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Diffstat (limited to 'include/linux/dynamic_debug.h')
-rw-r--r--include/linux/dynamic_debug.h18
1 files changed, 4 insertions, 14 deletions
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index a90b3892074..1c70028f81f 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -44,34 +44,24 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
extern int ddebug_remove_module(const char *mod_name);
#define dynamic_pr_debug(fmt, ...) do { \
- __label__ do_printk; \
- __label__ out; \
static struct _ddebug descriptor \
__used \
__attribute__((section("__verbose"), aligned(8))) = \
{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \
_DPRINTK_FLAGS_DEFAULT }; \
- JUMP_LABEL(&descriptor.enabled, do_printk); \
- goto out; \
-do_printk: \
- printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
-out: ; \
+ if (unlikely(descriptor.enabled)) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#define dynamic_dev_dbg(dev, fmt, ...) do { \
- __label__ do_printk; \
- __label__ out; \
static struct _ddebug descriptor \
__used \
__attribute__((section("__verbose"), aligned(8))) = \
{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \
_DPRINTK_FLAGS_DEFAULT }; \
- JUMP_LABEL(&descriptor.enabled, do_printk); \
- goto out; \
-do_printk: \
- dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \
-out: ; \
+ if (unlikely(descriptor.enabled)) \
+ dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \
} while (0)
#else