From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933516AbZIDJmY (ORCPT ); Fri, 4 Sep 2009 05:42:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933492AbZIDJmT (ORCPT ); Fri, 4 Sep 2009 05:42:19 -0400 Received: from tx2ehsobe005.messaging.microsoft.com ([65.55.88.15]:43828 "EHLO TX2EHSOBE009.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933462AbZIDJmF (ORCPT ); Fri, 4 Sep 2009 05:42:05 -0400 X-SpamScore: 3 X-BigFish: VPS3(zzzz1202hzzz32i203h43j65h) X-Spam-TCS-SCL: 4:0 X-WSS-ID: 0KPFXLZ-03-O1O-01 From: Joerg Roedel To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org CC: Joerg Roedel Subject: [PATCH 10/14] x86/amd-iommu: Remove bus_addr check in iommu_map_page Date: Fri, 4 Sep 2009 11:40:48 +0200 Message-ID: <1252057252-32074-11-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1252057252-32074-1-git-send-email-joerg.roedel@amd.com> References: <1252057252-32074-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 04 Sep 2009 09:40:55.0595 (UTC) FILETIME=[CCD377B0:01CA2D43] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The driver now supports full 64 bit device address spaces. So this check is not longer required. Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index ebc1c84..6ffb3e6 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -530,8 +530,7 @@ static int iommu_map_page(struct protection_domain *dom, bus_addr = PAGE_ALIGN(bus_addr); phys_addr = PAGE_ALIGN(phys_addr); - /* only support 512GB address spaces for now */ - if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK)) + if (!(prot & IOMMU_PROT_MASK)) return -EINVAL; pte = alloc_pte(dom, bus_addr, NULL, GFP_KERNEL); -- 1.6.3.3