From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932095Ab3HWTu2 (ORCPT ); Fri, 23 Aug 2013 15:50:28 -0400 Received: from cantor2.suse.de ([195.135.220.15]:58191 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755196Ab3HWTu0 (ORCPT ); Fri, 23 Aug 2013 15:50:26 -0400 Date: Fri, 23 Aug 2013 21:50:22 +0200 (CEST) From: Jiri Kosina X-X-Sender: jikos@deuxcents.site To: Andrew Morton Cc: Jan Kara , LKML , mhocko@suse.cz, hare@suse.de, Steven Rostedt Subject: Re: [PATCH 0/4 v6] Avoid softlockups in console_unlock() In-Reply-To: <20130822151427.38650aae09e909d52a57b393@linux-foundation.org> Message-ID: References: <1377072512-7986-1-git-send-email-jack@suse.cz> <20130821142723.5fd8c0b0062b35ee83a68dcc@linux-foundation.org> <20130821225915.GA16653@quack.suse.cz> <20130822124913.c6de8fe61e9fd601bd83ff63@linux-foundation.org> <20130822215742.GA32040@quack.suse.cz> <20130822151427.38650aae09e909d52a57b393@linux-foundation.org> User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 22 Aug 2013, Andrew Morton wrote: > Years of hard experience have taught me: don't muck with printk. It > needs to be robust, simple and to have minimum dependency on both the > calling environment and on correctly functioning kernel components. > printk and NMI are the harshest environments we have to deal with. NMI is harsh due to its design. printk() is harsh because of the way we have implemented it. So we'd better work on fixing it, methinks. -- Jiri Kosina SUSE Labs