Re: [PATCH 00/11 net-next v4] Convert CONFIG_IPV6 to built-in and remove stubs

[Fernando Fernandez Mancera]

On 3/22/26 1:03 AM, Jakub Kicinski wrote:
> On Fri, 20 Mar 2026 19:55:52 +0100 Fernando Fernandez Mancera wrote:
> > Historically, the Linux kernel has supported compiling the IPv6 stack as
> > a loadable module. While this made sense in the early days of IPv6
> > adoption, modern deployments and distributions overwhelmingly either
> > build IPv6 directly into the kernel (CONFIG_IPV6=y) or disable it
> > entirely (CONFIG_IPV6=n). The modular IPv6 use-case offers image size
> > and memory savings for specific setups, this benefit is outweighed by
> > the architectural burden it imposes on the subsystems on implementation
> > and maintenance.
>
> I think it breaks BPF LWT tests?
>
> FWIW you can open a pull request against this repo, and it will run all
> the BPF tests for you: https://github.com/kernel-patches/bpf
> Just delete the code that makes it not build because of the conflict.

All seems to be fine, am I missing something here?

https://github.com/kernel-patches/bpf/pull/11507