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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 93818C54FCB for ; Wed, 22 Apr 2020 15:56:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C7B421569 for ; Wed, 22 Apr 2020 15:56:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eifLVLwM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726327AbgDVP4p (ORCPT ); Wed, 22 Apr 2020 11:56:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726057AbgDVP4o (ORCPT ); Wed, 22 Apr 2020 11:56:44 -0400 Received: from mail-qk1-x743.google.com (mail-qk1-x743.google.com [IPv6:2607:f8b0:4864:20::743]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFD81C03C1A9 for ; Wed, 22 Apr 2020 08:56:44 -0700 (PDT) Received: by mail-qk1-x743.google.com with SMTP id g74so2835037qke.13 for ; Wed, 22 Apr 2020 08:56:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=rGmB898oTjBjLVGHgQRSoVFMeKsTRIJj+DSH0JiqLnY=; b=eifLVLwMQWsAkTYfG4GfYTxaAjC4+Xyh36082c93/H6NXiq//WhPvg7gOP6/QHx8CX +Rhv0Qf1mvuACImg1+fAbdOLMjqMXJAzs37NajsULzIy0RNBLDjnqWv+MFBTK3x/+/PV QWZzuzHmIwYZC0W4IdsyQgo7Ai+WEdOfDuLcz2v4VyApVWNaZXnwhuilD9fuzd0i2gB+ VkYKfEWfkU1XnyZCedL3JnmG+nOahrBP1TQzkixuREpmi2ma7b+ImJUwePNbYLosXOOE xKMVQNBKpslBYoHwTE/0BaOI7wd+kQdBNK+e2wb1PTds5YWwChpNcfvrGEvePHyyvpcH tc1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=rGmB898oTjBjLVGHgQRSoVFMeKsTRIJj+DSH0JiqLnY=; b=o1bJ0qwDvg9Z1IGgwlU8B/ZVjj3+chff8B3JHw1sIzDGJeez2UKLnPKaonKN4e4NoY vkZI2AyzdcbUafPg6Z+HFrhoGHcb+vgtJufaKj9PzYCO2Lr7iLBEvUkp0cjyjU5iQE0L kTQS/+n7P7Rt0fE49cW6FPH8hIaTKFEE23p3uGo5LfcZUl94SVppQUKfaZfcaNh7QojN xCUcrLY1xPd5pmArvPiNOkGOGJtFTYYyT86XHRG3MsqqKgUqGRfBrWoOc8gAZyplbidv bF7/u06ugdNkwb+vlAGB7TsCKaQvVYl6H68AdEaknFDYViJJZD6z9sqEAWTvtzOnh4Ds oVgw== X-Gm-Message-State: AGi0PuZnoVt19ZBMU57sh03GsST9LD+ReZKsIGt1tUoFobc36/qIAq/O h0fRYZMXSu5DFEr81bHPzr4= X-Google-Smtp-Source: APiQypJv2QwhMWQIq56fv9VZZm/GxZbAJYJ3VvZIcE6uXmZoe/JY+wYNteOOqmbi6soHr7jGScUVRQ== X-Received: by 2002:a37:b183:: with SMTP id a125mr17787016qkf.199.1587571004004; Wed, 22 Apr 2020 08:56:44 -0700 (PDT) Received: from ?IPv6:2601:282:803:7700:b4ef:508c:423e:3e6a? ([2601:282:803:7700:b4ef:508c:423e:3e6a]) by smtp.googlemail.com with ESMTPSA id r51sm4232892qtk.89.2020.04.22.08.56.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2020 08:56:43 -0700 (PDT) Subject: Re: [PATCH bpf-next 04/16] net: Add BPF_XDP_EGRESS as a bpf_attach_type To: =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= , David Ahern , netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, prashantbhole.linux@gmail.com, jasowang@redhat.com, brouer@redhat.com, toshiaki.makita1@gmail.com, daniel@iogearbox.net, john.fastabend@gmail.com, ast@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, David Ahern References: <20200420200055.49033-1-dsahern@kernel.org> <20200420200055.49033-5-dsahern@kernel.org> <87ftcx9mcf.fsf@toke.dk> <856a263f-3bde-70a7-ff89-5baaf8e2240e@gmail.com> <87pnc17yz1.fsf@toke.dk> <073ed1a6-ff5e-28ef-d41d-c33d87135faa@gmail.com> <87k1277om2.fsf@toke.dk> <154e86ee-7e6a-9598-3dab-d7b46cce0967@gmail.com> <875zdr8rrx.fsf@toke.dk> <783d0842-a83f-c22f-25f2-4a86f3924472@gmail.com> <87368v8qnr.fsf@toke.dk> From: David Ahern Message-ID: <6009ff42-5981-6fe7-5b67-30ecbb7d7842@gmail.com> Date: Wed, 22 Apr 2020 09:56:40 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <87368v8qnr.fsf@toke.dk> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 4/22/20 9:51 AM, Toke Høiland-Jørgensen wrote: > Your patch is relying on the (potentially buggy) behaviour, so I don't > think it's out of scope to mention it in this context. This is getting ridiculous. I am in no way, shape, or form relying on freplace. If you think there is a problem with existing code, then you prove it. Don't ask someone else to stop what they are doing and prove you right or wrong. I guess we'll see tomorrow the outcome of your investigations.