From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.ocs.com.au ([202.147.117.210]:58564 "EHLO mail.ocs.com.au") by vger.kernel.org with ESMTP id S1750706AbVLSXq2 (ORCPT ); Mon, 19 Dec 2005 18:46:28 -0500 From: Keith Owens Subject: Re: [PATCH 1/19] MUTEX: Introduce simple mutex implementation In-reply-to: Your message of "Fri, 16 Dec 2005 17:00:09 -0800." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 20 Dec 2005 10:46:14 +1100 Message-ID: <20054.1135035974@ocs3.ocs.com.au> Sender: linux-arch-owner@vger.kernel.org To: Linus Torvalds Cc: Joe Korty , Thomas Gleixner , Geert Uytterhoeven , Steven Rostedt , Andrew Morton , linux-arch@vger.kernel.org, Linux Kernel Development , matthew@wil.cx, arjan@infradead.org, Christoph Hellwig , mingo@elte.hu, Alan Cox , nikita@clusterfs.com, pj@sgi.com, dhowells@redhat.com List-ID: On Fri, 16 Dec 2005 17:00:09 -0800 (PST), Linus Torvalds wrote: >The Mars Pathfinder is just about the worst case "real system", and if I >recall correctly, the reason it was able to continue was _not_ because it >handled priority inversion, but because it reset itself every 24 hours or >something like that, and had debugging facilities.. >... >So put a watchdog on your critical systems, and make sure you can debug >them. Especially if they're on Mars. Who are you and what have you done with the real[1] Linus "I'm a sick and twisted person, and I trust people who write code without debuggers a lot more than I trust those who don't" Torvalds :-) [1] http://www.ussg.iu.edu/hypermail/linux/kernel/9510/0103.html