From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 534013F3270; Wed, 5 Aug 2026 21:29:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785965371; cv=none; b=uliYOBP90kn8sn/nx/B6cl1nclGIprnV9sx9MaaZRBz0cyU7CFx504dFViq61N/9SkFbD4QSuGANVBheuGirVXAkpnLOAvW46qcv5jqBaZt5+aCZc9akO+XZB8Wm4uzgU+1QvIGKSx5Xos4SemBpNwcIWApWpmEIiX61RGHKMqQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785965371; c=relaxed/simple; bh=H+ex1rhmqf7SaSgwLKCnF86aWW0XVeqP85nQ+tYuI08=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I1NwS84qCXUDXthzUByD/Z5mVX8WWk3RxZpzYy4CgQ4g2KshG882dKWcDO35RzYxX2tjkbjEZX1BsyHDYJBjPirLUmbXcKmAqZTS99KUMpJeiBBD65LxO1M298o3ol40Hce8Pds8UE4eB1TWU9O704G8EV5g5j9K2sbFyuhxKQw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=G7Jq546C; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="G7Jq546C" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 790B71F00A3D; Wed, 5 Aug 2026 21:29:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785965370; bh=SmN3UZnYPGJlOxdz/vYWo8HMtfQFtN5rBr8sg92+zgg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=G7Jq546CLyvAnGRqn99DfAy8D4LJ6VZIRrDWh7RqseU2E2POCY48SO/3gs45tnlWm p3FG+2SXEea2ddxhIksqrUZW0KTxIn+cBlLwrLkPnPQAMGZi9lLwGJNss+OKDiAXcA z9DCW7BbRNI2lzlQ2yoopSeB9bGJ08YRbRWcEZAea31nJI75FRmXjKVKhTSNnhoB3+ 750BZuzPJHqTqVB51n7Au4vh2wS4/hctedcBrZtNTjS9HXWeeULKBsNCS3zg6UX+l0 Cwp3T3aUwrbiq25kIgnuvSdgb1nUW+wciPh0nomVXztitOsUkxTKWrA6DZQfwLCfsG 25eu9JnztIflA== From: Danilo Krummrich To: dakr@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, aliceryhl@google.com, daniel.almeida@collabora.com, arnd@arndb.de, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, tamird@kernel.org, acourbot@nvidia.com, work@onurozkan.dev Cc: driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] rust: io: gate ioremap doctests on CONFIG_HAS_IOMEM Date: Wed, 5 Aug 2026 23:28:36 +0200 Message-ID: <20260805212920.1996937-2-dakr@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260805212920.1996937-1-dakr@kernel.org> References: <20260805212920.1996937-1-dakr@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- rust/kernel/devres.rs | 1 + rust/kernel/io.rs | 1 + 2 files changed, 2 insertions(+) diff --git a/rust/kernel/devres.rs b/rust/kernel/devres.rs index 11ce500e9b76..8ff8aedf251a 100644 --- a/rust/kernel/devres.rs +++ b/rust/kernel/devres.rs @@ -59,6 +59,7 @@ struct Inner { /// # Examples /// /// ```no_run +/// # #![cfg(CONFIG_HAS_IOMEM)] /// use kernel::{ /// bindings, /// device::{ diff --git a/rust/kernel/io.rs b/rust/kernel/io.rs index d30bb5c6d4fc..d4063ee41200 100644 --- a/rust/kernel/io.rs +++ b/rust/kernel/io.rs @@ -81,6 +81,7 @@ pub fn maxsize(&self) -> usize { /// # Examples /// /// ```no_run +/// # #![cfg(CONFIG_HAS_IOMEM)] /// use kernel::{ /// bindings, /// ffi::c_void, -- 2.55.0