linux-kernel - [PATCH 09/10] dynamic_debug: consolidate repetitive struct

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Date:	Wed, 6 Jul 2011 13:25:12 -0400
From:	Jason Baron <jbaron@...hat.com>
To:	gregkh@...e.de
Cc:	joe@...ches.com, jim.cromie@...il.com, bvanassche@....org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 09/10] dynamic_debug: consolidate repetitive struct _ddebug
 descriptor definitions

From: Jason Baron <jbaron@...hat.com>

Replace the repetitive  struct _ddebug descriptor definitions with
a new DYNAMIC_DEBUG_META_DATA(fmt) macro.

Signed-off-by: Jason Baron <jbaron@...hat.com>
---
 include/linux/dynamic_debug.h |   48 ++++++++++++++++------------------------
 1 files changed, 19 insertions(+), 29 deletions(-)

diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index 7048e64..fdd3c0e 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -54,46 +54,36 @@ extern int __dynamic_netdev_dbg(struct _ddebug *descriptor,
 			     const char *fmt, ...)
 	__attribute__ ((format (printf, 3, 4)));
 
+#define DYNAMIC_DEBUG_METADATA(fmt)				\
+	static struct _ddebug descriptor			\
+	__used							\
+	__attribute__((section("__verbose"), aligned(8))) =	\
+	{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__,	\
+		_DPRINTK_FLAGS_DEFAULT };
+
 #define dynamic_pr_debug(fmt, ...) do {					\
-	static struct _ddebug descriptor				\
-	__used								\
-	__attribute__((section("__verbose"), aligned(8))) =		\
-	{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__,		\
-		_DPRINTK_FLAGS_DEFAULT };				\
+	DYNAMIC_DEBUG_METADATA(fmt);					\
 	if (unlikely(descriptor.enabled))				\
-		__dynamic_pr_debug(&descriptor, pr_fmt(fmt), ##__VA_ARGS__); \
+		__dynamic_pr_debug(&descriptor, pr_fmt(fmt), ##__VA_ARGS__);\
 	} while (0)
 
 #define dynamic_dev_dbg(dev, fmt, ...) do {				\
-	static struct _ddebug descriptor				\
-	__used								\
-	__attribute__((section("__verbose"), aligned(8))) =		\
-	{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__,		\
-		_DPRINTK_FLAGS_DEFAULT };				\
+	DYNAMIC_DEBUG_METADATA(fmt);					\
 	if (unlikely(descriptor.enabled))				\
-		__dynamic_dev_dbg(&descriptor, dev, fmt, ##__VA_ARGS__);	\
+		__dynamic_dev_dbg(&descriptor, dev, fmt, ##__VA_ARGS__);\
 	} while (0)
 
-#define dynamic_netdev_dbg(dev, fmt, ...) do {				\
-	static struct _ddebug descriptor				\
-	__used								\
-	__attribute__((section("__verbose"), aligned(8))) =		\
-	{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__,		\
-		_DPRINTK_FLAGS_DEFAULT };				\
-	if (unlikely(descriptor.enabled))				\
+#define dynamic_netdev_dbg(dev, fmt, ...) do {				   \
+	DYNAMIC_DEBUG_METADATA(fmt);					   \
+	if (unlikely(descriptor.enabled))				   \
 		__dynamic_netdev_dbg(&descriptor, dev, fmt, ##__VA_ARGS__);\
 	} while (0)
 
-#define dynamic_netif_dbg(dev, cond, fmt, ...) do {			\
-	static struct _ddebug descriptor				\
-	__used								\
-	__attribute__((section("__verbose"), aligned(8))) =		\
-	{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__,		\
-		_DPRINTK_FLAGS_DEFAULT };				\
-	if (unlikely(descriptor.enabled)) {				\
-		if (cond)						\
-			__dynamic_netdev_dbg(&descriptor, dev, fmt, ##__VA_ARGS__);\
-	}								\
+#define dynamic_netif_dbg(dev, cond, fmt, ...) do {			   \
+	DYNAMIC_DEBUG_METADATA(fmt);					   \
+	if (unlikely(descriptor.enabled) && (cond)) {			   \
+		__dynamic_netdev_dbg(&descriptor, dev, fmt, ##__VA_ARGS__);\
+	}								   \
 	} while (0)
 
 #else
-- 
1.7.5.4

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