From: "Arnd Bergmann" <arnd@arndb.de>
To: "Danilo Krummrich" <dakr@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Tamir Duberstein" <tamird@kernel.org>,
acourbot@nvidia.com, "Onur Özkan" <work@onurozkan.dev>
Cc: driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] rust: io: gate ioremap doctests on CONFIG_HAS_IOMEM
Date: Wed, 05 Aug 2026 23:40:17 +0200 [thread overview]
Message-ID: <ca9d0df3-5506-4b5c-9ce4-3f4e6e2aeb16@app.fastmail.com> (raw)
In-Reply-To: <20260805212920.1996937-2-dakr@kernel.org>
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 <dakr@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2026-08-05 21:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 21:28 [PATCH v2 1/2] rust: io: gate ioremap/iounmap on CONFIG_HAS_IOMEM Danilo Krummrich
2026-08-05 21:28 ` [PATCH v2 2/2] rust: io: gate ioremap doctests " Danilo Krummrich
2026-08-05 21:40 ` Arnd Bergmann [this message]
2026-08-05 21:39 ` [PATCH v2 1/2] rust: io: gate ioremap/iounmap " Arnd Bergmann
2026-08-06 15:47 ` Danilo Krummrich
2026-08-06 16:09 ` Arnd Bergmann
2026-08-06 15:58 ` Danilo Krummrich
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