linux-kernel - Re: [RFC PATCH 6/6] rust: cpufreq: Add rust implementation of cppc

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Message-ID: <CANiq72mjvE7h_aH5tYnuuzdPHAzDUpioMi-h44HNCro8qFfDSw@mail.gmail.com>
Date: Thu, 15 Aug 2024 15:04:27 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Pierre Gondois <pierre.gondois@....com>
Cc: linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Len Brown <lenb@...nel.org>, Viresh Kumar <viresh.kumar@...aro.org>, 
	Robert Moore <robert.moore@...el.com>, Miguel Ojeda <ojeda@...nel.org>, 
	Alex Gaynor <alex.gaynor@...il.com>, Wedson Almeida Filho <wedsonaf@...il.com>, 
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...sung.com>, 
	Alice Ryhl <aliceryhl@...gle.com>, Martin Rodriguez Reboredo <yakoyoku@...il.com>, 
	Manos Pitsidianakis <manos.pitsidianakis@...aro.org>, 
	Mika Westerberg <mika.westerberg@...ux.intel.com>, 
	FUJITA Tomonori <fujita.tomonori@...il.com>, Thomas Bertschinger <tahbertschinger@...il.com>, 
	Danilo Krummrich <dakr@...hat.com>, linux-acpi@...r.kernel.org, linux-pm@...r.kernel.org, 
	acpica-devel@...ts.linux.dev, rust-for-linux@...r.kernel.org
Subject: Re: [RFC PATCH 6/6] rust: cpufreq: Add rust implementation of
 cppc_cpufreq driver

On Thu, Aug 15, 2024 at 10:31 AM Pierre Gondois <pierre.gondois@....com> wrote:
>
> In an effort to add test/support the cpufreq framework in rust,
> add a rust implementation of the cppc_cpufreq driver named:
> `rcppc_cpufreq`.

Similar to what Greg said -- is this intended to be something like a
"Rust reference driver" [1] for the subsystem?

[1] https://rust-for-linux.com/rust-reference-drivers

> +       depends on ACPI_PROCESSOR
> +       depends on ARM || ARM64 || RISCV

`depends on RUST`?

Also, I imagine you skipped all safety comments etc. since it is an
RFC, but I thought I would mention it nevertheless.

Thanks for experimenting with Rust!

Cheers,
Miguel