From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 3 May 2001 06:38:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 3 May 2001 06:38:04 -0400 Received: from asterix.hrz.tu-chemnitz.de ([134.109.132.84]:4343 "EHLO asterix.hrz.tu-chemnitz.de") by vger.kernel.org with ESMTP id ; Thu, 3 May 2001 06:37:52 -0400 Date: Thu, 3 May 2001 12:37:50 +0200 From: Ingo Oeser To: Keith Owens Cc: Kai Henningsen , linux-kernel@vger.kernel.org Subject: Re: X15 alpha release: as fast as TUX but in user space (fwd) Message-ID: <20010503123749.E754@nightmaster.csn.tu-chemnitz.de> In-Reply-To: <80BTbB7Hw-B@khms.westfalen.de> <13656.988875876@kao2.melbourne.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <13656.988875876@kao2.melbourne.sgi.com>; from kaos@ocs.com.au on Thu, May 03, 2001 at 05:44:36PM +1000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 03, 2001 at 05:44:36PM +1000, Keith Owens wrote: > >2. How do you do it today, and why wouldn't that work? > > LD_PRELOAD on a library that overrides gettimeofday(). I can see no > reason why that would not continue to work. Static linkage? > What would stop working > are timewarp modules that intercepted the syscall at the kernel level > instead of user space level. That's what the poster talked about ;-) Think subterfuge (sp?) and friends. Regards Ingo Oeser -- 10.+11.03.2001 - 3. Chemnitzer LinuxTag <<<<<<<<<<<< been there and had much fun >>>>>>>>>>>>