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GET /api/1.1/patches/2230526/?format=api
{ "id": 2230526, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230526/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429135717.3048713-4-joshualant@gmail.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "<20260429135717.3048713-4-joshualant@gmail.com>", "date": "2026-04-29T13:48:37", "name": "[RFC,QEMU,03/10] cxl-type3: Properly unmap the memory-backend on device exit", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "368f8077d356532a2ea120322287083e9c936bcb", "submitter": { "id": 93283, "url": "http://patchwork.ozlabs.org/api/1.1/people/93283/?format=api", "name": "Joshua Lant", "email": "joshualant@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429135717.3048713-4-joshualant@gmail.com/mbox/", "series": [ { "id": 502144, "url": "http://patchwork.ozlabs.org/api/1.1/series/502144/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502144", "date": "2026-04-29T13:48:40", "name": "Initial Support for VCS Switching", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502144/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230526/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230526/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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=UwEqwGh2;\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-wm1-x336.google.com", "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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_GMAIL_RCVD=1,\n FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=no autolearn_force=no", "X-Spam_action": "no action", "X-Mailman-Approved-At": "Wed, 29 Apr 2026 16:03:14 -0400", "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": "Currently the backend remains mapped, meaning that if the device owning\nthe backend is hot-removed, it cannot be readded in the same QEMU\ninstance.\n\nSigned-off-by: Joshua Lant <joshualant@gmail.com>\n---\n hw/mem/cxl_type3.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c\nindex 68cd04b7d9..414c776028 100644\n--- a/hw/mem/cxl_type3.c\n+++ b/hw/mem/cxl_type3.c\n@@ -1072,12 +1072,15 @@ static void ct3_exit(PCIDevice *pci_dev)\n cxl_destroy_cci(&ct3d->cci);\n if (ct3d->dc.host_dc) {\n cxl_destroy_dc_regions(ct3d);\n+ host_memory_backend_set_mapped(ct3d->dc.host_dc, false);\n address_space_destroy(&ct3d->dc.host_dc_as);\n }\n if (ct3d->hostpmem) {\n+ host_memory_backend_set_mapped(ct3d->hostpmem, false);\n address_space_destroy(&ct3d->hostpmem_as);\n }\n if (ct3d->hostvmem) {\n+ host_memory_backend_set_mapped(ct3d->hostvmem, false);\n address_space_destroy(&ct3d->hostvmem_as);\n }\n }\n", "prefixes": [ "RFC", "QEMU", "03/10" ] }