---

yaml --- r: 42965 b: refs/heads/master c: 7929082 h: refs/heads/master i: 42963: 82dbd04 v: v3
git-mirror · Dec 7, 2006 · fd150b6 · fd150b6
1 parent 0483688
commit fd150b6
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Showing 3 changed files with 18 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 70e4506765602cca047cfa31933836e354c61a63
+refs/heads/master: 792908225064b1d841a8990b9d1d1cfc4e0e5bb2
diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
@@ -650,6 +650,10 @@ and is between 256 and 4096 characters. It is defined in the file
 	idle=		[HW]
 			Format: idle=poll or idle=halt
 
+	ignore_loglevel	[KNL]
+			Ignore loglevel setting - this will print /all/
+			kernel messages to the console. Useful for debugging.
+
 	ihash_entries=	[KNL]
 			Set number of hash buckets for inode cache.
 

diff --git a/trunk/kernel/printk.c b/trunk/kernel/printk.c
@@ -333,13 +333,25 @@ static void __call_console_drivers(unsigned long start, unsigned long end)
 	}
 }
 
+static int __read_mostly ignore_loglevel;
+
+int __init ignore_loglevel_setup(char *str)
+{
+	ignore_loglevel = 1;
+	printk(KERN_INFO "debug: ignoring loglevel setting.\n");
+
+	return 1;
+}
+
+__setup("ignore_loglevel", ignore_loglevel_setup);
+
 /*
  * Write out chars from start to end - 1 inclusive
  */
 static void _call_console_drivers(unsigned long start,
 				unsigned long end, int msg_log_level)
 {
-	if (msg_log_level < console_loglevel &&
+	if ((msg_log_level < console_loglevel || ignore_loglevel) &&
 			console_drivers && start != end) {
 		if ((start & LOG_BUF_MASK) > (end & LOG_BUF_MASK)) {
 			/* wrapped write */