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GET /api/1.2/patches/2221394/?format=api
{ "id": 2221394, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221394/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260409-fix_ioevent-v1-2-053b810ae6fb@linux.microsoft.com/", "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": "<20260409-fix_ioevent-v1-2-053b810ae6fb@linux.microsoft.com>", "list_archive_url": null, "date": "2026-04-09T11:53:07", "name": "[2/2] accel/mshv: return correct errno value from ioeventfd failure", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ed106f9e7506c99662b23645aba9f5cb26d2cc27", "submitter": { "id": 92925, "url": "http://patchwork.ozlabs.org/api/1.2/people/92925/?format=api", "name": "Aastha Rawat", "email": "aastharawat@linux.microsoft.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260409-fix_ioevent-v1-2-053b810ae6fb@linux.microsoft.com/mbox/", "series": [ { "id": 499282, "url": "http://patchwork.ozlabs.org/api/1.2/series/499282/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499282", "date": "2026-04-09T11:53:06", "name": "Fix issues in accel/mshv ioeventfd handling", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499282/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221394/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221394/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=linux.microsoft.com header.i=@linux.microsoft.com\n header.a=rsa-sha256 header.s=default header.b=KJ/69FkY;\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=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 (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 4fryyX1P7Kz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 09 Apr 2026 21:54:12 +1000 (AEST)", "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 1wAnxB-0006Gg-7l; Thu, 09 Apr 2026 07:53:45 -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 <aastharawat@linux.microsoft.com>)\n id 1wAnx9-0006Fo-UN\n for qemu-devel@nongnu.org; Thu, 09 Apr 2026 07:53:43 -0400", "from linux.microsoft.com ([13.77.154.182])\n by eggs.gnu.org with esmtp (Exim 4.90_1)\n (envelope-from <aastharawat@linux.microsoft.com>) id 1wAnx7-0000Fi-Oq\n for qemu-devel@nongnu.org; Thu, 09 Apr 2026 07:53:43 -0400", "from localhost (unknown [131.107.147.136])\n by linux.microsoft.com (Postfix) with ESMTPSA id EAAD420B7129;\n Thu, 9 Apr 2026 04:53:39 -0700 (PDT)" ], "DKIM-Filter": "OpenDKIM Filter v2.11.0 linux.microsoft.com EAAD420B7129", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1775735620;\n bh=968+R5QinbpCMEGNp1o9WJBEA7Zubhh3wG4nw0uiz5U=;\n h=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n b=KJ/69FkYLGBQbAY9zNUksU0eKSJW/rU/B7jj/92p7dHfZVWCz0P7L0tC6Au/unfKd\n 3tt2BVlCsrJfuf8jkHmuVKI8WIzHIbth7WuXv2wZ396MLCbxvDQeVUxSLgr+j7v6Zq\n M/VXJc3e1mN6In/VOCJbSLWRyyXKjEDG9aIPV7os=", "From": "Aastha Rawat <aastharawat@linux.microsoft.com>", "Date": "Thu, 09 Apr 2026 11:53:07 +0000", "Subject": "[PATCH 2/2] accel/mshv: return correct errno value from ioeventfd\n failure", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260409-fix_ioevent-v1-2-053b810ae6fb@linux.microsoft.com>", "References": "<20260409-fix_ioevent-v1-0-053b810ae6fb@linux.microsoft.com>", "In-Reply-To": "<20260409-fix_ioevent-v1-0-053b810ae6fb@linux.microsoft.com>", "To": "qemu-devel@nongnu.org", "Cc": "Magnus Kulke <magnuskulke@linux.microsoft.com>,\n Wei Liu <wei.liu@kernel.org>,\n Aastha Rawat <aastharawat@linux.microsoft.com>", "X-Mailer": "b4 0.15.1", "Received-SPF": "pass client-ip=13.77.154.182;\n envelope-from=aastharawat@linux.microsoft.com; helo=linux.microsoft.com", "X-Spam_score_int": "-42", "X-Spam_score": "-4.3", "X-Spam_bar": "----", "X-Spam_report": "(-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-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": "Returning the raw ioctl return value results in misleading error\nmessage. Ensure that actual failure reason is propagated by returning\n-errno for ioeventfd failure.\n\nSigned-off-by: Aastha Rawat <aastharawat@linux.microsoft.com>\n---\n accel/mshv/mshv-all.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)", "diff": "diff --git a/accel/mshv/mshv-all.c b/accel/mshv/mshv-all.c\nindex e1a8d62f8d..58af674bd9 100644\n--- a/accel/mshv/mshv-all.c\n+++ b/accel/mshv/mshv-all.c\n@@ -275,7 +275,12 @@ static int ioeventfd(int vm_fd, int event_fd, uint64_t addr, Datamatch dm,\n }\n }\n \n- return ioctl(vm_fd, MSHV_IOEVENTFD, &args);\n+ int ret = ioctl(vm_fd, MSHV_IOEVENTFD, &args);\n+ if (ret < 0) {\n+ return -errno;\n+ }\n+\n+ return ret;\n }\n \n static int unregister_ioevent(int vm_fd, int event_fd, uint64_t mmio_addr,\n", "prefixes": [ "2/2" ] }