From owner-cvs-all@FreeBSD.ORG Tue Dec 14 17:23:51 2004 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5874B16A4CE; Tue, 14 Dec 2004 17:23:51 +0000 (GMT) Received: from dragon.nuxi.com (trang.nuxi.com [66.93.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1A88C43D46; Tue, 14 Dec 2004 17:23:51 +0000 (GMT) (envelope-from obrien@NUXI.com) Received: from dragon.nuxi.com (obrien@localhost [127.0.0.1]) by dragon.nuxi.com (8.13.1/8.13.1) with ESMTP id iBEHNW1x001674; Tue, 14 Dec 2004 09:23:32 -0800 (PST) (envelope-from obrien@dragon.nuxi.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.13.1/8.13.1/Submit) id iBEHNVPZ001673; Tue, 14 Dec 2004 09:23:31 -0800 (PST) (envelope-from obrien) Date: Tue, 14 Dec 2004 09:23:31 -0800 From: "David O'Brien" To: Scott Long Message-ID: <20041214172331.GA1581@dragon.nuxi.com> References: <200412060827.iB68RAmE058040@repoman.freebsd.org> <200412131416.54087.peter@wemm.org> <20041214013304.GB3352@dragon.nuxi.com> <200412131939.46695.peter@wemm.org> <41BE6165.7070306@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41BE6165.7070306@freebsd.org> User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 6.0-CURRENT Organization: The NUXI BSD Group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 cc: Dag-Erling Sm?rgrav cc: src-committers@freebsd.org cc: cvs-all@freebsd.org cc: Peter Wemm cc: cvs-src@freebsd.org Subject: Re: cvs commit: src/sys/i386/pci pci_cfgreg.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: obrien@freebsd.org List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Dec 2004 17:23:51 -0000 On Mon, Dec 13, 2004 at 08:43:33PM -0700, Scott Long wrote: > Peter Wemm wrote: > >On that note, we still barely support anything more from AMD's platform > >than the basic instruction set due to lack of documentation.. That's > >why FreeBSD/amd64 ran so quickly on the Intel hardware. We only used > >the most basic features of the generic instruction set in an otherwise > >PC platform. We don't take advantage of the IOMMU, the timers, etc. > >(Still no documentation). I'd have expected AMD to push as hard as > >they can to get every advantage while Intel is still trying to recover > >their balance. > > Having IOMMU docs could have a very positive benefit for things like ATA > on amd64. However, I can't even begin to evaluate what that benefit > might be until docs become available. Beyond http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739_9004,00.html http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739_9003,00.html http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739_7044,00.html what docs do you want? -- -- David (obrien@FreeBSD.org)