From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757098Ab1FFIjZ (ORCPT ); Mon, 6 Jun 2011 04:39:25 -0400 Received: from merlin.infradead.org ([205.233.59.134]:52736 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756935Ab1FFIjW convert rfc822-to-8bit (ORCPT ); Mon, 6 Jun 2011 04:39:22 -0400 Subject: Re: [debug patch] printk: Add a printk killswitch to robustify NMI watchdog messages From: Peter Zijlstra To: Ingo Molnar Cc: Arne Jansen , Linus Torvalds , mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, efault@gmx.de, npiggin@kernel.dk, akpm@linux-foundation.org, frank.rowand@am.sony.com, tglx@linutronix.de, linux-tip-commits@vger.kernel.org In-Reply-To: <20110605151323.GA30590@elte.hu> References: <20110605095555.GA22058@elte.hu> <4DEB58D8.4000805@die-jansens.de> <20110605110132.GB23463@elte.hu> <20110605111933.GA24592@elte.hu> <20110605113627.GA25724@elte.hu> <4DEB6F3A.3000109@die-jansens.de> <20110605133958.GA27812@elte.hu> <4DEB8A93.30601@die-jansens.de> <20110605141003.GB29338@elte.hu> <4DEB933C.1070900@die-jansens.de> <20110605151323.GA30590@elte.hu> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Mon, 06 Jun 2011 10:38:50 +0200 Message-ID: <1307349530.2353.7374.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2011-06-05 at 17:13 +0200, Ingo Molnar wrote: > Now, this patch alone just removes a debugging check - but i'm not > sure the debugging check is correct - we take the pi_lock in a raw > way - which means it's not lockdep covered. Ever since tglx did s/raw_/arch_/g raw_ is covered by lockdep.