linux-kernel - Re: [PATCH v7 2/2] rust: add dma coherent allocator abstraction.

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Message-ID: <87ikrflxxg.fsf@kernel.org>
Date: Thu, 19 Dec 2024 12:22:35 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: Abdiel Janulgue <abdiel.janulgue@...il.com>
Cc: rust-for-linux@...r.kernel.org,  Daniel Almeida
 <daniel.almeida@...labora.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>,  Alice Ryhl
 <aliceryhl@...gle.com>,  Trevor Gross <tmgross@...ch.edu>,  Danilo
 Krummrich <dakr@...nel.org>,  Valentin Obst <kernel@...entinobst.de>,
  open list <linux-kernel@...r.kernel.org>,  Christoph Hellwig
 <hch@....de>,  Marek Szyprowski <m.szyprowski@...sung.com>,  Robin Murphy
 <robin.murphy@....com>,  airlied@...hat.com,  "open list:DMA MAPPING
 HELPERS" <iommu@...ts.linux.dev>
Subject: Re: [PATCH v7 2/2] rust: add dma coherent allocator abstraction.

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

> Gentle ping. Does this approach make sense? :)

If you include the `Allocator` trait and the `Pool` it would make my
life a lot easier when rebasing nvme. For now I'm just going to use out
of tree patches that include the dma pool.

If you do not have a user for dma pool, maybe just include the
`Allocator` trait and indicate that it is there to support other dma
allocators in the future?

Best regards,
Andreas Hindborg