linux-kernel - Re: [PATCH v8 2/2] rust: add dma coherent allocator abstraction.

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Message-ID: <20250109080812.GA20431@lst.de>
Date: Thu, 9 Jan 2025 09:08:12 +0100
From: Christoph Hellwig <hch@....de>
To: Danilo Krummrich <dakr@...nel.org>
Cc: Christoph Hellwig <hch@....de>,
	Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
	Abdiel Janulgue <abdiel.janulgue@...il.com>,
	daniel.almeida@...labora.com, aliceryhl@...gle.com,
	robin.murphy@....com, rust-for-linux@...r.kernel.org,
	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>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Trevor Gross <tmgross@...ch.edu>,
	Valentin Obst <kernel@...entinobst.de>,
	open list <linux-kernel@...r.kernel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>, airlied@...hat.com,
	"open list:DMA MAPPING HELPERS" <iommu@...ts.linux.dev>,
	Greg KH <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v8 2/2] rust: add dma coherent allocator abstraction.

On Wed, Jan 08, 2025 at 04:21:33PM +0100, Danilo Krummrich wrote:
> What does "your code" mean? Duplicated in every driver?

Yes, interfaces to the DMA API should stay in readable C code and not
in weird bindings so that it reminds greppable and maintainable.