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-rw-r--r--kernel/printk.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index bd2cd062878..5c7c325b29c 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1083,6 +1083,17 @@ int unregister_console(struct console *console)
}
EXPORT_SYMBOL(unregister_console);
+static int __init disable_boot_consoles(void)
+{
+ 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