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Kees Cook 92df138a8d fortify: Use __diagnose_as() for better diagnostic coverage
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
History 2022-02-13 16:50:07 -08:00
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README

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.