From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261680AbVGIShX (ORCPT ); Sat, 9 Jul 2005 14:37:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261683AbVGIShX (ORCPT ); Sat, 9 Jul 2005 14:37:23 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:61606 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S261680AbVGISgE (ORCPT ); Sat, 9 Jul 2005 14:36:04 -0400 Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt From: Lee Revell To: Arjan van de Ven Cc: azarah@nosferatu.za.org, Andrew Morton , Chris Wedgwood , linux-kernel@vger.kernel.org, torvalds@osdl.org, christoph@lameter.org In-Reply-To: <1120933916.3176.57.camel@laptopd505.fenrus.org> References: <200506231828.j5NISlCe020350@hera.kernel.org> <20050708214908.GA31225@taniwha.stupidest.org> <20050708145953.0b2d8030.akpm@osdl.org> <1120928891.17184.10.camel@lycan.lan> <1120932991.6488.64.camel@mindpipe> <1120933916.3176.57.camel@laptopd505.fenrus.org> Content-Type: text/plain Date: Sat, 09 Jul 2005 14:36:02 -0400 Message-Id: <1120934163.6488.72.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.2.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2005-07-09 at 20:31 +0200, Arjan van de Ven wrote: > why? Because the minimum poll/select timeout is now 4ms rather than 1ms. An app that has a soft RT constraint somewhere in the middle that worked on 2.6.12 will break on 2.6.13. > it's a config option. Some distros ship 100 already, others 1000, again > others will do 250. What does it matter? > (Although I still prefer 300 over 250 due to the 50/60 thing) > > This is not a userspace visible thing really with few exceptions, and > well people can select the one they want, right? Then why not leave the default at 1000? Lee