From: "Gary Guo" <gary@garyguo.net>
To: "Andreas Hindborg" <a.hindborg@kernel.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Tamir Duberstein" <tamird@kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Onur Özkan" <work@onurozkan.dev>,
"Thomas Gleixner" <tglx@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Lorenzo Stoakes" <ljs@kernel.org>,
"Vlastimil Babka" <vbabka@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
"Uladzislau Rezki" <urezki@gmail.com>
Cc: <linux-kernel@vger.kernel.org>, <rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH v3 2/3] rust: add a wrapper for the `nr_online_nodes` C function
Date: Wed, 30 Sep 2026 16:14:19 +0100 [thread overview]
Message-ID: <DLSQZ5DLFZ47.2B0K99JSUH0MJ@garyguo.net> (raw)
In-Reply-To: <20260929-cpu-helpers-v3-2-e968ce5ee613@kernel.org>
On Tue Sep 29, 2026 at 6:56 PM BST, Andreas Hindborg wrote:
> This function returns the number of online NUMA nodes.
>
> The wrapper is needed by the Rust null block driver.
>
> Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
It's fine to ignore Sashiko. Although, ideally we change C code to do
WRITE_ONCE().
Reviewed-by: Gary Guo <gary@garyguo.net>
Best,
Gary
> ---
> rust/kernel/lib.rs | 1 +
> rust/kernel/numa.rs | 29 +++++++++++++++++++++++++++++
> 2 files changed, 30 insertions(+)
next prev parent reply other threads:[~2026-09-30 15:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-29 17:56 [PATCH v3 0/3] rust: add a few helpers Andreas Hindborg
2026-09-29 17:56 ` [PATCH v3 1/3] rust: add a wrapper for the `num_possible_cpus` C function Andreas Hindborg
2026-09-29 18:30 ` Miguel Ojeda
2026-09-30 7:46 ` Andreas Hindborg
2026-09-30 10:25 ` Miguel Ojeda
2026-09-30 11:34 ` Andreas Hindborg
2026-09-30 11:38 ` Miguel Ojeda
2026-10-01 20:15 ` Miguel Ojeda
2026-10-02 8:33 ` Andreas Hindborg
2026-10-02 9:07 ` Miguel Ojeda
2026-10-02 9:24 ` Peter Zijlstra
2026-10-03 12:03 ` Andreas Hindborg
2026-09-29 17:56 ` [PATCH v3 2/3] rust: add a wrapper for the `nr_online_nodes` " Andreas Hindborg
2026-09-30 15:14 ` Gary Guo [this message]
2026-09-29 17:56 ` [PATCH v3 3/3] rust: alloc: move `NumaNode` to the `numa` module Andreas Hindborg
2026-09-30 15:12 ` Gary Guo
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