Re: [PATCH v2 2/2] rust: io: gate ioremap doctests on CONFIG_HAS_IOMEM
"Arnd Bergmann" <[email protected]> Wed, 05 Aug 2026 23:40:17 +0200
| Newsgroups | org.kernel.vger.rust-for-linux,dev.linux.lists.driver-core,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Aug 5, 2026, at 23:28, Danilo Krummrich wrote:
> The doc examples in io.rs and devres.rs directly call
> bindings::ioremap() and bindings::iounmap(), which do not exist when
> CONFIG_HAS_IOMEM is not set. This causes build failures with
> CONFIG_RUST_KERNEL_DOCTESTS=y on such configurations (e.g. s390
> allnoconfig).
>
> Gate the affected doctests with `#![cfg(CONFIG_HAS_IOMEM)]` so they are
> skipped when IOMEM is unavailable.
>
> Fixes: 3f70ebe63858 ("s390: Enable Rust support")
> Signed-off-by: Danilo Krummrich <[email protected]>
Reviewed-by: Arnd Bergmann <[email protected]>