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From: Andi Kleen <ak@suse.de>
Subject: Re: [RFC] killing the NR_IRQS arrays.
Date: Fri, 16 Feb 2007 13:16:41 +0100
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> I expect the most it makes sense to aim for 2.6.22 are the genirq
> changes so the internal arch code is passing struct irq_desc
> everywhere internally. 

Are there any livetime issues with passing pointers around? 
e.g. what happens on APIC hotunplug etc.? We don't necessarily
support that yet, but for a big interface change it should 
be probably kept in mind first.

-Andi