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 C26D03ACF00; Mon, 3 Aug 2026 20:03:19 +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=1785787400; cv=none; b=Cb4sBcaCyF2jmQ8/5GJ11lptbsHzml2cCrTWk2RFKkrnihNIzMdv22KSegvR2ZFYULXZZsxZrawGa03qxSwgggGutgtrAVfYKfHsCgwDhUlYW6KMdwMv1XVwm/WRVAHVG/b9VM86LSdP6IrWkqN0VDL3e1MPuKHHRdWm7gQ0vvQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785787400; c=relaxed/simple; bh=5ZpKVzbt84wiNbd7BamVSHsGgr3xUbM5pJuDq05RNMY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mmVPzSY9b0jjbyBB94Xc8zPMX+1uMZnhu2DkTTy2aI1au5j16KQOwvKcQQLWehryGjKz20iSuT/RWx15bYsEH4YdKr9iSQDSu2lhTGQKAOQw23yOKOrjYot1zXB3ivOSGMQGQ95/3zFLFHczFZet2D+i8wxoiARhf8yQAqW1+Ps= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O8Su1wQr; 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="O8Su1wQr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63B331F00A3A; Mon, 3 Aug 2026 20:03:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785787399; bh=XfSG12r314i1W2zkJIn8K/JR6u+8r85tUQgIN06z1qM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=O8Su1wQrD87ZejT92Jhthf/C6WFeCwCtDVHnB27QTzHf56zz+PXlH50yWrd9UUrC6 6CfyigBFwYv+Z+Fq9GCpBu3d6wuKVYBe6siiFhjO646oj4iRstgG1EzwcYtobzCsLB 9PNzyaWU/ek/snAhkem+dW7XI8nJ76+tRkwZnNvmE6siJB+K87qBlQWtsa8B7f4vm5 u7do0+xZ9NQ4ilwJDcaaaeQ3jFFMTqxEBPjabWUFPydGJsvXkvRZw+3P26qLZBFTFL Kg140Zu5tcvzQ4RqKiIFxIYP7C9a6fh6lKGd9a+22o+IBrHRexWMij3bJnjnOTBYUe /YbyHlkOQ0W8A== From: Danilo Krummrich To: dakr@kernel.org, aliceryhl@google.com, daniel.almeida@collabora.com, 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 2/2] rust: io: gate ioremap doctests on CONFIG_HAS_IOMEM Date: Mon, 3 Aug 2026 22:02:37 +0200 Message-ID: <20260803200249.3494259-2-dakr@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260803200249.3494259-1-dakr@kernel.org> References: <20260803200249.3494259-1-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 fcc7678fd9e3..9e0c8a891656 100644 --- a/rust/kernel/io.rs +++ b/rust/kernel/io.rs @@ -80,6 +80,7 @@ pub fn maxsize(&self) -> usize { /// # Examples /// /// ```no_run +/// # #![cfg(CONFIG_HAS_IOMEM)] /// use kernel::{ /// bindings, /// ffi::c_void, -- 2.55.0