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GET /api/patches/2195495/?format=api
{ "id": 2195495, "url": "http://patchwork.ozlabs.org/api/patches/2195495/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260211083415.133534-3-skolothumtho@nvidia.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260211083415.133534-3-skolothumtho@nvidia.com>", "list_archive_url": null, "date": "2026-02-11T08:34:12", "name": "[v5,2/5] hw/arm/smmuv3-accel: Add viommu free helper", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "be79f1a07246bf47d1a9fe3e5ba8eacdff09639d", "submitter": { "id": 91580, "url": "http://patchwork.ozlabs.org/api/people/91580/?format=api", "name": "Shameer Kolothum Thodi", "email": "skolothumtho@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260211083415.133534-3-skolothumtho@nvidia.com/mbox/", "series": [ { "id": 491794, "url": "http://patchwork.ozlabs.org/api/series/491794/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491794", "date": "2026-02-11T08:34:10", "name": "vEVENTQ support for accelerated SMMUv3 devices", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/491794/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195495/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195495/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.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 unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=BEvDoR4z;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail.nvidia.com; pr=C", "permerror client-ip=2a01:111:f403:c101::7;\n envelope-from=skolothumtho@nvidia.com;\n helo=BL0PR03CU003.outbound.protection.outlook.com" ], "From": "Shameer Kolothum <skolothumtho@nvidia.com>", "To": "<qemu-arm@nongnu.org>, <qemu-devel@nongnu.org>", "CC": "<eric.auger@redhat.com>, <peter.maydell@linaro.org>,\n <nicolinc@nvidia.com>, <nathanc@nvidia.com>, <mochs@nvidia.com>,\n <jan@nvidia.com>, <jgg@nvidia.com>, <jonathan.cameron@huawei.com>,\n <zhangfei.gao@linaro.org>, <zhenzhong.duan@intel.com>, <kjaju@nvidia.com>,\n <skolothumtho@nvidia.com>", "Subject": "[PATCH v5 2/5] hw/arm/smmuv3-accel: Add viommu free helper", "Date": "Wed, 11 Feb 2026 08:34:12 +0000", "Message-ID": "<20260211083415.133534-3-skolothumtho@nvidia.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260211083415.133534-1-skolothumtho@nvidia.com>", "References": "<20260211083415.133534-1-skolothumtho@nvidia.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[10.126.231.35]", "X-ClientProxiedBy": "rnnvmail201.nvidia.com (10.129.68.8) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SA2PEPF00003AE7:EE_|PH0PR12MB7837:EE_", "X-MS-Office365-Filtering-Correlation-Id": "8b1c9c09-90d7-4f52-0854-08de694880b2", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|376014|82310400026|36860700013|1800799024;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:216.228.117.161; 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Ip=[216.228.117.161];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n SA2PEPF00003AE7.namprd02.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "PH0PR12MB7837", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_NONE=0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Move viommu teardown into a helper function and use it from the\nlast device removal path. No functional change.\n\nReviewed-by: Nicolin Chen <nicolinc@nvidia.com>\nSigned-off-by: Shameer Kolothum <skolothumtho@nvidia.com>\n---\n hw/arm/smmuv3-accel.c | 21 +++++++++++++++------\n 1 file changed, 15 insertions(+), 6 deletions(-)", "diff": "diff --git a/hw/arm/smmuv3-accel.c b/hw/arm/smmuv3-accel.c\nindex f5cd4df336..c19c526fca 100644\n--- a/hw/arm/smmuv3-accel.c\n+++ b/hw/arm/smmuv3-accel.c\n@@ -390,6 +390,20 @@ bool smmuv3_accel_issue_inv_cmd(SMMUv3State *bs, void *cmd, SMMUDevice *sdev,\n sizeof(Cmd), &entry_num, cmd, errp);\n }\n \n+static void smmuv3_accel_free_viommu(SMMUv3AccelState *accel)\n+{\n+ IOMMUFDViommu *viommu = accel->viommu;\n+\n+ if (!viommu) {\n+ return;\n+ }\n+ iommufd_backend_free_id(viommu->iommufd, accel->bypass_hwpt_id);\n+ iommufd_backend_free_id(viommu->iommufd, accel->abort_hwpt_id);\n+ iommufd_backend_free_id(viommu->iommufd, accel->viommu->viommu_id);\n+ g_free(viommu);\n+ accel->viommu = NULL;\n+}\n+\n static bool\n smmuv3_accel_alloc_viommu(SMMUv3State *s, HostIOMMUDeviceIOMMUFD *idev,\n Error **errp)\n@@ -549,12 +563,7 @@ static void smmuv3_accel_unset_iommu_device(PCIBus *bus, void *opaque,\n trace_smmuv3_accel_unset_iommu_device(devfn, idev->devid);\n \n if (QLIST_EMPTY(&accel->device_list)) {\n- iommufd_backend_free_id(accel->viommu->iommufd, accel->bypass_hwpt_id);\n- iommufd_backend_free_id(accel->viommu->iommufd, accel->abort_hwpt_id);\n- iommufd_backend_free_id(accel->viommu->iommufd,\n- accel->viommu->viommu_id);\n- g_free(accel->viommu);\n- accel->viommu = NULL;\n+ smmuv3_accel_free_viommu(accel);\n }\n }\n \n", "prefixes": [ "v5", "2/5" ] }