From: Andreas Hindborg <a.hindborg@kernel.org>
To: "Tamir Duberstein" <tamird@gmail.com>
Cc: "Danilo Krummrich" <dakr@kernel.org>,
"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>,
"Matthew Wilcox" <willy@infradead.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"FUJITA Tomonori" <fujita.tomonori@gmail.com>,
"Rob Herring (Arm)" <robh@kernel.org>,
"Maíra Canal" <mcanal@igalia.com>,
"Asahi Lina" <lina@asahilina.net>,
rust-for-linux@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH v18 1/3] rust: types: add `ForeignOwnable::PointedTo`
Date: Tue, 04 Mar 2025 12:35:01 +0100 [thread overview]
Message-ID: <87bjuhhvve.fsf@kernel.org> (raw)
In-Reply-To: <20250221-rust-xarray-bindings-v18-1-cbabe5ddfc32@gmail.com> (Tamir Duberstein's message of "Fri, 21 Feb 2025 15:27:40 -0500")
"Tamir Duberstein" <tamird@gmail.com> writes:
> Allow implementors to specify the foreign pointer type; this exposes
> information about the pointed-to type such as its alignment.
>
> This requires the trait to be `unsafe` since it is now possible for
> implementors to break soundness by returning a misaligned pointer.
>
> Encoding the pointer type in the trait (and avoiding pointer casts)
> allows the compiler to check that implementors return the correct
> pointer type. This is preferable to directly encoding the alignment in
> the trait using a constant as the compiler would be unable to check it.
>
> Acked-by: Danilo Krummrich <dakr@kernel.org>
> Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Best regards,
Andreas Hindborg
next prev parent reply other threads:[~2025-03-04 11:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <30REU2ajXLw46ECdobmT6O2N2vu7_MqsQik95FbqPQgT1Pf13PKYBVQOR4vTVvODo1kTBB0U06LjX3C3HGF5kQ==@protonmail.internalid>
2025-02-21 20:27 ` [PATCH v18 0/3] rust: xarray: Add a minimal abstraction for XArray Tamir Duberstein
2025-02-21 20:27 ` [PATCH v18 1/3] rust: types: add `ForeignOwnable::PointedTo` Tamir Duberstein
2025-03-04 11:35 ` Andreas Hindborg [this message]
2025-02-21 20:27 ` [PATCH v18 2/3] rust: xarray: Add an abstraction for XArray Tamir Duberstein
2025-02-21 20:27 ` [PATCH v18 3/3] MAINTAINERS: add entry for Rust XArray API Tamir Duberstein
2025-02-21 21:14 ` [PATCH v18 0/3] rust: xarray: Add a minimal abstraction for XArray Jens Axboe
2025-03-06 19:33 ` Miguel Ojeda
2025-04-23 13:24 ` Andreas Hindborg
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