From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1DD9C433ED for ; Wed, 12 May 2021 06:54:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A86C61177 for ; Wed, 12 May 2021 06:54:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230109AbhELGzQ (ORCPT ); Wed, 12 May 2021 02:55:16 -0400 Received: from mga04.intel.com ([192.55.52.120]:47036 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229776AbhELGzP (ORCPT ); Wed, 12 May 2021 02:55:15 -0400 IronPort-SDR: jbnc5+LUPPjvs1Lg0OSXJuel7anz8m1aE7uPUg7+E3wjspddMx9mThHx/+4LZi9WCH3COKtx3H Lcjy2KuEXYcg== X-IronPort-AV: E=McAfee;i="6200,9189,9981"; a="197657902" X-IronPort-AV: E=Sophos;i="5.82,293,1613462400"; d="scan'208";a="197657902" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 23:54:07 -0700 IronPort-SDR: aTqd7fOFpvp5fzKzvPt2+oQwtRv7PGX4WSSynd0r4K98up9P1juiJX7Boevmyleg07BhMFehGp sewU67+Xdfpw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,293,1613462400"; d="scan'208";a="537510936" Received: from allen-box.sh.intel.com ([10.239.159.128]) by fmsmga001.fm.intel.com with ESMTP; 11 May 2021 23:54:04 -0700 From: Lu Baolu To: Joerg Roedel , Will Deacon Cc: ashok.raj@intel.com, kevin.tian@intel.com, jacob.jun.pan@intel.com, yi.l.liu@intel.com, sanjay.k.kumar@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly Date: Wed, 12 May 2021 14:53:13 +0800 Message-Id: <20210512065313.3441309-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Intel VT-d implementation supports device TLB management. Select PCI_ATS explicitly so that the pci_ats helpers are always available. Signed-off-by: Lu Baolu --- drivers/iommu/intel/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig index 28a3d1596c76..7e5b240b801d 100644 --- a/drivers/iommu/intel/Kconfig +++ b/drivers/iommu/intel/Kconfig @@ -14,6 +14,7 @@ config INTEL_IOMMU select SWIOTLB select IOASID select IOMMU_DMA + select PCI_ATS help DMA remapping (DMAR) devices support enables independent address translations for Direct Memory Access (DMA) from devices. -- 2.25.1