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From: Antonio Hickey <contact@antoniohickey.com>
To: "Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <benno.lossin@proton.me>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Danilo Krummrich" <dakr@kernel.org>
Cc: Antonio Hickey <contact@antoniohickey.com>,
	rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v6 10/18] rust: sync: arc: refactor to use `&raw const`
Date: Thu, 17 Apr 2025 21:41:31 -0400	[thread overview]
Message-ID: <20250418014143.888022-11-contact@antoniohickey.com> (raw)
In-Reply-To: <20250418014143.888022-1-contact@antoniohickey.com>

Replacing all occurrences of `addr_of!(place)` with
`&raw const place`.

This will allow us to reduce macro complexity, and improve consistency
with existing reference syntax as `&raw const` is similar to `&` making
it fit more naturally with other existing code.

Suggested-by: Benno Lossin <benno.lossin@proton.me>
Link: https://github.com/Rust-for-Linux/linux/issues/1148
Signed-off-by: Antonio Hickey <contact@antoniohickey.com>
---
 rust/kernel/sync/arc.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs
index 8484c814609a..fea85e5342a0 100644
--- a/rust/kernel/sync/arc.rs
+++ b/rust/kernel/sync/arc.rs
@@ -263,7 +263,7 @@ pub fn into_raw(self) -> *const T {
         let ptr = self.ptr.as_ptr();
         core::mem::forget(self);
         // SAFETY: The pointer is valid.
-        unsafe { core::ptr::addr_of!((*ptr).data) }
+        unsafe { &raw const (*ptr).data }
     }
 
     /// Return a raw pointer to the data in this arc.
@@ -272,7 +272,7 @@ pub fn as_ptr(this: &Self) -> *const T {
 
         // SAFETY: As `ptr` points to a valid allocation of type `ArcInner`,
         // field projection to `data`is within bounds of the allocation.
-        unsafe { core::ptr::addr_of!((*ptr).data) }
+        unsafe { &raw const (*ptr).data }
     }
 
     /// Recreates an [`Arc`] instance previously deconstructed via [`Arc::into_raw`].
-- 
2.48.1


  parent reply	other threads:[~2025-04-18  1:42 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-18  1:41 [PATCH v6 00/18] refactor to utilize `&raw [const|mut]` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 01/18] rust: init: refactor to use `&raw mut` Antonio Hickey
2025-04-21 20:20   ` Benno Lossin
2025-04-18  1:41 ` [PATCH v6 02/18] rust: list: refactor to use `&raw [const|mut]` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 03/18] rust: task: remove use of `addr_of!` macro Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 04/18] rust: faux: refactor to use `&raw mut` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 05/18] rust: kunit: refactor to use `&raw [const|mut]` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 06/18] rust: workqueue: " Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 07/18] rust: workqueue: replace `raw_get` with pointer cast Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 08/18] rust: rbtree: refactor to use `&raw mut` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 09/18] rust: net: phy: " Antonio Hickey
2025-04-18  1:41 ` Antonio Hickey [this message]
2025-04-18  1:41 ` [PATCH v6 11/18] rust: jump_label: refactor to use `&raw const` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 12/18] rust: fs: file: " Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 13/18] rust: time: hrtimer: " Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 14/18] rust: pci: refactor to use `&raw mut` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 15/18] rust: platform: " Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 16/18] rust: dma: refactor to use `&raw [const|mut]` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 17/18] rust: pin-init: refactor to use `&raw mut` Antonio Hickey
2025-04-18  1:41 ` [PATCH v6 18/18] rust: clippy: disallow `addr_of[_mut]!` macros Antonio Hickey
2025-04-18 13:45 ` [PATCH v6 00/18] refactor to utilize `&raw [const|mut]` Miguel Ojeda
2025-09-08 11:23 ` Miguel Ojeda

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