From owner-freebsd-current Mon Sep 22 12:38:36 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id MAA12510 for current-outgoing; Mon, 22 Sep 1997 12:38:36 -0700 (PDT) Received: from ns.mt.sri.com (SRI-56K-FR.mt.net [206.127.65.42]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id MAA12502 for ; Mon, 22 Sep 1997 12:38:30 -0700 (PDT) Received: from rocky.mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.7/8.8.7) with ESMTP id NAA14694; Mon, 22 Sep 1997 13:38:24 -0600 (MDT) Received: (from nate@localhost) by rocky.mt.sri.com (8.7.5/8.7.3) id NAA02352; Mon, 22 Sep 1997 13:38:24 -0600 (MDT) Date: Mon, 22 Sep 1997 13:38:24 -0600 (MDT) Message-Id: <199709221938.NAA02352@rocky.mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Nate Williams Cc: "Justin T. Gibbs" , Terry Lambert , current@freebsd.org Subject: Re: cvs commit: src/sys/conf files src/sys/dev/vx if_vx.c if_vxreg.h src/sys/i386/apm apm.c src/sys/i386/conf GENERIC files.i386 In-Reply-To: <199709221905.NAA02100@rocky.mt.sri.com> References: <199709220647.XAA16869@usr07.primenet.com> <199709221559.JAA17865@pluto.plutotech.com> <199709221905.NAA02100@rocky.mt.sri.com> X-Mailer: VM 6.29 under 19.15 XEmacs Lucid Sender: owner-freebsd-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > Even so, it is probably better to store an absolute tick value regardless > > so that you don't have to perform the subtraction. > > A substraction is *dirt cheap* to do. Finding the element on the list > is much more expensive than the subtraction. Ignore this, I was confused. Of course this is a much better way of doing things than having to subtract every callout during softclock. Nate