From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E5A28370AEB; Thu, 10 Sep 2026 18:55:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789066546; cv=none; b=qI04ZCD/mffz8cpWqepYGMFV8Mp+SckjY1mMcAa6rsDe9kbC0stcfx2zD+J7+I3u1JbuCYOfprkKBtOdQXCzDaRdWO8wC3s07a4U34v1gZM4aPdg96uWmghvXCkFNLpDqk3ix6QSKvlbeFommd9l3PlW59y1YVogEyWBeklnOxg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789066546; c=relaxed/simple; bh=jA1OIjMBwv91UuOt5Tn56hy+6IGDF/xyXBVDc+O0W7c=; h=MIME-Version:Date:From:To:Cc:Message-Id:In-Reply-To:References: Subject:Content-Type; b=A+ac7OsFdCSk2ZgjggUEYNyk4qABfHooj+hlO9MbViUc0WCRtXI5eLFkxpk7W9dQ5JYKjN2SCapwFEuOSIMOYCeUAUznU6rWrRcXDK+Uv8sJjOm3BmsrZD6qMF1fS9r9KQgw8cQJYtc7xANVQGzoX0yYNcmROoSIKr0IrqWz3ac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F6i3O5AT; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="F6i3O5AT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC6741F008A6; Thu, 10 Sep 2026 18:55:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789066544; bh=CrpBp6UrC3ldEa5GcKmmPo3oz74G2RAnpQBvJ2o9k1k=; h=Date:From:To:Cc:In-Reply-To:References:Subject; b=F6i3O5AT5R2f9Yx+JsX4oi2MbBVZy6vhmuah8fyZ7HoRM4fcwu9ko/hMOipVkG55B 1Zmg31PLcmFyjN/6qwvx+Gi14CUmpNgqwIW3GIcgTV8r/HdYjj80cmHBvTlnPKg5uR OFZIpZsE3LqRG10E9rSuJaexxU9wT5CasLzhcaoOUlc1HtwpM6VduzyZ+RCbNEeTCG 7mnywN+8+H6LvsHwXafWrsaQmZDzIueYYyazPefKJGcMkw5e44QHRXV4epY9oIt8b/ VxUYOa++vQ7n7D+qHzq2qnf380yDhptkzXHvt9CgqRKD1Qe5yMUYoD9jvQW061SukA KzIemnQ3+sQfA== Received: from phl-compute-10.internal (phl-compute-10.internal [10.202.2.50]) by mailfauth.phl.internal (Postfix) with ESMTP id C451EF40069; Thu, 10 Sep 2026 14:55:42 -0400 (EDT) Received: from phl-imap-15 ([10.202.2.104]) by phl-compute-10.internal (MEProxy); Thu, 10 Sep 2026 14:55:42 -0400 X-ME-Sender: X-ME-Proxy-Cause: dmFkZTF4DbH3FZ3dPjetu62giaNH+KK3h7Vnr+fEg85PysIt/4nck/4imrawKEp8DsE6Pr r0whIQLHunubPaHCLLANlXfZ8RvcApjV2EH4HvJnIa7IIlTjW/aieFsEYioNdVnIC1pGZ7 r7+Be7rv47aINSOQmPbhGzYvhtHf8def9lEg4PtjWAs9LAnZxAA8HHEDG0Nu5Q4D+ErnGo wbL3v3GuUBm9m4647OHl9jiHICZ+8M7+WaOVrci5hxhVfG9CY47ExztZrbckd1/ZxcD0FZ vwDE7nYg/E3N/QLZgdrUVACuceWMJkJ6Wb+Z2hJc7h8HgoI8f/4b+gnUnlKGDgCx/5CDPJ po6DIC9Q8yofj6Gyo3f7FKL5mt0EHv82L6g17/YO3gWxVRbIFJetz+YWg8fgbv7WuFfefm hnLsmWUjBQVBzx6B9SMuUsPATs4OJtGO1f+mnt0J/1peJ5Nq63D3J9EC8B1PaX5BKnWN5n NTUc5qHazXKrxzCndz85zJiyINbeiTNLTCeRjTR7RMcNSUFcXqheUFmGnh70f88dysYIhz x/wWpwuzN1bBTEbUGCyOiSyCxaCxeioaasg+88aeLfS3v1QhYfc5bHYGwrmHrU/cjZ20YX SgmgetWptaxFGpGrTy/DDcJdYBDIVEtFh7oH120w4eOuhoZaxlVn3LGzD7xQ X-ME-Proxy: Feedback-ID: ifa6e4810:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 8F75E7811F0; Thu, 10 Sep 2026 14:55:42 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: AHIlAaKAQArc Date: Thu, 10 Sep 2026 14:55:20 -0400 From: "Chuck Lever" To: "Fernando Fernandez Mancera" , netdev@vger.kernel.org Cc: "Simon Horman" , "Jakub Kicinski" , "Paolo Abeni" , edumazet@google.com, davem@davemloft.net, "Jason Gunthorpe" , "Leon Romanovsky" , "Andrew Lunn" , "Tony Nguyen" , "Przemek Kitszel" , "Elad Nachman" , "Saeed Mahameed" , "Tariq Toukan" , "Mark Bloch" , "Ido Schimmel" , "Petr Machata" , "Edward Cree" , "Maxime Chevallier" , "Maxime Coquelin" , "Alexandre Torgue" , "Arend van Spriel" , "Miri Korenblit" , "Keith Busch" , "Jens Axboe" , "Christoph Hellwig" , "Sagi Grimberg" , "Chaitanya Kulkarni" , "Saurav Kashyap" , "Javed Hasan" , GR-QLogic-Storage-Upstream@marvell.com, "James Bottomley" , "Martin K. Petersen" , "Nilesh Javali" , "Manish Rangankar" , "Varun Prakash" , "Alexander Viro" , "Christian Brauner" , "Jan Kara" , "David Howells" , "Marc Dionne" , "Trond Myklebust" , "Anna Schumaker" , "Jeff Layton" , NeilBrown , "Olga Kornievskaia" , "Dai Ngo" , "Tom Talpey" , "Marek Lindner" , "Simon Wunderlich" , "Antonio Quartulli" , "Sven Eckelmann" , "Nikolay Aleksandrov" , "Pablo Neira Ayuso" , "Florian Westphal" , "Phil Sutter" , "Johannes Berg" , "Matthieu Baerts" , "Mat Martineau" , "Geliang Tang" , "Julian Anastasov" , "Aaron Conole" , "Eelco Chaudron" , "Ilya Maximets" , "Allison Henderson" , "Jamal Hadi Salim" , "Jiri Pirko" , "Marcelo Ricardo Leitner" , "Xin Long" , "D. Wythe" , "Dust Li" , "Sidraya Jayagond" , "Mahanta Jambigi" , "Tony Lu" , "Wen Gu" , "Jon Maloy" , "Tung Quang Nguyen" , "Steffen Klassert" , "Herbert Xu" , "Casey Schaufler" , "Paul Moore" , "James Morris" , "Serge E. Hallyn" , "Vikas Gupta" , "Bhargava Marreddy" , "Rajashekar Hudumula" , "Nicolai Buchwitz" , =?UTF-8?Q?Markus_Bl=C3=B6chl?= , "Arnd Bergmann" , "Heiner Kallweit" , "Florian Fainelli" , "Krzysztof Kozlowski" , "Qingfang Deng" , "Julian Braha" , "Ethan Nelson-Moore" , "Greg Kroah-Hartman" , "Eric Biggers" , "Ard Biesheuvel" , "Neal Cardwell" , "Kuniyuki Iwashima" , "Willem de Bruijn" , "Alyssa Ross" , "Joel Granados" , "Oleg Nesterov" , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, oss-drivers@corigine.com, linux-net-drivers@amd.com, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-nvme@lists.infradead.org, "linux-scsi@vger.kernel.org" , target-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org, bridge@lists.linux.dev, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, mptcp@lists.linux.dev, lvs-devel@vger.kernel.org, dev@openvswitch.org, rds-devel@oss.oracle.com, linux-sctp@vger.kernel.org, linux-s390@vger.kernel.org, tipc-discussion@lists.sourceforge.net, linux-security-module@vger.kernel.org Message-Id: In-Reply-To: <20260910144914.8025-2-fmancera@suse.de> References: <20260910144914.8025-1-fmancera@suse.de> <20260910144914.8025-2-fmancera@suse.de> Subject: Re: [PATCH 01/13 net-next] net: ipv4: introduce CONFIG_IPV4 to decouple the IPv4 stack Content-Type: text/plain Content-Transfer-Encoding: 7bit On Thu, Sep 10, 2026, at 10:48 AM, Fernando Fernandez Mancera wrote: > Historically, the IPv4 protocol has been linked to the core INET > subsystem. Because shared infrastructure like the TCP/UDP engine, > routing or INET hashtables live inside net/ipv4/, it has been impossible > to compile a kernel with only IPv6 support. > > This patch introduces the CONFIG_IPV4 Kconfig symbol, which is set to > 'def_bool y' for now. This does not allow to completely disable the > IPv4 stack yet but it lays the necessary build-system work for that > goal. > > In addition, multiple subsystems Kconfig symbols across networking > features like tunnels, drivers and filesystems have been adjusted to > depend on IPv4. Keep on mind that follow-up work is required to convert > the Kconfig symbol to bool and remove the dependency on IPv4 where it > makes sense. > > Signed-off-by: Fernando Fernandez Mancera > diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig > index e7808e5714dc..58e6f6db3100 100644 > --- a/net/sunrpc/Kconfig > +++ b/net/sunrpc/Kconfig > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only > config SUNRPC > tristate > - depends on MULTIUSER > + depends on MULTIUSER && IPV4 > > config SUNRPC_GSS > tristate Acked-by: Chuck Lever -- Chuck Lever (Come to NFS bake-a-thon! https://nfsv4bat.org)