linux-kernel - Re: [PATCH v3 0/2] rust: add initial scatterlist abstraction

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Message-ID: <57e06aa7-4805-4b1e-bc46-e6f33582fb97@kernel.org>
Date: Fri, 18 Jul 2025 12:50:14 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Abdiel Janulgue <abdiel.janulgue@...il.com>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: acourbot@...dia.com, jgg@...pe.ca, lyude@...hat.com,
 Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>,
 Boqun Feng <boqun.feng@...il.com>, 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>,
 Tamir Duberstein <tamird@...il.com>,
 FUJITA Tomonori <fujita.tomonori@...il.com>,
 open list <linux-kernel@...r.kernel.org>,
 Randy Dunlap <rdunlap@...radead.org>,
 Herbert Xu <herbert@...dor.apana.org.au>,
 Caleb Sander Mateos <csander@...estorage.com>,
 Petr Tesarik <petr@...arici.cz>, Sui Jingfeng <sui.jingfeng@...ux.dev>,
 Marek Szyprowski <m.szyprowski@...sung.com>,
 Robin Murphy <robin.murphy@....com>, airlied@...hat.com,
 "open list:DMA MAPPING HELPERS" <iommu@...ts.linux.dev>,
 rust-for-linux@...r.kernel.org
Subject: Re: [PATCH v3 0/2] rust: add initial scatterlist abstraction

On 7/18/25 12:33 PM, Abdiel Janulgue wrote:
> Abdiel Janulgue (2):
>    rust: add initial scatterlist abstraction
>    samples: rust: add sample code for scatterlist abstraction
> 
>   rust/bindings/bindings_helper.h |   1 +
>   rust/helpers/helpers.c          |   1 +
>   rust/helpers/scatterlist.c      |  30 +++
>   rust/kernel/dma.rs              |  18 ++
>   rust/kernel/lib.rs              |   1 +
>   rust/kernel/scatterlist.rs      | 405 ++++++++++++++++++++++++++++++++
>   samples/rust/rust_dma.rs        |  49 +++-
>   7 files changed, 504 insertions(+), 1 deletion(-)
>   create mode 100644 rust/helpers/scatterlist.c
>   create mode 100644 rust/kernel/scatterlist.rs

I think this is missing a corresponding MAINTAINERS entry. I assume the
scatterlist stuff should go under the "DMA MAPPING HELPERS DEVICE DRIVER API
[RUST]" entry (which we may want to rename a bit for this purpose).

@Andrew: Any comments or other preferences from your end?