From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964976AbWGES1J (ORCPT ); Wed, 5 Jul 2006 14:27:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964974AbWGES1J (ORCPT ); Wed, 5 Jul 2006 14:27:09 -0400 Received: from terminus.zytor.com ([192.83.249.54]:33165 "EHLO terminus.zytor.com") by vger.kernel.org with ESMTP id S964976AbWGES1I (ORCPT ); Wed, 5 Jul 2006 14:27:08 -0400 Message-ID: <44AC0460.9060607@zytor.com> Date: Wed, 05 Jul 2006 11:26:40 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 1.5.0.4 (X11/20060614) MIME-Version: 1.0 To: Alan Cox CC: Linus Torvalds , Andi Kleen , Chuck Ebbert <76306.1226@compuserve.com>, Andrew Morton , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [patch] i386: early pagefault handler References: <200607050745_MC3-1-C42B-9937@compuserve.com> <44ABEB20.2010702@zytor.com> <1152124139.6533.1.camel@localhost.localdomain> In-Reply-To: <1152124139.6533.1.camel@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alan Cox wrote: > Ar Mer, 2006-07-05 am 09:54 -0700, ysgrifennodd Linus Torvalds: >> Anybody with that old a CPU will have learnt to to say "no-hlt" or >> whatever the kernel command line is, and we could probably retire the >> silly old hlt check (which I'm not even sure really ever worked). > > The one specific case I know precisely details of was the Cyrix 5510. A > hlt by the CPU on that chipset during an IDE DMA transfer hangs the > system forever. > > Its some years since I've even seen a 5510 and that check could be > automated anyway I think HLT for a die loop should be safe :) -hpa