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GET /api/patches/2225303/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2225303,
    "url": "http://patchwork.ozlabs.org/api/patches/2225303/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420200339.708640-19-vsementsov@yandex-team.ru/",
    "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": "<20260420200339.708640-19-vsementsov@yandex-team.ru>",
    "list_archive_url": null,
    "date": "2026-04-20T20:03:33",
    "name": "[v6,18/22] vhost: vhost_dev_init(): simplify features initialization",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "3f92f27c283bb34e39f1806689f39102bf7d805b",
    "submitter": {
        "id": 84116,
        "url": "http://patchwork.ozlabs.org/api/people/84116/?format=api",
        "name": "Vladimir Sementsov-Ogievskiy",
        "email": "vsementsov@yandex-team.ru"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420200339.708640-19-vsementsov@yandex-team.ru/mbox/",
    "series": [
        {
            "id": 500672,
            "url": "http://patchwork.ozlabs.org/api/series/500672/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500672",
            "date": "2026-04-20T20:03:18",
            "name": "vhost refactoring and fixes",
            "version": 6,
            "mbox": "http://patchwork.ozlabs.org/series/500672/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2225303/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2225303/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": [
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        ],
        "Received": [
            "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fzxLr52hRz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 21 Apr 2026 06:05:56 +1000 (AEST)",
            "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wEur2-0001lv-NW; Mon, 20 Apr 2026 16:04:24 -0400",
            "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <vsementsov@yandex-team.ru>)\n id 1wEur0-0001gF-4g\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 16:04:22 -0400",
            "from forwardcorp1d.mail.yandex.net\n ([2a02:6b8:c41:1300:1:45:d181:df01])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <vsementsov@yandex-team.ru>)\n id 1wEuqy-00020p-EV\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 16:04:21 -0400",
            "from mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net\n (mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net\n [IPv6:2a02:6b8:c42:94a9:0:640:a3fa:0])\n by forwardcorp1d.mail.yandex.net (Yandex) with ESMTPS id B97898075E;\n Mon, 20 Apr 2026 23:04:18 +0300 (MSK)",
            "from vsementsov-lin (unknown [2a02:6bf:8080:54b::1:34])\n by mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net (smtpcorp) with ESMTPSA\n id f3YMX10K1Sw0-i8DFrlwM; Mon, 20 Apr 2026 23:04:17 +0300"
        ],
        "Precedence": "bulk",
        "X-Yandex-Fwd": "1",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru;\n s=default; t=1776715458;\n bh=vyElk3FXLNKWSELumKfi8IPDAq8aQq0zwO2Sd49gLCs=;\n h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From;\n b=Yo9hkl0pAj+aU4PtUgTEnzd4COY8bEZ4ONuImVPL/ZWkQw+Z/S1nXBBNVw1bNYx4O\n AkGvXniSpr/D4+cVfjC5qWju5QqGX+ziKpCC4uvrng1tJseFg1jFgfeFsl9u8yCXbQ\n Jb3k5gbU3Ijl18ZKqQ9AHSiXdAyi+GpOdIJcqzKg=",
        "From": "Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>",
        "To": "mst@redhat.com",
        "Cc": "sgarzare@redhat.com, raphael@enfabrica.net, qemu-devel@nongnu.org,\n vsementsov@yandex-team.ru, yc-core@yandex-team.ru,\n d-tatianin@yandex-team.ru, Raphael Norwitz <raphael.s.norwitz@gmail.com>",
        "Subject": "[PATCH v6 18/22] vhost: vhost_dev_init(): simplify features\n initialization",
        "Date": "Mon, 20 Apr 2026 23:03:33 +0300",
        "Message-ID": "<20260420200339.708640-19-vsementsov@yandex-team.ru>",
        "X-Mailer": "git-send-email 2.52.0",
        "In-Reply-To": "<20260420200339.708640-1-vsementsov@yandex-team.ru>",
        "References": "<20260420200339.708640-1-vsementsov@yandex-team.ru>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Received-SPF": "pass client-ip=2a02:6b8:c41:1300:1:45:d181:df01;\n envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1d.mail.yandex.net",
        "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, 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",
        "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>",
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        "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": "Drop extra variable and extra function parameter passing, initialize\ndev._features directly.\n\nSigned-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>\nReviewed-by: Daniil Tatianin <d-tatianin@yandex-team.ru>\nReviewed-by: Raphael Norwitz <raphael.s.norwitz@gmail.com>\n---\n hw/virtio/vhost.c | 14 +++++---------\n 1 file changed, 5 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c\nindex 55ce7ae977f..93c6a5f5e9a 100644\n--- a/hw/virtio/vhost.c\n+++ b/hw/virtio/vhost.c\n@@ -1560,18 +1560,17 @@ static void vhost_virtqueue_cleanup(struct vhost_virtqueue *vq)\n     }\n }\n \n-static int vhost_dev_get_features(struct vhost_dev *hdev,\n-                                  uint64_t *features)\n+static int vhost_dev_init_features(struct vhost_dev *hdev)\n {\n     uint64_t features64;\n     int r;\n \n     if (hdev->vhost_ops->vhost_get_features_ex) {\n-        return hdev->vhost_ops->vhost_get_features_ex(hdev, features);\n+        return hdev->vhost_ops->vhost_get_features_ex(hdev, hdev->_features_ex);\n     }\n \n     r = hdev->vhost_ops->vhost_get_features(hdev, &features64);\n-    virtio_features_from_u64(features, features64);\n+    virtio_features_from_u64(hdev->_features_ex, features64);\n     return r;\n }\n \n@@ -1579,7 +1578,6 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,\n                    VhostBackendType backend_type, uint32_t busyloop_timeout,\n                    Error **errp)\n {\n-    uint64_t features[VIRTIO_FEATURES_NU64S];\n     unsigned int used, reserved, limit;\n     int i, r, n_initialized_vqs = 0;\n \n@@ -1600,9 +1598,9 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,\n         goto fail;\n     }\n \n-    r = vhost_dev_get_features(hdev, features);\n+    r = vhost_dev_init_features(hdev);\n     if (r < 0) {\n-        error_setg_errno(errp, -r, \"vhost_get_features failed\");\n+        error_setg_errno(errp, -r, \"vhost_init_features failed\");\n         goto fail;\n     }\n \n@@ -1628,8 +1626,6 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,\n         }\n     }\n \n-    virtio_features_copy(hdev->_features_ex, features);\n-\n     hdev->memory_listener = (MemoryListener) {\n         .name = \"vhost\",\n         .begin = vhost_begin,\n",
    "prefixes": [
        "v6",
        "18/22"
    ]
}