Re: [PATCH v6 6/6] s390: Enable Rust support
From: Nathan Chancellor
Date: Mon Jun 15 2026 - 23:04:51 EST
On Mon, Jun 15, 2026 at 06:45:26PM +0200, Miguel Ojeda wrote:
> 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.
Ah, thanks for the pointer and sorry for the duplicate report. I have
gone ahead and ignored this warning in my build reports for the time
being.
--
Cheers,
Nathan