From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263763AbUELVUo (ORCPT ); Wed, 12 May 2004 17:20:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263790AbUELVSi (ORCPT ); Wed, 12 May 2004 17:18:38 -0400 Received: from fw.osdl.org ([65.172.181.6]:10196 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S263798AbUELVOY (ORCPT ); Wed, 12 May 2004 17:14:24 -0400 Date: Wed, 12 May 2004 14:07:29 -0700 From: Andrew Morton To: Ingo Molnar Cc: Valdis.Kletnieks@vt.edu, davidel@xmailserver.org, jgarzik@pobox.com, greg@kroah.com, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Subject: Re: MSEC_TO_JIFFIES is messed up... Message-Id: <20040512140729.476ace9e.akpm@osdl.org> In-Reply-To: <20040512205028.GA18806@elte.hu> References: <20040512020700.6f6aa61f.akpm@osdl.org> <20040512181903.GG13421@kroah.com> <40A26FFA.4030701@pobox.com> <20040512193349.GA14936@elte.hu> <200405121947.i4CJlJm5029666@turing-police.cc.vt.edu> <200405122007.i4CK7GPQ020444@turing-police.cc.vt.edu> <20040512202807.GA16849@elte.hu> <20040512203500.GA17999@elte.hu> <20040512205028.GA18806@elte.hu> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > > yet another patch - this time it's: complete, covers irda, accelerates > HZ=100, unifies the slightly differing namespaces and compiles/boots as > well. > > ... > > [hz-cleanup-2.6.6-A2 text/plain (2657 bytes)] This doesn't have the little round up which some implementations had, so someone who tries to sleep for 9 millisscondes on a 100HZ box may end up in a busywait. Looks risky. The SCTP version looks like it'll generate awful code, so let's not use that.