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94febfb5bc
With the Opaque<T>, the expectations are that Rust should not make any assumptions on the layout or invariants of the wrapped C types. That runs rather counter to ioctl arguments, which must adhere to certain data-layout constraints. By using Opaque<T>, ioctl handlers are forced to use unsafe code where none is actually needed. This adds needless complexity and maintenance overhead, brining no safety benefits. Drop the use of Opaque for ioctl arguments as that is not the best fit here. Signed-off-by: Beata Michalska <beata.michalska@arm.com> Reviewed-by: Boqun Feng <boqun.feng@gmail.com> Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20250626162313.2755584-1-beata.michalska@arm.com Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.