linux-kernel - Re: [PATCH v2 4/8] rust: workqueue: define built-in queues

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Date:   Fri,  2 Jun 2023 08:32:25 +0000
From:   Alice Ryhl <aliceryhl@...gle.com>
To:     gary@...yguo.net
Cc:     alex.gaynor@...il.com, aliceryhl@...gle.com,
        benno.lossin@...ton.me, bjorn3_gh@...tonmail.com,
        boqun.feng@...il.com, jiangshanlai@...il.com,
        linux-kernel@...r.kernel.org, ojeda@...nel.org,
        patches@...ts.linux.dev, rust-for-linux@...r.kernel.org,
        tj@...nel.org, walmeida@...rosoft.com, wedsonaf@...il.com,
        yakoyoku@...il.com
Subject: Re: [PATCH v2 4/8] rust: workqueue: define built-in queues

Gary Guo <gary@...yguo.net> writes:
> On Thu,  1 Jun 2023 13:49:42 +0000
> Alice Ryhl <aliceryhl@...gle.com> wrote:
>> From: Wedson Almeida Filho <walmeida@...rosoft.com>
>> 
>> We provide these methods because it lets us access these queues from
>> Rust without using unsafe code.
>> 
>> These methods return `&'static Queue`. References annotated with the
>> 'static lifetime are used when the referent will stay alive forever.
>> That is ok for these queues because they are global variables and cannot
>> be destroyed.
>> 
>> Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
>> Co-developed-by: Alice Ryhl <aliceryhl@...gle.com>
>> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
>> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@...il.com>
> 
> This looks fine to me, so:
> 
> Reviewed-by: Gary Guo <gary@...yguo.net>
> 
> Just one question about style: would people prefer:
> 
> 	kernel::workqueue::system().enqueue(...)
> 
> or
> 
> 	use kernel::workqueue::Queue;
> 	Queue::system().enqueue(...)
> 
> ?

I prefer the first version.

Alice