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GET /api/patches/2196291/?format=api
{ "id": 2196291, "url": "http://patchwork.ozlabs.org/api/patches/2196291/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260213103942.142823-3-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": "<20260213103942.142823-3-skolothumtho@nvidia.com>", "list_archive_url": null, "date": "2026-02-13T10:39:39", "name": "[v6,2/5] 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/20260213103942.142823-3-skolothumtho@nvidia.com/mbox/", "series": [ { "id": 492079, "url": "http://patchwork.ozlabs.org/api/series/492079/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492079", "date": "2026-02-13T10:39:41", "name": "vEVENTQ support for accelerated SMMUv3 devices", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/492079/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196291/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196291/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=b0R2A/h8;\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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Ip=[216.228.117.160];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n CH1PEPF0000AD80.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM4PR12MB8500", "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=-0.001,\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>\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": [ "v6", "2/5" ] }