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GET /api/patches/1869534/?format=api
{ "id": 1869534, "url": "http://patchwork.ozlabs.org/api/patches/1869534/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-arc/patch/4-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com/", "project": { "id": 48, "url": "http://patchwork.ozlabs.org/api/projects/48/?format=api", "name": "Linux ARC development", "link_name": "linux-arc", "list_id": "linux-snps-arc.lists.infradead.org", "list_email": "linux-snps-arc@lists.infradead.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<4-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com>", "list_archive_url": null, "date": "2023-11-29T00:48:00", "name": "[04/10] iommu: Mark dev_iommu_get() with lockdep", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e931c49cdb2dbdadf39cfba625e92a3259184fcc", "submitter": { "id": 79424, "url": "http://patchwork.ozlabs.org/api/people/79424/?format=api", "name": "Jason Gunthorpe", "email": "jgg@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-arc/patch/4-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com/mbox/", "series": [ { "id": 384302, "url": "http://patchwork.ozlabs.org/api/series/384302/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-arc/list/?series=384302", "date": "2023-11-29T00:47:56", "name": "IOMMU related FW parsing cleanup", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/384302/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1869534/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1869534/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=LUnilKAP;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=E2suTQ/W;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; 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Y. Srinivasan\" <kys@microsoft.com>,\n\tLaxman Dewangan <ldewangan@nvidia.com>,\n\tLen Brown <lenb@kernel.org>,\n\tlinux-acpi@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-hyperv@vger.kernel.org,\n\tlinux-mips@vger.kernel.org,\n\tlinux-riscv@lists.infradead.org,\n\tlinux-snps-arc@lists.infradead.org,\n\tlinux-tegra@vger.kernel.org,\n\tRussell King <linux@armlinux.org.uk>,\n\tLorenzo Pieralisi <lpieralisi@kernel.org>,\n\tLyude Paul <lyude@redhat.com>,\n\tMarek Szyprowski <m.szyprowski@samsung.com>,\n\tnouveau@lists.freedesktop.org,\n\tPalmer Dabbelt <palmer@dabbelt.com>,\n\tPaul Walmsley <paul.walmsley@sifive.com>,\n\t\"Rafael J. Wysocki\" <rafael@kernel.org>,\n\tRob Herring <robh+dt@kernel.org>,\n\tRobin Murphy <robin.murphy@arm.com>,\n\tSudeep Holla <sudeep.holla@arm.com>,\n\tSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>,\n\tSven Peter <sven@svenpeter.dev>,\n\tThomas Bogendoerfer <tsbogend@alpha.franken.de>,\n\tVineet Gupta <vgupta@kernel.org>,\n\tVinod Koul <vkoul@kernel.org>,\n\tWei Liu <wei.liu@kernel.org>,\n\tWill Deacon <will@kernel.org>", "Cc": "Lu Baolu <baolu.lu@linux.intel.com>,\n\tChristoph Hellwig <hch@lst.de>,\n\tJerry Snitselaar <jsnitsel@redhat.com>,\n\tHector Martin <marcan@marcan.st>,\n\tMoritz Fischer <mdf@kernel.org>,\n\tpatches@lists.linux.dev,\n\t\"Rafael J. Wysocki\" <rafael.j.wysocki@intel.com>,\n\tRob Herring <robh@kernel.org>,\n\tThierry Reding <thierry.reding@gmail.com>", "Subject": "[PATCH 04/10] iommu: Mark dev_iommu_get() with lockdep", "Date": "Tue, 28 Nov 2023 20:48:00 -0400", "Message-ID": "<4-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com>", "In-Reply-To": "<0-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com>", "References": "", "X-ClientProxiedBy": "SA9PR13CA0137.namprd13.prod.outlook.com\n (2603:10b6:806:27::22) To LV2PR12MB5869.namprd12.prod.outlook.com\n (2603:10b6:408:176::16)", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "LV2PR12MB5869:EE_|MW5PR12MB5649:EE_", "X-MS-Office365-Filtering-Correlation-Id": "d1bdf8ff-f64a-496e-a0cb-08dbf074db78", "X-LD-Processed": "43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "\n CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(136003)(39860400002)(396003)(366004)(376002)(346002)(230922051799003)(186009)(1800799012)(64100799003)(451199024)(5660300002)(4744005)(7416002)(7366002)(7406005)(41300700001)(4326008)(8936002)(8676002)(2906002)(110136005)(316002)(66556008)(66476007)(54906003)(66946007)(2616005)(921008)(6486002)(478600001)(36756003)(6512007)(6506007)(26005)(6666004)(83380400001)(86362001)(38100700002)(4216001);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n 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", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n d1bdf8ff-f64a-496e-a0cb-08dbf074db78", "X-MS-Exchange-CrossTenant-AuthSource": "LV2PR12MB5869.namprd12.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "29 Nov 2023 00:48:09.3302\n (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n EBD5nuykfX7klNMDwWIsdYZdxnYvsR1Ki37BK0ZQ568I81hLt4tX3OnKqWnhzaHO", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MW5PR12MB5649", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20231128_164824_814244_430C2A1D ", "X-CRM114-Status": "GOOD ( 10.50 )", "X-Spam-Score": "0.6 (/)", "X-Spam-Report": "Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: Allocation of dev->iommu must be done under the\n iommu_probe_device_lock.\n Mark this with lockdep to discourage future mistakes. Reviewed-by: Jerry\n Snitselaar <jsnitsel@redhat.com> Tested-by: Hector Martin\n <marcan@marcan.st>\n Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> --- drivers/iommu/iommu.c\n | 2 ++ 1 file changed, 2 inser [...]\n Content analysis details: (0.6 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n 0.0 SPF_NONE SPF: sender does not publish an SPF Record\n -0.0 SPF_HELO_PASS SPF: HELO matches SPF record\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily\n valid\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n 1.0 FORGED_SPF_HELO No description available.\n -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender", "X-BeenThere": "linux-snps-arc@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "Linux on Synopsys ARC Processors <linux-snps-arc.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-snps-arc>,\n <mailto:linux-snps-arc-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-snps-arc/>", "List-Post": "<mailto:linux-snps-arc@lists.infradead.org>", "List-Help": "<mailto:linux-snps-arc-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-snps-arc>,\n <mailto:linux-snps-arc-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-snps-arc\" <linux-snps-arc-bounces@lists.infradead.org>", "Errors-To": "\n linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Allocation of dev->iommu must be done under the\niommu_probe_device_lock. Mark this with lockdep to discourage future\nmistakes.\n\nReviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>\nTested-by: Hector Martin <marcan@marcan.st>\nSigned-off-by: Jason Gunthorpe <jgg@nvidia.com>\n---\n drivers/iommu/iommu.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c\nindex 0d25468d53a68a..4323b6276e977f 100644\n--- a/drivers/iommu/iommu.c\n+++ b/drivers/iommu/iommu.c\n@@ -334,6 +334,8 @@ static struct dev_iommu *dev_iommu_get(struct device *dev)\n {\n \tstruct dev_iommu *param = dev->iommu;\n \n+\tlockdep_assert_held(&iommu_probe_device_lock);\n+\n \tif (param)\n \t\treturn param;\n \n", "prefixes": [ "04/10" ] }