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21c094d3f8
Add documentation for the two newly introduced options for the function_graph tracer. The funcgraph-retval option is used to control whether or not to display the return value, while the funcgraph-retval-hex option is used to control the display format of the return value. Link: https://lkml.kernel.org/r/2b5635f05146161b54c9ea6307e25efe5ccebdad.1680954589.git.pengdonglin@sangfor.com.cn Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Donglin Peng <pengdonglin@sangfor.com.cn> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.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.