From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755530Ab2DCWel (ORCPT ); Tue, 3 Apr 2012 18:34:41 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:55410 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753693Ab2DCWek (ORCPT ); Tue, 3 Apr 2012 18:34:40 -0400 Date: Wed, 4 Apr 2012 00:34:35 +0200 From: Ingo Molnar To: "Eric W. Biederman" Cc: Bruno =?iso-8859-1?Q?Pr=E9mont?= , Greg KH , Peter Zijlstra , linux-kernel@vger.kernel.org, Linus Torvalds Subject: Re: [PATCH] Prevent crash on missing sysfs attribute group Message-ID: <20120403223435.GC10161@gmail.com> References: <1333403193.2960.80.camel@laptop> <20120403060252.GA27084@gmail.com> <20120403081735.78ca3bb3@pluto.restena.lu> <20120403071543.GA17502@gmail.com> <20120403080410.GF26826@gmail.com> <20120403101623.GA16889@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Eric W. Biederman wrote: > > This has no relevance to the bug and crash pattern itself > > whatsoever, so stop blathering about unrelated things. > > Crashing or BUG_ON or WARN_ON has no relevance to how hard it > is to debug this. [...] Erm, so you think the difference between a nice WARN_ON() and a machine that *DOES NOT BOOT* is irrelevant? In which universe? Smoking what kind of drugs? Seriously, you need a reality check. We settled the BUG_ON() versus WARN_ON() debate about a decade ago, in favor of WARN_ON(). Thanks, Ingo