From patchwork Tue Feb 9 19:32:15 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 78155 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 o19JemuH006657 for ; Tue, 9 Feb 2010 19:40:50 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753432Ab0BITkp (ORCPT ); Tue, 9 Feb 2010 14:40:45 -0500 Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:54595 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751851Ab0BITdt (ORCPT ); Tue, 9 Feb 2010 14:33:49 -0500 Received: from fe-sfbay-09.sun.com ([192.18.43.129]) by sca-es-mail-2.sun.com (8.13.7+Sun/8.12.9) with ESMTP id o19JXchF001154; Tue, 9 Feb 2010 11:33:43 -0800 (PST) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: TEXT/PLAIN Received: from conversion-daemon.fe-sfbay-09.sun.com by fe-sfbay-09.sun.com (Sun Java(tm) System Messaging Server 7u2-7.04 64bit (built Jul 2 2009)) id <0KXL00K009J9A900@fe-sfbay-09.sun.com>; Tue, 09 Feb 2010 11:33:39 -0800 (PST) Received: from localhost.localdomain ([unknown] [129.146.52.180]) by fe-sfbay-09.sun.com (Sun Java(tm) System Messaging Server 7u2-7.04 64bit (built Jul 2 2009)) with ESMTPSA id <0KXL00F2VABRK400@fe-sfbay-09.sun.com>; Tue, 09 Feb 2010 11:33:31 -0800 (PST) Date: Tue, 09 Feb 2010 11:32:15 -0800 From: Yinghai Lu Subject: [PATCH 04/35] x86/pci: amd one chain system to use pci read out res In-reply-to: <1265743966-17065-1-git-send-email-yinghai@kernel.org> To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , Linus Torvalds Cc: Jesse Barnes , Christoph Lameter , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Yinghai Lu Message-id: <1265743966-17065-5-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.6.4.2 References: <1265743966-17065-1-git-send-email-yinghai@kernel.org> 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]); Tue, 09 Feb 2010 19:40:50 +0000 (UTC) diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index 2356ea1..e467071 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -87,11 +87,12 @@ static int __init early_fill_mp_bus_info(void) struct range range[RANGE_NUM]; u64 val; u32 address; + int found; if (!early_pci_allowed()) return -1; - found_all_numa_early = 0; + found = 0; for (i = 0; i < ARRAY_SIZE(pci_probes); i++) { u32 id; u16 device; @@ -105,12 +106,12 @@ static int __init early_fill_mp_bus_info(void) device = (id>>16) & 0xffff; if (pci_probes[i].vendor == vendor && pci_probes[i].device == device) { - found_all_numa_early = 1; + found = 1; break; } } - if (!found_all_numa_early) + if (!found) return 0; pci_root_num = 0; diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c index 30f65ce..3411687 100644 --- a/arch/x86/pci/bus_numa.c +++ b/arch/x86/pci/bus_numa.c @@ -5,7 +5,6 @@ int pci_root_num; struct pci_root_info pci_root_info[PCI_ROOT_NR]; -int found_all_numa_early; void x86_pci_root_bus_res_quirks(struct pci_bus *b) { @@ -21,10 +20,6 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b) if (!pci_root_num) return; - /* for amd, if only one root bus, don't need to do anything */ - if (pci_root_num < 2 && found_all_numa_early) - return; - for (i = 0; i < pci_root_num; i++) { if (pci_root_info[i].bus_min == b->number) break; diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h index 374ecc5..f63e802 100644 --- a/arch/x86/pci/bus_numa.h +++ b/arch/x86/pci/bus_numa.h @@ -20,7 +20,6 @@ struct pci_root_info { #define PCI_ROOT_NR 4 extern int pci_root_num; extern struct pci_root_info pci_root_info[PCI_ROOT_NR]; -extern int found_all_numa_early; extern void update_res(struct pci_root_info *info, resource_size_t start, resource_size_t end, unsigned long flags, int merge);