On Wed, 29 Jul 2015, Taichi Kageyama wrote: > - Keep interrupt disabled on the CPU which is used to detect > an interrupt during the timeout of autoconfig_irq(). > + Kick printk() on the CPU which detects interrupt > from a console serial port. This is wrong to begin with. How is that supposed to work on an UP machine? Not at all. So no, fix the code which has interrupts disabled accross autoprobing and do not try to apply bandaids somewhere else. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html