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GET /api/patches/2195049/?format=api
{ "id": 2195049, "url": "http://patchwork.ozlabs.org/api/patches/2195049/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210121438.67781-16-mjt@tls.msk.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": "<20260210121438.67781-16-mjt@tls.msk.ru>", "list_archive_url": null, "date": "2026-02-10T12:14:25", "name": "[Stable-10.2.1,72/78] virtio-pmem: ignore empty queue notifications", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5864752ba81f20de09b101cd66e3dea239b11206", "submitter": { "id": 183, "url": "http://patchwork.ozlabs.org/api/people/183/?format=api", "name": "Michael Tokarev", "email": "mjt@tls.msk.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210121438.67781-16-mjt@tls.msk.ru/mbox/", "series": [ { "id": 491661, "url": "http://patchwork.ozlabs.org/api/series/491661/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491661", "date": "2026-02-10T12:14:13", "name": "Patch Round-up for stable 10.2.1, freeze on 2026-02-10 (frozen)", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491661/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195049/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195049/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 spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists.gnu.org (lists.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 4f9LGf5g1xz1xvb\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 23:19:38 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpmfU-0002B0-JR; Tue, 10 Feb 2026 07:16:41 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mjt@tls.msk.ru>)\n id 1vpmeb-0001Mx-CI; Tue, 10 Feb 2026 07:15:48 -0500", "from isrv.corpit.ru ([212.248.84.144])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mjt@tls.msk.ru>)\n id 1vpmeX-0000JG-PK; Tue, 10 Feb 2026 07:15:40 -0500", "from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2])\n by isrv.corpit.ru (Postfix) with ESMTP id B25B3187DAA;\n Tue, 10 Feb 2026 15:13:52 +0300 (MSK)", "from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146])\n by tsrv.corpit.ru (Postfix) with ESMTP id 4431F360CCC;\n Tue, 10 Feb 2026 15:14:48 +0300 (MSK)" ], "From": "Michael Tokarev <mjt@tls.msk.ru>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-stable@nongnu.org, Li Chen <chenl311@chinatelecom.cn>,\n Li Chen <me@linux.beauty>, \"Michael S. Tsirkin\" <mst@redhat.com>,\n Michael Tokarev <mjt@tls.msk.ru>", "Subject": "[Stable-10.2.1 72/78] virtio-pmem: ignore empty queue notifications", "Date": "Tue, 10 Feb 2026 15:14:25 +0300", "Message-ID": "<20260210121438.67781-16-mjt@tls.msk.ru>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<qemu-stable-10.2.1-20260210151332@cover.tls.msk.ru>", "References": "<qemu-stable-10.2.1-20260210151332@cover.tls.msk.ru>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=212.248.84.144; envelope-from=mjt@tls.msk.ru;\n helo=isrv.corpit.ru", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, 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": "From: Li Chen <chenl311@chinatelecom.cn>\n\nvirtio_pmem_flush() treats a NULL return from virtqueue_pop() as a fatal\nerror and calls virtio_error(), which puts the device into NEEDS_RESET.\n\nHowever, virtqueue handlers can be invoked when no element is available,\nso an empty queue should be handled as a benign no-op.\n\nWith a Linux guest this avoids spurious NEEDS_RESET and the resulting\n-EIO propagation (e.g. EXT4 journal abort and remount-ro).\n\nSigned-off-by: Li Chen <me@linux.beauty>\nAcked-by: Michael S. Tsirkin <mst@redhat.com>\nReviewed-by: Michael S. Tsirkin <mst@redhat.com>\nSigned-off-by: Michael S. Tsirkin <mst@redhat.com>\nMessage-Id: <20260106083859.380338-1-me@linux.beauty>\n(cherry picked from commit efd581a8cd4405ca183ecd017072b0c878802d69)\nSigned-off-by: Michael Tokarev <mjt@tls.msk.ru>", "diff": "diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c\nindex 3416ea1827..cec1072f78 100644\n--- a/hw/virtio/virtio-pmem.c\n+++ b/hw/virtio/virtio-pmem.c\n@@ -74,7 +74,6 @@ static void virtio_pmem_flush(VirtIODevice *vdev, VirtQueue *vq)\n trace_virtio_pmem_flush_request();\n req_data = virtqueue_pop(vq, sizeof(VirtIODeviceRequest));\n if (!req_data) {\n- virtio_error(vdev, \"virtio-pmem missing request data\");\n return;\n }\n \n", "prefixes": [ "Stable-10.2.1", "72/78" ] }