From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752738Ab0LOWSz (ORCPT ); Wed, 15 Dec 2010 17:18:55 -0500 Received: from terminus.zytor.com ([198.137.202.10]:54940 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752155Ab0LOWSy (ORCPT ); Wed, 15 Dec 2010 17:18:54 -0500 Message-ID: <4D093EC3.7000308@zytor.com> Date: Wed, 15 Dec 2010 14:18:43 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc13 Thunderbird/3.1.7 MIME-Version: 1.0 To: Len Brown CC: Jack Steiner , hmh@hmh.eng.br, tony.luck@gmail.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, gbeshers@sgi.com Subject: Re: [PATCH] - Mapping ACPI tables as CACHED References: <20101214220932.GA1206@sgi.com> <20101215024136.GB19601@sgi.com> <20101215164635.GA27373@sgi.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/15/2010 01:16 PM, Len Brown wrote: > > I'll bet we can improve the boot sequence so that > some of the stuff we do before we have cached mappings > we can do with cached mappings... > We checksum all the tables, enumerate the CPUs and the APICs > all using non-cached mappings.... > I don't think we have any reason to use uncached mappings, ever... -hpa