1 files changed, 11 insertions, 8 deletions

diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index 0564e3c39882..7e3c53a900d8 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -15,20 +15,24 @@ struct _ddebug {
         const char *function;
         const char *filename;
         const char *format;
-        unsigned int lineno:24;
+        unsigned int lineno:18;
         /*
          * The flags field controls the behaviour at the callsite.
          * The bits here are changed dynamically when the user
          * writes commands to <debugfs>/dynamic_debug/control
          */
-#define _DPRINTK_FLAGS_PRINT   (1<<0)  /* printk() a message using the format */
+#define _DPRINTK_FLAGS_NONE     0
+#define _DPRINTK_FLAGS_PRINT    (1<<0) /* printk() a message using the format */
 #define _DPRINTK_FLAGS_INCL_MODNAME     (1<<1)
 #define _DPRINTK_FLAGS_INCL_FUNCNAME    (1<<2)
 #define _DPRINTK_FLAGS_INCL_LINENO      (1<<3)
 #define _DPRINTK_FLAGS_INCL_TID         (1<<4)
+#if defined DEBUG
+#define _DPRINTK_FLAGS_DEFAULT _DPRINTK_FLAGS_PRINT
+#else
 #define _DPRINTK_FLAGS_DEFAULT 0
+#endif
         unsigned int flags:8;
-        char enabled;
 } __attribute__((aligned(8)));
 
 
@@ -62,21 +66,20 @@ int __dynamic_netdev_dbg(struct _ddebug *descriptor,
                 .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))                       \
+        if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))  \
                 __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))                       \
+        DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);         \
+        if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))  \
                 __dynamic_dev_dbg(&descriptor, dev, fmt,        \
                                   ##__VA_ARGS__);               \
 } while (0)
@@ -84,7 +87,7 @@ do {								\
 #define dynamic_netdev_dbg(dev, fmt, ...)                       \
 do {                                                            \
         DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);         \
-        if (unlikely(descriptor.enabled))                       \
+        if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT))  \
                 __dynamic_netdev_dbg(&descriptor, dev, fmt,     \
                                      ##__VA_ARGS__);            \
 } while (0)