linux-kernel - Re: [PATCH v15 00/11] rust: add dma coherent allocator abstraction

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Message-ID: <87msdiig2i.fsf@kernel.org>
Date: Tue, 18 Mar 2025 15:11:49 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: "Abdiel Janulgue" <abdiel.janulgue@...il.com>
Cc: <rust-for-linux@...r.kernel.org>,  <daniel.almeida@...labora.com>,
  <dakr@...nel.org>,  <robin.murphy@....com>,  <aliceryhl@...gle.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" <benno.lossin@...ton.me>,  "Trevor Gross" <tmgross@...ch.edu>,
  "Valentin Obst" <kernel@...entinobst.de>,
  <linux-kernel@...r.kernel.org>,  "Christoph Hellwig" <hch@....de>,
  "Marek Szyprowski" <m.szyprowski@...sung.com>,  <airlied@...hat.com>,
  <iommu@...ts.linux.dev>
Subject: Re: [PATCH v15 00/11] rust: add dma coherent allocator abstraction

Hi Abdiel,

"Abdiel Janulgue" <abdiel.janulgue@...il.com> writes:

> This series adds the rust bindings for the dma coherent allocator which
> is needed for nova-core[0].
>
> For v15, document safety comments on the exception of usage on
> read_volatile and write_volatile as suggested by Boqun Feng.
>
> This is tested on a Nvidia GA104 GPU device using PoC code which parses
> and loads the GSP firmware via DMA.
>

I messed up and replied to v14 of the series for patch 3, 6 (x2) and 9.
Comments still apply to v15.


Best regards,
Andreas Hindborg