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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, =?UTF-8?Q?Ricardo_B_=2E_Marli=C3=A8re?= , Krzysztof Kozlowski References: <20260503192515.290900-2-hi@alyssa.is> Content-Language: en-US From: Fernando Fernandez Mancera In-Reply-To: <20260503192515.290900-2-hi@alyssa.is> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Level: X-Rspamd-Action: no action X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; RCPT_COUNT_SEVEN(0.00)[11]; RCVD_TLS_ALL(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.de:dkim,suse.de:email,suse.de:mid,alyssa.is:email]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.de:+] X-Rspamd-Queue-Id: D4E6B5C5CA X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spam-Flag: NO X-Spam-Score: -4.51 On 5/3/26 9:25 PM, Alyssa Ross wrote: > 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 As discussed: Reviewed-by: Fernando Fernandez Mancera Thanks!