linux-kernel - Re: [PATCH] rust: transmute: Add implementation for FromBytes trait

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Message-ID: <CAH5fLgjJTjxo5oMeagUhV-tJoNZnWu3QWXhT4X3SYe42FpUgWA@mail.gmail.com>
Date: Wed, 9 Oct 2024 09:37:09 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Christian dos Santos de Lima <christiansantoslima21@...il.com>
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Miguel Ojeda <ojeda@...nel.org>, 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>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Trevor Gross <tmgross@...ch.edu>
Subject: Re: [PATCH] rust: transmute: Add implementation for FromBytes trait

On Wed, Oct 9, 2024 at 3:48 AM Christian dos Santos de Lima
<christiansantoslima21@...il.com> wrote:
>
> Add implementation and documentation for FromBytes trait.
>
> Add new feature block in order to allow using ToBytes
> and bound to from_bytes_mut function.
>
> Link: https://github.com/Rust-for-Linux/linux/issues/1119
> Signed-off-by: Christian dos Santos de Lima <christiansantoslima21@...il.com>
> ---
>  rust/kernel/lib.rs       |   2 +
>  rust/kernel/transmute.rs | 302 +++++++++++++++++++++++++++++++++++++--
>  2 files changed, 290 insertions(+), 14 deletions(-)
>
> diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
> index dc37aef6a008..5215f5744e12 100644
> --- a/rust/kernel/lib.rs
> +++ b/rust/kernel/lib.rs
> @@ -18,6 +18,8 @@
>  #![feature(lint_reasons)]
>  #![feature(new_uninit)]
>  #![feature(unsize)]
> +#![feature(portable_simd)]
> +#![feature(trivial_bounds)]

New unstable features must come with a good justification. Why are you
adding these? Why can't we avoid adding them? This information needs
to be in the commit message.

Alice