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So rather than adding Arm SMMUv3, which recently gained ATS support, to the list of relevant build options, simplify the noats description. Signed-off-by: Jean-Philippe Brucker --- Documentation/admin-guide/kernel-parameters.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index dbc22d684627..e5fa8d057a3c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3606,8 +3606,8 @@ on: Turn realloc on realloc same as realloc=on noari do not use PCIe ARI. - noats [PCIE, Intel-IOMMU, AMD-IOMMU] - do not use PCIe ATS (and IOMMU device IOTLB). + noats [PCIE] Do not use PCIe ATS (and IOMMU device + IOTLB). pcie_scan_all Scan all possible PCIe devices. Otherwise we only look for one device below a PCIe downstream port. -- 2.25.0 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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 04BBBC2BA83 for ; Thu, 13 Feb 2020 16:52:22 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 C37D324650 for ; Thu, 13 Feb 2020 16:52:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FRxKsOeY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C37D324650 Authentication-Results: mail.kernel.org; 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Thu, 13 Feb 2020 08:52:16 -0800 (PST) From: Jean-Philippe Brucker To: bhelgaas@google.com, will@kernel.org, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, joro@8bytes.org, baolu.lu@linux.intel.com, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH 11/11] Documentation: Generalize the "pci=noats" boot parameter Date: Thu, 13 Feb 2020 17:50:49 +0100 Message-Id: <20200213165049.508908-12-jean-philippe@linaro.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213165049.508908-1-jean-philippe@linaro.org> References: <20200213165049.508908-1-jean-philippe@linaro.org> MIME-Version: 1.0 Cc: mark.rutland@arm.com, frowand.list@gmail.com, corbet@lwn.net, liviu.dudau@arm.com, sudeep.holla@arm.com, rjw@rjwysocki.net, guohanjun@huawei.com, amurray@thegoodpenguin.co.uk, robin.murphy@arm.com, dwmw2@infradead.org, lenb@kernel.org 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 "pci=noats" kernel parameter disables PCIe ATS globally, and affects any ATS-capable IOMMU driver. So rather than adding Arm SMMUv3, which recently gained ATS support, to the list of relevant build options, simplify the noats description. Signed-off-by: Jean-Philippe Brucker --- Documentation/admin-guide/kernel-parameters.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index dbc22d684627..e5fa8d057a3c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3606,8 +3606,8 @@ on: Turn realloc on realloc same as realloc=on noari do not use PCIe ARI. - noats [PCIE, Intel-IOMMU, AMD-IOMMU] - do not use PCIe ATS (and IOMMU device IOTLB). + noats [PCIE] Do not use PCIe ATS (and IOMMU device + IOTLB). pcie_scan_all Scan all possible PCIe devices. Otherwise we only look for one device below a PCIe downstream port. -- 2.25.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 2B02DC2BA83 for ; Thu, 13 Feb 2020 16:55:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E5B3D206ED for ; 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Thu, 13 Feb 2020 08:52:16 -0800 (PST) Received: from localhost.localdomain ([2001:171b:2276:930:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id y6sm3484807wrl.17.2020.02.13.08.52.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2020 08:52:16 -0800 (PST) From: Jean-Philippe Brucker To: bhelgaas@google.com, will@kernel.org, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, joro@8bytes.org, baolu.lu@linux.intel.com, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH 11/11] Documentation: Generalize the "pci=noats" boot parameter Date: Thu, 13 Feb 2020 17:50:49 +0100 Message-Id: <20200213165049.508908-12-jean-philippe@linaro.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213165049.508908-1-jean-philippe@linaro.org> References: <20200213165049.508908-1-jean-philippe@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200213_085218_625850_BE61DD4E X-CRM114-Status: GOOD ( 10.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, frowand.list@gmail.com, corbet@lwn.net, liviu.dudau@arm.com, sudeep.holla@arm.com, rjw@rjwysocki.net, guohanjun@huawei.com, amurray@thegoodpenguin.co.uk, robin.murphy@arm.com, dwmw2@infradead.org, lenb@kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The "pci=noats" kernel parameter disables PCIe ATS globally, and affects any ATS-capable IOMMU driver. So rather than adding Arm SMMUv3, which recently gained ATS support, to the list of relevant build options, simplify the noats description. Signed-off-by: Jean-Philippe Brucker --- Documentation/admin-guide/kernel-parameters.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index dbc22d684627..e5fa8d057a3c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3606,8 +3606,8 @@ on: Turn realloc on realloc same as realloc=on noari do not use PCIe ARI. - noats [PCIE, Intel-IOMMU, AMD-IOMMU] - do not use PCIe ATS (and IOMMU device IOTLB). + noats [PCIE] Do not use PCIe ATS (and IOMMU device + IOTLB). pcie_scan_all Scan all possible PCIe devices. Otherwise we only look for one device below a PCIe downstream port. -- 2.25.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel