linux-kernel - Re: [PATCH 08/12] rust: pin-init: rewrite the initializer macros using `syn`

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Message-Id: <DFL5I47BBJOB.3RLOS601BRLFU@garyguo.net>
Date: Sat, 10 Jan 2026 19:20:10 +0000
From: "Gary Guo" <gary@...yguo.net>
To: "Benno Lossin" <lossin@...nel.org>, "Gary Guo" <gary@...yguo.net>,
 "Miguel Ojeda" <ojeda@...nel.org>, "Boqun Feng" <boqun.feng@...il.com>,
 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>,
 "Fiona Behrens" <me@...enk.dev>, "Christian Schrefl"
 <chrisi.schrefl@...il.com>, "Alban Kurti" <kurti@...icto.ai>
Cc: <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>
Subject: Re: [PATCH 08/12] rust: pin-init: rewrite the initializer macros
 using `syn`

On Sat Jan 10, 2026 at 6:14 PM GMT, Benno Lossin wrote:
> On Fri Jan 9, 2026 at 2:45 PM CET, Gary Guo wrote:
>> On Thu Jan 8, 2026 at 1:50 PM GMT, Benno Lossin wrote:
>>> +                quote! {
>>> +                    {
>>> +                        #value_prep
>>> +                        // SAFETY: TODO
>>> +                        unsafe { #write(::core::ptr::addr_of_mut!((*#slot).#ident), #value_ident) };
>>
>> This should be `&raw mut` now?
>
> Yes, but that involves adding workarounds for 1.81 and earlier. I'll
> leave it for a future series.

You can just enable `raw_ref_op` feature globally. We've already enabled it for
the kernel crate.

Best,
Gary