Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262531AbVEMT5m (ORCPT ); Fri, 13 May 2005 15:57:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262498AbVEMTxX (ORCPT ); Fri, 13 May 2005 15:53:23 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:56239 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S262521AbVEMTwB (ORCPT ); Fri, 13 May 2005 15:52:01 -0400 Date: Fri, 13 May 2005 21:52:15 +0200 From: Pavel Machek To: Andi Kleen Cc: Alexander Nyberg , Jan Beulich , discuss@x86-64.org, linux-kernel@vger.kernel.org Subject: Re: [discuss] Re: [PATCH] adjust x86-64 watchdog tick calculation Message-ID: <20050513195215.GC3135@elf.ucw.cz> References: <1115892008.918.7.camel@localhost.localdomain> <20050512142920.GA7079@openzaurus.ucw.cz> <20050513113023.GD15755@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20050513113023.GD15755@wotan.suse.de> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 829 Lines: 21 On P? 13-05-05 13:30:23, Andi Kleen wrote: > > Because it kills machine when interrupt latency gets too high? > > Like reading battery status using i2c... > > That's a bug in the I2C reader then. Don't shot the messenger for bad news. Disagreed. Linux is not real time OS. Perhaps some real-time constraints "may not spend > 100msec with interrupts disabled" would be healthy, but it certainly needs more discussion than "lets enable NMI watchdog.". It needs to be written somewhere in big bold letters, too. Pavel -- Boycott Kodak -- for their patent abuse against Java. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/