On Mon, 2009-03-02 at 09:11 -0800, Linus Torvalds wrote:

<story about how PIO IDE sucks>

> So this is not as simple as your patch. Not even _nearly_.

Yuckness, yes that does complicate matters significantly. 

That leaves us trying to find all request_irq() invocations that do not
have IRQF_DISABLED.. /me puts it on the todo list.