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Show a patch.
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Update a patch.
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Update a patch.
GET /api/patches/1869523/?format=api
{ "id": 1869523, "url": "http://patchwork.ozlabs.org/api/patches/1869523/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-arc/patch/9-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": "<9-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com>", "list_archive_url": null, "date": "2023-11-29T00:48:05", "name": "[09/10] ACPI: IORT: Cast from ULL to phys_addr_t", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f58b730895e8de935e790f3ea3151906648c5ff1", "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/9-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/1869523/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1869523/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=TKqZo/yk;\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=p4z0EQ61;\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 09/10] ACPI: IORT: Cast from ULL to phys_addr_t", "Date": "Tue, 28 Nov 2023 20:48:05 -0400", "Message-ID": "<9-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": "SA0PR11CA0051.namprd11.prod.outlook.com\n (2603:10b6:806:d0::26) 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": "e971b518-71e1-485b-746d-08dbf074da8f", "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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If you have any questions, see\n the administrator of that system for details.\n Content preview: gcc on i386 (when compile testing) warns:\n drivers/acpi/arm64/iort.c:2014:18:\n warning: implicit conversion from 'unsigned long long' to 'phys_addr_t'\n (aka\n 'unsigned int') changes value from 18446744073709551615 to 4294967295\n [-Wconstant-conve\n [...]\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": "gcc on i386 (when compile testing) warns:\n\n drivers/acpi/arm64/iort.c:2014:18: warning: implicit conversion from 'unsigned long long' to 'phys_addr_t' (aka 'unsigned int') changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]\n local_limit = DMA_BIT_MASK(ncomp->memory_address_limit);\n\nBecause DMA_BIT_MASK returns a large ULL constant. Explicitly truncate it\nto phys_addr_t.\n\nSigned-off-by: Jason Gunthorpe <jgg@nvidia.com>\n---\n drivers/acpi/arm64/iort.c | 6 ++++--\n 1 file changed, 4 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c\nindex 6496ff5a6ba20d..bdaf9256870d92 100644\n--- a/drivers/acpi/arm64/iort.c\n+++ b/drivers/acpi/arm64/iort.c\n@@ -2011,7 +2011,8 @@ phys_addr_t __init acpi_iort_dma_get_max_cpu_address(void)\n \n \t\tcase ACPI_IORT_NODE_NAMED_COMPONENT:\n \t\t\tncomp = (struct acpi_iort_named_component *)node->node_data;\n-\t\t\tlocal_limit = DMA_BIT_MASK(ncomp->memory_address_limit);\n+\t\t\tlocal_limit = (phys_addr_t)DMA_BIT_MASK(\n+\t\t\t\tncomp->memory_address_limit);\n \t\t\tlimit = min_not_zero(limit, local_limit);\n \t\t\tbreak;\n \n@@ -2020,7 +2021,8 @@ phys_addr_t __init acpi_iort_dma_get_max_cpu_address(void)\n \t\t\t\tbreak;\n \n \t\t\trc = (struct acpi_iort_root_complex *)node->node_data;\n-\t\t\tlocal_limit = DMA_BIT_MASK(rc->memory_address_limit);\n+\t\t\tlocal_limit = (phys_addr_t)DMA_BIT_MASK(\n+\t\t\t\trc->memory_address_limit);\n \t\t\tlimit = min_not_zero(limit, local_limit);\n \t\t\tbreak;\n \t\t}\n", "prefixes": [ "09/10" ] }