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Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 66426552fbf..185bb45eacf 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -53,8 +53,6 @@ int console_printk[4] = {
DEFAULT_CONSOLE_LOGLEVEL, /* default_console_loglevel */
};
-EXPORT_UNUSED_SYMBOL(console_printk); /* June 2006 */
-
/*
* Low lever drivers may need that to know if they can schedule in
* their unblank() callback or not. So let's export it.
@@ -335,13 +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 */
@@ -631,12 +641,7 @@ EXPORT_SYMBOL(vprintk);
asmlinkage long sys_syslog(int type, char __user *buf, int len)
{
- return 0;
-}
-
-int do_syslog(int type, char __user *buf, int len)
-{
- return 0;
+ return -ENOSYS;
}
static void call_console_drivers(unsigned long start, unsigned long end)
@@ -777,7 +782,6 @@ int is_console_locked(void)
{
return console_locked;
}
-EXPORT_UNUSED_SYMBOL(is_console_locked); /* June 2006 */
/**
* release_console_sem - unlock the console system