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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F8A4C433EF for ; Sat, 12 Feb 2022 02:38:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229690AbiBLCiy (ORCPT ); Fri, 11 Feb 2022 21:38:54 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:49502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229541AbiBLCiy (ORCPT ); Fri, 11 Feb 2022 21:38:54 -0500 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [IPv6:2607:f8b0:4864:20::b33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09F6A2DAB8 for ; Fri, 11 Feb 2022 18:38:52 -0800 (PST) Received: by mail-yb1-xb33.google.com with SMTP id e140so10907370ybh.9 for ; Fri, 11 Feb 2022 18:38:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Bn50Emyh6hgqfELDmONqxQjp7OSvqhW8Cz4X00opirE=; b=Rxeigm5Iw9ZvqvN7ZoGKEoBzx8xmJQCBvNt4g/zxxgnOIWmeFend4H7qAILRgoNioi nST9FmYR1woNxltVw5qi0Ez3wlKkZmyG2SNs8N+XyTl2lzSFtFhlX2mRE0Er5l6YWGX9 eptUELrSPHZ59DIf+kCHqdWRpQgXEbCBYvmgixtbr4E0wL0zFt8FeVKpQpmwegitqinO WQrVJe8I4Tkvx5W8B1BJI6IMz6jvujIOCKL2UETP5x98YODHPPD9XQyawID9S630TqYo w52KCwP+fMQ2fnyvBrjYPtOOqEgyF5//w8Khsmo3ZqjnUiuZtq6WWXo+84AZbii+IW2J xPFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Bn50Emyh6hgqfELDmONqxQjp7OSvqhW8Cz4X00opirE=; b=ug2wphrNVXoTss7An5QXpNkvChWRwwBBJvdzlHl13QaZnP/1vkpO9TMUbaLmpW5vMD LF6ahLHr4vc5SRwkakA6cW/ORQkipEsD+barO82Q0xnnVykhM+SEISe4t9eHPe6mMa/L U3dVOvfSGPbiMYJNaI76VDxr5Sqryk183myh+qRrkXhyfg84uQThMNsBLBy9etgHKRgo HmSbQ3XaeF+dHrDALNJ/TzSZNWfI4eUmU16JN36lt8xx0lBilfrEsb+lCmKr4/LkEuWC PPcPhlxwSqp1QOQt/PICDY7szuEH1DIDvnsX1o8YwSOO1wgy0N9q/ez5XdmLk2X4Bscw pdPw== X-Gm-Message-State: AOAM531mcqPjlTRjr8BJeAv3jzrMSsakmhkPFMXglIl/DOcMU+GaJ4UZ GH/IPJZzKYYtregLAiHKtqwJ5edE8abLGddXurpsEA== X-Google-Smtp-Source: ABdhPJy8ApNF4IPTduk2+78CqK5tky3/OMekmPDmrK4G5jbFpQYAbnbgNo4DKo77MqIGPuqV4xSPcmg9eMUncccTnR4= X-Received: by 2002:a81:e345:: with SMTP id w5mr4857707ywl.32.1644633530810; Fri, 11 Feb 2022 18:38:50 -0800 (PST) MIME-Version: 1.0 References: <20220210214231.2420942-1-eric.dumazet@gmail.com> <20220211155739.66f5483b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20220211155739.66f5483b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> From: Eric Dumazet Date: Fri, 11 Feb 2022 18:38:39 -0800 Message-ID: Subject: Re: [PATCH net-next 0/4] ipv6: remove addrconf reliance on loopback To: Jakub Kicinski Cc: Eric Dumazet , "David S . Miller" , netdev , Mahesh Bandewar Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Feb 11, 2022 at 3:57 PM Jakub Kicinski wrote: > > On Thu, 10 Feb 2022 13:42:27 -0800 Eric Dumazet wrote: > > Second patch in this series removes IPv6 requirement about the netns > > loopback device being the last device being dismantled. > > Great! > > > This was needed because rt6_uncached_list_flush_dev() > > and ip6_dst_ifdown() had to switch dst dev to a known > > device (loopback). > > > > Instead of loopback, we can use the (hidden) blackhole_netdev > > which is also always there. > > > > This will allow future simplfications of netdev_run_to() > > Should I take a stab at it, or is it on your todo list, anyway? I have not started this yet, I will be happy to review your patches, thanks !