linux-kernel - Re: [PATCH net] mptcp: depends on IPV6 but not as a module

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Message-ID: <20201021080836.5ad77e45@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 21 Oct 2020 08:08:36 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Matthieu Baerts <matthieu.baerts@...sares.net>
Cc:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        "David S. Miller" <davem@...emloft.net>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        netdev@...r.kernel.org, mptcp@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] mptcp: depends on IPV6 but not as a module

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!