Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Feedback-ID: i56684263:Fastmail
Message-ID: <2943263c-4a6f-4d5f-c841-6fc638d5eb87@ryhl.io>
Date:   Fri, 31 Mar 2023 09:07:37 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.9.0
Subject: Re: [PATCH v3 13/13] rust: sync: add functions for initializing
 `UniqueArc<MaybeUninit<T>>`
Content-Language: en-US
To:     y86-dev@protonmail.com
Cc:     rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
        patches@lists.linux.dev, Miguel Ojeda <ojeda@kernel.org>,
        Alex Gaynor <alex.gaynor@gmail.com>,
        Wedson Almeida Filho <wedsonaf@gmail.com>,
        Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
        =?UTF-8?Q?Bj=c3=b6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>
References: <20230329223239.138757-14-y86-dev@protonmail.com>
From:   Alice Ryhl <alice@ryhl.io>
In-Reply-To: <20230329223239.138757-14-y86-dev@protonmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 3/30/23 00:33, y86-dev@protonmail.com wrote:
> From: Benno Lossin <y86-dev@protonmail.com>
> 
> Add two functions `init_with` and `pin_init_with` to
> `UniqueArc<MaybeUninit<T>>` to initialize the memory of already allocated
> `UniqueArc`s. This is useful when you want to allocate memory check some
> condition inside of a context where allocation is forbidden and then
> conditionally initialize an object.
> 
> Signed-off-by: Benno Lossin <y86-dev@protonmail.com>

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

I asked for this one because we will need it in the binder driver.