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c40e60f00c
This diagnostic checks whether there is a type mismatch when converting enums (assign an enum of type A to an enum of type B, for example) and it caught a legit issue recently. The reason it didn't show is because that warning is enabled only with -Wextra with GCC. Clang, however, enables it by default. GCC folks were considering enabling it by default but it was too noisy back then: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78736 Now that due to clang all those warnings have been fixed, enable it with GCC too. allmodconfig tests done with: x86, arm{,64}, powerpc{,64}, riscv crossbuilds. Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@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.