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]
Date:   Wed, 14 Jun 2023 12:30:28 -0300
From:   Martin Rodriguez Reboredo <yakoyoku@...il.com>
To:     Alice Ryhl <aliceryhl@...gle.com>, rust-for-linux@...r.kernel.org
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        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>,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev
Subject: Re: [PATCH] rust: make `UnsafeCell` the outer type in `Opaque`

On 6/14/23 08:53, Alice Ryhl wrote:
> When combining `UnsafeCell` with `MaybeUninit`, it is idiomatic to use
> `UnsafeCell` as the outer type. Intuitively, this is because a
> `MaybeUninit<T>` might not contain a `T`, but we always want the effect
> of the `UnsafeCell`, even if the inner value is uninitialized.
> 
> Now, strictly speaking, this doesn't really make a difference. The
> compiler will always apply the `UnsafeCell` effect even if the inner
> value is uninitialized. But I think we should follow the convention
> here.
> 
> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
> ---
> [...]

Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@...il.com>

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ