Date: Sat, 16 Aug 2008 16:39:45 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>, "H. Peter Anvin" <hpa@zytor.com>,
       Jesse Barnes <jbarnes@virtuousgeek.org>, Ingo Molnar <mingo@elte.hu>,
       Thomas Gleixner <tglx@linutronix.de>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       Andrew Vasquez <andrew.vasquez@qlogic.com>
Subject: Re: [PATCH] pci: change msi-x vector to 32bit
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> Where exactly is this code in the kernel?  Most arches assume the irq is
> an index to a compact table bounded by NR_IRQS, so something like this
> would violate that assumption.

Yes, which is no bad thing for some platforms. There are some driver
assumptions like that but those have also been stomped.

Alan
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