From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 02AE1CA5FCE for ; Mon, 5 Oct 2026 19:50:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 537816069E; Mon, 5 Oct 2026 19:50:30 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id AO1q5ue5tRr4; Mon, 5 Oct 2026 19:50:28 +0000 (UTC) ARC-Filter: OpenARC Filter v1.3.0 smtp3.osuosl.org 2245E60678 Authentication-Results: smtp3.osuosl.org; arc=fail smtp.remote-ip=140.211.166.142 ARC-Seal: i=3; d=osuosl.org; s=arc; a=rsa-sha256; cv=fail; t=1791229828; b=OEjEfJw3P0e05sY7dpCgpaeJSP7CrcnSCj8bUkOdmW4Cfk4hDCVhVoXf7shIkTY63DWi HbVnUIcU1dqJwtcib1qLyV60kmu4XVwa+b8pFEai9F3iNG5a1UCU3s/vHWcWMrAIwHvqB 3jD82FadjMIHOrUJ+1txui/HGLKH8MIF3tMjNd6CVnPSUtHwi8PQDipAw2VInEPFsfkKd uVCyRXnyfnD7wfThQCo7lypK7tgdghSWC4y8yR6c5r+9El6iDquVseyu5FDUVmqHwBCIj 0L2mO3HAvWBVXoFIJpX66/fE9QilaRlS42oo4FoukNzS1yJZkC8WRfA80xJvbZ8hqBA== ARC-Message-Signature: i=3; d=osuosl.org; s=arc; a=rsa-sha256; c=relaxed/relaxed; t=1791229828; h=X-Comment:DKIM-Signature:X-Original-To:Delivered-To:Received: Received:X-Virus-Scanned:X-Spam-Flag:X-Spam-Score:X-Spam-Level: X-Spam-Status:Received:ARC-Filter:Received-SPF:Received: DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID:X-IronPort-AV: X-IronPort-AV:Received:X-CSE-ConnectionGUID:X-CSE-MsgGUID:X-ExtLoop1: X-IronPort-AV:Received:Received:Received:Received:Received:Received: Message-ID:Date:User-Agent:Subject:To:CC:References:Content-Language: From:Organization:In-Reply-To:Content-Type:Content-Transfer-Encoding: X-ClientProxiedBy:MIME-Version:X-MS-PublicTrafficType: X-MS-TrafficTypeDiagnostic:X-MS-Office365-Filtering-Correlation-Id: X-MS-Exchange-SenderADCheck:X-MS-Exchange-AntiSpam-Relay: X-Microsoft-Antispam:X-Microsoft-Antispam-Message-Info: X-Forefront-Antispam-Report: X-MS-Exchange-AntiSpam-MessageData-ChunkCount: X-MS-Exchange-AntiSpam-MessageData-0:X-Exchange-RoutingPolicyChecked: X-MS-Exchange-CrossTenant-Network-Message-Id: X-MS-Exchange-CrossTenant-AuthSource:X-MS-Exchange-CrossTenant-AuthAs: X-MS-Exchange-CrossTenant-OriginalArrivalTime: X-MS-Exchange-CrossTenant-FromEntityHeader: X-MS-Exchange-CrossTenant-Id:X-MS-Exchange-CrossTenant-MailboxType: X-MS-Exchange-CrossTenant-UserPrincipalName: X-MS-Exchange-Transport-CrossTenantHeadersStamped:X-OriginatorOrg: X-BeenThere:X-Mailman-Version:Precedence:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:Errors-To; bh=6vvq9ZBfsCk3llnG+DspgzudhP790+erP0w9YRWyrHw=; b=ny8TAu46aFQXLC02APctOi5NVmoFaB4pTpl0gYGTIpOjMmq4NN+/QiPziT/RNf8x8wSz 2RegTckG8B69NkXJb5/FbA72c78ZAJXae6f6uCH+d3d1HnU6p8GHPufsoJdYH5WlVDfuY N/Zt5N5ucYwc1871BiwUHyQSpdVb4/c93M9lFR/CvNhWDhkrRkgu5p/g8LlfFURNsEHwD DNB7wP7Aoxk+m39+kgBJIGl2T7agHso8od5ybjtYvcG30wNVZDKmI1VsHe0EcOQjecTX9 yNoTAyY96BvqurooRyeK5Tsh25VQWSUWjQ2CrP43PeJ/0tpqO4ileO2z/FheMCrvplg== ARC-Authentication-Results: i=3; smtp3.osuosl.org; arc=fail smtp.remote-ip=140.211.166.142 X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1791229828; bh=6vvq9ZBfsCk3llnG+DspgzudhP790+erP0w9YRWyrHw=; h=Date:Subject:To:CC:References:From:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=CuVN7nTkr8HCrfk+z1UvV6c/4gewXWZB0RTcZWpXLcdyk3pjy2EfYjjG7EHT41rbU ig9PRn3wChKwUMpMiMU//xrmBnaWeDolOcDUrcaDC7OXs2k4sgNbxNGDz1KV9Dr3j2 3LiGdCgUH/Y3meIdGSeheoR0bY00XfNxVF0wTbOBjS4ucGzx9qVRzV6t+TF55atJjf wZj+1d10vDQT6V3bcrWsvuwVKIQVUxPkNmzuh5/5t+is6tmxKHlrfarTg3TNoi0MtH kF2iwQ1iRDHJiKflBTO0rcn4DeTEAZOZXhv2cUHxMecjirrIo1vwar3rOIOHwXPy29 SpTbfEvQXXVZQ== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp3.osuosl.org (Postfix) with ESMTP id 2245E60678; Mon, 5 Oct 2026 19:50:28 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists1.osuosl.org (Postfix) with ESMTP id 6113822B for ; Mon, 5 Oct 2026 19:47:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 52AB5405CD for ; Mon, 5 Oct 2026 19:47:40 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id m9UNcin5V7Ry for ; Mon, 5 Oct 2026 19:47:39 +0000 (UTC) ARC-Filter: OpenARC Filter v1.3.0 smtp4.osuosl.org 7606F405D0 Authentication-Results: smtp4.osuosl.org; arc=fail smtp.remote-ip=192.198.163.8 ARC-Seal: i=2; d=osuosl.org; s=arc; a=rsa-sha256; cv=fail; t=1791229659; b=s1p8jLKwwM9ugKx3B1kgSr03TZRnLFLyy7ublocGUnFDmZz7F1GFB6cui84eXzzOwGwP SLwSxS4ccHqC2AwQseJ/QuHh2ys52kslCAeznQHtrMlD40xG+MP617S/Fleh6EP14LKdR deRkKLA8JDqeiz6UxJk87NSqcVOLgC5GH1FXJScRZxV5uD7aPOhp0IazEGcVp9MSCPSY6 n9dzhzIgHV+Tt97UBdvVQq8EUCweVaZLVPI3ksz+CuCYXsa4uwxutESlSgHlA++o2k8bz ptu4BQ5moyZUMFeetihcmIa8oSADTKLEjolHOtHBRAJVqBofsnJ8igjPfAbeOtfzS7w== ARC-Message-Signature: i=2; d=osuosl.org; s=arc; a=rsa-sha256; c=relaxed/relaxed; t=1791229659; h=Received-SPF:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Received:Received: Received:Received:Received:Message-ID:Date:User-Agent:Subject:To:CC: References:Content-Language:From:Organization:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-ClientProxiedBy:MIME-Version: X-MS-PublicTrafficType:X-MS-TrafficTypeDiagnostic: X-MS-Office365-Filtering-Correlation-Id:X-MS-Exchange-SenderADCheck: X-MS-Exchange-AntiSpam-Relay:X-Microsoft-Antispam: X-Microsoft-Antispam-Message-Info:X-Forefront-Antispam-Report: X-MS-Exchange-AntiSpam-MessageData-ChunkCount: X-MS-Exchange-AntiSpam-MessageData-0:X-Exchange-RoutingPolicyChecked: X-MS-Exchange-CrossTenant-Network-Message-Id: X-MS-Exchange-CrossTenant-AuthSource:X-MS-Exchange-CrossTenant-AuthAs: X-MS-Exchange-CrossTenant-OriginalArrivalTime: X-MS-Exchange-CrossTenant-FromEntityHeader: X-MS-Exchange-CrossTenant-Id:X-MS-Exchange-CrossTenant-MailboxType: X-MS-Exchange-CrossTenant-UserPrincipalName: X-MS-Exchange-Transport-CrossTenantHeadersStamped:X-OriginatorOrg; bh=6vvq9ZBfsCk3llnG+DspgzudhP790+erP0w9YRWyrHw=; b=fWKivD0I7x+g4UMWCCgv86UIPdQ/JDGQbctKE+NNxVk6k8IFNyk+pDFwqXVlKCqGE4uW 4WRs410bFcBbFKZVpLE+nCI9bGjdtq8zqyHFpnAnsU6Aw0/IJ35Dc9dZuYxjF/+ZOj1o5 eKL95rXk1iyiIQijTfjyW7yIIhIXJZduQzlYOK93RE2qsVtFx3MiqvM3CWcr1OmlYdLm4 XBoVkUH9Ut4DRpzMLlEX0lDGYcKnlgbJHi7dVEGJio0rO46HItWddJ65XMeVi+kYRhvsz NI9qGkHafofLymaSPCsM1PAgQtRM6sFMOhh2PHIm1YaKooEbrxBzzpad3wjyJu2eUjw== ARC-Authentication-Results: i=2; smtp4.osuosl.org; dmarc=pass header.from=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=Vy12Ffu1; arc=fail smtp.remote-ip=192.198.163.8 Received-SPF: None (mailfrom) identity=mailfrom; client-ip=192.198.163.8; helo=mgamail.intel.com; envelope-from=moriyax.kadosh@intel.com; receiver= Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=Vy12Ffu1 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by smtp4.osuosl.org (Postfix) with ESMTPS id 7606F405D0 for ; Mon, 5 Oct 2026 19:47:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791229660; x=1822765660; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=coTOanIBkquont9Gnz8OGgMd0brvvCMVBrUxheUOB2E=; b=Vy12Ffu1Ltztw2/MGqCyYnW19zBdWi3JX6dou8OPY0azqAUJbQfUedR8 h1vYqV53M1VFg4CM/jAvnuEQ7ImO3mvBfSLKemg6CFhDyK0/GWqXa9WuO Ra33kC18HvM4yno7/Z5NwPQOM3Fx8f2g9TuZxzWFbOAOMtxgpy/T1Tod9 RgrsPBvXCw84msn9XwWTO8hb5vW/lgJpiOB+88z7w/Pyisj7C3mK5S3/V AZ0GRjSCHsYOcnAAZp3Ta3uxoP2fdmkWqkoe1reu4S2b+r6JK+L43eexa hDT5SaYA6r2zRupeAOdVqfxGEuR+3vtCCKd9POk4n+zRb06GCJdaJikWm g==; X-CSE-ConnectionGUID: vJXw0nPSTAKb/Uzj9g4CqA== X-CSE-MsgGUID: du2Y92x1R4K07iCS18KC7Q== X-IronPort-AV: E=McAfee;i="6800,10657,11926"; a="109400451" X-IronPort-AV: E=Sophos;i="6.27,142,1787036400"; d="scan'208";a="109400451" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Oct 2026 12:47:38 -0700 X-CSE-ConnectionGUID: elfy5YiDTKudmVYzPFJMdA== X-CSE-MsgGUID: lTXbI0+tR3CsQ6ev+Ekysw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,142,1787036400"; d="scan'208";a="314909693" Received: from fmsmsx901.amr.corp.intel.com ([10.18.126.90]) by orviesa001.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Oct 2026 12:47:38 -0700 Received: from FMSMSX903.amr.corp.intel.com (10.18.126.92) by fmsmsx901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Mon, 5 Oct 2026 12:47:37 -0700 Received: from fmsedg903.ED.cps.intel.com (10.1.192.145) by FMSMSX903.amr.corp.intel.com (10.18.126.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49 via Frontend Transport; Mon, 5 Oct 2026 12:47:37 -0700 Received: from CY7PR03CU001.outbound.protection.outlook.com (40.93.198.46) by edgegateway.intel.com (192.55.55.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Mon, 5 Oct 2026 12:47:37 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=UepvHNFLeBygQo9ybFO2eeW7KbAw2D0foZjQicSU0PTR47dMbgK6KRNJtv/BQ9eOZm0hT7wteNbcXWHKrl2PFNFo+TPCktWNQjMlHj9zTFc8nXSVsuyJ+XuN+INZpGTDpgUdXHRAsowuNhD7q4xhXITqbZD9lI1FHI/RVuPi9LNAebBijfpdQ5gvByasIYyxmR8kjc+061NQTQ8PR32xhgUS17N/QnId72wHa8Xl9sryTArYX6igaNah7dnVKAgSCfHu3Q+kbLkT2rWy7MnJbxoLMVFoEczFtqdqvvphrQCHDyok4tl3NIgarY4YZoOEDFSbj1FHm8bH6S8FYMfChg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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; bh=6vvq9ZBfsCk3llnG+DspgzudhP790+erP0w9YRWyrHw=; b=ZVEhuXNLAFHK+mGrH1Yymcil5Wi+/y/q+383hQhensn0Sp80xYHGqsG3GGuxDAHFjxw1/3cXfHgpydIh65sPr5xB72CAjyXDrzNE6SRAzs7m65oSV89w046JaU2bbhX8hHSv5kuFLqGU74mO0DuMIUP3TL3HK/yKw2Hc6mhTmsqRgw5s/qABzbkuoXuY29iWpT+YZ+y/9P4Z7lkRbvysWOt0Sedu3EWHxluHK9sorCFZpE2yQyPZ6c8x7F5VDXCfmlyUw21S0N9DsS/0sFA2mhycTIo8Ujv8x5fd2W57UzPdKpmzRTuMy79jf5MwWnni7J4lv0sm1csYpr824b0S7A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from MN2PR11MB4645.namprd11.prod.outlook.com (2603:10b6:208:269::20) by SJ5PPF06F7EC6B5.namprd11.prod.outlook.com (2603:10b6:a0f:fc02::807) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.472.20; Mon, 5 Oct 2026 19:47:33 +0000 Received: from MN2PR11MB4645.namprd11.prod.outlook.com ([fe80::5cb4:804e:bfb4:dad0]) by MN2PR11MB4645.namprd11.prod.outlook.com ([fe80::5cb4:804e:bfb4:dad0%2]) with mapi id 15.21.0472.016; Mon, 5 Oct 2026 19:47:30 +0000 Message-ID: Date: Mon, 5 Oct 2026 22:47:24 +0300 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH iwl-net v2 1/2] e1000e: fix Rx skb DMA map error sentinel To: "Ruinskiy, Dima" , Matt Vollrath , CC: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S . Miller" , Eric Dumazet , "Jakub Kicinski" , Paolo Abeni , , References: <20260913171555.89537-1-tactii@gmail.com> <20260913171555.89537-2-tactii@gmail.com> Content-Language: en-US From: "Kadosh, MoriyaX" Organization: Intel Israel (74) Limited In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: TL2P290CA0029.ISRP290.PROD.OUTLOOK.COM (2603:1096:950:3::19) To MN2PR11MB4645.namprd11.prod.outlook.com (2603:10b6:208:269::20) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN2PR11MB4645:EE_|SJ5PPF06F7EC6B5:EE_ X-MS-Office365-Filtering-Correlation-Id: 97ea160f-c0fd-4967-823f-08df23197dba X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|23010399003|1800799024|366016|6133799003|18002099003|22082099003|10067099003|4143699003|56012099006|11063799006; X-Microsoft-Antispam-Message-Info: wdYvjxUKJb0rTke0WLnRRGJ3MxdSpXyqL13Lzsp1mpywWm3Gn9jB8m6YwIA7S5q5k9Z5E/dMKjmTHnA3W4+LQgpIBxpwxKxq9QFJoAXLCZeps0nmrZaY49Sypgxt1qWjjDruW4t5pEV7oqOSyuD158b0rSe/fiimM36dGO1XX/fOONsmLywydE/pIhrTPQdTD8YzLiButHuO60g7VVlnJCDYyFwbMJkRGHZ1F7e5EtXOg+G6F+QXjysEKXN/GVAxdSVPyO0OObgCsdqocnvnGuOvA6vHttYS2grmb2QGR/fpb1d6JHvubEq55bKtuhDXkHx1lJ73lRtCvszHJ5XO4XUh+TwWqOynM7tdi++O8mp895vGwgAUBSTLIovfNFY6vG1gRx2otjUuJzM+w9x3RlAMZum8kH9VZgpC1BzDxMFwLK64Ua/Wp66dYEa29t9+Av8I+uWBP+VIDqi+dG+aWxEr4fSNgE7aq2QCwpKNxl4H6DWpew4ZWyyb+cmmfcujxZ2x088qkgB8RfDtyYH1pnLhKnDmHGnLKPJbxiI/LenvXh4o4S1k8CLYOpU0WQWu5lW6Uybk1nuY36K/XaR5RvIC9xkzaOX5W0bct5/6wudHVGUxahJCnIz7VLzVDxx2Ha25+yAfRhSfcKxvKYrwB7tnAjkue5rdf2rLuYsYrnc= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MN2PR11MB4645.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(23010399003)(1800799024)(366016)(6133799003)(18002099003)(22082099003)(10067099003)(4143699003)(56012099006)(11063799006); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?WndUK2VZWklha3hBUHBHUWh0OGJJVUc5KzVhVzFEMDRjek9sMEUvbHhJM2NP?= =?utf-8?B?b1VIOTBFSGpvRUlmL2xPQTdpSXBsalBtbDZRazlJUlJXVXo1dzJxOCtoSEs2?= =?utf-8?B?S1NDckVOVlV4elNEQUI0cEduVEI3WkRVTzR1VkpESFloWmEwbk5vejNEdHpQ?= =?utf-8?B?TlpiTU0ybG5tYWZ1REY0RGdzalZMcm1KOXZWVlY4OUUrUkEvakVVbUQweWlY?= =?utf-8?B?MVNSUDlTWUlJVFNKRDBSNFQwdzRxaUc3UWp1bE5oY3FyazhVc1VmZVNJdmF6?= =?utf-8?B?VTY1c003aGowL2JiaDJ0eFpYdGV5TWY0aUlDM1pOc29pRGpDQkFoM2x5ZU1a?= =?utf-8?B?MDdaUndxcUwyNllZZ2VXYjl2bGN4bVpkV09TZnNaM09nUVJqZkhOaTZZMkNI?= =?utf-8?B?NnpPU0ZwVVhmTFVzMnVNLzRKaE1HblVLVDM2dDI4a09IWW9ZcnBXMFY3akR1?= =?utf-8?B?QldNMFVVdmlzOEFRWkIrZ24xSW9LVExPbDNnUXRGWTFjbmFycXZEWFBhbWQv?= =?utf-8?B?cEY2a0p5QUVrbVJOVzJmdzJKeXhDcUI3MTl6bmN0a25aTmoyUFlDMXhvc1FC?= =?utf-8?B?ZXJMa3ZrZWc4alZKSjl1ZzFteXRqSnc2eHhzcVJ0MFFkWmdIbHVSak54ckpw?= =?utf-8?B?UVFWNFp6cjZWR0ZFKzFWZVFiSHk4cFo4TU9UcVlheld2eEVHdm8vanYxeGRZ?= =?utf-8?B?QUNpdWlZcHdxcUVxWGlSZnYrRXpkK0plZUFOMEVzc2c0ZXpZSDdQWlR5YTVZ?= =?utf-8?B?RnhsbDdQT2w2Z2hHMDVQSFU5eVN0MEJqVDA1WWhhL0JEWDhjK0tzLzlybDRT?= =?utf-8?B?bHRyU2oyZ2RoWE1OUmc0RVI5bGV6cGhhSnZEQUIwbjM4UUtGQnBNcEkzZ21F?= =?utf-8?B?MU1heWEvWGErOEF5VnlkclRrVWlvZ1gvWGFpUEcwQ0EzV290VU0wQzlVT0Z4?= =?utf-8?B?SFZ1enNZaHJ0aFRZeGN2S3IxMzhSWFBBdk1OcVp3bkFyTTRYSTJKMitrNE81?= =?utf-8?B?OGY3aXUrNUM2bTVtMlNYZlkwZGI3ZkZnU3V5T3ZUMStzaUpkQlZneVdQcmpw?= =?utf-8?B?emI0YjFTSk1YeHgrd3ZxREczMEtLcnIwcmNpaEJRK3FYZGdqdlBVbHVVbjhr?= =?utf-8?B?ODVPT2RPK3N5dEg3SGl0M2IzdS9GZ3FSZlR3T3RNQVExOEYyRy94R1VjcWx0?= =?utf-8?B?cm5MOHZneXpRYzNnUDJvT1RjZysralZ4OHpHbm10N3lNLytVQXFlNG9Jek5D?= =?utf-8?B?K0E5dVgreXVhQTlMYlNCQlRmVjFJNzZiWUhya0xyYk5DYTJhV0xXUnRBRFZa?= =?utf-8?B?SjBGYTcvSG0yMVd5NW9hZ1Boc0oreitkOE5nWEJhZmhoRjh2T2JhRzB6c2x3?= =?utf-8?B?VFNPVHpoRHVlS2pvZTlubmxDMmU2OTc4UFM1TFlNQ1ZLa0dXWHJVd0w0YmhD?= =?utf-8?B?dHVUNVhqL1dJWGFVRXRiTUtaMHVDRU9DWUlxNGx2cjl0bjVwLzhXRXlwM3dT?= =?utf-8?B?MWIySWNHUVJYQjU4Y3hIWVlSMFdmOGhpenpoUFNka2FkYW5PRWdTcnVNL1lk?= =?utf-8?B?ZkNoOXBaQzNETkVzbjkzcFRhdmlqQTdnZWxzei8vZ2F5VFBZaHk3SHRIL3Ey?= =?utf-8?B?Zk1MQzE5d3ZMbmlzSzkxbDRFOU15bWpIVEVtL0tZRWRrQjFPK1Q5eDdERjVP?= =?utf-8?B?ZzNidytnSUVRZEt5UHpCNUEya05SS1Y5M0VtVjRyV2xFYWFKUVVYTys3d3Yy?= =?utf-8?B?eXdDWDA2anl4c0lHWGwxRmlZaGpmMHd5VGloOXFJUDhSbGtNczl5QmlGRkNH?= =?utf-8?B?cisrckxXUldYaVJPSkVHTnVwblJlSWg3U0NzTlhxd3hFSlR0ZkYwQkd1cnoz?= =?utf-8?B?V1BEV2U0TGhlWWx3MXg0NmNHVk45S1I0ajFhZ3pSa1JxVHlTNlNwcStLSml0?= =?utf-8?B?aEVPeEZGVWFjYWFEeVh2bHRlbDJtbUVEMmRlMWZ1SzUzRFVjMzRXc3JDUlVi?= =?utf-8?B?Q2ptcFpSOXNvckZLQ0VaR3djeXJhdnNYUTlZV0hGY2hEYTBwN0krcnpBMlM1?= =?utf-8?B?OG51U2xHWVpVQ3JhT1JoRkQ5ZHNKbWo4YkZzaWI2Q3p3Vkw5VGticWlrZWVH?= =?utf-8?B?azZwM1NFckNKTExVdGV6dkJMRjdNVDczTmxvVlZCbTVkVWxmVkRIVWRUVnNx?= =?utf-8?B?QU80VWY0YUVodXVuWmJvUmxmMTFTYXRWaEcwVXZCaEp1SUFSaENlVytBc3Vl?= =?utf-8?B?Tlg5K1VhdnA3d1pWWE9VS0V6dEI2NmlqWmU5WXAvRkJ3SFNONFZ2enVnSE5R?= =?utf-8?B?Ujk0NUlhdnQ2aGcrTUMrUTZGamNJNHlNdDN1TENpWHhGdUdhNGN6dz09?= X-Exchange-RoutingPolicyChecked: qX6g3ZvwjMggygo5RP8Dmu9QwLoqcJ+bfYjA8FWw2AyensbsFWALbNtzI8DqBdiMH4s8HJurNAxhj4ZBXNL9D3o8RNwSWHyIMn3kbMfNQyuiD5Fd+opfZoq4TgQheDf1f2cjaUVBAO9LuX5iTtXmJzXFsY/gSG0dnlO+bPMRfFQ7tio9FxY1sppU5zJ+hXMXPE6ECh5MlhdSx6IIG+PBrXStUoN2eFuE9skmDj4pKtfSn3m853FuPaKOtxt3VNlNrf6mpPldDTxzi2CCUBaozaIZvYUXBsLfZAppt/6/PpufulC8CwqshwndQ2YzlKpmP5OhLlo7w+d8b4n58a4f5A== X-MS-Exchange-CrossTenant-Network-Message-Id: 97ea160f-c0fd-4967-823f-08df23197dba X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB4645.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Oct 2026 19:47:30.1270 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: FBmiuijyc9vMYX5aAQT46ck29SJSfoGzkskz4TsPBpMHKOXRmam0VdAsE3dZ9oeI7jDt5Q+NoAsFfJ052ChiW/xxyCKX2xa32J+lk3c5008= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPF06F7EC6B5 X-OriginatorOrg: intel.com X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org On 05/10/2026 21:11, Ruinskiy, Dima wrote: > On 13/09/2026 20:15, Matt Vollrath wrote: >> Upon encountering a DMA_MAPPING_ERROR during skb allocation and mapping, >> the driver would leave DMA_MAPPING_ERROR in the buffer_info->dma field. >> This would lead several buffer_info->dma == 0 conditions down unwanted >> paths: >> >> * In e1000_alloc_jumbo_rx_buffers(), it would not re-attempt the failed >>    mapping and instead write DMA_MAPPING_ERROR to the h/w descriptor on >>    the next allocation call. On cleaning or teardown it would attempt to >>    dma_unmap_page() DMA_MAPPING_ERROR. This case would only be >>    reachable at MTU > 1518 and page size > 16K. >> * In e1000_clean_rx_ring(), it would attempt to dma_unmap_page/single() >>    DMA_MAPPING_ERROR (unless cleaned by the jumbo path first). This case >>    would be reachable at any combination of MTU and page size. >> >> Use buffer_info->dma = 0 as the sentinel for "DMA is not mapped." Set it >> immediately upon detecting the failure. >> >> The map error value was 0 on some platforms (including most common x86) >> until error values were unified to DMA_MAPPING_ERROR in v4.20/v5.0. >> Since then the error handling in this driver has been incorrect on all >> platforms. >> >> Signed-off-by: Matt Vollrath >> Suggested-by: Jakub Kicinski >> Fixes: bc7f75fa9788 ("[E1000E]: New pci-express e1000 driver >> (currently for ICH9 devices only)") >> Cc: stable@vger.kernel.org >> --- >> v2: >> * Add history blurb to description. >> --- >>   drivers/net/ethernet/intel/e1000e/netdev.c | 3 +++ >>   1 file changed, 3 insertions(+) >> >> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ >> ethernet/intel/e1000e/netdev.c >> index 844f31ab37ad..26f45ee8c7e7 100644 >> --- a/drivers/net/ethernet/intel/e1000e/netdev.c >> +++ b/drivers/net/ethernet/intel/e1000e/netdev.c >> @@ -691,6 +691,7 @@ static void e1000_alloc_rx_buffers(struct >> e1000_ring *rx_ring, >>                             adapter->rx_buffer_len, >>                             DMA_FROM_DEVICE); >>           if (dma_mapping_error(&pdev->dev, buffer_info->dma)) { >> +            buffer_info->dma = 0; >>               dev_err(&pdev->dev, "Rx DMA map failed\n"); >>               adapter->rx_dma_failed++; >>               break; >> @@ -791,6 +792,7 @@ static void e1000_alloc_rx_buffers_ps(struct >> e1000_ring *rx_ring, >>                             adapter->rx_ps_bsize0, >>                             DMA_FROM_DEVICE); >>           if (dma_mapping_error(&pdev->dev, buffer_info->dma)) { >> +            buffer_info->dma = 0; >>               dev_err(&pdev->dev, "Rx DMA map failed\n"); >>               adapter->rx_dma_failed++; >>               /* cleanup skb */ >> @@ -877,6 +879,7 @@ static void e1000_alloc_jumbo_rx_buffers(struct >> e1000_ring *rx_ring, >>                               PAGE_SIZE, >>                               DMA_FROM_DEVICE); >>               if (dma_mapping_error(&pdev->dev, buffer_info->dma)) { >> +                buffer_info->dma = 0; >>                   adapter->alloc_rx_buff_failed++; >>                   break; >>               } >> >> base-commit: 78445023439506ebd83b86d40b1e428a3b309d4a > Reviewed-by: Dima Ruinskiy Tested-by: Moriya Kadosh