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tools include: Fix wrong macro definitions for cpu_to_le* for big endian

Message ID 1466040729-100926-1-git-send-email-hekuang@huawei.com
State Superseded
Headers show

Commit Message

He Kuang June 16, 2016, 1:32 a.m. UTC 
From: Wang Nan <wangnan0@huawei.com>


The cpu_to_le* macros in kernel.h are defined without considering
endianese. This patch includes "byteoder/generic.h" instead to fix the
bug, and removes redundant le64_to_cpu definition in intel-bts.c.

Signed-off-by: Wang Nan <wangnan0@huawei.com>

Signed-off-by: He Kuang <hekuang@huawei.com>

---
 tools/include/linux/kernel.h | 5 ++---
 tools/perf/util/intel-bts.c  | 5 -----
 2 files changed, 2 insertions(+), 8 deletions(-)

-- 
1.8.3.4
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Patch

diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index 76df535..6145e41 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -64,11 +64,10 @@ 
 #endif
 
 /*
- * Both need more care to handle endianness
+ * Need more care to handle endianness
  * (Don't use bitmap_copy_le() for now)
  */
-#define cpu_to_le64(x)	(x)
-#define cpu_to_le32(x)	(x)
+#include <linux/byteorder/generic.h>
 
 static inline int
 vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 9df9960..0e632c4 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -40,11 +40,6 @@ 
 #define INTEL_BTS_ERR_NOINSN  5
 #define INTEL_BTS_ERR_LOST    9
 
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define le64_to_cpu bswap_64
-#else
-#define le64_to_cpu
-#endif
 
 struct intel_bts {
 	struct auxtrace			auxtrace;