[PATCH v3 4/7] printk: Add pr_debug_level macro over dynamic one

Stanimir Varbanov
2020-06-09T10:49:43Z

Introduce new pr_debug_level macro over dynamic_debug level one
to allow dynamic debugging to show only important messages.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
---
include/linux/printk.h | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index ceea84aa705b..2a6eca56010f 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -416,12 +416,18 @@ extern int kptr_restrict;
*/
#define pr_debug(fmt, ...) \
dynamic_pr_debug(fmt, ##__VA_ARGS__)
+#define pr_debug_level(lvl, fmt, ...) \
+ dynamic_pr_debug_level(lvl, fmt, ##__VA_ARGS__)
#elif defined(DEBUG)
#define pr_debug(fmt, ...) \
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_debug_level(lvl, fmt, ...) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_debug(fmt, ...) \
no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_debug_level(lvl, fmt, ...) \
+ no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif

/*
--
2.17.1