From: Andreas Hindborg <a.hindborg@kernel.org>
To: "Oliver Mangold" <oliver.mangold@pm.me>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Asahi Lina" <lina@asahilina.net>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 1/4] rust: types: Add Ownable/Owned types
Date: Sun, 23 Mar 2025 21:46:40 +0100 [thread overview]
Message-ID: <87msdb79vz.fsf@kernel.org> (raw)
In-Reply-To: <20250313-unique-ref-v8-1-3082ffc67a31@pm.me> (Oliver Mangold's message of "Thu, 13 Mar 2025 07:00:04 +0000")
"Oliver Mangold" <oliver.mangold@pm.me> writes:
> From: Asahi Lina <lina@asahilina.net>
>
> By analogy to AlwaysRefCounted and ARef, an Ownable type is a (typically
> C FFI) type that *may* be owned by Rust, but need not be. Unlike
> AlwaysRefCounted, this mechanism expects the reference to be unique
> within Rust, and does not allow cloning.
>
> Conceptually, this is similar to a KBox<T>, except that it delegates
> resource management to the T instead of using a generic allocator.
>
> Link: https://lore.kernel.org/all/20250202-rust-page-v1-1-e3170d7fe55e@asahilina.net/
> Signed-off-by: Asahi Lina <lina@asahilina.net>
> [ om: make from_raw() and into_raw() public, small fixes to documentation ]
> Signed-off-by: Oliver Mangold <oliver.mangold@pm.me>
Please see review comments for the original posting of the patch from
Alice [1] and me [2].
Best regards,
Andreas Hindborg
[1] https://lore.kernel.org/all/CAH5fLggscATtCgQwCYSms77oSFOMkjTscRDqAOZsSgoHsOoPQw@mail.gmail.com
[2] https://lore.kernel.org/all/87h64qe3dt.fsf@kernel.org
next prev parent reply other threads:[~2025-03-23 20:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <GwULoA3hxsCsNdxJ4lw7WqNC5bhCMacx5xMre9hZV2GWDdYmQx9rYVzHadna4KGiko3Glypv-AeXUsoECQB-EA==@protonmail.internalid>
2025-03-13 6:59 ` [PATCH v8 0/4] New trait OwnableRefCounted for ARef<->Owned conversion Oliver Mangold
2025-03-13 7:00 ` [PATCH v8 1/4] rust: types: Add Ownable/Owned types Oliver Mangold
2025-03-21 16:08 ` Boqun Feng
2025-03-25 12:00 ` Oliver Mangold
2025-03-23 20:46 ` Andreas Hindborg [this message]
2025-03-13 7:00 ` [PATCH v8 2/4] rust: rename AlwaysRefCounted to RefCounted Oliver Mangold
2025-03-21 16:20 ` Boqun Feng
2025-03-24 7:32 ` Oliver Mangold
2025-03-13 7:00 ` [PATCH v8 3/4] rust: kbuild: provide `RUSTC_HAS_DO_NOT_RECOMMEND` symbol Oliver Mangold
2025-03-13 7:00 ` [PATCH v8 4/4] rust: adding OwnableRefCounted and SimpleOwnableRefCounted Oliver Mangold
2025-03-21 16:37 ` Boqun Feng
2025-03-24 7:59 ` Oliver Mangold
2025-03-23 20:19 ` [PATCH v8 0/4] New trait OwnableRefCounted for ARef<->Owned conversion Andreas Hindborg
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