linux-kernel - Re: [PATCH v4 0/7] rust: workqueue: add bindings for the workqueue

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Date:   Mon, 25 Sep 2023 09:49:26 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Alice Ryhl <aliceryhl@...gle.com>
Cc:     rust-for-linux@...r.kernel.org, Miguel Ojeda <ojeda@...nel.org>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        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>,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev
Subject: Re: [PATCH v4 0/7] rust: workqueue: add bindings for the workqueue

On Mon, Aug 28, 2023 at 10:48:00AM +0000, Alice Ryhl wrote:
> This patchset contains bindings for the kernel workqueue.
> 
> One of the primary goals behind the design used in this patch is that we
> must support embedding the `work_struct` as a field in user-provided
> types, because this allows you to submit things to the workqueue without
> having to allocate, making the submission infallible. If we didn't have
> to support this, then the patch would be much simpler. One of the main
> things that make it complicated is that we must ensure that the function
> pointer in the `work_struct` is compatible with the struct it is
> contained within.
> 
> The original version of the workqueue bindings was written by Wedson,
> but I have rewritten much of it so that it uses the pin-init
> infrastructure and can be used with containers other than `Arc`.
> 
> This patchset depends on the patch [1] that changes `Opaque` to be
> `!Unpin` for correctness. The patchset is based on the rust-6.6 tag,
> since that tag includes that patch.

Applied to wq/for-6.7-rust-bindings with Boqun's reviewed-by's added.

Thanks.

-- 
tejun