Re: [RFC] irq handling code consolidation, second try (ppc part)

[Anton Blanchard]

> The "easy" way here to implement that is to make the irq_desc array
> larger than NR_IRQs (or rather split NR_IRQs into NR_SYS_IRQS +
> NR_DYNAMIC_IRQS). The additional "slots" could then easily be
> allocated/freed. 

On ppc64 irqs are sparse and can be very large (> 1000) so we have a
mapping between them and slots in irq_desc[NR_IRQS]. I wonder how
hard it would be to kill irq_desc and just dynamically allocate
irq_desc stuff. That would solve my problem.

Anton