kernel/printk/printk.c

84  * console_mutex protects console_list updates and console->flags updates.
95 HLIST_HEAD(console_list);
96 EXPORT_SYMBOL_GPL(console_list);
3426 	hlist_entry(console_list.first, struct console, node)
3499 		if (hlist_empty(&console_list) || !console_first()->device ||
3540 	if (hlist_empty(&console_list)) {
3543 		hlist_add_head_rcu(&newcon->node, &console_list);
3548 		hlist_add_head_rcu(&newcon->node, &console_list);
3551 		hlist_add_behind_rcu(&newcon->node, console_list.first);
3575 		hlist_for_each_entry_safe(con, tmp, &console_list, node) {
3617 	if (!hlist_empty(&console_list) && console->flags & CON_CONSDEV)
3687 	hlist_add_head_rcu(&con->node, &console_list);
3742 	hlist_for_each_entry_safe(con, tmp, &console_list, node) {