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>,
"Maíra Canal" <mcanal@igalia.com>,
"Asahi Lina" <lina@asahilina.net>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 1/2] rust: types: add `ForeignOwnable::PointedTo`
Date: Tue, 03 Dec 2024 12:51:28 +0100 [thread overview]
Message-ID: <87ldwxf0hr.fsf@kernel.org> (raw)
In-Reply-To: <20241120-rust-xarray-bindings-v10-1-a25b2b0bf582@gmail.com> (Tamir Duberstein's message of "Wed, 20 Nov 2024 06:48:17 -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.
>
> 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:[~2024-12-03 12:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <8afOg1gqssfIosuFD71f-eCLAHFSeGtzFU9qi-FzHX2T8kEkLMkk56HrWwUfVxoMCo8UlbKPaxjcJoixKhT8_g==@protonmail.internalid>
2024-11-20 11:48 ` [PATCH v10 0/2] rust: xarray: Add a minimal abstraction for XArray Tamir Duberstein
2024-11-20 11:48 ` [PATCH v10 1/2] rust: types: add `ForeignOwnable::PointedTo` Tamir Duberstein
2024-11-25 14:49 ` Alice Ryhl
2024-11-25 14:52 ` Tamir Duberstein
2024-11-25 15:33 ` Andreas Hindborg
2024-12-03 11:51 ` Andreas Hindborg [this message]
2024-11-20 11:48 ` [PATCH v10 2/2] rust: xarray: Add an abstraction for XArray Tamir Duberstein
2024-12-03 12:16 ` Andreas Hindborg
2024-12-03 15:00 ` Tamir Duberstein
2024-12-03 12:30 ` Alice Ryhl
2024-12-03 15:00 ` Tamir Duberstein
2024-12-03 15:11 ` Alice Ryhl
2024-12-03 15:57 ` Tamir Duberstein
2024-12-03 15:22 ` Miguel Ojeda
2024-12-03 16:01 ` Tamir Duberstein
2024-11-25 7:58 ` [PATCH v10 0/2] rust: xarray: Add a minimal " Andreas Hindborg
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