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-rw-r--r--kernel/printk.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index c3d90a58e4c5..185bb45eacf7 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -333,13 +333,25 @@ static void __call_console_drivers(unsigned long start, unsigned long end)
333 } 333 }
334} 334}
335 335
336static int __read_mostly ignore_loglevel;
337
338int __init ignore_loglevel_setup(char *str)
339{
340 ignore_loglevel = 1;
341 printk(KERN_INFO "debug: ignoring loglevel setting.\n");
342
343 return 1;
344}
345
346__setup("ignore_loglevel", ignore_loglevel_setup);
347
336/* 348/*
337 * Write out chars from start to end - 1 inclusive 349 * Write out chars from start to end - 1 inclusive
338 */ 350 */
339static void _call_console_drivers(unsigned long start, 351static void _call_console_drivers(unsigned long start,
340 unsigned long end, int msg_log_level) 352 unsigned long end, int msg_log_level)
341{ 353{
342 if (msg_log_level < console_loglevel && 354 if ((msg_log_level < console_loglevel || ignore_loglevel) &&
343 console_drivers && start != end) { 355 console_drivers && start != end) {
344 if ((start & LOG_BUF_MASK) > (end & LOG_BUF_MASK)) { 356 if ((start & LOG_BUF_MASK) > (end & LOG_BUF_MASK)) {
345 /* wrapped write */ 357 /* wrapped write */