linux-kernel - Re: [RFC] killing the NR

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Date:	Fri, 16 Feb 2007 13:16:41 +0100
From:	Andi Kleen <ak@...e.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ingo Molnar <mingo@...e.hu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [RFC] killing the NR_IRQS arrays.


> 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
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