From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yinghai Lu Subject: Re: [PATCH 19/20] x86/pci: ioh new version read all at same time Date: Mon, 22 Mar 2010 12:32:35 -0700 Message-ID: <4BA7C5D3.2040804@kernel.org> References: <1269155601-18247-1-git-send-email-yinghai@kernel.org> <1269155601-18247-20-git-send-email-yinghai@kernel.org> <20100322091620.5aebf353@jbarnes-piketon> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100322091620.5aebf353@jbarnes-piketon> Sender: linux-kernel-owner@vger.kernel.org To: Jesse Barnes Cc: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , David Miller , "Eric W. Biederman" , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org List-Id: linux-arch.vger.kernel.org On 03/22/2010 09:16 AM, Jesse Barnes wrote: > On Sun, 21 Mar 2010 00:13:20 -0700 > Yinghai Lu wrote: > >> also it will add back default range to legacy IOH >> > > This patch is a bit short on details. Are we fixing a real bug here > that _CRS fails to cover? Or is it just for debug purposes? > yes for debug purpose. anyway BIOS need to keep them the same. one from HW register reading, and one from acpi. Yinghai From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hera.kernel.org ([140.211.167.34]:37444 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752932Ab0CVTeF (ORCPT ); Mon, 22 Mar 2010 15:34:05 -0400 Message-ID: <4BA7C5D3.2040804@kernel.org> Date: Mon, 22 Mar 2010 12:32:35 -0700 From: Yinghai Lu MIME-Version: 1.0 Subject: Re: [PATCH 19/20] x86/pci: ioh new version read all at same time References: <1269155601-18247-1-git-send-email-yinghai@kernel.org> <1269155601-18247-20-git-send-email-yinghai@kernel.org> <20100322091620.5aebf353@jbarnes-piketon> In-Reply-To: <20100322091620.5aebf353@jbarnes-piketon> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: Jesse Barnes Cc: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , David Miller , "Eric W. Biederman" , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Message-ID: <20100322193235.de13jfG6-R6-ghvC8_4vakTFqBq7B4B4sZPmoVxwqK8@z> On 03/22/2010 09:16 AM, Jesse Barnes wrote: > On Sun, 21 Mar 2010 00:13:20 -0700 > Yinghai Lu wrote: > >> also it will add back default range to legacy IOH >> > > This patch is a bit short on details. Are we fixing a real bug here > that _CRS fails to cover? Or is it just for debug purposes? > yes for debug purpose. anyway BIOS need to keep them the same. one from HW register reading, and one from acpi. Yinghai