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Some tests in the devicetree unittests result in printk messages from the code being tested. It can be difficult to determine whether the messages are the result of unittest or are potentially reporting bugs that should be fixed. The most recent example of a person asking whether to be concerned about these messages is [1]. Add annotations for all messages triggered by unittests, except KERN_DEBUG messages. (KERN_DEBUG is a special case due to the possible interaction of CONFIG_DYNAMIC_DEBUG.) The format of the annotations is expected to change when unittests are converted to use the kunit infrastructure when the broader testing community has an opportunity to discuss the implementation of annotations of test triggered messages. [1] https://lore.kernel.org/r/6021ac63-b5e0-ed3d-f964-7c6ef579cd68@huawei.com Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.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.