From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 19ADB256C84; Mon, 9 Mar 2026 10:24:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773051865; cv=none; b=FjZALrB+tn2A8lnDjKor/8ZNb52frpoiCXDadez1G3/1c+nmSKOMUqymnv3IB+pSkop4FJXNXce/kzLFgQjnmPJXAiP10mWgXglkd4MtcS9lW2zuLNm2jkQ4b512MezJmKGahg67dNm8ix7+BmWyzMgv+paajjiDtnqm6Y05nNE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773051865; c=relaxed/simple; bh=BvtwtwcwSfVKcyfpQtaLtqIA+tgqr1RTHQjVXI2Vme4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=nf44ujCLCXoRRlbycuyQjTGGyjXxU+ku6q8dhmwfcZoGBlEHVPYr0GYKRlJYwxa4rj8MZg3zoZEUKiUDD2PwQOwC6xMtHi1Mi9b8f3hiV2yk8U2GAYnRuOdOsZQB2s6WoEyO5XmlQn5cvaLy6rlBxaE8xtxtt+ezFwfFdF2zDz4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VyxrtNLr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VyxrtNLr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2071CC4CEF7; Mon, 9 Mar 2026 10:24:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773051864; bh=BvtwtwcwSfVKcyfpQtaLtqIA+tgqr1RTHQjVXI2Vme4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=VyxrtNLruvKU9Vq3Qy2KtTqc+zYLfcjs4YIvhrvgiJb5gtOY46oVjmEXXf7YinaVE 5khuGRS3qY3UVL3hy3wmqnxBqvI1CB9WN5omD4S1iOusTrEMAErj8IVjZpI2iwTydl kp1MAotDxje3JrxOzGaxEaQpq2ccXBvx6bQYBMFVG4QmeEjqOMPkj/eShoCuRfouBI VHIUcd0fANbygZgY+He3mnYpd8yx4sU8KIp4XiAdUHQzAwOv9Gh9kd8B65S5RAaXQY fNJ2en5dg5ao95Rm8vU1c8tDOfIl9ck6y/pl+8clVoNNZR7PoKKxzwBPVU5Skak+rq q5HmKfWfPwj6w== Message-ID: <01a4936f-77cd-4c60-a1be-cabec872a2bb@kernel.org> Date: Mon, 9 Mar 2026 11:24:06 +0100 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/10 net-next] ipv6: convert CONFIG_IPV6 to built-in only and clean up Kconfigs To: Fernando Fernandez Mancera , netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven , Jason Gunthorpe , Leon Romanovsky , Selvin Xavier , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Ido Schimmel , Petr Machata , Simon Horman , Saurav Kashyap , Javed Hasan , "maintainer:BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER" , "James E.J. Bottomley" , "Martin K. Petersen" , Nilesh Javali , Manish Rangankar , Varun Prakash , Alexander Aring , David Teigland , Andreas Gruenbacher , Nikolay Aleksandrov , David Ahern , Pablo Neira Ayuso , Florian Westphal , Phil Sutter , David Howells , Marc Dionne , Marcelo Ricardo Leitner , Xin Long , Jon Maloy , Krzysztof Kozlowski , Bjorn Andersson , Arnd Bergmann , Dmitry Baryshkov , Eric Biggers , Michal Simek , Luca Weiss , Sven Peter , Lad Prabhakar , Kuninori Morimoto , Andrew Morton , David Gow , Herbert Xu , Ryota Sakamoto , Kuniyuki Iwashima , Kir Chou , Kuan-Wei Chiu , Vikas Gupta , Bhargava Marreddy , Rajashekar Hudumula , =?UTF-8?Q?Markus_Bl=C3=B6chl?= , "open list:M68K ARCHITECTURE" , "open list:INFINIBAND SUBSYSTEM" , "open list:NETRONOME ETHERNET DRIVERS" , "open list:BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER" , "open list:DISTRIBUTED LOCK MANAGER (DLM)" , "open list:ETHERNET BRIDGE" , "open list:NETFILTER" , "open list:NETFILTER" , "open list:RXRPC SOCKETS (AF_RXRPC)" , "open list:SCTP PROTOCOL" , "open list:TIPC NETWORK LAYER" References: <20260309022013.5199-1-fmancera@suse.de> <20260309022013.5199-2-fmancera@suse.de> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: <20260309022013.5199-2-fmancera@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 09/03/2026 03:19, Fernando Fernandez Mancera wrote: > Configuring IPV6 as a module provides little or no benefit and requires > time and resources to maintain. Therefore, drop the support for it. > > Change CONFIG_IPV6 from tristate to bool. Remove all Kconfig > dependencies across the tree that explicitly checked for IPV6=m. Adjust > all the default configurations from CONFIG_IPV6=m to CONFIG_IPV6=y. In > addition, remove MODULE_DESCRIPTION(), MODULE_ALIAS(), MODULE_AUTHOR() > and MODULE_LICENSE(). > > This is also replacing module_init() by fs_initcall(). > > Signed-off-by: Fernando Fernandez Mancera > --- > arch/arm64/configs/defconfig | 2 +- > arch/m68k/configs/amiga_defconfig | 2 +- > arch/m68k/configs/apollo_defconfig | 2 +- > arch/m68k/configs/atari_defconfig | 2 +- > arch/m68k/configs/bvme6000_defconfig | 2 +- > arch/m68k/configs/hp300_defconfig | 2 +- > arch/m68k/configs/mac_defconfig | 2 +- > arch/m68k/configs/multi_defconfig | 2 +- > arch/m68k/configs/mvme147_defconfig | 2 +- > arch/m68k/configs/mvme16x_defconfig | 2 +- > arch/m68k/configs/q40_defconfig | 2 +- > arch/m68k/configs/sun3_defconfig | 2 +- > arch/m68k/configs/sun3x_defconfig | 2 +- > drivers/infiniband/Kconfig | 1 - > drivers/infiniband/hw/ocrdma/Kconfig | 2 +- > drivers/infiniband/ulp/ipoib/Kconfig | 2 +- > drivers/net/Kconfig | 9 --------- > drivers/net/ethernet/broadcom/Kconfig | 2 +- > drivers/net/ethernet/chelsio/Kconfig | 2 +- > drivers/net/ethernet/mellanox/mlxsw/Kconfig | 1 - > drivers/net/ethernet/netronome/Kconfig | 1 - > drivers/scsi/bnx2fc/Kconfig | 1 - > drivers/scsi/bnx2i/Kconfig | 1 - > drivers/scsi/cxgbi/cxgb3i/Kconfig | 2 +- > drivers/scsi/cxgbi/cxgb4i/Kconfig | 2 +- > fs/dlm/Kconfig | 2 +- > fs/gfs2/Kconfig | 2 +- > net/bridge/Kconfig | 1 - > net/ipv4/Kconfig | 9 ++++----- > net/ipv6/Kconfig | 6 +----- > net/ipv6/af_inet6.c | 8 +------- > net/l2tp/Kconfig | 1 - > net/netfilter/Kconfig | 8 -------- > net/rxrpc/Kconfig | 2 +- > net/sctp/Kconfig | 1 - > net/tipc/Kconfig | 1 - > 36 files changed, 28 insertions(+), 65 deletions(-) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index b67d5b1fc45b..0651a771f5c1 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -140,7 +140,7 @@ CONFIG_IP_MULTICAST=y > CONFIG_IP_PNP=y > CONFIG_IP_PNP_DHCP=y > CONFIG_IP_PNP_BOOTP=y > -CONFIG_IPV6=m > +CONFIG_IPV6=y > CONFIG_NETFILTER=y > CONFIG_BRIDGE_NETFILTER=m > CONFIG_NF_CONNTRACK=m No, I don't want IPV6. It is allowed as module if some users need, but it's heavy bloat added to each person's build testing setup. Kernel image is already huge and barely fits boot partitions when built with KASAN and I do want a generic image with KASAN. It must stay module for me. Alternatively, drop it, but then some users will be really affected. Best regards, Krzysztof