linux-kernel - Re: [PATCH v13 2/6] rust: introduce module

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Message-ID: <CANiq72nV3QzpRZTyDTv7Qx-c83jeayUY3nnvhpbtOYXf47EgJA@mail.gmail.com>
Date: Mon, 23 Jun 2025 14:37:05 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Benno Lossin <lossin@...nel.org>
Cc: Andreas Hindborg <a.hindborg@...nel.org>, 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>, 
	Danilo Krummrich <dakr@...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 2/6] rust: introduce module_param module

On Mon, Jun 23, 2025 at 1:48 PM Benno Lossin <lossin@...nel.org> wrote:
>
> Another way would be to use a `Once`-like type (does that exist on the C
> side?) so a type that can be initialized once and then never changes.

There are `DO_ONCE{,_SLEEPABLE,_LITE}`.

Cheers,
Miguel