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GET /api/1.2/patches/2225306/?format=api
{ "id": 2225306, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2225306/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420200339.708640-14-vsementsov@yandex-team.ru/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260420200339.708640-14-vsementsov@yandex-team.ru>", "list_archive_url": null, "date": "2026-04-20T20:03:28", "name": "[v6,13/22] vhost: move vrings mapping to the top of vhost_virtqueue_start()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b6da4f38aecd2c8ba5cba461b6624885477ddf9d", "submitter": { "id": 84116, "url": "http://patchwork.ozlabs.org/api/1.2/people/84116/?format=api", "name": "Vladimir Sementsov-Ogievskiy", "email": "vsementsov@yandex-team.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420200339.708640-14-vsementsov@yandex-team.ru/mbox/", "series": [ { "id": 500672, "url": "http://patchwork.ozlabs.org/api/1.2/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/2225306/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225306/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 (1024-bit key;\n unprotected) header.d=yandex-team.ru header.i=@yandex-team.ru\n header.a=rsa-sha256 header.s=default header.b=sptKxpIc;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net;\n dkim=pass header.i=@yandex-team.ru" ], "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 4fzxM56M2zz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 21 Apr 2026 06:06:09 +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 1wEuqz-0001dt-0E; Mon, 20 Apr 2026 16:04:21 -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 1wEuqq-0001PP-Cr\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 16:04:13 -0400", "from forwardcorp1d.mail.yandex.net ([178.154.239.200])\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 1wEuqo-0001xN-A4\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 16:04:12 -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 0868A8071E;\n Mon, 20 Apr 2026 23:04:09 +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-CjCKRb82; Mon, 20 Apr 2026 23:04:08 +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=1776715448;\n bh=XocdcTcecnBxB/Sds6p3bzMTQMvxaXfbHbggfQ8XQGg=;\n h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From;\n b=sptKxpIcclktT0cPCdkVSNOgpmjwrIoFuvJW7ZwXn1CkT6AX+nEsAV3EvvhmgiG5A\n OpBEmotuXWYgTi6V7WMl3N12q2B4lUcAE5fCwoGZXd/eUFbCM6IGdxxwq5lA+Dn/g1\n auyez3TtaeLBJxK3Kyv6L/aiQcdQcup3AdtpQ3Jo=", "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 13/22] vhost: move vrings mapping to the top of\n vhost_virtqueue_start()", "Date": "Mon, 20 Apr 2026 23:03:28 +0300", "Message-ID": "<20260420200339.708640-14-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=178.154.239.200;\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>", "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": "This simplifies further refactoring and final introduction\nof vhost backend live migration.\n\nSigned-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>\nReviewed-by: Raphael Norwitz <raphael.s.norwitz@gmail.com>\nReviewed-by: Daniil Tatianin <d-tatianin@yandex-team.ru>\n---\n hw/virtio/vhost.c | 45 ++++++++++++++++++++++-----------------------\n 1 file changed, 22 insertions(+), 23 deletions(-)", "diff": "diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c\nindex f43e563f0de..d5bafbcc4b3 100644\n--- a/hw/virtio/vhost.c\n+++ b/hw/virtio/vhost.c\n@@ -1303,29 +1303,6 @@ int vhost_virtqueue_start(struct vhost_dev *dev,\n return 0;\n }\n \n- vq->num = state.num = virtio_queue_get_num(vdev, idx);\n- r = dev->vhost_ops->vhost_set_vring_num(dev, &state);\n- if (r) {\n- VHOST_OPS_DEBUG(r, \"vhost_set_vring_num failed\");\n- return r;\n- }\n-\n- state.num = virtio_queue_get_last_avail_idx(vdev, idx);\n- r = dev->vhost_ops->vhost_set_vring_base(dev, &state);\n- if (r) {\n- VHOST_OPS_DEBUG(r, \"vhost_set_vring_base failed\");\n- return r;\n- }\n-\n- if (vhost_needs_vring_endian(vdev)) {\n- r = vhost_virtqueue_set_vring_endian_legacy(dev,\n- virtio_vdev_is_big_endian(vdev),\n- vhost_vq_index);\n- if (r) {\n- return r;\n- }\n- }\n-\n l = vq->desc_size;\n vq->desc = vhost_memory_map(dev, vq->desc_phys, l, false);\n if (!vq->desc) {\n@@ -1347,6 +1324,28 @@ int vhost_virtqueue_start(struct vhost_dev *dev,\n goto fail;\n }\n \n+ vq->num = state.num = virtio_queue_get_num(vdev, idx);\n+ r = dev->vhost_ops->vhost_set_vring_num(dev, &state);\n+ if (r) {\n+ VHOST_OPS_DEBUG(r, \"vhost_set_vring_num failed\");\n+ goto fail;\n+ }\n+\n+ state.num = virtio_queue_get_last_avail_idx(vdev, idx);\n+ r = dev->vhost_ops->vhost_set_vring_base(dev, &state);\n+ if (r) {\n+ VHOST_OPS_DEBUG(r, \"vhost_set_vring_base failed\");\n+ goto fail;\n+ }\n+\n+ if (vhost_needs_vring_endian(vdev)) {\n+ r = vhost_virtqueue_set_vring_endian_legacy(\n+ dev, virtio_vdev_is_big_endian(vdev), vhost_vq_index);\n+ if (r) {\n+ goto fail;\n+ }\n+ }\n+\n r = vhost_virtqueue_set_addr(dev, vq, vhost_vq_index, dev->log_enabled);\n if (r < 0) {\n goto fail;\n", "prefixes": [ "v6", "13/22" ] }