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The new challenge is to remove VLAs from the kernel (see https://lkml.org/lkml/2018/3/7/621) The number of GPIOs on the supported chips is fairly small so stack allocate to a known upper bound and spit out a warning if any new chips have more gpios. Signed-off-by: Laura Abbott <labbott@redhat.com> Reviewed-by: Phil Reid <preid@electromag.com.au> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.