1 files changed, 51 insertions, 30 deletions
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index e747ecd48e1..0564e3c3988 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -1,13 +1,6 @@
 #ifndef _DYNAMIC_DEBUG_H
 #define _DYNAMIC_DEBUG_H
 
-/* dynamic_printk_enabled, and dynamic_printk_enabled2 are bitmasks in which
- * bit n is set to 1 if any modname hashes into the bucket n, 0 otherwise. They
- * use independent hash functions, to reduce the chance of false positives.
- */
-extern long long dynamic_debug_enabled;
-extern long long dynamic_debug_enabled2;
-
 /*
  * An instance of this structure is created in a special
  * ELF section at every dynamic debug callsite.  At runtime,
@@ -44,29 +37,57 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
 
 #if defined(CONFIG_DYNAMIC_DEBUG)
 extern int ddebug_remove_module(const char *mod_name);
-extern int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...)
-	__attribute__ ((format (printf, 2, 3)));
-
-#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 };				\
-	if (unlikely(descriptor.enabled))				\
-		__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 };				\
-	if (unlikely(descriptor.enabled))				\
-		dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__);	\
-	} while (0)
+extern __printf(2, 3)
+int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...);
+
+struct device;
+
+extern __printf(3, 4)
+int __dynamic_dev_dbg(struct _ddebug *descriptor, const struct device *dev,
+		      const char *fmt, ...);
+
+struct net_device;
+
+extern __printf(3, 4)
+int __dynamic_netdev_dbg(struct _ddebug *descriptor,
+			 const struct net_device *dev,
+			 const char *fmt, ...);
+
+#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt)		\
+	static struct _ddebug __used __aligned(8)		\
+	__attribute__((section("__verbose"))) name = {		\
+		.modname = KBUILD_MODNAME,			\
+		.function = __func__,				\
+		.filename = __FILE__,				\
+		.format = (fmt),				\
+		.lineno = __LINE__,				\
+		.flags =  _DPRINTK_FLAGS_DEFAULT,		\
+		.enabled = false,				\
+	}
+
+#define dynamic_pr_debug(fmt, ...)				\
+do {								\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);		\
+	if (unlikely(descriptor.enabled))			\
+		__dynamic_pr_debug(&descriptor, pr_fmt(fmt),	\
+				   ##__VA_ARGS__);		\
+} while (0)
+
+#define dynamic_dev_dbg(dev, fmt, ...)				\
+do {								\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);	\
+	if (unlikely(descriptor.enabled))			\
+		__dynamic_dev_dbg(&descriptor, dev, fmt,	\
+				  ##__VA_ARGS__);		\
+} while (0)
+
+#define dynamic_netdev_dbg(dev, fmt, ...)			\
+do {								\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);		\
+	if (unlikely(descriptor.enabled))			\
+		__dynamic_netdev_dbg(&descriptor, dev, fmt,	\
+				     ##__VA_ARGS__);		\
+} while (0)
 
 #else