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#endif
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}
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static inline void __le64_to_cpus(__u64 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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__swab64s(p);
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#endif
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}
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static inline void __cpu_to_le64s(__u64 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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__swab64s(p);
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#endif
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}
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static inline void __be16_to_cpus(__u16 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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__swab16s(p);
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#endif
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}
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static inline void __cpu_to_be16s(__u16 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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__swab16s(p);
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#endif
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}
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static inline void __be32_to_cpus(__u32 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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__swab32s(p);
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#endif
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}
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static inline void __cpu_to_be32s(__u32 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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__swab32s(p);
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#endif
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}
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static inline void __be64_to_cpus(__u64 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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__swab64s(p);
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#endif
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}
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static inline void __cpu_to_be64s(__u64 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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__swab64s(p);
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#endif
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}
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static inline __u16 __le16_to_cpup(const __le16 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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return (__force __u16)*p;
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#else
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return __swab16p((__force __u16 *)p);
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@@ -180,7 +180,7 @@ static inline __u16 __le16_to_cpup(const
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static inline __u32 __le32_to_cpup(const __le32 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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return (__force __u32)*p;
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#else
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return __swab32p((__force __u32 *)p);
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@@ -189,7 +189,7 @@ static inline __u32 __le32_to_cpup(const
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static inline __u64 __le64_to_cpup(const __le64 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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return (__force __u64)*p;
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#else
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return __swab64p((__force __u64 *)p);
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@@ -198,7 +198,7 @@ static inline __u64 __le64_to_cpup(const
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static inline __le16 __cpu_to_le16p(const __u16 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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return (__force __le16)*p;
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#else
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return (__force __le16)__swab16p(p);
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@@ -207,7 +207,7 @@ static inline __le16 __cpu_to_le16p(cons
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static inline __le32 __cpu_to_le32p(const __u32 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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return (__force __le32)*p;
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#else
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return (__force __le32)__swab32p(p);
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@@ -216,7 +216,7 @@ static inline __le32 __cpu_to_le32p(cons
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static inline __le64 __cpu_to_le64p(const __u64 *p)
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{
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-#ifdef __LITTLE_ENDIAN
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+#ifdef __KERN_LITTLE_ENDIAN
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return (__force __le64)*p;
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#else
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return (__force __le64)__swab64p(p);
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@@ -225,7 +225,7 @@ static inline __le64 __cpu_to_le64p(cons
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static inline __u16 __be16_to_cpup(const __be16 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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return (__force __u16)*p;
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#else
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return __swab16p((__force __u16 *)p);
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@@ -234,7 +234,7 @@ static inline __u16 __be16_to_cpup(const
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static inline __u32 __be32_to_cpup(const __be32 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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return (__force __u32)*p;
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#else
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return __swab32p((__force __u32 *)p);
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@@ -243,7 +243,7 @@ static inline __u32 __be32_to_cpup(const
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static inline __u64 __be64_to_cpup(const __be64 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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return (__force __u64)*p;
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#else
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return __swab64p((__force __u64 *)p);
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@@ -252,7 +252,7 @@ static inline __u64 __be64_to_cpup(const
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static inline __be16 __cpu_to_be16p(const __u16 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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return (__force __be16)*p;
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#else
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return (__force __be16)__swab16p(p);
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@@ -261,7 +261,7 @@ static inline __be16 __cpu_to_be16p(cons
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static inline __be32 __cpu_to_be32p(const __u32 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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return (__force __be32)*p;
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#else
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return (__force __be32)__swab32p(p);
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@@ -270,7 +270,7 @@ static inline __be32 __cpu_to_be32p(cons
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static inline __be64 __cpu_to_be64p(const __u64 *p)
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{
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-#ifdef __BIG_ENDIAN
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+#ifdef __KERN_BIG_ENDIAN
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return (__force __be64)*p;
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#else
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return (__force __be64)__swab64p(p);
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