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,URIBL_BLOCKED,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 88C34C48BCF for ; Thu, 10 Jun 2021 02:03:10 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4714261411 for ; Thu, 10 Jun 2021 02:03:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4714261411 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id D16B6405A0; Thu, 10 Jun 2021 02:03:09 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PJukyiW894w6; Thu, 10 Jun 2021 02:03:08 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 7C04040537; Thu, 10 Jun 2021 02:03:08 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 580F8C000E; Thu, 10 Jun 2021 02:03:08 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7C427C000B for ; Thu, 10 Jun 2021 02:03:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 6B8C383218 for ; Thu, 10 Jun 2021 02:03:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UQi32mc0KISD for ; Thu, 10 Jun 2021 02:03:06 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by smtp1.osuosl.org (Postfix) with ESMTPS id BEF97831AC for ; Thu, 10 Jun 2021 02:03:06 +0000 (UTC) IronPort-SDR: oGeO+DXNsv4KtcOHh3LicKnS8JgU7rOxszCdR19OAm30R42RfmeoR5FPxmRTcz0HsuIZg8utW4 HBQkqA4mLelQ== X-IronPort-AV: E=McAfee;i="6200,9189,10010"; a="202184166" X-IronPort-AV: E=Sophos;i="5.83,262,1616482800"; d="scan'208";a="202184166" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2021 19:03:06 -0700 IronPort-SDR: ZPQcP3zMcBv4W58SqafiORZKu0hzCNNC33oOmbfU7W8bGpLIfpNJYRYBdDfJXhd0KSnuFbyYKS 8067Y9En6HVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,262,1616482800"; d="scan'208";a="402500291" Received: from allen-box.sh.intel.com ([10.239.159.105]) by orsmga006.jf.intel.com with ESMTP; 09 Jun 2021 19:03:03 -0700 From: Lu Baolu To: Joerg Roedel Subject: [PATCH 04/23] iommu/vt-d: Select PCI_ATS explicitly Date: Thu, 10 Jun 2021 10:00:56 +0800 Message-Id: <20210610020115.1637656-5-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210610020115.1637656-1-baolu.lu@linux.intel.com> References: <20210610020115.1637656-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Cc: Fenghua Yu , Ashok Raj , Aditya Srivastava , Randy Dunlap , YueHaibing , "Gustavo A . R . Silva" , iommu@lists.linux-foundation.org, Colin Ian King , Will Deacon X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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 Acked-by: Will Deacon Link: https://lore.kernel.org/r/20210512065313.3441309-1-baolu.lu@linux.intel.com --- 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 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu