On Fri, 31 Jul 2015, Taichi Kageyama wrote: > On 2015/07/31 8:43, Peter Hurley wrote: > >> If you look at the actual autoprobe users aside of 8250. That's really > >> all ancient ISA hardware and hardly interesting. So all we really care > >> about are the 8250 serial ports. > > In this case, I think [patch v2 1/3] is enough. > console_lock is required in autoconfig_irq() to resolve other race conditions > before calling probe_irq_on(). Fine with me. > >> So why are you interested in that serial irq autoprobe crap at all? > > > Because RHEL6 uses CONFIG_SERIAL_8250_DETECT_IRQ=y unfortunately. Doh! > I already got the following console solutions after discussion with Peter. > - Force set irq before any APs and getty open /dev/console. > Users have to know valid irq#. > - Fix FW to define PNP > - CONFIG_SERIAL_8250_DETECT_IRQ=n Ack! 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
