From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267091AbUBRW64 (ORCPT ); Wed, 18 Feb 2004 17:58:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267068AbUBRW6z (ORCPT ); Wed, 18 Feb 2004 17:58:55 -0500 Received: from hera.kernel.org ([63.209.29.2]:27572 "EHLO hera.kernel.org") by vger.kernel.org with ESMTP id S267001AbUBRW6D (ORCPT ); Wed, 18 Feb 2004 17:58:03 -0500 To: linux-kernel@vger.kernel.org From: hpa@zytor.com (H. Peter Anvin) Subject: Re: [PATCH] Intel x86-64 support merge Date: Wed, 18 Feb 2004 22:57:31 +0000 (UTC) Organization: Transmeta Corporation, Santa Clara CA Message-ID: References: <200402182006.i1IK6CsS022562@hera.kernel.org> <1077139308.4479.8.camel@laptop.fenrus.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Trace: terminus.zytor.com 1077145051 16831 63.209.29.3 (18 Feb 2004 22:57:31 GMT) X-Complaints-To: news@terminus.zytor.com NNTP-Posting-Date: Wed, 18 Feb 2004 22:57:31 +0000 (UTC) X-Newsreader: trn 4.0-test76 (Apr 2, 2001) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Followup to: <1077139308.4479.8.camel@laptop.fenrus.com> By author: Arjan van de Ven In newsgroup: linux.dev.kernel > > On Wed, 2004-02-18 at 20:44, Linux Kernel Mailing List wrote: > > > The ugliest part is probably the swiotlb code. In fact the code for > > that is not even included, but just reused from IA64. swiotlb > > implements the PCI DMA API using bounce buffering. I don't like this at > > all, but there was no other way to support non DAC capable hardware > > (like IDE or USB) on machines with >3GB. Please redirect all flames for > > that to the Intel chipset designers. > > ehm... so why on earth did Intel cripple this new platform????? > Because they were caught by surprise and just hacked the chips they had in the pipeline, presumably. -hpa