Re: [stable] [PATCH] x86: Reserve FIRST_DEVICE_VECTOR inused_vectors bitmap

[Greg KH]

On Fri, Oct 10, 2008 at 10:49:07PM +0100, Alan Cox wrote:
> > > And more importantly dev->irq == 0 or IRQ == 0 to anything but arch
> > > internal code means "no interrupt line".
> > 
> > I thought we had changed that a while ago, as some arches had 0 as a
> > valid irq line.
> 
> No .. Linus decreed (and I think sensibly myself that IRQ = 0 meant no
> IRQ assigned).. the argument being that in C you naturally write stuff
> like
> 
> 		if (!dev->irq)

Ok, I was confused, thanks.

> I can dig up the reference URLS to the list mails if you want

Nah, I trust you :)

thanks,

greg k-h
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