linux-kernel - Re: [PATCH v3 02/13] rust: init: make `#[pin_data]` compatible with conditional compilation of fields

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230801105008.1585062-1-aliceryhl@google.com>
Date:   Tue,  1 Aug 2023 10:50:08 +0000
From:   Alice Ryhl <aliceryhl@...gle.com>
To:     benno.lossin@...ton.me
Cc:     alex.gaynor@...il.com, aliceryhl@...gle.com,
        bjorn3_gh@...tonmail.com, boqun.feng@...il.com, gary@...yguo.net,
        linux-kernel@...r.kernel.org, nmi@...aspace.dk, ojeda@...nel.org,
        rust-for-linux@...r.kernel.org, wedsonaf@...il.com
Subject: Re: [PATCH v3 02/13] rust: init: make `#[pin_data]` compatible with
 conditional compilation of fields

Benno Lossin <benno.lossin@...ton.me> writes:
> This patch allows one to write
> ```
> #[pin_data]
> pub struct Foo {
>     #[cfg(CONFIG_BAR)]
>     a: Bar,
>     #[cfg(not(CONFIG_BAR))]
>     a: Baz,
> }
> ```
> Before, this would result in a compile error, because `#[pin_data]`
> would generate two functions named `a` for both fields unconditionally.
> 
> Signed-off-by: Benno Lossin <benno.lossin@...ton.me>

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>