From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A1E52356D0 for ; Fri, 16 May 2025 10:24:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.16 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747391062; cv=fail; b=mZ6gPHr70SIhrqfI0xs9CuO6CMNEjktAAD/gqJIAwuVSfKxmjhPJfyWErFdGqCyeyj7sYOa/LUWEOJXdIYKJkE2XRdsJpZkF9GAPUaOWtdxNXYzBWk35M/mqY5L1/hVVTaudyui9EwUD0Y9dAVsx7kdpDQwwVQsK9u9r/l3NQhE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747391062; c=relaxed/simple; bh=jA70LXvliNvwdmzrgl/2FPPoFFCBzal2MJOWkC3pDK4=; h=Date:From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=ujKK3XHGLdufCz+94PI0AqwpJWu3T+NWKVhQ+4YoQqwJPzjfQPyDGvMALXBtuRhIAXSVXyUnndv56vpC/Buk/rgF/MfNp39OW7TifG6WNO2xceAm9ZLc+fslj4pMOva8KH/TUdprh18R8YYCzURASzYJSTD+SEXSERh+RK3mKvs= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=X8D4VlBf; arc=fail smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="X8D4VlBf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747391060; x=1778927060; h=date:from:to:cc:subject:message-id:references: in-reply-to:mime-version; bh=jA70LXvliNvwdmzrgl/2FPPoFFCBzal2MJOWkC3pDK4=; b=X8D4VlBfbCv6iOsDP3OyGSPR+Lp8jaAbExtHoRsdd1aZW2JvY0BlvZpR DoFW9+B3SxGX3BqPfFIWIL1f7UQ+avSrLW6rzjpQzAHdiRaa3r3U2zK2h hQsLlCDH7d8fgKGby20lARa1uGfJz+wNGS75nwUND9vA24LMZS6pbS7Jj vusdf0tOvcnmoDGKu5IG+g+BqZwO0zUU/H2FDEW0eg7HE+Pj6EPXtTYxn 6Xde36DawHqxUKzJnvSeN+pEscwL1SxnnEY05Q6McjvRinXPeEGvRDf8P vhNmJwi6C9avkCW9rRaQQSAsW7tXypZ71CmfOZZB+I/3GPFxyrl2xBc6s w==; X-CSE-ConnectionGUID: MWczH7RIQMalyo5zGDZ3Lg== X-CSE-MsgGUID: 7qYHfFNITu68WZzmQLTvJA== X-IronPort-AV: E=McAfee;i="6700,10204,11434"; a="49427408" X-IronPort-AV: E=Sophos;i="6.15,293,1739865600"; d="scan'208";a="49427408" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2025 03:24:20 -0700 X-CSE-ConnectionGUID: 7oikdu23Qa2iq3D4mOWExA== X-CSE-MsgGUID: Y1FV4baVS5CHfH6+o6dH5w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,293,1739865600"; d="scan'208";a="143543222" Received: from orsmsx901.amr.corp.intel.com ([10.22.229.23]) by fmviesa005.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2025 03:24:19 -0700 Received: from ORSMSX901.amr.corp.intel.com (10.22.229.23) by ORSMSX901.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Fri, 16 May 2025 03:24:19 -0700 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by ORSMSX901.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14 via Frontend Transport; Fri, 16 May 2025 03:24:19 -0700 Received: from NAM02-BN1-obe.outbound.protection.outlook.com (104.47.51.41) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Fri, 16 May 2025 03:24:19 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Sq8sgVYjny3hxVii1SpZjqNS5L8isB6woYMATfVVzo4odwwNrEDSvDlXknMfFUals8rv+o7+t4CuxiZZaPHFtAo3d3Xx4lgh/1jVZWRc/Kip5hNU+R0pcwSvrB0TXH608l9VxfAcHIA5/Zi88gIfEP58ipXhzq4h3+jK47aLZDbxbs9STLRN+PtM/6vPyECfKVwKJ3qwjXq6hfxTSO5i3l4NJ07jD1Kz7yZZFdenou9a3FV3+xuQExo/rDScBkP8rZxRm2Su3mg83EurrNQnX3YskihuNrHx2bC4Ac6scFAyrvV1qCU18E64frVzwYn2/b7+Pv+GK41ud5GmorTBxw== 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=2NfENYMqc7erhfplUKOXKZt2R42bbYchO124LsyURaY=; b=jys6Cy3aYqXy05ZUTHHkI2w2PU3cN2znZ7vhNSzEPITgcJoAeOy01S8H4/YC28NqLJeDlpHslX9HwtGRqXCWPScSsEA1LN2HJhCIMh+r5+1oZuLxTVJxXtwEQwIuFSwutDFYTpzKqEntqe+JftG6q3OALAhzkR/q9sMNMv+EdX/7+/M+g+WebISvXKqXFCCWCoYoetj/i0ZIQGNg9uQ16AQF82Zce/oINqYEoqAvy4ANlVFMLoyngfl+ZvdU3ltvU3xVmehE4/LIEUnZ1ZtmORTe5syOI6SZDYWaVmRXnJaA3MNGTWj/37DcFn3fvvs5CUzI15oPQ2ijr19ubxyEaw== 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: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from DS0PR11MB8665.namprd11.prod.outlook.com (2603:10b6:8:1b8::6) by SA3PR11MB8022.namprd11.prod.outlook.com (2603:10b6:806:2fe::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8722.30; Fri, 16 May 2025 10:24:16 +0000 Received: from DS0PR11MB8665.namprd11.prod.outlook.com ([fe80::8e7e:4f8:f7e4:3955]) by DS0PR11MB8665.namprd11.prod.outlook.com ([fe80::8e7e:4f8:f7e4:3955%5]) with mapi id 15.20.8699.026; Fri, 16 May 2025 10:24:15 +0000 Date: Fri, 16 May 2025 12:24:04 +0200 From: Michal Kubiak To: Jesse Brandeburg CC: , , , , , , , Subject: Re: [PATCH iwl-net v3 0/3] Fix XDP loading on machines with many CPUs Message-ID: References: <20250513105529.241745-1-michal.kubiak@intel.com> <1f726c87-c39e-4818-bc92-295ec1acf106@cloudflare.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1f726c87-c39e-4818-bc92-295ec1acf106@cloudflare.com> X-ClientProxiedBy: VI1P191CA0010.EURP191.PROD.OUTLOOK.COM (2603:10a6:800:1ba::18) To DS0PR11MB8665.namprd11.prod.outlook.com (2603:10b6:8:1b8::6) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR11MB8665:EE_|SA3PR11MB8022:EE_ X-MS-Office365-Filtering-Correlation-Id: 7f2c754b-30c4-424b-9b19-08dd9463cf2d X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?LC9mTiD0VmtTL5NiVkg3ilyG6659HwAvtpbq+LA8ITMsaf0M7YGnfVTaiPqe?= =?us-ascii?Q?nGRH2SdQsduUomF0mWgu+6BIoX/MvvEoTkqoxUffIGppAKWu/d4rBZKB+L1T?= =?us-ascii?Q?HGA1crlTWj33Vs4Mpg+XHT6OOR/vka/3cJ6Ll0KHwSWMvc93l/PJ3N+nfjx4?= =?us-ascii?Q?gRxjvU+F+A0dsGstJYxpMugc7TgAGARWsyybCwORR5TNOW2zheT3BIPak2EO?= =?us-ascii?Q?u3iSLh5zLuTvxG3sIFqR7pGSfyQ/1A49cvUOfr8n02h1gfMrVlpZDuJwYzvr?= =?us-ascii?Q?js9D4ddU+0iwGXJuff7vb1cXzRr0d8v2Jnrz52v1pXKMCzh+9OPI1/aYrmFF?= =?us-ascii?Q?lsD9zwwn6RH6xsKXgaBcNnat9s5YSZqZEjNwoy+VoHhr+8zMUz6ioZsE4u7t?= =?us-ascii?Q?KBmEP4eftC13ZXqXNe2JCio9xThQ/T/WkHMwCFS3Id9YTJteMX7gtVHahFvd?= =?us-ascii?Q?V/0IoPJwZXPAmIm6NBHgBuH4sF30HHf0464mtchiRb7EWBa+M5roV8B+HlNM?= =?us-ascii?Q?1lHsDHuovjPehQ0316dB3G5r57ZVrWcMabYsHBzCBgfQfjq7sFg21f70AdIY?= =?us-ascii?Q?MeYdRkSp1sHY97sbDWlCUaNPcE8Vhvs3ATu/cN1WdkZ38TWOu+m6KManXiAq?= =?us-ascii?Q?sgbRA7FVIrGhHpR5rDrmFOSg1gZVqMNGPSndXV1CiRIQMP7h5IV6vHvLNW4B?= =?us-ascii?Q?Hp1hV/JIYN3kHLUntAUjqf+ZjRcyJQoyy6eO87CAE5tfhwteCvZRBLW/hSSA?= =?us-ascii?Q?PykBe7Nagb7+JSlHP4TJ/DG2KQ7FbyXs+eqB0cXB80fWUkX0gTjdEiWMAJ+C?= =?us-ascii?Q?qpsjlVOmnP0he4NzEdyiCYjnwasqNKTbYj6355PHtU75qhjiIM8ItkMg2/pI?= =?us-ascii?Q?LpaM4bf8NUxNXlbQSBCkYqaIB/lHNDaleKfGonTLvCx1BrJwsm6TmGlywKkc?= =?us-ascii?Q?syerH5PKsP86lyhW7IWKYJNUJ9qWWPsldYfMU2jBbGLY1WNAtr2ofjRXNw05?= =?us-ascii?Q?GTSXdcF1kuOX4IKEyLLs9pHJOW0zN26BkQvR3QkPyVtIKt9seMGcR+43ech1?= =?us-ascii?Q?XBi7EEzkTHHzq9lEdeWJrP1Y3on8LULbn+gUpeBqPqPm/kx9rGFapZsrRW2U?= =?us-ascii?Q?zVCMBN3UrV/Q6yzb5pHdaWRBsuLBT/vTVOc7p2TZHmxBjdgamNDYWyA93CPh?= =?us-ascii?Q?Aq1jVWhtFyXvcpR+2TsBVw6NBQKZxj3WEctazBVWDzv60be3Gx4i3RIlxSFH?= =?us-ascii?Q?Reu3+zFcOhd98DrVVGj9+/o9+2miZrpcPU+aFL3Mb+dhgzYP4pz2mke8TOGp?= =?us-ascii?Q?xEKys/WbGDxEsy6uA2AfgfFTNARnnpz3vgIE5mHvgCpcd8jCJvXvviEoTSjO?= =?us-ascii?Q?2fio91fdM+/8JNiVtoChiUJkGGLzd/LgHiPLaSJuz2dHnXT10w=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS0PR11MB8665.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(1800799024)(366016)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?vF1Ie3ywLR7LFOKJxmgGv4N9bVVdmiwtdqzlwuIT8u0CeINvkL/x4A9mZIGs?= =?us-ascii?Q?3DxXXUP/5t0gd6COf+e7GKcL6nub07/0OTlO2RuBiSBByATnp3oOsh1O27xO?= =?us-ascii?Q?vb3gOCLK7dsiNRvFmoxSzp3Rodm6C31K12DWuPLruGgs3n2OVk2CyVYDsvWe?= =?us-ascii?Q?v3ZsKBvcGFhUe9xR16+V3i9aPey7tDty3seaAHfq5A+ImS2/cc7IVPZhN1fg?= =?us-ascii?Q?LR7GvpVk+TxelIwzjWTZWweWiPCRG7J0aL72qYisYjoTbN4FHGK1/2pzs1+W?= =?us-ascii?Q?NnDJVTDqnQFt2em5x4JCUY9DoeuLzJreqmUgGry6TVAxZOLeDlNmQjOmhiA2?= =?us-ascii?Q?xUQ781ixFiw29wCok/Sby90eF8QkpA2wEZ1qda24xCw0hWBdWueARgTqEmVI?= =?us-ascii?Q?g+Fr2GcEb98yNWlZt5t08F4+xk0vnRmwzYKj02QlaAy8qVI3TJvbSBiyH9Hm?= =?us-ascii?Q?RjmypBFix9IluvVg1WV7vvsF1navobg9XNML0QA6ejv+nqzmkotjrrOGXive?= =?us-ascii?Q?5wWFIg7LZ/jyww8QZJBM0KVlNNREj7H2p1IFA1MK9tUDLVzgO3IdJVsP/FaI?= =?us-ascii?Q?IRbP+DLr/L1u9MxsCLByCOayjxU7RJ9LtVjYxBuYCl37b/ANL3GC4kIXwi4J?= =?us-ascii?Q?1I4TeeQAcg9+xKmqUMKsIyGssl3YIk+1GOVXzcmhsvrogY57GrCa3yqQTJVU?= =?us-ascii?Q?5m81AICnzDjwXSkqM1EEICDANj3BaKgeABmp/4A8pw9ubXPgXbXDd2P3qUHU?= =?us-ascii?Q?v6cT1CzPGaYOMZ3d1AZeqT+qxxhQkLw60R5PODIAb/SNydFWtnn+bSVOujfN?= =?us-ascii?Q?Y8vittVEqkWmM2qssvW5F54N2OrzSuEfwpO3sM6ADo4SNRaTyWl6rAB8Ooit?= =?us-ascii?Q?2+hKg1hMPBL5YIW2VCSeUF4EfgcGlexh296akW7wDg9J5Gx92lcmoidSLEzs?= =?us-ascii?Q?dv8j/PjR8vZ/wpc3rvK/Q3IrWYK0IHcHpGbQWFku8Sg3CMC0dtEo2/TBBt6/?= =?us-ascii?Q?2zEz8CsW1ekLVuM5Hq9iBwjuEP9o+URfcuX2USFY6cAarTscaVxKzzh4Nc1h?= =?us-ascii?Q?3ZIqk9UebnFYZCob2q9egyiI3WU9vGSzYbgq/3PcIt9istwtrEsPVS6KJvFa?= =?us-ascii?Q?QvGgzmlX9LhMZ4yjc0QYKPIso1POh0w1E+Bao+307+XfugFxlCr3MNyHY2Dw?= =?us-ascii?Q?BhcPDTaMCPj2wvV2TZ2rNEayK/v12f/M+fEiWy4QRod1eoxk4KqCZo/WHY52?= =?us-ascii?Q?HLCO7uEUzykTndek9M7ggdwGHnyj6sXO0aU5/UI6+B+H5+hV0F9nqs6hu0cO?= =?us-ascii?Q?6BrlBTC7KcV5JMjO0XN21v1GAKOqHyHiqMtIymPYntZkhy7jMngAdP4wwewo?= =?us-ascii?Q?Ro1fG3gyCKAQNHh5x3BbtcgW6B6x7OTwwMApGcwUhULtSfn+O1lLIYObB4w2?= =?us-ascii?Q?auzIOE8QoeqMyLj0t1tzIiA9ov3vmnAQdHbhscvuxpvlrbx7bb82s5CjRG9D?= =?us-ascii?Q?YzFifC7w07vJJ2KsLjpATHEpoN+JJEXwuDHvQNJ382eMDT8ioUtNrwgnJQTc?= =?us-ascii?Q?EloTObW8jnVItabRGYSLsqrZmBcqq6FW5hl4i0VRbE6bgmSJP52wdXoJoe7x?= =?us-ascii?Q?gQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 7f2c754b-30c4-424b-9b19-08dd9463cf2d X-MS-Exchange-CrossTenant-AuthSource: DS0PR11MB8665.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 May 2025 10:24:15.8125 (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: lUrT+0YsO6GcQq21bW3fTc2VGksk5tQXG6A5iixivBJT8KG93kJ2ZeY5+A1Q3PtVT5ACc1g8qHYenGZ5alD9nQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR11MB8022 X-OriginatorOrg: intel.com On Thu, May 15, 2025 at 03:43:24PM -0700, Jesse Brandeburg wrote: > On 5/13/25 3:55 AM, Michal Kubiak wrote: > > Hi, > > > > Some of our customers have reported a crash problem when trying to load > > the XDP program on machines with a large number of CPU cores. After > > extensive debugging, it became clear that the root cause of the problem > > lies in the Tx scheduler implementation, which does not seem to be able > > to handle the creation of a large number of Tx queues (even though this > > number does not exceed the number of available queues reported by the > > FW). > > This series addresses this problem. > > This new v3 series passes all of our tests. Thanks Michal (and Intel) for > the work on the patch, and thanks to the hardware team here at Cloudflare > for testing! > > For the series: > > Tested-by: Jesse Brandeburg > > Hi Jesse, I am pleased to know that the issue has been resolved in your environment as well! Thank you all for your thorough testing. Please do not hesitate to let me know if you have any further concerns. Thanks, Michal