From owner-cvs-src@FreeBSD.ORG Tue Dec 13 00:46:25 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 DB8DD16A423; Tue, 13 Dec 2005 00:46:25 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id E22D743D5D; Tue, 13 Dec 2005 00:46:04 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.5b3) with ESMTP id 3676910 for multiple; Mon, 12 Dec 2005 19:48:13 -0500 Received: from [192.168.0.15] (osx.baldwin.cx [192.168.0.15]) (authenticated bits=0) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id jBD0jsxS015568; Mon, 12 Dec 2005 19:45:55 -0500 (EST) (envelope-from jhb@FreeBSD.org) In-Reply-To: <200512122227.jBCMR8SJ087111@repoman.freebsd.org> References: <200512122227.jBCMR8SJ087111@repoman.freebsd.org> Mime-Version: 1.0 (Apple Message framework v746.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <4587530C-E56F-4996-ADFE-D567B7D4547B@FreeBSD.org> Content-Transfer-Encoding: 7bit From: John Baldwin Date: Mon, 12 Dec 2005 19:45:34 -0500 To: Peter Wemm X-Mailer: Apple Mail (2.746.2) X-Spam-Status: No, score=-2.8 required=4.2 tests=ALL_TRUSTED autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx X-Server: High Performance Mail Server - http://surgemail.com r=1653887525 Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/isa clock.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, 13 Dec 2005 00:46:26 -0000 On Dec 12, 2005, at 5:27 PM, Peter Wemm wrote: > peter 2005-12-12 22:27:08 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/isa clock.c > Log: > For the amd64 platform, we can depend on the TSC being present. > This patch > changes DELAY to use the TSC once it has been calibrated. This > does NOT > use the TSC for long-term timekeeping. It only uses it to bound > the > DELAY() spinloop. This should not be affected by the Athlon64 X2 > TSC > quirks because the cpu is not halted while we use DELAY(). Are you going to merge this over to i386 as well? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org