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The Unicam hardware has been observed to cause a buffer overrun when using the dummy buffer as a circular buffer. The conditions that cause the overrun are not fully known, but it seems to occur when the memory bus is heavily loaded. To avoid the overrun, program the hardware with a buffer size of 0 when using the dummy buffer. This will cause overrun into the allocated dummy buffer, but avoid out of bounds writes. Signed-off-by: Naushir Patuck <naush@raspberrypi.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.