From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761243AbYBMNGa (ORCPT ); Wed, 13 Feb 2008 08:06:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756757AbYBMNGV (ORCPT ); Wed, 13 Feb 2008 08:06:21 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:35948 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754452AbYBMNGU (ORCPT ); Wed, 13 Feb 2008 08:06:20 -0500 Date: Wed, 13 Feb 2008 14:06:01 +0100 From: Ingo Molnar To: David Miller Cc: rdreier@cisco.com, linux-kernel@vger.kernel.org Subject: Re: Strange hang on ia64 with CONFIG_PRINTK_TIME=y Message-ID: <20080213130601.GF6344@elte.hu> References: <20080212.230156.33759433.davem@davemloft.net> <20080213125725.GC6344@elte.hu> <20080213.050340.64342037.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080213.050340.64342037.davem@davemloft.net> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian 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 * David Miller wrote: > I see nothing illegal in what cpu_clock() is doing, that's why I fixed > the sparc64 per-cpu problem I ran into since sparc64 was doing the > wrong thing when booted on a non-zero cpu. okay. I'm just somewhat uneasy about potentially losing the ability to printk. printk must stay simple and dependable. Maybe PRINTK_TIMESTAMPs should be delayed to at the point when system_state == SYSTEM_RUNNING. Ingo