Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp5316059pxu; Wed, 21 Oct 2020 21:31:13 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxtmb+qSo1dDgA5r+ybMML2HbD9ibTd3BNt+8yqLiz8VhYHlr/HkdkXY2fhHI/Gw/5mAebT X-Received: by 2002:a50:d2d3:: with SMTP id q19mr628399edg.22.1603341073522; Wed, 21 Oct 2020 21:31:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603341073; cv=none; d=google.com; s=arc-20160816; b=eL+SCL3FZiD5Dkyha3LbGAJJ/TZ/ND5s+h+5BI5MjwRgMTzdD9XAlA/IRx8qQgZPhm YOTQ7FNRkT56pz1oUKubj/pfH6kUYKfqJ6aYKQi37ZPnPFbtiaL2iONw2JwdJzESlLxd RHAXk+sAhbM65tksqKqI6EvseRzD7H8Xr4Rx7bqiBKFWsUSF/CXjVaTfXMVMhUARHqkm cJku4PaMlweDKx7SStco31fwAcWdiyXsrvSxrtNo8Dx40nEFCERz+1jALrDufeqlPa50 FuaSYg3gWQk1DL6GDyWhMAgw4k9lO2qlpfYXxPhu24eGio7y6ePffm/1PcT/CEkEUP63 tE7g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=O09igTDJg/K7h5592MkYl1a8/ZkMupPPWr6Zos46408=; b=fNor2GQ12pgUyv5YiquXb9jnQB4orpDEP/6Bn5QUFvrqCS2PlcCVmRG61krCQTN+oc 2VpgEwUK/gYSbnIrLPSA2ySb0ZXQOQou+6mrFSaoIFS10lcfMV+KGUdWL/FTLImjMCIr cloKnZv3EJaSluu/6m9SDcPMm3BE56eh5COScv1WdWXyuBCMguoHDB1MqyeDYqsvuzJd lWpg3LhqhMwCLWWxfMCKxkGyVkBfpUFQROKYjSRVP2uHLSZfW/xhjGYFDgF6dhiOqVKG WlEzkcVT6BELwwnDalMuRB0zWoZctheSZh+gwW50+54KZKP3ZUePQV87AXcGp3MsifT8 dojA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=CKNkJCD1; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 94si295761edp.211.2020.10.21.21.30.51; Wed, 21 Oct 2020 21:31:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=CKNkJCD1; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2444026AbgJUPIk (ORCPT + 99 others); Wed, 21 Oct 2020 11:08:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:40406 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2443878AbgJUPIk (ORCPT ); Wed, 21 Oct 2020 11:08:40 -0400 Received: from kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com (unknown [163.114.132.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 402E720BED; Wed, 21 Oct 2020 15:08:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603292919; bh=CWtby+TblFCsj7hiKNeGlWF7bXc2sJ9RQ/P5oSDZnjc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=CKNkJCD1mKR7Nm14SOvrvM+JzMuE/EfE5SnNQVOXWtrxuWYt+KeXHmER4vioslHRG boQB8/RdFtj4fL6VSAonl4UmH64kve75uGIXHCVfXsg9ljnc4PDdJsRLsDWMDtWlKK XZcp2B5Cwjz/HizvrkYkMbSAtqFnipv22flvruIw= Date: Wed, 21 Oct 2020 08:08:36 -0700 From: Jakub Kicinski To: Matthieu Baerts Cc: Mat Martineau , "David S. Miller" , Geert Uytterhoeven , netdev@vger.kernel.org, mptcp@lists.01.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] mptcp: depends on IPV6 but not as a module Message-ID: <20201021080836.5ad77e45@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20201021105154.628257-1-matthieu.baerts@tessares.net> References: <20201021105154.628257-1-matthieu.baerts@tessares.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 21 Oct 2020 12:51:53 +0200 Matthieu Baerts wrote: > Like TCP, MPTCP cannot be compiled as a module. Obviously, MPTCP IPv6' > support also depends on CONFIG_IPV6. But not all functions from IPv6 > code are exported. > > To simplify the code and reduce modifications outside MPTCP, it was > decided from the beginning to support MPTCP with IPv6 only if > CONFIG_IPV6 was built inlined. That's also why CONFIG_MPTCP_IPV6 was > created. More modifications are needed to support CONFIG_IPV6=m. Applied, thanks!