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From: Johannes Stezenbach <js@linuxtv.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: David Brownell <david-b@pacbell.net>,
	lkml <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	hpa@zytor.com
Subject: Re: [patch] x86 supports NO_IRQ convention
Date: Mon, 23 Jun 2008 13:34:22 +0200	[thread overview]
Message-ID: <20080623113422.GA20419@linuxtv.org> (raw)
In-Reply-To: <20080623100823.61213c3f@lxorguk.ukuu.org.uk>

On Mon, Jun 23, 2008 at 10:08:23AM +0100, Alan Cox wrote:
> 
> Zero is not a valid IRQ in the kernel mapping of things. If you have a
> physical IRQ 0 remap it.

I'm confused. On my Thinkpad with kernel 2.6.25 I get:

$ cat /proc/interrupts
           CPU0
  0:    4398925    XT-PIC-XT        timer
  1:     287065    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
...


Johannes

  parent reply	other threads:[~2008-06-23 11:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-23  2:53 [patch] x86 supports NO_IRQ convention David Brownell
2008-06-23  9:08 ` Alan Cox
2008-06-23 11:29   ` David Brownell
2008-06-23 14:20     ` Alan Cox
2008-06-23 11:34   ` Johannes Stezenbach [this message]
2008-06-23 10:42 ` Benjamin Herrenschmidt
2008-06-23 11:28   ` David Brownell
2008-06-23 20:06     ` Benjamin Herrenschmidt
     [not found] <fa.mcHAIQmpGZB1Vrm7ZD4/q9eo08Y@ifi.uio.no>
     [not found] ` <fa.E+RvbN2EFmsI1cxQ84PIB8FbX50@ifi.uio.no>
     [not found]   ` <fa.EDfpY1oxab2UaliWrUY0jyr5T1k@ifi.uio.no>
2008-06-24  2:20     ` Robert Hancock
2008-06-24  6:39       ` David Brownell
2008-06-24  9:12         ` Alan Cox

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