Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763642AbYFWUHk (ORCPT ); Mon, 23 Jun 2008 16:07:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755489AbYFWUHG (ORCPT ); Mon, 23 Jun 2008 16:07:06 -0400 Received: from gate.crashing.org ([63.228.1.57]:59988 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752397AbYFWUHD (ORCPT ); Mon, 23 Jun 2008 16:07:03 -0400 Subject: Re: [patch] x86 supports NO_IRQ convention From: Benjamin Herrenschmidt Reply-To: benh@kernel.crashing.org To: David Brownell Cc: lkml , Thomas Gleixner , Ingo Molnar , hpa@zytor.com In-Reply-To: <200806230428.20388.david-b@pacbell.net> References: <200806221953.18849.david-b@pacbell.net> <1214217751.8011.262.camel@pasglop> <200806230428.20388.david-b@pacbell.net> Content-Type: text/plain Date: Tue, 24 Jun 2008 06:06:31 +1000 Message-Id: <1214251591.8011.273.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.22.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 19 On Mon, 2008-06-23 at 04:28 -0700, David Brownell wrote: > On Monday 23 June 2008, Benjamin Herrenschmidt wrote: > > NO_IRQ on x86 is 0 > > There is no such #define for it. > And since zero is used for timer IRQs, it's not invalid. I'll refer you to past discussions with Linus here. 0 is invalid to drivers for all intend and purposes. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/