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Steven Rostedt (VMware)
555fc7813e
ftrace: Replace (void *)1 with a meaningful macro name FTRACE_GRAPH_EMPTY
When the set_graph_function or set_graph_notrace contains no records, a banner is displayed of either "#### all functions enabled ####" or "#### all functions disabled ####" respectively. To tell the seq operations to do this, (void *)1 is passed as a return value. Instead of using a hardcoded meaningless variable, define it as a macro. Acked-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.
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