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99214efede
The `Lock::try_lock()` function returns an `Option<Guard<...>>`, but it currently does not issue a warning if the return value is unused. To avoid potential bugs, the `#[must_use]` annotation is added to ensure proper usage. Note that `T` is `#[must_use]` but `Option<T>` is not. For more context, see: https://github.com/rust-lang/rust/issues/71368. Suggested-by: Alice Ryhl <aliceryhl@google.com> Link: https://github.com/Rust-for-Linux/linux/issues/1133 Signed-off-by: Jason Devers <dev.json2@gmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Boqun Feng <boqun.feng@gmail.com> Link: https://lore.kernel.org/r/20241212154753.139563-1-dev.json2@gmail.com |
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| kernel | ||
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| README | ||
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.