linux-kernel - Re: [PATCH] rust: debugfs: Implement BinaryReader for Mutex<T> only when T is Unpin

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Message-Id: <DE2ST39SK8NS.3EPFHATBG0X7K@kernel.org>
Date: Fri, 07 Nov 2025 22:59:18 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: <gregkh@...uxfoundation.org>, <rafael@...nel.org>, <ojeda@...nel.org>,
 <alex.gaynor@...il.com>, <boqun.feng@...il.com>, <gary@...yguo.net>,
 <bjorn3_gh@...tonmail.com>, <lossin@...nel.org>, <a.hindborg@...nel.org>,
 <aliceryhl@...gle.com>, <tmgross@...ch.edu>
Cc: <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>,
 "Danilo Krummrich" <dakr@...nel.org>, "Stephen Rothwell"
 <sfr@...b.auug.org.au>
Subject: Re: [PATCH] rust: debugfs: Implement BinaryReader for Mutex<T> only
 when T is Unpin

On Fri Nov 7, 2025 at 10:16 AM CET, Danilo Krummrich wrote:
> Commit da123f0ee40f ("rust: lock: guard: Add T: Unpin bound to
> DerefMut") from tip/master adds an Unpin bound to T for Mutex<T>, hence
> also restrict the implementation of BinaryReader for Mutex<T>
> accordingly.
>
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Closes: https://lore.kernel.org/all/20251107134144.117905bd@canb.auug.org.au/
> Signed-off-by: Danilo Krummrich <dakr@...nel.org>

Applied to driver-core-next, thanks!