linux-kernel - Re: [PATCH 2/2] rust: init: add re-initialization functions

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Message-ID: <CAH5fLggj_MT=njdieD9BX_gV+4A02m0+zMyzPTJ9DR6hSkQhEg@mail.gmail.com>
Date: Fri, 3 May 2024 13:34:59 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Benno Lossin <benno.lossin@...ton.me>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Wedson Almeida Filho <wedsonaf@...il.com>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Andreas Hindborg <a.hindborg@...sung.com>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] rust: init: add re-initialization functions

On Thu, Apr 25, 2024 at 11:34 PM Benno Lossin <benno.lossin@...ton.me> wrote:
>
> Sometimes it is necessary to split allocation and initialization into
> two steps. One such situation is when reusing existing allocations
> obtained via `Box::drop_contents`. See [1] for an example.
> In order to support this use case add `re_[pin_]init` functions to the
> pin-init API. These functions operate on already allocated smart
> pointers that contain `MaybeUninit<T>`.
>
> Signed-off-by: Benno Lossin <benno.lossin@...ton.me>
> Link: https://lore.kernel.org/rust-for-linux/f026532f-8594-4f18-9aa5-57ad3f5bc592@proton.me/ [1]

I'm not a big fan of the name. Perhaps we can use a name similar to
`Box::write`?

Alice