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Arnd Bergmann
f5982cceb3
Patch series "kbuild: enable more warnings by default", v3. All the warning fixes I sent for these warnings have been merged into mainline or linux-next, so let's turn them on by default. This patch (of 6): The -Wextra option controls a number of different warnings that differ slightly by compiler version. Some are useful in general, others are better left at W=1 or higher. Based on earlier work, the ones that should be disabled by default are left for the higher warning levels already, and a lot of the useful ones have no remaining output when enabled. Move the -Wextra option up into the set of default-enabled warnings and just rely on the individual ones getting disabled as needed. The -Wunused warning was always grouped with this, so turn it on by default as well, except for the -Wunused-parameter warning that really has no value at all for the kernel since many interfaces have intentionally unused arguments. Link: https://lkml.kernel.org/r/20240415122037.1983124-1-arnd@kernel.org Link: https://lkml.kernel.org/r/20240415122037.1983124-2-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nathan Chancellor <nathan@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.