linux-kernel - Re: [PATCH v5] io: add io

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Message-Id: <DFNCQ48YFMOM.3MX8XIT2I7UET@kernel.org>
Date: Tue, 13 Jan 2026 10:25:05 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Alice Ryhl" <aliceryhl@...gle.com>
Cc: "Miguel Ojeda" <ojeda@...nel.org>, "Will Deacon" <will@...nel.org>,
 "Daniel Almeida" <daniel.almeida@...labora.com>, "Boris Brezillon"
 <boris.brezillon@...labora.com>, "Robin Murphy" <robin.murphy@....com>,
 "Jason Gunthorpe" <jgg@...pe.ca>, "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>, "Trevor Gross" <tmgross@...ch.edu>,
 "Joerg Roedel" <joro@...tes.org>, "Lorenzo Stoakes"
 <lorenzo.stoakes@...cle.com>, "Liam R. Howlett" <Liam.Howlett@...cle.com>,
 "Asahi Lina" <lina+kernel@...hilina.net>, <linux-kernel@...r.kernel.org>,
 <rust-for-linux@...r.kernel.org>, <iommu@...ts.linux.dev>,
 <linux-mm@...ck.org>
Subject: Re: [PATCH v5] io: add io_pgtable abstraction

On Tue Jan 13, 2026 at 9:49 AM CET, Alice Ryhl wrote:
> We did not discuss where this should go in the MAINTAINERS file yet. As
> an initial suggestion I added it under IOMMU SUBSYSTEM, but please let
> me know what you prefer. There is also a DEVICE I/O & IRQ [RUST]
> subsystem that it could fall under.

Either sounds good to me.

> diff --git a/MAINTAINERS b/MAINTAINERS
> index 5b11839cba9de1e9e43f63787578edd8c429ca39..eccdb937762a7545fcd5db0194ab7c1b6dfdfde6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13241,6 +13241,7 @@ F:	drivers/iommu/
>  F:	include/linux/iommu.h
>  F:	include/linux/iova.h
>  F:	include/linux/of_iommu.h
> +F:	rust/kernel/io/pgtable.rs

If it's going to be IOMMU, let's move the file to rust/kernel/iommu/, otherwise
it gets picked up by both entries.