linux-kernel - Re: [PATCH v4 1/2] rust: add basic Pin<Vec<T, A>> abstractions

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Message-ID: <aOzEz23fWxHZbvdh@google.com>
Date: Mon, 13 Oct 2025 09:22:23 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Benno Lossin <lossin@...nel.org>
Cc: Markus Probst <markus.probst@...teo.de>, Danilo Krummrich <dakr@...nel.org>, 
	Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, Lee Jones <lee@...nel.org>, 
	Pavel Machek <pavel@...nel.org>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	Vlastimil Babka <vbabka@...e.cz>, "Liam R. Howlett" <Liam.Howlett@...cle.com>, 
	Uladzislau Rezki <urezki@...il.com>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	bjorn3_gh@...tonmail.com, Andreas Hindborg <a.hindborg@...nel.org>, 
	Trevor Gross <tmgross@...ch.edu>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org
Subject: Re: [PATCH v4 1/2] rust: add basic Pin<Vec<T, A>> abstractions

On Mon, Oct 13, 2025 at 10:03:19AM +0200, Benno Lossin wrote:
> And `Vec::pin_init_slice` would have the following signature:
> 
>     fn pin_init_slice<T, I, E>(this: Vec<I>, flags: alloc::Flags) -> Result<Pin<Box<[T]>>>
>     where
>         I: PinInit<T, E>,
>         Error: From<E>;

We already have Box::pin_slice().

Alice