linux-kernel - Re: [RFC PATCH 0/4] rust: miscdevice: abstraction for uring-cmd

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Message-ID: <aH0UOiu4M3RjrPaO@sidongui-MacBookPro.local>
Date: Mon, 21 Jul 2025 01:07:22 +0900
From: Sidong Yang <sidong.yang@...iosa.ai>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Miguel Ojeda <ojeda@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	Jens Axboe <axboe@...nel.dk>, rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org, io-uring@...r.kernel.org,
	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>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [RFC PATCH 0/4] rust: miscdevice: abstraction for uring-cmd

On Sat, Jul 19, 2025 at 06:34:49PM +0200, Miguel Ojeda wrote:
> On Sat, Jul 19, 2025 at 4:34 PM Sidong Yang <sidong.yang@...iosa.ai> wrote:
> >
> > This patch series implemens an abstraction for io-uring sqe and cmd and
> > adds uring_cmd callback for miscdevice. Also there is an example that use
> > uring_cmd in rust-miscdevice sample.
> 
> Who will be using these?

Hi, Miguel

Although some existing kernel modules already use uring_cmd, they aren’t 
implemented in Rust. Currently, no Rust code leverages this abstraction, 
but it will enable anyone who wants to write kernel drivers in Rust using 
uring_cmd.

Thanks,
Sidong

> 
> Thanks!
> 
> Cheers,
> Miguel