From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Fernando Fernandez Mancera <fmancera@suse.de>,
Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>,
Tariq Toukan <tariqt@nvidia.com>, Mark Bloch <mbloch@nvidia.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>,
Nikolay Aleksandrov <razor@blackwall.org>,
Ido Schimmel <idosch@nvidia.com>,
Martin KaFai Lau <martin.lau@linux.dev>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
KP Singh <kpsingh@kernel.org>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Kuniyuki Iwashima <kuniyu@google.com>,
Willem de Bruijn <willemb@google.com>,
David Ahern <dsahern@kernel.org>,
Neal Cardwell <ncardwell@google.com>,
Johannes Berg <johannes@sipsolutions.net>,
Pablo Neira Ayuso <pablo@netfilter.org>,
Florian Westphal <fw@strlen.de>, Phil Sutter <phil@nwl.cc>,
Guillaume Nault <gnault@redhat.com>, Kees Cook <kees@kernel.org>,
Alexei Lazar <alazar@nvidia.com>, Gal Pressman <gal@nvidia.com>,
Paul Moore <paul@paul-moore.com>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, oss-drivers@corigine.com,
bridge@lists.linux.dev, bpf@vger.kernel.org,
linux-wireless@vger.kernel.org, netfilter-devel@vger.kernel.org,
coreteam@netfilter.org, torvalds@linux-foundation.org,
jon.maddog.hall@gmail.com
Subject: Re: [PATCH 0/6] Deprecate Legacy IP
Date: Thu, 2 Apr 2026 22:27:32 +0200 [thread overview]
Message-ID: <20260402222558.6fe9bc0d@foz.lan> (raw)
In-Reply-To: <2cb91533e22ed6cb11205dbc56b8aeedbbce0cca.camel@infradead.org>
On Wed, 01 Apr 2026 09:25:08 +0100
David Woodhouse <dwmw2@infradead.org> wrote:
> On Wed, 2026-04-01 at 10:07 +0200, Fernando Fernandez Mancera wrote:
> >
> >
> > Dammit, you've beaten me to it! This was my next step for 7.2.
> >
> > Fully-endorsed-by: Fernando Fernandez Mancera <fmancera@suse.de>
>
> Yeah. The date notwithstanding,
You tricked me on this April fools day...
Very funny!
> I do actually think we should do most
> of this for real.
>
> Maybe we don't get away with the actual deprecation and the warnings on
> use *just* yet, and *maybe* we won't even get away with calling the
> config option CONFIG_LEGACY_IP, although I would genuinely like to see
> us moving consistently towards saying "Legacy IP" instead of "IPv4"
> everywhere.
IPv4 is not legacy yet... Lots of configurations, service providers
and corporations that requires the usage of VPN are IPv4 only still
today. For instance, my paid VPN provider only grants IPv4 addresses
(at least for those not using their proprietary software).
>
> But we *should* clean up the separation of CONFIG_INET and
> CONFIG_IPV[64] and make it possible to build with either protocol
> alone.
That makes sense on my eyes.
Thanks,
Mauro
next prev parent reply other threads:[~2026-04-02 20:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-01 7:44 [PATCH 0/6] Deprecate Legacy IP David Woodhouse
2026-04-01 7:44 ` [PATCH 1/6] net: Simplify tautological CONFIG_INET/CONFIG_IPV6 guards David Woodhouse
2026-04-01 7:44 ` [PATCH 2/6] net: Add CONFIG_LEGACY_IP option David Woodhouse
2026-04-01 9:01 ` bot+bpf-ci
2026-04-01 7:44 ` [PATCH 3/6] net: Guard Legacy IP entry points with CONFIG_LEGACY_IP David Woodhouse
2026-04-01 9:14 ` Eric Dumazet
2026-04-01 9:34 ` David Woodhouse
2026-04-01 9:38 ` bot+bpf-ci
2026-04-01 7:44 ` [PATCH 4/6] net: Make IPv4-only Kconfig options depend on LEGACY_IP David Woodhouse
2026-04-01 8:36 ` bot+bpf-ci
2026-04-01 7:44 ` [PATCH 5/6] net: Change CONFIG_INET to CONFIG_LEGACY_IP for IPv4-only code David Woodhouse
2026-04-01 9:01 ` bot+bpf-ci
2026-04-01 7:44 ` [PATCH 6/6] net: Warn when processes listen on AF_INET sockets David Woodhouse
2026-04-01 9:11 ` Eric Dumazet
2026-04-01 9:28 ` David Woodhouse
2026-04-01 15:06 ` Stephen Hemminger
2026-04-01 16:25 ` Linus Torvalds
2026-04-02 0:20 ` Jakub Kicinski
2026-04-01 9:26 ` bot+bpf-ci
2026-04-01 16:20 ` Stanislav Fomichev
2026-04-01 8:07 ` [PATCH 0/6] Deprecate Legacy IP Fernando Fernandez Mancera
2026-04-01 8:25 ` David Woodhouse
2026-04-02 20:27 ` Mauro Carvalho Chehab [this message]
2026-04-01 16:35 ` Bjoern A. Zeeb
2026-04-02 0:24 ` patchwork-bot+netdevbpf
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