linux-kernel - Re: [PATCH v5 3/5] rust: convert `Arc` to use `Refcount`

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Message-Id: <DC0AQNL2V4TL.1UDSNIRZX4SFU@kernel.org>
Date: Tue, 12 Aug 2025 10:12:31 +0200
From: "Benno Lossin" <lossin@...nel.org>
To: "Gary Guo" <gary@...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>, "Andreas Hindborg" <a.hindborg@...nel.org>,
 "Alice Ryhl" <aliceryhl@...gle.com>, "Trevor Gross" <tmgross@...ch.edu>,
 "Danilo Krummrich" <dakr@...nel.org>, "Tamir Duberstein"
 <tamird@...il.com>, "Alexandre Courbot" <acourbot@...dia.com>, "Alex
 Mantel" <alexmantel93@...lbox.org>
Cc: "Will Deacon" <will@...nel.org>, "Peter Zijlstra"
 <peterz@...radead.org>, "Mark Rutland" <mark.rutland@....com>,
 <rust-for-linux@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 3/5] rust: convert `Arc` to use `Refcount`

On Thu Jul 24, 2025 at 1:32 AM CEST, Gary Guo wrote:
> From: Gary Guo <gary@...yguo.net>
>
> With `Refcount` type created, `Arc` can use `Refcount` instead of
> calling into FFI directly.
>
> Signed-off-by: Gary Guo <gary@...yguo.net>

Reviewed-by: Benno Lossin <lossin@...nel.org>

---
Cheers,
Benno

> ---
>  rust/kernel/sync/arc.rs | 45 +++++++++++++----------------------------
>  1 file changed, 14 insertions(+), 31 deletions(-)