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GET /api/1.0/patches/2198059/?format=api
{ "id": 2198059, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2198059/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/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": "" }, "msgid": "<20260219090103.33697-3-skolothumtho@nvidia.com>", "date": "2026-02-19T09:01:00", "name": "[v7,2/5] 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/1.0/people/91580/?format=api", "name": "Shameer Kolothum", "email": "skolothumtho@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260219090103.33697-3-skolothumtho@nvidia.com/mbox/", "series": [ { "id": 492651, "url": "http://patchwork.ozlabs.org/api/1.0/series/492651/?format=api", "date": "2026-02-19T09:01:03", "name": "vEVENTQ support for accelerated SMMUv3 devices", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/492651/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2198059/checks/", "tags": {}, "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=bJWQuLNQ;\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", "softfail client-ip=2a01:111:f403:c10d::1;\n envelope-from=skolothumtho@nvidia.com;\n helo=SN4PR2101CU001.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 v7 2/5] hw/arm/smmuv3-accel: Add viommu free helper", "Date": "Thu, 19 Feb 2026 09:01:00 +0000", "Message-ID": "<20260219090103.33697-3-skolothumtho@nvidia.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260219090103.33697-1-skolothumtho@nvidia.com>", "References": "<20260219090103.33697-1-skolothumtho@nvidia.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[10.126.231.35]", "X-ClientProxiedBy": "rnnvmail203.nvidia.com (10.129.68.9) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SA2PEPF00003F66:EE_|LV3PR12MB9216:EE_", "X-MS-Office365-Filtering-Correlation-Id": "591a4b04-aa0e-43eb-8f90-08de6f958413", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|36860700013|82310400026|376014|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 SA2PEPF00003F66.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "LV3PR12MB9216", "X-Spam_score_int": "-10", "X-Spam_score": "-1.1", "X-Spam_bar": "-", "X-Spam_report": "(-1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.043,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n FORGED_SPF_HELO=1, SPF_HELO_PASS=-0.001,\n SPF_NONE=0.001 autolearn=no 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>\nReviewed-by: Eric Auger <eric.auger@redhat.com>\nTested-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": [ "v7", "2/5" ] }