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GET /api/1.1/patches/2222002/?format=api
{ "id": 2222002, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2222002/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410150457.85190-11-zhangckid@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": "<20260410150457.85190-11-zhangckid@gmail.com>", "date": "2026-04-10T15:04:53", "name": "[V6,10/14] virtio-balloon: Update tracking iothread users with holder name", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "38a5ee004c5e2e570a543608cde3ab019fccc1e0", "submitter": { "id": 72278, "url": "http://patchwork.ozlabs.org/api/1.1/people/72278/?format=api", "name": "Zhang Chen", "email": "zhangckid@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410150457.85190-11-zhangckid@gmail.com/mbox/", "series": [ { "id": 499477, "url": "http://patchwork.ozlabs.org/api/1.1/series/499477/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499477", "date": "2026-04-10T15:04:43", "name": "iothread: Support tracking and querying IOThread holders", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/499477/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222002/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222002/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=W6Jjm37t;\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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David Alan Gilbert\" <dave@treblig.org>,\n Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>,\n \"Michael S . Tsirkin\" <mst@redhat.com>,\n Stefan Hajnoczi <stefanha@redhat.com>", "Cc": "Zhang Chen <zhangckid@gmail.com>", "Subject": "[PATCH V6 10/14] virtio-balloon: Update tracking iothread users with\n holder name", "Date": "Fri, 10 Apr 2026 23:04:53 +0800", "Message-ID": "<20260410150457.85190-11-zhangckid@gmail.com>", "X-Mailer": "git-send-email 2.49.0", "In-Reply-To": "<20260410150457.85190-1-zhangckid@gmail.com>", "References": "<20260410150457.85190-1-zhangckid@gmail.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::1035;\n envelope-from=zhangckid@gmail.com; helo=mail-pj1-x1035.google.com", "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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-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": "Replace raw object_ref/unref calls with iothread_get/put_aio_context.\n\nSigned-off-by: Zhang Chen <zhangckid@gmail.com>\n---\n hw/virtio/virtio-balloon.c | 14 +++++++++-----\n 1 file changed, 9 insertions(+), 5 deletions(-)", "diff": "diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c\nindex 4c5f486ba2..8a4494905a 100644\n--- a/hw/virtio/virtio-balloon.c\n+++ b/hw/virtio/virtio-balloon.c\n@@ -892,14 +892,16 @@ static void virtio_balloon_device_realize(DeviceState *dev, Error **errp)\n s->svq = virtio_add_queue(vdev, 128, virtio_balloon_receive_stats);\n \n if (virtio_has_feature(s->host_features, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) {\n+ g_autofree char *path = object_get_canonical_path(OBJECT(s));\n+\n s->free_page_vq = virtio_add_queue(vdev, VIRTQUEUE_MAX_SIZE,\n virtio_balloon_handle_free_page_vq);\n precopy_add_notifier(&s->free_page_hint_notify);\n \n- object_ref(OBJECT(s->iothread));\n- s->free_page_bh = aio_bh_new_guarded(iothread_get_aio_context(s->iothread),\n- virtio_ballloon_get_free_page_hints, s,\n- &dev->mem_reentrancy_guard);\n+ s->free_page_bh = aio_bh_new_guarded(\n+ iothread_ref_and_get_aio_context(s->iothread, path),\n+ virtio_ballloon_get_free_page_hints, s,\n+ &dev->mem_reentrancy_guard);\n }\n \n if (virtio_has_feature(s->host_features, VIRTIO_BALLOON_F_REPORTING)) {\n@@ -919,9 +921,11 @@ static void virtio_balloon_device_unrealize(DeviceState *dev)\n \n qemu_unregister_resettable(OBJECT(dev));\n if (s->free_page_bh) {\n+ g_autofree char *path = object_get_canonical_path(OBJECT(s));\n+\n qemu_bh_delete(s->free_page_bh);\n- object_unref(OBJECT(s->iothread));\n virtio_balloon_free_page_stop(s);\n+ iothread_put_aio_context(s->iothread, path);\n precopy_remove_notifier(&s->free_page_hint_notify);\n }\n balloon_stats_destroy_timer(s);\n", "prefixes": [ "V6", "10/14" ] }