Cover Letter Detail
Show a cover letter.
GET /api/covers/2196620/?format=api
{ "id": 2196620, "url": "http://patchwork.ozlabs.org/api/covers/2196620/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260215150914.3392479-1-den@valinux.co.jp/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260215150914.3392479-1-den@valinux.co.jp>", "list_archive_url": null, "date": "2026-02-15T15:09:10", "name": "[0/4] PCI: endpoint: Doorbell-related fixes", "submitter": { "id": 91573, "url": "http://patchwork.ozlabs.org/api/people/91573/?format=api", "name": "Koichiro Den", "email": "den@valinux.co.jp" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260215150914.3392479-1-den@valinux.co.jp/mbox/", "series": [ { "id": 492223, "url": "http://patchwork.ozlabs.org/api/series/492223/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=492223", "date": "2026-02-15T15:09:10", "name": "PCI: endpoint: Doorbell-related fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492223/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2196620/comments/", "headers": { "Return-Path": "\n <linux-pci+bounces-47306-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=valinux.co.jp header.i=@valinux.co.jp\n header.a=rsa-sha256 header.s=selector1 header.b=id/ErmRn;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=linux-pci+bounces-47306-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (1024-bit key) header.d=valinux.co.jp header.i=@valinux.co.jp\n header.b=\"id/ErmRn\"", "smtp.subspace.kernel.org;\n arc=fail smtp.client-ip=52.101.125.111", "smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=valinux.co.jp", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=valinux.co.jp", "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=valinux.co.jp;" ], "Received": [ "from sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fDTpJ0FSMz1xwj\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 16 Feb 2026 02:09:28 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sto.lore.kernel.org (Postfix) with ESMTP id B5F2B3003803\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 15 Feb 2026 15:09:24 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id ACC022248B9;\n\tSun, 15 Feb 2026 15:09:23 +0000 (UTC)", "from TYVP286CU001.outbound.protection.outlook.com\n (mail-japaneastazon11021111.outbound.protection.outlook.com [52.101.125.111])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 27E7C1624C5;\n\tSun, 15 Feb 2026 15:09:21 +0000 (UTC)", "from TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM (2603:1096:405:38f::10)\n by TY4P286MB7240.JPNP286.PROD.OUTLOOK.COM (2603:1096:405:367::10) with\n Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.16; Sun, 15 Feb\n 2026 15:09:20 +0000", "from TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM\n ([fe80::2305:327c:28ec:9b32]) by TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM\n ([fe80::2305:327c:28ec:9b32%5]) with mapi id 15.20.9611.013; Sun, 15 Feb 2026\n 15:09:20 +0000" ], "ARC-Seal": [ "i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1771168163; cv=fail;\n b=LyaFwEOkMl7prf78Y/eHt7/ySeqRW7ktFBCaN8I2aTbkBL3W1LEy2G1ZmkAr3+r/QT6t+QCsZp+zNVVNgn8mWkfWdxtlIfp+3k5TgTQeY8dOszJ1dMw3PSG8v8LAWuFF+O/OnTzNGM27FPAbc5/oyk0OCe28EqXqWd3kWUSKwTo=", "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=y77zz/XHl1HGByyLHU0g5E/eiU+fk+ucG1jSLPqbwJlooa6A6HPpC8ggmdEeKDfBRJ3Dn+r2KyfGSvqiep5W2+QIBU5D2hRQ3kHVNmlQy7V6sES3Ng3TFd+ZKvfjoAW56CY9Rpd7qWNCaLHBS8NLlPrn7JYP8FKTV1OnVeY0PZZdzmlvZkg44wdv8pnKjBUGbTg5OFYtd8xnRHqEnw879G5JG+go7Sp8KHYOoOV5ljNKtEIRIWeqAS84sRFYByKtelfTJVealFaRAeVkVrC5lkSP1HBkNsI71HkgK4nS64GliTW4/KqGEsh0vzvKF+lBzA+kq692n/70u1nLhzHMQA==" ], "ARC-Message-Signature": [ "i=2; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1771168163; c=relaxed/simple;\n\tbh=r4MDa2IBQQJeW3mYOkZWcOMmQm0gCsmjMdfXotfh58A=;\n\th=From:To:Cc:Subject:Date:Message-ID:Content-Type:MIME-Version;\n b=dccZ9s+3wjlUMcb04rfFmVQSLMpPTx65yPbloBbyK19UMUpFjNU28ykgY9Pakjfwa39oEJXa8fdIUCKYF/h/XhWeTaUswyZRvyL07N/hFKzLQZziu59bROqkXBQ4GsJIBFlTR843VOBRYCREoPluR8U2H+Zkf1cKz3Tb2EdCqrk=", "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=0rO86WfqPClLp4V+bW0Yk82JEs6dwYBJpT6uQxF+L/8=;\n b=dArstfNXTo8QafuPqVMIHXYZwEedOtoqLSOa4VoiAocefgByF8FRcumLO0Ae6Y3q7/b/CqYdIfNxhTKNC9egiwslAuaB5+jqv3hD5kg4NbzXp2aOdkjAh0hqJ7U0yLCUoQij+8cAQrrZxajQSdxAB6IfcQyfqqZpjFCQC/xwlcrxSXH5nh4WuV6yy+ZmEARyjF4H0oR4Dy1Vm+Z0Io2R77YZJi8yCgU2j63/9jHcetZ3A9vz5q7gajq8ehnWNrteHNZyswZypqFGkZQmYoaKzbL4hwbzYVMQXjGvvzCLEVrIDgPmjhMPLtrAW7BjuikKOyQe/3dAl4r014wEhxr0ig==" ], "ARC-Authentication-Results": [ "i=2; smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=valinux.co.jp;\n spf=pass smtp.mailfrom=valinux.co.jp;\n dkim=pass (1024-bit key) header.d=valinux.co.jp header.i=@valinux.co.jp\n header.b=id/ErmRn; arc=fail smtp.client-ip=52.101.125.111", "i=1; mx.microsoft.com 1; spf=pass\n smtp.mailfrom=valinux.co.jp; dmarc=pass action=none\n header.from=valinux.co.jp; dkim=pass header.d=valinux.co.jp; arc=none" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=valinux.co.jp;\n s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=0rO86WfqPClLp4V+bW0Yk82JEs6dwYBJpT6uQxF+L/8=;\n b=id/ErmRnfWv1PpLEIk2jegqBLPl8MbzwaF6tND+ULuh2L1QKDE9fjNoUgy5x/UWTaBFP1BmtwDB0OMzJPR9vygNuJUCHgzFN4xF0F/6W5rcu2rxhoeytiii+UawcjSUYhuPtrDcIC/ZrtqPpg8h12hzRP56FdJoRHK/fWekX8hU=", "From": "Koichiro Den <den@valinux.co.jp>", "To": "mani@kernel.org,\n\tkwilczynski@kernel.org,\n\tkishon@kernel.org,\n\tbhelgaas@google.com,\n\tjdmason@kudzu.us,\n\tdave.jiang@intel.com,\n\tallenbh@gmail.com,\n\tcassel@kernel.org,\n\tFrank.Li@nxp.com", "Cc": "linux-pci@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tntb@lists.linux.dev", "Subject": "[PATCH 0/4] PCI: endpoint: Doorbell-related fixes", "Date": "Mon, 16 Feb 2026 00:09:10 +0900", "Message-ID": "<20260215150914.3392479-1-den@valinux.co.jp>", "X-Mailer": "git-send-email 2.51.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "TY4P286CA0091.JPNP286.PROD.OUTLOOK.COM\n (2603:1096:405:369::10) To TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM\n (2603:1096:405:38f::10)", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "TY7P286MB7722:EE_|TY4P286MB7240:EE_", "X-MS-Office365-Filtering-Correlation-Id": "5b7d87f3-89c0-4f2c-36bb-08de6ca431f6", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|1800799024|10070799003|7416014|376014|366016;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "\n\tCIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(10070799003)(7416014)(376014)(366016);DIR:OUT;SFP:1102;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n 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", "X-OriginatorOrg": "valinux.co.jp", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 5b7d87f3-89c0-4f2c-36bb-08de6ca431f6", "X-MS-Exchange-CrossTenant-AuthSource": "TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "15 Feb 2026 15:09:20.2417\n (UTC)", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "7a57bee8-f73d-4c5f-a4f7-d72c91c8c111", "X-MS-Exchange-CrossTenant-MailboxType": "HOSTED", "X-MS-Exchange-CrossTenant-UserPrincipalName": "\n ZYGssjVbkg1peBpPxOYF7vEFpR3k/jia9L7JkHLAtTA+HCmHbySaciLbnNHyfHDD2FoGHMqkoXEUGOu51tgepw==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "TY4P286MB7240" }, "content": "Hi,\n\nThis is a small fix-only series related to the previous (v6)\ndoorbell-related series:\nhttps://lore.kernel.org/linux-pci/20260209125316.2132589-1-den@valinux.co.jp/\n\nThese patches address a few independent fixes in pci-epf-vntb,\npci-epf-test and pci-ep-msi:\n\n 1/4 fixes IRQ unwind in MSI doorbell setup (pci-epf-vntb)\n 2/4 adds a bounds check for doorbell BAR offset (pci-epf-test)\n 3/4 avoids free_irq() if doorbell IRQ was not successfully requested\n (pci-epf-test)\n 4/4 fixes error unwind and prevent double allocation in\n pci_epf_alloc_doorbell() (pci-ep-msi)\n\nThese fixes were originally intended to be included in the next revision\nof the main series. However, doing so would have grown the v7 series to\naround 15 patches, so I am posting them separately to keep the feature\nseries manageable.\n\nKind regards,\nKoichiro\n\n\nKoichiro Den (4):\n PCI: endpoint: pci-epf-vntb: Fix MSI doorbell IRQ unwind\n PCI: endpoint: pci-epf-test: Sanity-check doorbell offset within BAR\n PCI: endpoint: pci-epf-test: Don't free doorbell IRQ unless requested\n PCI: endpoint: pci-ep-msi: Fix error unwind and prevent double alloc\n\n drivers/pci/endpoint/functions/pci-epf-test.c | 12 +++++++++++-\n drivers/pci/endpoint/functions/pci-epf-vntb.c | 11 ++++++-----\n drivers/pci/endpoint/pci-ep-msi.c | 5 +++++\n 3 files changed, 22 insertions(+), 6 deletions(-)" }