linux-kernel - Re: [PATCH v13 5/6] rust: samples: add a module parameter to the rust

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Message-ID: <211a3491-7082-488a-b744-fa7416db18c3@kernel.org>
Date: Mon, 30 Jun 2025 14:18:13 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Andreas Hindborg <a.hindborg@...nel.org>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>,
 Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>,
 Alice Ryhl <aliceryhl@...gle.com>, Masahiro Yamada <masahiroy@...nel.org>,
 Nathan Chancellor <nathan@...nel.org>, Luis Chamberlain <mcgrof@...nel.org>,
 Benno Lossin <lossin@...nel.org>, Nicolas Schier <nicolas.schier@...ux.dev>,
 Trevor Gross <tmgross@...ch.edu>, Adam Bratschi-Kaye <ark.email@...il.com>,
 rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-kbuild@...r.kernel.org, Petr Pavlu <petr.pavlu@...e.com>,
 Sami Tolvanen <samitolvanen@...gle.com>, Daniel Gomez
 <da.gomez@...sung.com>, Simona Vetter <simona.vetter@...ll.ch>,
 Greg KH <gregkh@...uxfoundation.org>, Fiona Behrens <me@...enk.dev>,
 Daniel Almeida <daniel.almeida@...labora.com>, linux-modules@...r.kernel.org
Subject: Re: [PATCH v13 5/6] rust: samples: add a module parameter to the
 rust_minimal sample

On 6/30/25 2:12 PM, Andreas Hindborg wrote:
> "Danilo Krummrich" <dakr@...nel.org> writes:
> 
>> (Sorry for being late on this one, just a minor nit below.)
>>
>> On 6/12/25 3:40 PM, Andreas Hindborg wrote:
>>>    struct RustMinimal {
>>> @@ -20,6 +26,10 @@ impl kernel::Module for RustMinimal {
>>>        fn init(_module: &'static ThisModule) -> Result<Self> {
>>>            pr_info!("Rust minimal sample (init)\n");
>>>            pr_info!("Am I built-in? {}\n", !cfg!(MODULE));
>>> +        pr_info!(
>>> +            "test_parameter: {}\n",
>>> +            *module_parameters::test_parameter.get()
>>
>> Can we please call it something else than get(), maybe obtain(), access() or
>> just ref()?
> 
> Probably `ref` is the most precise of the options you propose. I would
> go with that one. Or, should it be `as_ref`?

Guess that works as well.

One question additional question: Can't we just impl Deref for
ModuleParamAccess<T>?