netdev - Re: [net-next PATCH] rust: net: phy: Correct the safety comment for impl Sync

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Date: Mon, 11 Dec 2023 22:50:02 +0100
From: Alice Ryhl <alice@...l.io>
To: Boqun Feng <boqun.feng@...il.com>, netdev@...r.kernel.org
Cc: rust-for-linux@...r.kernel.org, andrew@...n.ch, tmgross@...ch.edu,
 miguel.ojeda.sandonis@...il.com, benno.lossin@...ton.me, wedsonaf@...il.com,
 aliceryhl@...gle.com, FUJITA Tomonori <fujita.tomonori@...il.com>
Subject: Re: [net-next PATCH] rust: net: phy: Correct the safety comment for
 impl Sync

On 12/11/23 20:49, Boqun Feng wrote:
> The current safety comment for impl Sync for DriverVTable has two
> problem:
> 
> * the correctness is unclear, since all types impl Any[1], therefore all
>    types have a `&self` method (Any::type_id).
> 
> * it doesn't explain why useless of immutable references can ensure the
>    safety.
> 
> Fix this by rewritting the comment.
> 
> [1]: https://doc.rust-lang.org/std/any/trait.Any.html
> 
> Signed-off-by: Boqun Feng <boqun.feng@...il.com>

It's fine if you want to change it, but I think the current safety 
comment is good enough.

Alice