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From: "Aditya Rajan" <adi.dev.github@gmail.com>
To: "Danilo Krummrich" <dakr@kernel.org>, <aliceryhl@google.com>,
	<acourbot@nvidia.com>, <ojeda@kernel.org>, <boqun@kernel.org>,
	<gary@garyguo.net>, <bjorn3_gh@protonmail.com>,
	<lossin@kernel.org>, <a.hindborg@kernel.org>, <tmgross@umich.edu>,
	<abdiel.janulgue@gmail.com>, <daniel.almeida@collabora.com>,
	<robin.murphy@arm.com>
Cc: <driver-core@lists.linux.dev>, <nouveau@lists.freedesktop.org>,
	<dri-devel@lists.freedesktop.org>,
	<rust-for-linux@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/8] rust: dma: add generalized container for types other than slices
Date: Sat, 21 Mar 2026 16:22:09 -0700	[thread overview]
Message-ID: <DH8UHISTLOA4.934370PUTLB4@gmail.com> (raw)
In-Reply-To: <20260320194626.36263-3-dakr@kernel.org>

On Fri Mar 20, 2026 at 12:45 PM PDT, Danilo Krummrich wrote:
> diff --git a/rust/kernel/dma.rs b/rust/kernel/dma.rs
> index 2eea7e2f8f04..ff3e147f1a23 100644
> --- a/rust/kernel/dma.rs
> +++ b/rust/kernel/dma.rs
> +impl<T> Coherent<[T]> {
>      /// Returns the number of elements `T` in this allocation.
>      ///
>      /// Note that this is not the size of the allocation in bytes, which is provided by
>      /// [`Self::size`].
> -    pub fn count(&self) -> usize {
> -        self.count
There is still a mention of `self.count` in the safety comments; perhaps that should be changed to `self.len()` ?
For example, see the safety comments in the following functions: `as_slice`, `as_slice_mut`, and `write` in same file.

  reply	other threads:[~2026-03-21 23:22 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-20 19:45 [PATCH v2 0/8] dma::Coherent & dma::CoherentBox API Danilo Krummrich
2026-03-20 19:45 ` [PATCH v2 1/8] rust: dma: use "kernel vertical" style for imports Danilo Krummrich
2026-03-24 14:02   ` Andreas Hindborg
2026-03-20 19:45 ` [PATCH v2 2/8] rust: dma: add generalized container for types other than slices Danilo Krummrich
2026-03-21 23:22   ` Aditya Rajan [this message]
2026-03-22  0:47     ` Gary Guo
2026-03-22  6:24       ` Aditya Rajan
2026-03-24 13:42   ` Andreas Hindborg
2026-03-24 14:06     ` Gary Guo
2026-03-24 14:37       ` Andreas Hindborg
2026-03-20 19:45 ` [PATCH v2 3/8] rust: dma: add zeroed constructor to `Coherent` Danilo Krummrich
2026-03-21  6:37   ` Alexandre Courbot
2026-03-24 13:46   ` Andreas Hindborg
2026-03-20 19:45 ` [PATCH v2 4/8] rust: dma: introduce dma::CoherentBox for memory initialization Danilo Krummrich
2026-03-20 20:55   ` Gary Guo
2026-03-24 13:57   ` Andreas Hindborg
2026-03-20 19:45 ` [PATCH v2 5/8] rust: dma: add Coherent:init() and Coherent::init_with_attrs() Danilo Krummrich
2026-03-20 20:56   ` Gary Guo
2026-03-24 14:00   ` Andreas Hindborg
2026-03-24 15:03     ` Danilo Krummrich
2026-03-24 15:40       ` Andreas Hindborg
2026-03-20 19:45 ` [PATCH v2 6/8] gpu: nova-core: use Coherent::init to initialize GspFwWprMeta Danilo Krummrich
2026-03-20 21:04   ` Gary Guo
2026-03-20 19:45 ` [PATCH v2 7/8] gpu: nova-core: convert Gsp::new() to use CoherentBox Danilo Krummrich
2026-03-20 21:06   ` Gary Guo
2026-03-20 19:45 ` [PATCH v2 8/8] gpu: nova-core: convert to new dma::Coherent API Danilo Krummrich
2026-03-21 16:50   ` Gary Guo
2026-03-21 18:22     ` Danilo Krummrich
2026-03-21 22:36       ` Gary Guo
2026-03-21  5:13 ` [PATCH v2 0/8] dma::Coherent & dma::CoherentBox API Alexandre Courbot
2026-03-23 21:56 ` Danilo Krummrich

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