From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Danilo Krummrich" <dakr@kernel.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Will Deacon" <will@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Matthew Maurer" <mmaurer@google.com>
Subject: Re: [PATCH 0/3] Remove the usage of Rust native atomics in debugfs
Date: Wed, 22 Oct 2025 12:29:28 +0200 [thread overview]
Message-ID: <2025102219-jab-footpad-76ee@gregkh> (raw)
In-Reply-To: <20251022035324.70785-1-boqun.feng@gmail.com>
On Tue, Oct 21, 2025 at 11:53:21PM -0400, Boqun Feng wrote:
> Rust native atomics are not supposed to be used in kernel due to the
> mismatch of memory model, since we now have the LKMM atomics in Rust,
> remove the usage of Rust native atomics in debugfs.
>
> (help is appreciated if anyone wants to help in other subsystem)
>
> Boqun Feng (3):
> rust: sync: atomic: Make Atomic*Ops pub(crate)
> rust: sync: atomic: Implement Debug for Atomic<Debug>
> rust: debugfs: Replace the usage of Rust native atomics
>
> rust/kernel/debugfs/traits.rs | 53 +++++++++--------------------
> rust/kernel/sync/atomic.rs | 12 ++++++-
> samples/rust/rust_debugfs.rs | 12 +++----
> samples/rust/rust_debugfs_scoped.rs | 6 ++--
> 4 files changed, 36 insertions(+), 47 deletions(-)
>
> --
> 2.51.0
>
>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2025-10-22 10:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-22 3:53 [PATCH 0/3] Remove the usage of Rust native atomics in debugfs Boqun Feng
2025-10-22 3:53 ` [PATCH 1/3] rust: sync: atomic: Make Atomic*Ops pub(crate) Boqun Feng
2025-10-22 3:53 ` [PATCH 2/3] rust: sync: atomic: Implement Debug for Atomic<Debug> Boqun Feng
2025-10-22 3:53 ` [PATCH 3/3] rust: debugfs: Replace the usage of Rust native atomics Boqun Feng
2025-10-22 9:52 ` Danilo Krummrich
2025-10-22 16:25 ` Matthew Maurer
2025-10-22 8:07 ` [PATCH 0/3] Remove the usage of Rust native atomics in debugfs Peter Zijlstra
2025-10-22 8:27 ` Alice Ryhl
2025-10-22 13:19 ` Boqun Feng
2025-10-22 10:29 ` Greg Kroah-Hartman [this message]
2025-10-24 5:49 ` David Gow
2025-10-24 14:57 ` Danilo Krummrich
2025-11-05 20:01 ` Boqun Feng
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