From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013027.outbound.protection.outlook.com [40.93.201.27]) (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 E47DE34EF0D; Mon, 12 Jan 2026 17:37:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.201.27 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768239474; cv=fail; b=WZGcOSXHgw+D9L0+v9jVR7OsJ794RQqgJcYs2+csI8ScisEH7mwjjOoqEfGlp3K6RSoGQ5ZN4jEanJbCbykzFT3Q95SP1BfaU7rcnLyE/nsWNzWj3kVCTDrVJkJ3kEt5rLJAN3FWZlGLL0ZB+AU8ZktE+LYpltAcfNDkulE/arA= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768239474; c=relaxed/simple; bh=Rjnz+GBHVY7xc4kxEzU1Lv2P9E+xLJJoM9Ws8XGFo+M=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Cu2VVBctPl/HZGL1YL8npjdgeZ9de8wvNMlMih5lLKfV7tFE1G1MNWDdRieF0ytm7J9nEfb3RP5PGCuNVPcG8Nn+y1HibPfSu3w8QPLRYM4RACa7guGAM6ya+2YT4nYABNKpHVrBN3PL2jekKe9++5MJNApjmRhqeJ+2tVA7Igk= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=RaiRRb+F; arc=fail smtp.client-ip=40.93.201.27 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="RaiRRb+F" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=O4FCYo2Bn7/1t32mzX/vW8owHu4FduyIWThIaIgmEOegebRhaobgBLtwlUPwJNGvsVNyJUw8JQzl7P1OPEJPXR8Iw2LQ2Ezvqvxkfssz0zk+0Ac8cffFcCpFkYdUF/eIv6zoogei1xDevm4myXrMjmqGMxNG0UfhX2gUteBlycEQJWhh0KP9bGpUJhEp8rQDIDG7CdfpUSMy8HXz+GSjI8RTpN7ul7lzwjSB6GiJEDWnBUYiwN8+mPnTT9wdVQ9UZT19tHB5gmmHdm88ma9Y7G6UhT+4UkkGDW4PzSHlF6eHVzwu6gUsaUIf9fcsfzmlwhWq4aNSERbPho0WK84oaQ== 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=0xblyCgIho11s9h+j8jG/MI1dOBEKglrryKKE5lK8iQ=; b=II8JWRvWJeF2ccE3yzff4Pth6+U+06MY75OIL2VEwa3ZJ2MLCjXPjg5G2VOLHNlDHQAn7ymEm0BJVfFOplLkzamiu314lUrfIVZBqWH/BHRgeDaob9A2qtQ0J8ZZq9lm5s5ABVfAt9nk/zZt43j7CQ4CQw8qYJR1bNgqdRnWod0bjaM9fxyonastxPWRi03fkIEHcJ5IZIHq0w5I5LsKuE9W4TTaqnLE7pS9r2hGp9KMKQLui236mG/QtbyjM7fxrnxBrJ64IVtQyKCNBAucSauFs0KrlevRDOeo02s84GOqfpWAtIrc8jPmWGtXTdNLd+GkJ6kFVlqMktrlaqL3KQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=davemloft.net smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0xblyCgIho11s9h+j8jG/MI1dOBEKglrryKKE5lK8iQ=; b=RaiRRb+F+OriGQy4Qv7ZqnwvZBcQgm/BT+e2M8ZHYUk13jl+wrKRpI7hy/k1gdTmM/V6I7ECby6vtVC+NH3o0b7Ji3XfsAicf+Tq3ddXN2+KYqqwZaK2/nMHj7SBvfszMPCTP1zhXeCfRmTo2pHgiszj4/eh9RV4mMU69NrHTQx/ezx64lUA0qIbqIQIJtTWBSADCThOjnFrjh9ixHpkVPCsLoR4CBNGjqDA8D1X5BuTZ5kOW3V1ArZcpf72iq33Y9nyBwWV4SWqg1ltpqS8E/Qhw6jekQCWrmgaCFTF8VxYjQkDbmdwgwNxQ2f06PBPxX2OfmifBODvQcAaKih+nw== Received: from BL1PR13CA0026.namprd13.prod.outlook.com (2603:10b6:208:256::31) by MW6PR12MB7087.namprd12.prod.outlook.com (2603:10b6:303:238::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.7; Mon, 12 Jan 2026 17:37:49 +0000 Received: from BL6PEPF00022573.namprd02.prod.outlook.com (2603:10b6:208:256:cafe::6a) by BL1PR13CA0026.outlook.office365.com (2603:10b6:208:256::31) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9520.4 via Frontend Transport; Mon, 12 Jan 2026 17:37:48 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by BL6PEPF00022573.mail.protection.outlook.com (10.167.249.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.1 via Frontend Transport; Mon, 12 Jan 2026 17:37:48 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 12 Jan 2026 09:37:24 -0800 Received: from rnnvmail202.nvidia.com (10.129.68.7) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 12 Jan 2026 09:37:23 -0800 Received: from vdi.nvidia.com (10.127.8.12) by mail.nvidia.com (10.129.68.7) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Mon, 12 Jan 2026 09:37:20 -0800 From: Gal Pressman To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , CC: Shuah Khan , Willem de Bruijn , "Petr Machata" , Coco Li , , Gal Pressman , Nimrod Oren Subject: [PATCH net v2 2/2] selftests: drv-net: fix RPS mask handling for high CPU numbers Date: Mon, 12 Jan 2026 19:37:15 +0200 Message-ID: <20260112173715.384843-3-gal@nvidia.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20260112173715.384843-1-gal@nvidia.com> References: <20260112173715.384843-1-gal@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00022573:EE_|MW6PR12MB7087:EE_ X-MS-Office365-Filtering-Correlation-Id: f1cbe5db-72c9-41cb-b37a-08de52014d9a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|82310400026|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?arGhGKsdGj+N3hxoMeWZTW0uK7rKlnF0+0iFKyUyL8NkImcYcG83U6bqqBWC?= =?us-ascii?Q?U7UPtx7HRmH1llwcHRYoraVZxYNcBm078tENYySUoFEagHnLPZ62rXqyiuFS?= =?us-ascii?Q?eLwixBfyVUuup9BJYv+EBUqQI+J6KhCmMjhnV0jiGsLOIsDnu8h0EzOZVYo4?= =?us-ascii?Q?kKMLr1rE6aW4sGgCWOOSortogaoGLleBgpId3Quo5i71HvrTPZRENFbWWm6a?= =?us-ascii?Q?QLgLZkgaHKdoEE3zX+AKrngK1f/Azize3Sgc2ZYTG/M6amGgyg9X9tGgpdv0?= =?us-ascii?Q?37BQyB0O7BJSfVSrAzDf510lCFNi8emdoa3U3fhHUZoXxHRPAgNOV/O2TzgT?= =?us-ascii?Q?GMfCe3roMdw5ao4M6AnZUGNudDUgcpzu9b7eIJiNuga+FA4OLUnP05qB931/?= =?us-ascii?Q?qcvigBnUWq8kmqIvAJI/v88dUj7gNbZ4cYSpVttyWPrqxQMKEAYxodUwz2+g?= =?us-ascii?Q?070/iacgUq8bZ6iC4dseDr32imUNV53uCw5yyTzhUu4NMJ8Fph4IQeG0tik4?= =?us-ascii?Q?6ckL3gaZi72KXAvmfpZf15lDUeLSbtLbAmDhq+z3bdxN8PUCSEVzquABFT47?= =?us-ascii?Q?0434lt70lz3O63lq/ZpYvvCYke2Xb8NfU+gin7rlhdIG2XpzLrMBEr2IpI4T?= =?us-ascii?Q?/v6yDlxxrmvDbK30aPK2RfQpuVLymR02MQmBDvndn2ySpOTK6/lOxeTYgGmY?= =?us-ascii?Q?J4fbrwNfZWXiHRAkDgwLBGBxSpAIPR1tPmwN3eaSrI+6544vc1W8lygox2zl?= =?us-ascii?Q?40KcWCjAUyyE1la0oVOaH7xhMrDxpXXYav9CctHwuzoIR4gq1V7RYoT0ss4E?= =?us-ascii?Q?dSLuq4nWjVh41m19B8PtjWClaA6VFMZpZ1LY9fQ/Dw7s5ly1OvdJ+VJQMvKX?= =?us-ascii?Q?sXI789Ux5HKIrs7JFWK6JCuJMQxENtHTik7/aegrBz7IsAQ6ECtuH4ZymxsR?= =?us-ascii?Q?7mLnH/vLho+MrJ4WLJkWeaiedXHFD43zhmkNf7dbE72Fq7G1lu0RRHM/yG4d?= =?us-ascii?Q?EQ4Glijtz/wzhynyKARF/Ni2CUl87g7mTH9v19axsHyeYy9oXOg4h5AYRWaR?= =?us-ascii?Q?bTujt+imdIa9eYjPsdJthC3E4W8BfuBHd9ACZXQeY4rzfapESxtg4ECIVH9C?= =?us-ascii?Q?cVf+hT2gJv9468BApII6pWwGS5fv3eBewdJUHQjwfjjHrrv7jI9dAhy26xwU?= =?us-ascii?Q?mwIohz4fpSAWIpG+wPqeb5Au9w4TNgIPAqjUHNN63MZAOTFznNBPjVhNZ4Wa?= =?us-ascii?Q?TIS3VfGiUGELyiFVKOD+VxP2kGIMMo9uv6BkncinKGRJW8wlkQHS5nUsqvLh?= =?us-ascii?Q?ZWsd4o/oXAsRgJR5Vw86LKd9JP8lbAfO2taDwg0anQW3jN5+HWRkSJrS73PS?= =?us-ascii?Q?tnpYGrPvtl8AQKMRNxy5A47lFNbOVPXGCpNSX6mkVpXRMMomDgf+HooD6Se8?= =?us-ascii?Q?4n9K5psd9Eyuyc6a9z7cyWMR3wtZak4up9Jell8y9UwnzEpt9SQuM34b/FKL?= =?us-ascii?Q?VKAUkOVZrxh0Js3OcQuBBVvbrEl83cqYHLiDut54JkpKfucPnz9SVVePV3QV?= =?us-ascii?Q?Bs9pwIL3oJWx2Fw9J7w=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(7416014)(376014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2026 17:37:48.0502 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f1cbe5db-72c9-41cb-b37a-08de52014d9a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00022573.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB7087 The RPS bitmask bounds check uses ~(RPS_MAX_CPUS - 1) which equals ~15 = 0xfff0, only allowing CPUs 0-3. Change the mask to ~((1UL << RPS_MAX_CPUS) - 1) = ~0xffff to allow CPUs 0-15. Fixes: 5ebfb4cc3048 ("selftests/net: toeplitz test") Reviewed-by: Nimrod Oren Signed-off-by: Gal Pressman Reviewed-by: Willem de Bruijn --- tools/testing/selftests/drivers/net/hw/toeplitz.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/drivers/net/hw/toeplitz.c b/tools/testing/selftests/drivers/net/hw/toeplitz.c index d23b3b0c20a3..285bb17df9c2 100644 --- a/tools/testing/selftests/drivers/net/hw/toeplitz.c +++ b/tools/testing/selftests/drivers/net/hw/toeplitz.c @@ -485,8 +485,8 @@ static void parse_rps_bitmap(const char *arg) bitmap = strtoul(arg, NULL, 0); - if (bitmap & ~(RPS_MAX_CPUS - 1)) - error(1, 0, "rps bitmap 0x%lx out of bounds 0..%lu", + if (bitmap & ~((1UL << RPS_MAX_CPUS) - 1)) + error(1, 0, "rps bitmap 0x%lx out of bounds, max cpu %lu", bitmap, RPS_MAX_CPUS - 1); for (i = 0; i < RPS_MAX_CPUS; i++) -- 2.40.1