Re: [PATCH 1/3] rust: enable `raw_ref_op` feature

[Benno Lossin <benno.lossin@proton.me>]

On Thu Mar 13, 2025 at 6:33 AM CET, Antonio Hickey wrote:
> Since Rust 1.82.0 the `raw_ref_op` feature is stable.
>
> By enabling this feature we can use `&raw place` and `&raw mut place`
> instead of using `addr_of!(place)` and `addr_of_mut!(place)` macros.
>
> This will allow us to reduce macro complexity, and improve consistency
> with existing reference syntax as `&raw`, `&raw mut` is very similar to

One more thing, it has to be `&raw const` instead of `&raw`, I missed
that in the original issue, sorry!

This also needs to be fixed in the other two patches.

---
Cheers,
Benno

> `&`, `&mut` making it fit more naturally with other existing code.
>
> Suggested-by: Benno Lossin <y86-dev@protonmai.com>
> Link: https://github.com/Rust-for-Linux/linux/issues/1148
> Signed-off-by: Antonio Hickey <contact@antoniohickey.com>
> ---
>  rust/kernel/lib.rs | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
> index 398242f92a96..1d078f69bb19 100644
> --- a/rust/kernel/lib.rs
> +++ b/rust/kernel/lib.rs
> @@ -19,6 +19,8 @@
>  #![cfg_attr(not(CONFIG_RUSTC_HAS_COERCE_POINTEE), feature(unsize))]
>  #![feature(inline_const)]
>  #![feature(lint_reasons)]
> +// Stable in Rust 1.82
> +#![feature(raw_ref_op)]
>  // Stable in Rust 1.83
>  #![feature(const_maybe_uninit_as_mut_ptr)]
>  #![feature(const_mut_refs)]