linux-kernel - Re: [PATCH RFC 2/4] samples: rust: Add sample demonstrating C linked list iteration

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Message-Id: <DDX1Y0EUNNPR.1KQ7OF9H4T81E@nvidia.com>
Date: Sat, 01 Nov 2025 12:52:54 +0900
From: "Alexandre Courbot" <acourbot@...dia.com>
To: "Danilo Krummrich" <dakr@...nel.org>, "Joel Fernandes"
 <joelagnelf@...dia.com>
Cc: <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>,
 <dri-devel@...ts.freedesktop.org>, "David Airlie" <airlied@...il.com>,
 <acourbot@...dia.com>, "Alistair Popple" <apopple@...dia.com>, "Miguel
 Ojeda" <ojeda@...nel.org>, "Alex Gaynor" <alex.gaynor@...il.com>, "Boqun
 Feng" <boqun.feng@...il.com>, "Gary Guo" <gary@...yguo.net>,
 <bjorn3_gh@...tonmail.com>, "Benno Lossin" <lossin@...nel.org>, "Andreas
 Hindborg" <a.hindborg@...nel.org>, "Alice Ryhl" <aliceryhl@...gle.com>,
 "Trevor Gross" <tmgross@...ch.edu>, "Simona Vetter" <simona@...ll.ch>,
 "Maarten Lankhorst" <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard"
 <mripard@...nel.org>, "Thomas Zimmermann" <tzimmermann@...e.de>, "John
 Hubbard" <jhubbard@...dia.com>, "Timur Tabi" <ttabi@...dia.com>,
 <joel@...lfernandes.org>, "Elle Rhumsaa" <elle@...thered-steel.dev>,
 "Daniel Almeida" <daniel.almeida@...labora.com>, "Andrea Righi"
 <arighi@...dia.com>, "Philipp Stanner" <phasta@...nel.org>,
 <nouveau@...ts.freedesktop.org>, "Nouveau"
 <nouveau-bounces@...ts.freedesktop.org>
Subject: Re: [PATCH RFC 2/4] samples: rust: Add sample demonstrating C
 linked list iteration

On Fri Oct 31, 2025 at 6:15 AM JST, Danilo Krummrich wrote:
> On Thu Oct 30, 2025 at 8:06 PM CET, Joel Fernandes wrote:
>> Demonstrates usage of the clist module for iterating over
>> C-managed linked lists. C code creates and populates the list,
>> Rust code performs safe iteration using the clist abstraction.
>
> I don't think a sample module is the correct choice for this. It makes it look a
> bit like this is an API intended for drivers. I think kunit tests might be a
> better fit.

Yup, we can probably move this into the doctest examples and have them
serve as examples as well.