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Benno Lossin
2e704f1883
`UnsafeCell<T>` and `T` have the same layout so if `T` is `Zeroable` then so should `UnsafeCell<T>` be. This allows using the derive macro for `Zeroable` on types that contain an `UnsafeCell<T>`. Since `Opaque<T>` contains a `MaybeUninit<T>`, all bytes zero is a valid bit pattern for that type. Reviewed-by: Gary Guo <gary@garyguo.net> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com> Signed-off-by: Benno Lossin <benno.lossin@proton.me> Link: https://lore.kernel.org/r/20230814084602.25699-11-benno.lossin@proton.me Signed-off-by: Miguel Ojeda <ojeda@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 Restructured Text 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.