Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751978AbbFMGr4 (ORCPT ); Sat, 13 Jun 2015 02:47:56 -0400 Received: from 8bytes.org ([81.169.241.247]:51330 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751096AbbFMGrj (ORCPT ); Sat, 13 Jun 2015 02:47:39 -0400 From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: David Woodhouse , zhen-hual@hp.com, bhe@redhat.com, ddutile@redhat.com, alex.williamson@redhat.com, dyoung@redhat.com, linux-kernel@vger.kernel.org, jroedel@8bytes.org, joro@8bytes.org, Joerg Roedel Subject: [PATCH 02/19] iommu/vt-d: Init QI before root entry is allocated Date: Sat, 13 Jun 2015 08:47:10 +0200 Message-Id: <1434178047-17809-3-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1434178047-17809-1-git-send-email-joro@8bytes.org> References: <1434178047-17809-1-git-send-email-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1183 Lines: 41 From: Joerg Roedel QI needs to be available when we write the root entry into hardware because flushes might be necessary after this. Signed-off-by: Joerg Roedel --- drivers/iommu/intel-iommu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 14af51d..b380fd1 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2783,6 +2783,8 @@ static int __init init_dmars(void) for_each_active_iommu(iommu, drhd) { g_iommus[iommu->seq_id] = iommu; + intel_iommu_init_qi(iommu); + ret = iommu_init_domains(iommu); if (ret) goto free_iommu; @@ -2799,9 +2801,6 @@ static int __init init_dmars(void) hw_pass_through = 0; } - for_each_active_iommu(iommu, drhd) - intel_iommu_init_qi(iommu); - if (iommu_pass_through) iommu_identity_mapping |= IDENTMAP_ALL; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/