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Subject: Re: PATCH: 2.6.10 - Misrouted IRQ recovery for review
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Arjan van de Ven <arjan@infradead.org>
Cc: mingo@redhat.com, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: Tue, 28 Dec 2004 16:37:22 +0000
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> one question; I see you start passing a struct pt_regs around all over
> the place; does *anything* actually use that animal, or should we
> consider just passing a NULL .....
> (and eventually in 2.7 remove the parameter entirely from irq handlers?)

On x86-32 at least it is used because of the IRQ 13 handling for 386
systems on a maths FPU trap.

Alan