Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2194475/?format=api
{ "id": 2194475, "url": "http://patchwork.ozlabs.org/api/patches/2194475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260209062952.2049053-7-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": "<20260209062952.2049053-7-den@valinux.co.jp>", "list_archive_url": null, "date": "2026-02-09T06:29:49", "name": "[v5,6/8] PCI: endpoint: pci-epf-test: Don't free doorbell IRQ unless requested", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6411a77677dee625a389b9593936d00bb9b9e0e4", "submitter": { "id": 91573, "url": "http://patchwork.ozlabs.org/api/people/91573/?format=api", "name": "Koichiro Den", "email": "den@valinux.co.jp" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260209062952.2049053-7-den@valinux.co.jp/mbox/", "series": [ { "id": 491464, "url": "http://patchwork.ozlabs.org/api/series/491464/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=491464", "date": "2026-02-09T06:29:44", "name": "PCI: endpoint: pci-ep-msi: Add embedded doorbell fallback", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/491464/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194475/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194475/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-46979-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=qvktZMTI;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-pci+bounces-46979-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=\"qvktZMTI\"", "smtp.subspace.kernel.org;\n arc=fail smtp.client-ip=40.107.74.104", "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 sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f8ZbR3c0Sz1xtV\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 09 Feb 2026 17:31:31 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 57CB43024A5D\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 9 Feb 2026 06:30:10 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 761AE311972;\n\tMon, 9 Feb 2026 06:30:05 +0000 (UTC)", "from OS0P286CU010.outbound.protection.outlook.com\n (mail-japanwestazon11021104.outbound.protection.outlook.com [40.107.74.104])\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 2FFE72FE048;\n\tMon, 9 Feb 2026 06:30:05 +0000 (UTC)", "from TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM (2603:1096:405:38f::10)\n by TYYP286MB4425.JPNP286.PROD.OUTLOOK.COM (2603:1096:405:10b::6) with\n Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.17; Mon, 9 Feb\n 2026 06:30:04 +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 15.20.9587.017; Mon, 9 Feb 2026\n 06:30:04 +0000" ], "ARC-Seal": [ "i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1770618605; cv=fail;\n b=YCGIbb5/aZMcUMeCtvTnFIVqZNjUyK/Pxe5qN8qyE3ED86MFM4JwJMhEYujuyfzfClVD+0YxMerNxXpEv0FIrki76q9MFHkD9wXSInw1R8KD0QcGr9EDiKWyuwv+KkoLAsL6wv/koJr7qQcs3Kvp8o7jfxB2BCAU31D+BmiP2Sk=", "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=RDJ8GA6ZS3pPIOdXDZ+iQe7z6afVCYVUkK3JrWM2spMe2me7kV47yZXDWSfpWnSuymmw8CGcYZUmYOgep6LpskiSSGtaBUMpbRo42xh0AvUE/hfjCz0cUH7JPhpf+f0uVFy/rx386ujKI8JElmKONZny1EzG3yrDTMoht4yEp+Qs4c5lJr4dWQy9VoDyDBxHJBTZe5tW8RLP9uKhvNn/ZDJB6Vqwm2o7bQBtxCL7f2s/dxhVv+cBIRuBibUdPtQSgDYUz8J4wJYU8ocOR2b9N+CLnQj0tLgU6anSvwMhJhF2SiXEvF5ZzojjOIMuNmkIVfGofSs9Snop4cHP/RjJKw==" ], "ARC-Message-Signature": [ "i=2; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1770618605; c=relaxed/simple;\n\tbh=IzccJqE7Lm912wY0VygQRmfcaqtAjyn8prFD5KjsMS4=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t Content-Type:MIME-Version;\n b=iubedgHhHEgy9RT9yio2ebOar/VsLgiwg7FZqXxjmgqxbGH/9+7MAvAtR93dbFPQgfW4zcpdg7IZqbiiMmtYz8KEWoUv1BIxz3fCeLAjcB1nxcOiQJnL673a4CkpiPhuohCugc21jmfFMk6+k27DALtIyruFKrnaetPEe9ykNVM=", "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=usXujhdztx84mPQSgni/ZWDOTKEq4ka90KIk3iW/c2k=;\n b=ukt6ZP0JmBlLeeJ2APv31OnSsoFIzeYMtdUhEgcpXUHbHkBnmCHr6MBK3Z7pzArNbUPj7gkvO3/qvHV4vLOvB7B7gKQvdFzVa3V+o4uyo+Mqwre+NJ6SWqMplV26Y2PtBMicel+gJaFxQsnfJFE7pSh5GWgC3ndcTljNg8l2JQoypLiGynjYikuVbCt2WyBgfYCsq9M2zI5vwezejOFaU2plskEr8iKED0X/Gyb1oaXI6U2eA/0DM3DMKFDI9bi5TLgxieM9F64hMtDhzA7rXKzx1urhIRGs95bDTVPBJFV7TSCUcRxBYUUXj8Y7rDVtBEUr30UrMNBEs2JuWDyR2g==" ], "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=qvktZMTI; arc=fail smtp.client-ip=40.107.74.104", "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=usXujhdztx84mPQSgni/ZWDOTKEq4ka90KIk3iW/c2k=;\n b=qvktZMTIbzoSmnh9Q/9P8CInoNPZz7P3VyjY0zMX5/Lx7slz/Ydida+IIUbK30VCbs3SIAgz7DSFreGLc3ccjKK4nPQc4EP0+OVS6LvwAZFrP+7RuLFNHGuwTU868CFtjlnekVW+MiqlbABlow0YxviRkFtqicco2z0Lb3WAqwA=", "From": "Koichiro Den <den@valinux.co.jp>", "To": "vkoul@kernel.org,\n\tmani@kernel.org,\n\tFrank.Li@nxp.com,\n\tcassel@kernel.org,\n\tjingoohan1@gmail.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\trobh@kernel.org,\n\tbhelgaas@google.com,\n\tkishon@kernel.org,\n\tjdmason@kudzu.us,\n\tallenbh@gmail.com", "Cc": "dmaengine@vger.kernel.org,\n\tlinux-pci@vger.kernel.org,\n\tntb@lists.linux.dev,\n\tlinux-kselftest@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org", "Subject": "[PATCH v5 6/8] PCI: endpoint: pci-epf-test: Don't free doorbell IRQ\n unless requested", "Date": "Mon, 9 Feb 2026 15:29:49 +0900", "Message-ID": "<20260209062952.2049053-7-den@valinux.co.jp>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20260209062952.2049053-1-den@valinux.co.jp>", "References": "<20260209062952.2049053-1-den@valinux.co.jp>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "TY4P286CA0101.JPNP286.PROD.OUTLOOK.COM\n (2603:1096:405:380::8) 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_|TYYP286MB4425:EE_", "X-MS-Office365-Filtering-Correlation-Id": "a0c05052-ef6e-462a-23bb-08de67a4a904", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|7416014|376014|366016|1800799024|10070799003|921020;", "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)(7416014)(376014)(366016)(1800799024)(10070799003)(921020);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 a0c05052-ef6e-462a-23bb-08de67a4a904", "X-MS-Exchange-CrossTenant-AuthSource": "TY7P286MB7722.JPNP286.PROD.OUTLOOK.COM", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "09 Feb 2026 06:30:04.1654\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 CpblmbiW6AGaOOVbN7h82/k3zdi6QFKVa3qYJRsyqbKOav7NiI/wOSl8IaYNKEjxahFcr8toE0b2zH3CZJWgVA==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "TYYP286MB4425" }, "content": "pci_epf_test_enable_doorbell() allocates a doorbell and then installs\nthe interrupt handler with request_threaded_irq(). On failures before\nthe IRQ is successfully requested (e.g. no free BAR,\nrequest_threaded_irq() failure), the error path jumps to\nerr_doorbell_cleanup and calls pci_epf_test_doorbell_cleanup().\n\npci_epf_test_doorbell_cleanup() unconditionally calls free_irq() for the\ndoorbell virq, which can trigger \"Trying to free already-free IRQ\"\nwarnings when the IRQ was never requested.\n\nTrack whether the doorbell IRQ has been successfully requested and only\ncall free_irq() when it has.\n\nFixes: eff0c286aa91 (\"PCI: endpoint: pci-epf-test: Add doorbell test support\")\nSigned-off-by: Koichiro Den <den@valinux.co.jp>\n---\n drivers/pci/endpoint/functions/pci-epf-test.c | 9 ++++++++-\n 1 file changed, 8 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c\nindex 6952ee418622..23034f548c90 100644\n--- a/drivers/pci/endpoint/functions/pci-epf-test.c\n+++ b/drivers/pci/endpoint/functions/pci-epf-test.c\n@@ -86,6 +86,7 @@ struct pci_epf_test {\n \tbool\t\t\tdma_private;\n \tconst struct pci_epc_features *epc_features;\n \tstruct pci_epf_bar\tdb_bar;\n+\tbool\t\t\tdb_irq_requested;\n \tsize_t\t\t\tbar_size[PCI_STD_NUM_BARS];\n };\n \n@@ -715,7 +716,10 @@ static void pci_epf_test_doorbell_cleanup(struct pci_epf_test *epf_test)\n \tstruct pci_epf_test_reg *reg = epf_test->reg[epf_test->test_reg_bar];\n \tstruct pci_epf *epf = epf_test->epf;\n \n-\tfree_irq(epf->db_msg[0].virq, epf_test);\n+\tif (epf_test->db_irq_requested && epf->db_msg) {\n+\t\tfree_irq(epf->db_msg[0].virq, epf_test);\n+\t\tepf_test->db_irq_requested = false;\n+\t}\n \treg->doorbell_bar = cpu_to_le32(NO_BAR);\n \n \tpci_epf_free_doorbell(epf);\n@@ -741,6 +745,8 @@ static void pci_epf_test_enable_doorbell(struct pci_epf_test *epf_test,\n \tif (bar < BAR_0)\n \t\tgoto err_doorbell_cleanup;\n \n+\tepf_test->db_irq_requested = false;\n+\n \tret = request_threaded_irq(epf->db_msg[0].virq, NULL,\n \t\t\t\t pci_epf_test_doorbell_handler, IRQF_ONESHOT,\n \t\t\t\t \"pci-ep-test-doorbell\", epf_test);\n@@ -751,6 +757,7 @@ static void pci_epf_test_enable_doorbell(struct pci_epf_test *epf_test,\n \t\tgoto err_doorbell_cleanup;\n \t}\n \n+\tepf_test->db_irq_requested = true;\n \treg->doorbell_data = cpu_to_le32(msg->data);\n \treg->doorbell_bar = cpu_to_le32(bar);\n \n", "prefixes": [ "v5", "6/8" ] }