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

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Message-ID: <a56b54e8-1184-4e56-92d0-bd4cbc90122b@nvidia.com>
Date: Thu, 30 Oct 2025 18:09:30 -0400
From: Joel Fernandes <joelagnelf@...dia.com>
To: Danilo Krummrich <dakr@...nel.org>
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
Subject: Re: [PATCH RFC 2/4] samples: rust: Add sample demonstrating C linked
 list iteration



On 10/30/2025 5:15 PM, 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.

Sure, kunit tests indeed sound better. I will convert it over (this and the
other one). Thanks!

 - Joel