From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755096Ab1LVKR5 (ORCPT ); Thu, 22 Dec 2011 05:17:57 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:51254 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753422Ab1LVKRy (ORCPT ); Thu, 22 Dec 2011 05:17:54 -0500 Date: Thu, 22 Dec 2011 11:15:56 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: Linus Torvalds , "Ted Ts'o" , Greg KH , Thomas Gleixner , akpm@linux-foundation.org, linux-kernel Subject: Re: [RFC][PATCH 6/7] printk: Poke printk extra hard Message-ID: <20111222101556.GA12976@elte.hu> References: <20111221105739.798864333@chello.nl> <20111221111143.620776435@chello.nl> <20111222070212.GA9593@elte.hu> <1324543413.24803.7.camel@twins> <20111222090352.GA11831@elte.hu> <1324545242.24803.11.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1324545242.24803.11.camel@twins> User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > On Thu, 2011-12-22 at 10:03 +0100, Ingo Molnar wrote: > > > Could be made part of the locking self-tests - that way it > > does not add an extra config option! ;-) > > Fair chance it will blow up and disable lockdep for pretty > much every console implementation out there, except 8250serial > when used in conjunction with all patches in this thread. If it blows up without being fixed then it's not a good idea. > Maybe not the normal vga console, but I haven't tried on a > machine that has a monitor attached yet (they're usually not > on remote power switches and I'm too lazy to reach over and > press reset). The VGA console does not require a monitor attached. Thanks, Ingo