Re: [RFC PATCH v2 0/3] genirq, serial: 8250: Workaround to avoid irq=0 for console

From: Peter Hurley
Date: Wed Jul 29 2015 - 07:51:30 EST


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?

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