From patchwork Mon Apr 26 21:07:51 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai X-Patchwork-Id: 95195 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o3QLB8vr030804 for ; Mon, 26 Apr 2010 21:11:08 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753497Ab0DZVLH (ORCPT ); Mon, 26 Apr 2010 17:11:07 -0400 Received: from rcsinet10.oracle.com ([148.87.113.121]:43132 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753467Ab0DZVLG (ORCPT ); Mon, 26 Apr 2010 17:11:06 -0400 Received: from acsinet15.oracle.com (acsinet15.oracle.com [141.146.126.227]) by rcsinet10.oracle.com (Switch-3.4.2/Switch-3.4.1) with ESMTP id o3QL9PXV029351 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 26 Apr 2010 21:09:27 GMT Received: from acsmt354.oracle.com (acsmt354.oracle.com [141.146.40.154]) by acsinet15.oracle.com (Switch-3.4.2/Switch-3.4.1) with ESMTP id o3QGuPv3000876; Mon, 26 Apr 2010 21:09:23 GMT Received: from abhmt012.oracle.com by acsmt355.oracle.com with ESMTP id 210422021272316145; Mon, 26 Apr 2010 14:09:05 -0700 Received: from [10.6.76.26] (/10.6.76.26) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 26 Apr 2010 14:09:05 -0700 Message-ID: <4BD600A7.609@oracle.com> Date: Mon, 26 Apr 2010 14:07:51 -0700 From: Yinghai User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100317 SUSE/3.0.4-1.1.1 Thunderbird/3.0.4 MIME-Version: 1.0 To: Jesse Barnes , Linus Torvalds CC: Bjorn Helgaas , Andy Isaacson , "R. Andrew Bailey" , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , guenter.roeck@ericsson.com, "linux-pci@vger.kernel.org" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , Thomas Renninger , yaneti@declera.com Subject: Re: [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END References: <4BC4E55B.7000103@oracle.com> <20100426183436.GV11130@hexapodia.org> <20100426123135.5d095d2f@virtuousgeek.org> <201004261427.57229.bjorn.helgaas@hp.com> <20100426133757.3e1d0a75@virtuousgeek.org> In-Reply-To: <20100426133757.3e1d0a75@virtuousgeek.org> X-Auth-Type: Internal IP X-Source-IP: acsinet15.oracle.com [141.146.126.227] X-CT-RefId: str=0001.0A090206.4BD60108.018B:SCFMA922111,ss=1,fgs=0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 26 Apr 2010 21:11:08 +0000 (UTC) diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 7bca3c6..9849824 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -1094,7 +1094,7 @@ void __init e820_reserve_resources(void) * pci device BAR resource and insert them later in * pcibios_resource_survey() */ - if (e820.map[i].type != E820_RESERVED || res->start < (1ULL<<20)) { + if (e820.map[i].type != E820_RESERVED) { res->flags |= IORESOURCE_BUSY; insert_resource(&iomem_resource, res); }