RE: [Questions]: how to extend nr_irqs for arch arm64

From: Thomas Gleixner
Date: Mon Jan 11 2016 - 03:52:32 EST


On Mon, 11 Jan 2016, Zhou Qiao(周侨) wrote:
> I met an issue here. The nr_irqs is extended when the start_irq + cnt >
> nr_irqs. So when nr_irqs is not extended(still 64), a device with a large
> hr_irq(70) will get a wrong virq. since it will be mod by nr_irqs before

No, it won't get a wrong virq. It will get a virq and it does not matter at
all whether the hardware irq number is 10, 70, 500 or 5000. What's your
problem?

Thanks,

tglx