From owner-cvs-src@FreeBSD.ORG Tue Oct 18 17:57:31 2005 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4D05116A41F; Tue, 18 Oct 2005 17:57:31 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.FreeBSD.org (Postfix) with ESMTP id E567643D49; Tue, 18 Oct 2005 17:57:30 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (unknown [192.168.48.2]) by phk.freebsd.dk (Postfix) with ESMTP id 96617BC84; Tue, 18 Oct 2005 17:57:28 +0000 (UTC) To: Nate Lawson From: "Poul-Henning Kamp" In-Reply-To: Your message of "Tue, 18 Oct 2005 09:50:37 PDT." <435527DD.3040007@root.org> Date: Tue, 18 Oct 2005 19:57:28 +0200 Message-ID: <69576.1129658248@critter.freebsd.dk> Sender: phk@critter.freebsd.dk Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Andrew Gallatin , cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/amd64 cpu_switch.S machdep.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Oct 2005 17:57:31 -0000 In message <435527DD.3040007@root.org>, Nate Lawson writes: >I have good information that in the near future, most designs will have >guaranteed synchronized TSC across all CPUs. ...and when those chips arrive, we can hopefully identify them by some bit in some MSR and then we can use the TSC on them. This is a good move and it is only too bad that it's taken the chip manufacturers 10 years to figure this out. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.