linux-kernel - [PATCH] lib/dynamic_debug: make better dynamic log output

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Date:   Mon, 9 Dec 2019 17:44:37 +0800
From:   Huang Shijie <sjhuang@...vatar.ai>
To:     <jbaron@...mai.com>
CC:     <linux-kernel@...r.kernel.org>, <1537577747@...com>,
        Huang Shijie <sjhuang@...vatar.ai>
Subject: [PATCH] lib/dynamic_debug: make better dynamic log output

The driver strings and device name is not changed for the driver's dynamic
log output. But the dynamic_emit_prefix() which contains the function names
may changed when the function names are changed.

So the patch makes the better dynamic log output.

Signed-off-by: Huang Shijie <sjhuang@...vatar.ai>
---
 lib/dynamic_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index c60409138e13..8cfcdd5bd1ff 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -590,8 +590,8 @@ void __dynamic_dev_dbg(struct _ddebug *descriptor,
 		char buf[PREFIX_SIZE];
 
 		dev_printk_emit(LOGLEVEL_DEBUG, dev, "%s%s %s: %pV",
-				dynamic_emit_prefix(descriptor, buf),
 				dev_driver_string(dev), dev_name(dev),
+				dynamic_emit_prefix(descriptor, buf),
 				&vaf);
 	}
 
-- 
2.17.1