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Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fernando Fernandez Mancera , =?UTF-8?q?Ricardo=20B=20=2E=20Marli=C3=A8re?= , Krzysztof Kozlowski Subject: [PATCH] ipv6: default IPV6_SIT to m Date: Sun, 3 May 2026 18:57:14 +0200 Message-ID: <20260503165714.1477819-1-hi@alyssa.is> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This basically defaulted to m until recently, since IPV6 defaulted to m. Since IPV6 was changed to a boolean with a default of y, IPV6_SIT started defaulting to built-in as well. This results in a surprise sit0 device by default for defconfig (and defconfig-derived config) users at boot. For me, this broke an (admittedly non-robust) script. Preserve the behaviour of most configs by avoiding building this module, that's probably overall seldom used compared to IPv6 as a whole, into the kernel. Fixes: 309b905deee59 ("ipv6: convert CONFIG_IPV6 to built-in only and clean up Kconfigs") Signed-off-by: Alyssa Ross --- net/ipv6/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index c024aa77f25ba..3cfccb6ce5c29 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -164,7 +164,7 @@ config IPV6_SIT select INET_TUNNEL select NET_IP_TUNNEL select IPV6_NDISC_NODETYPE - default y + default m help Tunneling means encapsulating data of one protocol type within another protocol and sending it over a channel that understands the base-commit: 254f49634ee16a731174d2ae34bc50bd5f45e731 -- 2.53.0