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From: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
To: lina@asahilina.net
Cc: alex.gaynor@gmail.com, asahi@lists.linux.dev,
	bjorn3_gh@protonmail.com, boqun.feng@gmail.com, gary@garyguo.net,
	linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	masahiroy@kernel.org, nathan@kernel.org, ndesaulniers@google.com,
	nicolas@fjasle.eu, ojeda@kernel.org,
	rust-for-linux@vger.kernel.org, wedsonaf@gmail.com
Subject: Re: [PATCH] rust: Enable the new_uninit feature for kernel and driver crates
Date: Fri, 24 Feb 2023 11:01:13 -0300	[thread overview]
Message-ID: <20230224140113.745953-1-yakoyoku@gmail.com> (raw)
In-Reply-To: <20230224-rust-new_uninit-v1-1-c951443d9e26@asahilina.net>

On Fri, Feb 24, 2023 at 05:09:47PM +0900, Asahi Lina wrote:
> The unstable new_uninit feature enables various library APIs to create
> uninitialized containers, such as `Box::assume_init()`. This is
> necessary to build abstractions that directly initialize memory at the
> target location, instead of doing copies through the stack.
> 
> Will be used by the DRM scheduler abstraction in the kernel crate, and
> by field-wise initialization (e.g. using `place!()` or a future
> replacement macro which may itself live in `kernel`) in driver crates.

Very useful to me as some constructors in the USB bindings that I'm
writting might make use of unitialized memory.

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

  reply	other threads:[~2023-02-24 14:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-24  8:09 [PATCH] rust: Enable the new_uninit feature for kernel and driver crates Asahi Lina
2023-02-24 14:01 ` Martin Rodriguez Reboredo [this message]
2023-02-25  0:45 ` Gary Guo
2023-02-27 13:09 ` Andreas Hindborg
2023-02-27 13:47   ` Asahi Lina
2023-02-27 14:34     ` Andreas Hindborg
2023-02-27 13:48   ` Miguel Ojeda
2023-03-01 17:24 ` Vincenzo Palazzo
2023-04-10  2:54 ` Miguel Ojeda

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