Re: [PATCH v6 6/6] s390: Enable Rust support

[Miguel Ojeda]

On Mon, Jun 15, 2026 at 6:40 PM Nathan Chancellor <nathan@xxxxxxxxxx> wrote:
>
> With Rust 1.96.0, I see the following warning several times when
> building Rust code in -next:
>
>   warning: unstable feature specified for `-Ctarget-feature`: `backchain`
>     |
>     = note: this feature is not stably supported; its behavior can change in the future
>
>   warning: 1 warning emitted
>
> I assume this is expected? If so, is there a way to silence this warning?

Yes, it seems so -- please see this thread:

  https://lore.kernel.org/rust-for-linux/CANiq72m4GVWFYqnxNtCHTPu7XcGewHB5LNwOoayTfnXs9pPbNg@xxxxxxxxxxxxxx/

If they are OK with it, then I guess it is fine, but it does mean CIs
can suffer a bit from it.

I hope that helps.

Cheers,
Miguel