Re: [PATCH v2 2/2] genirq: Synchronize only with single thread on free_irq()

[Thomas Gleixner]

On Sun, 24 Jun 2018, Lukas Wunner wrote:

> When pciehp is converted to threaded IRQ handling, removal of unplugged
> devices below a PCIe hotplug port happens synchronously in the IRQ
> thread.  Removal of devices typically entails a call to free_irq() by
> their drivers.

Is this an actual mainline problem or did you discover that in course of
upcoming work?

Thanks,

        tglx