netdev - [PATCH v3 4/7] printk: Add pr_debug

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Date:   Tue,  9 Jun 2020 13:46:01 +0300
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-acpi@...r.kernel.org,
        netdev@...r.kernel.org
Cc:     Joe Perches <joe@...ches.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Baron <jbaron@...mai.com>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: [PATCH v3 4/7] printk: Add pr_debug_level macro over dynamic one

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@...aro.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