From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from CY7PR03CU001.outbound.protection.outlook.com (mail-westcentralusazon11010063.outbound.protection.outlook.com [40.93.198.63]) (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 D9ACD3932F6 for ; Sun, 24 May 2026 12:50:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.198.63 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779627036; cv=fail; b=KcSizlpCE1e4JgTqz3+orkP9jPFuU2Q/VzPgjC0FeI2ukAx9Xq1GCRxc6rEbAjC4y2C5UZRlcWPmJC5gKdYqnoOj7RdF3rF3qJWhPV1yUccS8UMogn48+bv4FxTrn6gj1B7/Dn9e97TkFllOFvIkb3PGUnugVZzHkDgBlUrPS3c= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779627036; c=relaxed/simple; bh=N0IDuYUP+nzgDQefMxLDz2OCDxhvGA4ILuiqITF1s9Q=; h=Date:From:To:Cc:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=iWBTdF3wSlNrftHHMRwD2Ib0vBBtFhtWqROiIPN6XYhwAVQjco5mTGLm30HIiDhTCi1eH3CAD2p3FjTfUFJgmpzh1qYlHYoag8oAWEWxQ6ijMSOaM5zG/QVM8OVmNffrEMeIgdhOZL/3LiUHvc3Jp2+bm7HNZ6jy0yMsNr+BfL4= 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=gcPpJGBr; arc=fail smtp.client-ip=40.93.198.63 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="gcPpJGBr" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NkMVpMsw8WjB/AZ+DO0M+l/v5p47FR/nO0DQzT1zmg49DEkXQJeme8Q50jU/VT0PdKdb3ove/u3sIZctR+Z2dCbqAr55iTJNi+fnZXs3aVBcADGc3llY135UXX+REMToYmrunfLoiKhK0DFFljEp38HobWV+m4/AYWfm/PXvDOW1zoB7hoaUirZoYLRJjiTSC6Bk7avXresFYuhAjJ2TlSmWqZQLyoFscW16qXxUbhiF+8mAnFOAdtU1UydDP2l4dPU56usVf8ssi/54b+C4LW1NLFPxbrfb3LbHtr70XkIgp+YDnhWRXg4TusBvq0JYisgizNh2eNeWYVKLMAuUcQ== 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=fqh2YumgRjtO5dE+aeWpc0rauAn2EfMmskPDso4liiA=; b=IDCe/UEo9G84hQ4NdS7TTfn1pk6h4PISToH1A3QdcPp31PdI8k8NAvc0fkQvbAsnDN470nNWXyynCKr5ZxAKHDkifRqY7pDJzeaIDv8fggv2f6nPMLZbSYNgjO9c/QZnDGGJwOHD14kjRCdA2Df0J0iK/vhAsSsdDwmjgDMsGADBmDBYwCkKjc3LKnFw7Eefi6F3mNuAL5IiqatGdreYfkrYNxSrH1c/IXUxXasMeTNhRVTydEh2KspV8lLFUNVC5smN2NWTIkcMlUBapZTyNsiAkJyYGzFMgtWbkoFBR5eLTPEjlNpwlZiXtnfNQ+k4/qv13jqQqXAEHLC9c61RsQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none 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=fqh2YumgRjtO5dE+aeWpc0rauAn2EfMmskPDso4liiA=; b=gcPpJGBr5QaKUn90FaLCWvxsv6ZGApDMIAnzjd43EsrZKeJ8Gh3wqhJz5CIIwldcpGZM5OGtUrYgufekrHv9lrg87T5PvwB/oz5GPkNn7sa3pPPXVKsevbqAJWxdyrCSFP23eOdjsSjDdegYDQpzRTEhHJTrPCoAst0gvi+TFJ7qkLfXnY92VBiyNRWlGTIiSosNClkZKwdC87XnA9i2fich1vTmf2tDgAUSyy4B8bCU6zlYRDrZfFjZLh9sim83w2WEijHE8v9vXUBT4aryBQuTgMu3tszZfo1D1gWyJHAIta2iyXuv4Mdjd7y81pK6UGVFwgnYbacw2ugGY1ZrQQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from SA3PR12MB7901.namprd12.prod.outlook.com (2603:10b6:806:306::12) by SA1PR12MB7269.namprd12.prod.outlook.com (2603:10b6:806:2be::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.48.19; Sun, 24 May 2026 12:49:39 +0000 Received: from SA3PR12MB7901.namprd12.prod.outlook.com ([fe80::6f7f:5844:f0f7:acc2]) by SA3PR12MB7901.namprd12.prod.outlook.com ([fe80::6f7f:5844:f0f7:acc2%6]) with mapi id 15.21.0048.016; Sun, 24 May 2026 12:49:39 +0000 Date: Sun, 24 May 2026 15:49:30 +0300 From: Ido Schimmel To: Eric Dumazet Cc: "David S . Miller" , Jakub Kicinski , Paolo Abeni , Simon Horman , netdev@vger.kernel.org, Nikolay Aleksandrov , eric.dumazet@gmail.com Subject: Re: [PATCH net-next 10/11] bridge: provide lockless access to p->config_pending Message-ID: <20260524124930.GJ74116@shredder> References: <20260521131916.3627204-1-edumazet@google.com> <20260521131916.3627204-11-edumazet@google.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260521131916.3627204-11-edumazet@google.com> X-ClientProxiedBy: TLZP290CA0013.ISRP290.PROD.OUTLOOK.COM (2603:1096:950:9::6) To SA3PR12MB7901.namprd12.prod.outlook.com (2603:10b6:806:306::12) 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: SA3PR12MB7901:EE_|SA1PR12MB7269:EE_ X-MS-Office365-Filtering-Correlation-Id: 6e2b52a2-f429-4d9b-afe2-08deb992eb2a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014|18002099003|22082099003|56012099003|6133799003|11063799006|4143699003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA3PR12MB7901.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014)(18002099003)(22082099003)(56012099003)(6133799003)(11063799006)(4143699003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?wFO+juPv1HGPOOv6zuwB6NhhOn8VYsgT1En7HmQIerul+6d9bbtCkZ0oA3YC?= =?us-ascii?Q?V5q1vOTOrDQQmwQyHrHMRZPfpUBrqHY3g2NL89pO1Q7WKZQBQnwWdx8SbEzx?= =?us-ascii?Q?3VNcE522kbAANDvj4N3ud0rSHHrja8KX/MDmWni2lv26SCyjCAeZKoXJbUaK?= =?us-ascii?Q?GQ9/ds2obV1+DvgL93ugWbTh9CoK/FnhqJxwl8DY8IL2SVPoVLI7f40PDjZX?= =?us-ascii?Q?xvd5Jxip5fu8SU6HlnHB2k3mzFEl0LV/hAzMYaVEwN3k/rthk+A9Iz6lYk4D?= =?us-ascii?Q?JdPtEam/6+yLl24duOldZAjFXGYhniceuTmK5AC1ABc7aA3gtQl2eT5PyuJw?= =?us-ascii?Q?a1tO1ZtlJEWZsrQ+7htvIqkCZzh3o1fqY8bbgGp1qNjg0hWTzLe7EAC1SgV8?= =?us-ascii?Q?HlX5svcIQk5UKlEVEvb8V8H+EUxqtssSjjRmSsQ3uxG6cl0Kp1KvcMtNrZUA?= =?us-ascii?Q?sxaxx3osl7Z3Z7cB9elNaCpwGlV81A/IA3gNoekRGDz2PYabkjGaEzGMHIhp?= =?us-ascii?Q?+qzyHf3lN17NhYNFiDYhAqMeuuNuhxMZjEwZqSgz7Qu8HaXhRl8YdQCvjVYl?= =?us-ascii?Q?y5OFCoilM7v+WCfKEdPb3yu1cRcpYLQwFqdiGbsmrWqi+71hQF/YFvJh4IDV?= =?us-ascii?Q?vC4BFWKpGOq04UKrfawpVREv/ObM9Xnc+cJiivkkoMqvcgEo7DLiF8XLRBSC?= =?us-ascii?Q?kdCQthQgkMUMapQclJnH6oDwQlbyt0u0TVt5drV3ksMinGnlNy6AJXdsiZsq?= =?us-ascii?Q?Xq9AsYOQpZ89hTNONgngDYBsfNV48tcg9aykXDw519ug8Y1uLTjl9IguiN2L?= =?us-ascii?Q?EV2r6fxc/EBvGcupZFMhsMNyEb+21lmHsdaHYoK5rEDYHRAcUDhHt5OzzoIp?= =?us-ascii?Q?pN4dcjIGE3g8WzP6XmJmTruuXvnsGfhEaKMsFQs+zBQhN2YWN5LV2pE9ddIP?= =?us-ascii?Q?I9YiK5t3+zBLdQswGl6XiZlaOm0pv+9B1hTjIbLk2P9CVOwOHRyo7wcVuvWB?= =?us-ascii?Q?bns4qYu15qvVZvBIBuRKVQwziOx+48Zt3j8e2njs18BstQ3be3CL1oiRWMwI?= =?us-ascii?Q?wPjhM50XRyJvwAvYMnE8t0PhvuqEw8UJc3Mf66k+OtURBvrHvcQGwe/Xl66/?= =?us-ascii?Q?QpP8gjnOfA21NnNndlyRwmHBynaDK0z3Qjrridbp4zWPfNNjQ5Awb/CvzUaT?= =?us-ascii?Q?eFE4Vd2jMAMXAOUfgZc4ymLSiT7Ycr825K4A7ZaSMmY4tLSLc44FDhPrwZyh?= =?us-ascii?Q?I5ETvH3tt4UQGiYpALjpILCWl2Uc5vMW4oh9PYkQNhJAAthmR7ECYsQaoktQ?= =?us-ascii?Q?H1Y4ahS7iY3GhozqkwYV7go+2FKA4cx9Rp0mh9BRl2I3OJZHrpVHgdJSOUn+?= =?us-ascii?Q?+MPKO5WifO36BismUkRt1kfjz1RGRWGj/3RyniL8d3wuFFcoUnZex4/v0sXf?= =?us-ascii?Q?lM0pcqwsEDmjRBsKedFcUf+7UHd3T9BCebUTVncvluvHaJ/U7r7Vdp5DvEQm?= =?us-ascii?Q?/QynO9XZyrLRTEST3OJsfdFvDjgENzO5ZKD1K+YV+TWj5FBvkZspFHj3IGnn?= =?us-ascii?Q?rJBN2j53lYoEF0bOLAKpiFh13DsQucDYOXOl42Sdx8fYR1B4d6d8D7ZTD0f+?= =?us-ascii?Q?jtWUKKTUJZHJtlGC8xYWuOzefFFUf2oiBgYl+GppD37D4T5M01gN9Cmk4pwL?= =?us-ascii?Q?dQDXmS82OeGa/jod9j4n/AnzjtEJeUt1o8nTS69CuvYg+38i?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6e2b52a2-f429-4d9b-afe2-08deb992eb2a X-MS-Exchange-CrossTenant-AuthSource: SA3PR12MB7901.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 May 2026 12:49:39.5866 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ZhYR/daTN9YUc7h8oxRBFiZx7r9G2JCck7dWP9z8rBcxwq29J/nS+4ko9fai7jmDSK+I7qkWlHEEWlWVsH/nPg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7269 On Thu, May 21, 2026 at 01:19:15PM +0000, Eric Dumazet wrote: > Needed for sysfs show_config_pending(), BRCTL_GET_PORT_INFO > and upcoming RTNL avoidance in "ip link" dumps (cf br_port_fill_attrs()). > > Signed-off-by: Eric Dumazet Reviewed-by: Ido Schimmel