On Wed, 29 Jul 2015, Peter Hurley wrote: > On 07/29/2015 06:32 AM, Thomas Gleixner wrote: > > 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. > > Like printk() from some unrelated driver? If that's the cause for the wreckage then yes, we need a way to tell the printk code not to call into the driver until that initialization step is done. It's that simple. 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
