linux-kernel - Re: [PATCH v2 0/2] rust: sync: Atomic pointer

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Message-ID: <aXMNJZv8H2OQl37t@tardis.local>
Date: Thu, 22 Jan 2026 21:54:45 -0800
From: Boqun Feng <boqun.feng@...il.com>
To: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	rcu@...r.kernel.org
Cc: Miguel Ojeda <ojeda@...nel.org>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>, Will Deacon <will@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Mark Rutland <mark.rutland@....com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Frederic Weisbecker <frederic@...nel.org>,
	Neeraj Upadhyay <neeraj.upadhyay@...nel.org>,
	Joel Fernandes <joelagnelf@...dia.com>,
	Josh Triplett <josh@...htriplett.org>,
	Uladzislau Rezki <urezki@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Zqiang <qiang.zhang@...ux.dev>,
	FUJITA Tomonori <fujita.tomonori@...il.com>,
	Dirk Behme <dirk.behme@...bosch.com>
Subject: Re: [PATCH v2 0/2] rust: sync: Atomic pointer

On Tue, Jan 20, 2026 at 10:05:01PM +0800, Boqun Feng wrote:
> I've already queued the first 3 patches in v1, but comments on them are
> welcome as well. The RCU pointer patch is not included in this v2 since
> there is not much update and I'm still hoping to get some reviews on
> that for another respin.
> 
> Changes since v1:
> 
> * Add a clarification patch of CONFIG_ARCH_SUPPORTS_ATOMIC_RMW as
>   suggested by Dirk and Benno.
> 
> * Add support for Atomic<*const T>.
> 
> v1: https://lore.kernel.org/rust-for-linux/20260117122243.24404-1-boqun.feng@gmail.com/
> 

Queued for v7.1, thanks you all!

Regards,
Boqun

> Regards,
> Boqun
> 
> 
> Boqun Feng (2):
>   rust: sync: atomic: Clarify the need of
>     CONFIG_ARCH_SUPPORTS_ATOMIC_RMW
>   rust: sync: atomic: Add Atomic<*{mut,const} T> support
> 
>  rust/helpers/atomic_ext.c            |  3 ++
>  rust/kernel/sync/atomic.rs           | 12 +++++++-
>  rust/kernel/sync/atomic/internal.rs  | 37 ++++++++++++++--------
>  rust/kernel/sync/atomic/predefine.rs | 46 ++++++++++++++++++++++++++++
>  4 files changed, 85 insertions(+), 13 deletions(-)
> 
> -- 
> 2.51.0
>