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Luc Van Oostenryck
e5fc436f06
__chk_user_ptr() & __chk_io_ptr() are dummy extern functions which only exist to enforce the typechecking of __user or __iomem pointers in macros when using sparse. This typechecking is done by inserting a call to these functions. But the presence of these calls can inhibit some simplifications and so influence the result of sparse's analysis of context/locking. Fix this by changing these calls into static inline calls with an empty body. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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.