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In preparation for using Clang's __pass_object_size, add __diagnose_as() attributes to mark the functions as being the same as the indicated builtins. When __daignose_as() is available, Clang will have a more complete ability to apply its own diagnostic analysis to callers of these functions, as if they were the builtins themselves. Without __diagnose_as, Clang's compile time diagnostic messages won't be as precise as they could be, but at least users of older toolchains will still benefit from having fortified routines. Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Link: https://lore.kernel.org/r/20220208225350.1331628-7-keescook@chromium.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.