From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 25 Feb 2002 22:27:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 25 Feb 2002 22:27:02 -0500 Received: from dsl-65-185-109-125.telocity.com ([65.185.109.125]:56194 "EHLO ohdarn.net") by vger.kernel.org with ESMTP id ; Mon, 25 Feb 2002 22:26:51 -0500 Date: Mon, 25 Feb 2002 22:26:53 -0500 From: Michael Cohen To: Robert Love Cc: alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org, marcelo@conectiva.com.br Subject: Re: Submissions for 2.4.19-pre [x86 Syscall Optimizations (Alexander Khripin)] Message-Id: <20020225222653.5d1a1d27.me@ohdarn.net> In-Reply-To: <1014693559.883.5.camel@phantasy> In-Reply-To: <20020225210721.2ffa8fb1.me@ohdarn.net> <20020225213255.2b403560.me@ohdarn.net> <1014693559.883.5.camel@phantasy> Organization: OhDarn.net X-Mailer: Sylpheed version 0.7.2 (GTK+ 1.2.10; i386-debian-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 On 25 Feb 2002 22:19:17 -0500 Robert Love wrote: > > See Subject ^^ Alexander Khripin. Looks to me like it improves latency > > quite a bit during syscalls. I'm unable to find the exact mail but I > > believe I was referred to this particular patch by someone on lkml. > > Eh? The patch doesn't do anything but move movl ops around. I suspect > the intention may to eliminate datapath stalls, which may be a fine > micro-optimization, but I think we need some numbers first ... UNIXbench numbers on the way :) ------ Michael Cohen