linux-kernel - Re: [PATCH v5] rust: Add support for feeding entropy to randomness pool

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Message-ID: <aXKyOGeU_z4v8Ep4@zx2c4.com>
Date: Fri, 23 Jan 2026 00:26:48 +0100
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: Matthew Maurer <mmaurer@...gle.com>
Cc: 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>,
	Danilo Krummrich <dakr@...nel.org>, Theodore Ts'o <tytso@....edu>,
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
	Alexandre Courbot <acourbot@...dia.com>
Subject: Re: [PATCH v5] rust: Add support for feeding entropy to randomness
 pool

On Fri, Jan 02, 2026 at 06:50:16PM +0000, Matthew Maurer wrote:
> Adds just enough support to allow device drivers to feed entropy to the
> central pool.
> 
> Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
> Reviewed-by: Alexandre Courbot <acourbot@...dia.com>
> Signed-off-by: Matthew Maurer <mmaurer@...gle.com>
> ---
> This adds bindings for `add_device_randomness` to enable the conversion
> of `qcom-socinfo` to Rust [1].
> 
> I'm trying to land it separately because it's much simpler and likely
> usable by others. The conversation around this code is also likely to be
> very different than the conversation about the socinfo driver.

Okay, I can take this. But I just wanted to confirm: is that RFC patch
definitely happening? Should I wait until there's a v1 or something?

Jason