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=-2.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 7321EC43381 for ; Tue, 26 Mar 2019 15:11:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3FDFF20823 for ; Tue, 26 Mar 2019 15:11:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WQ7lWb0o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731888AbfCZPL2 (ORCPT ); Tue, 26 Mar 2019 11:11:28 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:36370 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726261AbfCZPL2 (ORCPT ); Tue, 26 Mar 2019 11:11:28 -0400 Received: by mail-pg1-f196.google.com with SMTP id r124so8399190pgr.3 for ; Tue, 26 Mar 2019 08:11:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=RRhlq+WlDzSgYY/0Tg0FBIOj+OjKv9pmBJTOa90i/g0=; b=WQ7lWb0oe85/YyAexuYoHpSQ1skAUHiAMiu3tTgLgdade1Aqo5cHI3cTRRfIN8SqgT 8OTh7eS1JA268JpLeF6cHk6ZYvVe0+SDGE5TOaBZTxcAF0Zog5VbndkMFx5qtxaeEDGk SWFE8hVSRIlZ7qNH1oKm+WrJwfOgNb8MKljvH8+MgtVanaKmLL+ZS5+ND0BC2luRV+G8 v5yoPSQC5hsRWdDLuXgxITRdfmPerwkDO3lirMd4TX+D8PonJFeGhx3VA9ZolvxFAO7y xaxJYykT3IhkHGjjnL1+ZarbccL6KBjsZOvPk1hDbf4AOctqPPRYRRqE4bajI281m/E0 yUdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=RRhlq+WlDzSgYY/0Tg0FBIOj+OjKv9pmBJTOa90i/g0=; b=qigLEcZtCEFpTyXUtpn/J7BSxkdtjeTo6tdgCnt1CJuV77Vx6/CsfVpzxM5NytlnX6 9pgzziqhZwoQnuWDKqqTpGBPT7YiF90JWhaTBUeTqDpfng5NCKuqlrDaioBc8xehepmQ z+eD30vbeF/4tsyBB7iS0wODrs2SO60/IkLcEq2N0z1w3/0LviO5PzREoawCCZlVrkvT zA5nw/J0WmNBHwF0E+dBUrbTntQ9rFvLuoWheNn3U1rPDea5uj74hnd874ywtCS1us02 fZG285NQSEKnTXDa09OlUVOGFP8hUGvaGVrnCOUsp7B/OWV5OCkaxlDlUzc81X92p22Y /u+g== X-Gm-Message-State: APjAAAUmqLFIdHk6mogdc8N0quRDVdsLAbXuLvwRYfP1ZFOs0GV9X7/B A7lfCwQkeLEZsP4ldoF1Rm0= X-Google-Smtp-Source: APXvYqzEvzxc5FRSTo8IvC/HBCFrDhA8DuoMNWKe+dqM1mVE4QS4gmxCDusSUJCES3/ndtnbHNOj/g== X-Received: by 2002:a65:5c49:: with SMTP id v9mr29599970pgr.150.1553613087271; Tue, 26 Mar 2019 08:11:27 -0700 (PDT) Received: from ast-mbp ([2620:10d:c090:180::f2b9]) by smtp.gmail.com with ESMTPSA id i2sm12200357pfo.9.2019.03.26.08.11.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Mar 2019 08:11:26 -0700 (PDT) Date: Tue, 26 Mar 2019 08:11:25 -0700 From: Alexei Starovoitov To: David Ahern Cc: David Miller , netdev@vger.kernel.org, edumazet@google.com, kafai@fb.com Subject: Re: [PATCH net-next] ipv6: Move ipv6 stubs to a separate header file Message-ID: <20190326151123.uz5g72gfxj2nr7fk@ast-mbp> References: <20190322130609.11655-1-dsahern@kernel.org> <20190323.214023.610983922857554034.davem@davemloft.net> <20190324035550.b4qjyl5ccfvc3tzi@ast-mbp> <20190325032641.5xyav65phoeadgye@ast-mbp> <61520dad-939f-46ff-626b-dea91b845aa3@gmail.com> <20190326030536.kjzp2redp33y7hk6@ast-mbp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180223 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Mar 26, 2019 at 08:19:06AM -0600, David Ahern wrote: > work needed. To be able to reach certain clear steps and still maintain > the 20'ish patches in a set requirement, I have sent a few patches which > are standalone and basically noise - like this one - to avoid > distractions on the real change. This patch is far from noise. In the thread you said that you'll be adding 4 more indirect calls and that rings performance alarms. retpoline is expensive. If you want to add more indirect calls to fib lookup it's no go. Benchmarks with retpoline=off won't show the difference.