From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759353AbXGZXX0 (ORCPT ); Thu, 26 Jul 2007 19:23:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753514AbXGZXXS (ORCPT ); Thu, 26 Jul 2007 19:23:18 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:51919 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752882AbXGZXXS (ORCPT ); Thu, 26 Jul 2007 19:23:18 -0400 Date: Thu, 26 Jul 2007 16:17:33 -0700 (PDT) From: Linus Torvalds To: David Miller cc: matthew@wil.cx, mingo@elte.hu, linux-kernel@vger.kernel.org Subject: Re: IRQF_DISABLED problem In-Reply-To: Message-ID: References: <20070726201355.GP19275@parisc-linux.org> <20070726.152352.70218024.davem@davemloft.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 26 Jul 2007, Linus Torvalds wrote: > > (c) "one IRQF_DISABLED means that everything runs disabled". This is > quite possibly buggy. (Side note: I'm not claiming this (or it's mirror image (d)) is really any better/worse than the current behaviour from a theoretical standpoint, but at least the current behaviour is _tested_, which makes it better in practice. So if we want to change this, I think we want to change it to something that is _obviously_ better). Linus