This patch fixes below build errors in case SMP=n: drivers/built-in.o: In function `fbcon_del_cursor_timer': /home/x0174654/kernel.org/linux-master/linux/drivers/video/console/fbcon.c:433: undefined reference to `del_timer_sync' drivers/built-in.o: In function `sysrq_disconnect': /home/x0174654/kernel.org/linux-master/linux/drivers/tty/sysrq.c:928: undefined reference to `del_timer_sync' drivers/built-in.o: In function `kd_mksound': /home/x0174654/kernel.org/linux-master/linux/drivers/tty/vt/keyboard.c:256: undefined reference to `del_timer_sync' drivers/built-in.o: In function `do_blank_screen': /home/x0174654/kernel.org/linux-master/linux/drivers/tty/vt/vt.c:3842: undefined reference to `del_timer_sync' drivers/built-in.o: In function `univ8250_release_irq': /home/x0174654/kernel.org/linux-master/linux/drivers/tty/serial/8250/8250_core.c:365: undefined reference to `del_timer_sync' drivers/built-in.o:/home/x0174654/kernel.org/linux-master/linux/drivers/base/power/wakeup.c:114: more undefined references to `del_timer_sync' follow Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx> --- kernel/time/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index c3314fc..a460cbb 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1118,7 +1118,7 @@ int try_to_del_timer_sync(struct timer_list *timer) } EXPORT_SYMBOL(try_to_del_timer_sync); -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT_RT_FULL) /** * del_timer_sync - deactivate a timer and wait for the handler to finish. * @timer: the timer to be deactivated -- 2.6.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html