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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B5FCC4363D for ; Mon, 5 Oct 2020 15:16:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 50150207BC for ; Mon, 5 Oct 2020 15:16:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=6wind.com header.i=@6wind.com header.b="WI9PQTnb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727024AbgJEPQQ (ORCPT ); Mon, 5 Oct 2020 11:16:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbgJEPQQ (ORCPT ); Mon, 5 Oct 2020 11:16:16 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1F32C0613CE for ; Mon, 5 Oct 2020 08:16:15 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id l11so802649wmh.2 for ; Mon, 05 Oct 2020 08:16:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind.com; s=google; h=reply-to:subject:to:cc:references:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=8P/Y+cdQgU4hGcdJmbgViUyKjvisofzjM0HdBo0hzYg=; b=WI9PQTnbI0KSSwVoL1D66SDULtmtnJXAmSCSjQDIGBPS8zHDouW/45ViQKBD9fFC2v ZcYfmcHWn3s3B8Vs9uHJy/hcbLK8SAJEXEJrs0qq/sff0mp68SCbWVPOLeWj8SzWhD6m vmxDG1ZnWFHKZoDvbPYAhA3Vx3til7Kxox0hIFE3m0U1X2azCyauZmnuw2sHtETtS9AL IszpqKPV0/wuNIMCMRTGxk2/NHulexUcBk2lmeRe+cn2QjgSOkAXiBMWCA8ysUIuUomy BWqWxRU9nRG/ZUhhaklmtUMMl/zpY97MH/7wmslgF//ZZjf1Zoay3LbS5jVIXrX7x9Q/ y1Fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:subject:to:cc:references:from :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=8P/Y+cdQgU4hGcdJmbgViUyKjvisofzjM0HdBo0hzYg=; b=fHcphlzvijHvWqM6/KGOUrlzmQImbfd6IkXlQk9Hb6d4NVIKumzsHeJxTlEasFc6Op FUXtSmNwBk8+WXgYLNR+TXtbXOKr04Sfcj9Q1iL7vYzCTPVI+dP97kW1zQMUYyf5ZDCn UbkXLj85yFq4esa/5kUfq7ZPmPduZmR2h8vsMcH2mnAKB59dDkgFn455xiLUrfZS7RDd S3XFDLm6RGl6vuQDdRyauVIRnYR3xU1PIWtVozxozsqdH1T8mY6C7/16Tj9goLJzyfY+ JoMdwhBwVqsrfIw8VY76iAVs2o6L/LbGl/3NNfTSPbQPHcrdVDXByzLX50AL20NL/Bnp 2zHQ== X-Gm-Message-State: AOAM531uv4SWkWXuDxExygffdr54dhz3D9Z4rbqn3CVDiPWclYVn69aW rQxw8jS8zXphn0tvMRQx5Z+Z3MRFmD+Tig== X-Google-Smtp-Source: ABdhPJyzVDa6SKJ+ULjxiOgqwDSPF1nh42mka7H+ShD2rLXs4iad+Z3hXbIOALYykHXPV+/abLP/OA== X-Received: by 2002:a1c:ed09:: with SMTP id l9mr76120wmh.89.1601910974099; Mon, 05 Oct 2020 08:16:14 -0700 (PDT) Received: from ?IPv6:2a01:e0a:410:bb00:d146:d085:7412:4af5? ([2a01:e0a:410:bb00:d146:d085:7412:4af5]) by smtp.gmail.com with ESMTPSA id o129sm49488wmb.25.2020.10.05.08.16.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Oct 2020 08:16:12 -0700 (PDT) Reply-To: nicolas.dichtel@6wind.com Subject: Re: [PATCH net 08/12] ipv6: advertise IFLA_LINK_NETNSID when dumping ipv6 addresses To: Sabrina Dubroca Cc: netdev@vger.kernel.org References: <00ecfc1804b58d8dbb23b8a6e7e5c0646f0100e1.1600770261.git.sd@queasysnail.net> <40925424-06ff-c0c5-0456-c7a9d58dff91@6wind.com> <20201002090323.GC3565727@bistromath.localdomain> From: Nicolas Dichtel Organization: 6WIND Message-ID: Date: Mon, 5 Oct 2020 17:16:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201002090323.GC3565727@bistromath.localdomain> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Le 02/10/2020 à 11:03, Sabrina Dubroca a écrit : [snip] > I guess I could push the rcu_read_lock down into veth and vxcan's > handlers instead of the rcu_dereference_rtnl change in patch 6 and > adding this rcu_read_lock. > Yes, I think it would avoid having this problem later, when someone else will use this helper.