linux-kernel - Re: [PATCH v2 2/5] rust: kernel: require `Send` for `Module` implementations

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Message-ID: <f0606995-18d5-4663-9882-a8349bbc1328@proton.me>
Date: Sat, 30 Mar 2024 11:58:46 +0000
From: Benno Lossin <benno.lossin@...ton.me>
To: Wedson Almeida Filho <wedsonaf@...il.com>, rust-for-linux@...r.kernel.org
Cc: 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@...sung.com>, Alice Ryhl <aliceryhl@...gle.com>, linux-kernel@...r.kernel.org, Wedson Almeida Filho <walmeida@...rosoft.com>
Subject: Re: [PATCH v2 2/5] rust: kernel: require `Send` for `Module` implementations

On 28.03.24 20:54, Wedson Almeida Filho wrote:
> From: Wedson Almeida Filho <walmeida@...rosoft.com>
> 
> The thread that calls the module initialisation code when a module is
> loaded is not guaranteed [in fact, it is unlikely] to be the same one
> that calls the module cleanup code on module unload, therefore, `Module`
> implementations must be `Send` to account for them moving from one
> thread to another implicitly.
> 
> Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
> ---
>   rust/kernel/lib.rs | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

As already said by Valentin, this should go to the stable tree. (and
patch 1 should also go to stable 6.8.2, since IIRC the phy-driver is in
that tree)

Reviewed-by: Benno Lossin <benno.lossin@...ton.me>

-- 
Cheers,
Benno