diff options
Diffstat (limited to 'kernel/printk.c')
-rw-r--r-- | kernel/printk.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 051d27e36a6..8451dfc31d2 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -732,7 +732,7 @@ int __init add_preferred_console(char *name, int idx, char *options) return 0; } -int __init update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options) +int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options) { struct console_cmdline *c; int i; @@ -1083,6 +1083,19 @@ int unregister_console(struct console *console) } EXPORT_SYMBOL(unregister_console); +static int __init disable_boot_consoles(void) +{ + if (console_drivers != NULL) { + if (console_drivers->flags & CON_BOOT) { + printk(KERN_INFO "turn off boot console %s%d\n", + console_drivers->name, console_drivers->index); + return unregister_console(console_drivers); + } + } + return 0; +} +late_initcall(disable_boot_consoles); + /** * tty_write_message - write a message to a certain tty, not just the console. * @tty: the destination tty_struct |