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Revert commit cebc04ba9a ("add CONFIG_ENABLE_MUST_CHECK").
A lot of warn_unused_result warnings existed in 2006, but until now
they have been fixed thanks to people doing allmodconfig tests.
Our goal is to always enable __must_check where appropriate, so this
CONFIG option is no longer needed.
I see a lot of defconfig (arch/*/configs/*_defconfig) files having:
# CONFIG_ENABLE_MUST_CHECK is not set
I did not touch them for now since it would be a big churn. If arch
maintainers want to clean them up, please go ahead.
While I was here, I also moved __must_check to compiler_attributes.h
from compiler_types.h
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
[Moved addition in compiler_attributes.h to keep it sorted]
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.