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From: Greg KH <greg@kroah.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org,
	Stefan Bader <stefan.bader@canonical.com>,
	stable@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Yinghai Lu <yinghai@kernel.org>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [stable] [PATCH] x86: Reserve FIRST_DEVICE_VECTOR in used_vectors bitmap
Date: Fri, 10 Oct 2008 15:09:38 -0700	[thread overview]
Message-ID: <20081010220938.GB12671@kroah.com> (raw)
In-Reply-To: <20081010224907.480a9aa2@lxorguk.ukuu.org.uk>

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

      reply	other threads:[~2008-10-10 22:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-10 20:01 Stefan Bader
2008-10-10 20:16 ` [stable] " Greg KH
2008-10-10 20:23   ` Ingo Molnar
2008-10-10 20:29     ` Greg KH
2008-10-10 20:36       ` Stefan Bader
2008-10-10 20:41         ` Greg KH
2008-10-10 20:16 ` Greg KH
2008-10-10 20:22   ` Stefan Bader
2008-10-10 20:18 ` Greg KH
2008-10-10 20:24   ` Stefan Bader
2008-10-10 20:35   ` H. Peter Anvin
2008-10-10 20:41     ` Greg KH
2008-10-10 20:50       ` Alan Cox
2008-10-10 21:12         ` Greg KH
2008-10-10 21:49           ` Alan Cox
2008-10-10 22:09             ` Greg KH [this message]

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