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Tue, 5 May 2026 20:16:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id oDOkIi5Q+mmmYwAAD6G6ig (envelope-from ); Tue, 05 May 2026 20:16:46 +0000 Message-ID: Date: Tue, 5 May 2026 22:16:32 +0200 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 v2] ipv6: default IPV6_SIT to m To: Jakub Kicinski Cc: Alyssa Ross , "David S. Miller" , David Ahern , Eric Dumazet , Paolo Abeni , Simon Horman , 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> <5f676587-fcdd-4704-9523-07a7fd98455a@suse.de> <878q9zdz6s.fsf@alyssa.is> <20260504170912.174235db@kernel.org> Content-Language: en-US From: Fernando Fernandez Mancera In-Reply-To: <20260504170912.174235db@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Level: X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_SEVEN(0.00)[11]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,imap1.dmz-prg2.suse.org:helo] X-Spam-Flag: NO X-Spam-Score: -4.30 On 5/5/26 2:09 AM, Jakub Kicinski wrote: > On Mon, 4 May 2026 17:01:43 +0200 Fernando Fernandez Mancera wrote: >>> Yes, it appears you're right. I had only tested on ARM. In that case, >>> perhaps it make sense to instead set this to m in the arm64 defconfig, to >>> preserve the previous situation, but I can also see the value in >>> reducing platform discongruity by letting it change to y on arm64 too. >> >> Changing it on arm64 defconfig would make sense to me too. We should >> probably visit other configs that might be in the same situation. That >> in my opinion would qualify a net tree fix as you proposed initially. > > Right. I think the fix as posted makes sense. Tunnel drivers should > be =m. If other arches default to =y that's likely an oversight. > Fedora and I suspect all other distros (and "prod kernels") set SIT=m. > Yes. I checked and every distro I saw is setting this. This make sense, thanks Jakub.