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80b4707a2f
Nesting macros that use the same local variable names causes warnings when building with "make W=2": include/asm-generic/percpu.h:117:14: warning: declaration of '__ret' shadows a previous local [-Wshadow] include/asm-generic/percpu.h:126:14: warning: declaration of '__ret' shadows a previous local [-Wshadow] These are fairly harmless, but since the warning comes from a global header, the warning happens every time the headers are included, which is fairly annoying. Rename the variables to avoid shadowing and shut up the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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.