linux-kernel - Re: [RFC PATCH 0/3] rust: WMI abstractions

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Message-ID: <0983b1b3-f9b0-41b3-8cab-3d8ff2819e56@foxido.dev>
Date: Tue, 23 Dec 2025 00:30:01 +0300
From: Gladyshev Ilya <foxido@...ido.dev>
To: Danilo Krummrich <dakr@...nel.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
 Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>, Björn Roy Baron
 <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>, Tamir Duberstein <tamird@...il.com>,
 Armin Wolf <W_Armin@....de>, platform-driver-x86@...r.kernel.org,
 linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
 linux-acpi@...r.kernel.org
Subject: Re: [RFC PATCH 0/3] rust: WMI abstractions

On 12/22/25 14:52, Danilo Krummrich wrote:
> On Sun Dec 21, 2025 at 7:22 PM CET, Gladyshev Ilya wrote:
>> Overview
>> ========
>> This patchset was developed some time ago out of pure curiosity
>> about the R4L project, but I believe it may still be useful, so
>> I decided to resume and post this work.
>> The goal of my curiosity is to develop a simple WMI driver in Rust
>> for unsupported laptop (I have some laying around) or, as a last
>> resort, submit a rewrite of redmi-wmi as a sample driver -- if that
>> would be acceptable.
> 
> It depends on the subsystem maintainer, please also see [1].
> 
> [1] https://rust-for-linux.com/rust-reference-drivers

Yes, I Cc'ed platform-drivers and WMI maintainer in a hope to gather 
their opinions.

>> Why RFC?
>> ========
>> 1. No real users for now
> 
> Above it does sound like you are working on a new WMI driver as well?
Well, I am planning to, but I can't guarantee any success at this point) 
So "no real users" is honest answer for now

But in a case if a) WMI subsystem is OK with reference drivers, and b) I 
fail to write a new driver, I will submit redmi-wmi-rs as a reference 
driver (since I can test it on my hardware).