From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758399AbZEVMWg (ORCPT ); Fri, 22 May 2009 08:22:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757485AbZEVMV7 (ORCPT ); Fri, 22 May 2009 08:21:59 -0400 Received: from wa4ehsobe005.messaging.microsoft.com ([216.32.181.15]:59833 "EHLO WA4EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758010AbZEVMV6 (ORCPT ); Fri, 22 May 2009 08:21:58 -0400 X-BigFish: VPS3(zzzz1202hzzz32i43j62h) X-Spam-TCS-SCL: 1:0 X-WSS-ID: 0KK1P00-04-A1T-01 From: Joerg Roedel To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org CC: Joerg Roedel Subject: [PATCH 11/12] amd-iommu: don't preallocate page tables with CONFIG_IOMMU_STRESS Date: Fri, 22 May 2009 14:21:32 +0200 Message-ID: <1242994893-28902-12-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.6.3.1 In-Reply-To: <1242994893-28902-1-git-send-email-joerg.roedel@amd.com> References: <1242994893-28902-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 22 May 2009 12:21:33.0111 (UTC) FILETIME=[D7DBF470:01C9DAD7] 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 [ impact: force testing of on-demand page table allocation code ] Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 543822b..33434c4 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -661,6 +661,10 @@ static int alloc_new_range(struct amd_iommu *iommu, int index = dma_dom->aperture_size >> APERTURE_RANGE_SHIFT; int i; +#ifdef CONFIG_IOMMU_STRESS + populate = false; +#endif + if (index >= APERTURE_MAX_RANGES) return -ENOMEM; -- 1.6.3.1