[PATCH] add ignore_loglevel boot option

[sfrench/cifs-2.6.git] / kernel / printk.c

diff --git a/kernel/printk.c b/kernel/printk.c
index c3d90a58e4c59a3c06ebace24b25c532617e23c9..185bb45eacf7289db6b99039634ad9f9f6fa5d96 100644 (file)
--- a/kernel/printk.c
+++ b/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 */