linux-kernel - [PATCH 07/26] dynamic_debug: change verbosity at runtime

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Message-Id: <1318019612-20068-8-git-send-email-jim.cromie@gmail.com>
Date:	Fri,  7 Oct 2011 14:33:13 -0600
From:	jim.cromie@...il.com
To:	jbaron@...hat.com
Cc:	greg@...ah.com, joe@...ches.com, bart.vanassche@...il.com,
	linux-kernel@...r.kernel.org, Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH 07/26] dynamic_debug: change verbosity at runtime

From: Jim Cromie <jim.cromie@...il.com>

allow changing dynamic_debug verbosity at boot-time,
with: dynamic_debug.verbose=1
or at runtime with:
root@...age:~# echo 1 > /sys/module/dynamic_debug/parameters/verbose

Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 lib/dynamic_debug.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 2d26c10..74b395b 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -61,6 +61,7 @@ struct ddebug_iter {
 static DEFINE_MUTEX(ddebug_lock);
 static LIST_HEAD(ddebug_tables);
 static int verbose = 0;
+module_param(verbose, int, 0644);
 
 /* Return the last part of a pathname */
 static inline const char *basename(const char *path)
-- 
1.7.4.4

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