CONFIG_HAVE_FTRACE_NMI_ENTER (not configurable)
configname: CONFIG_HAVE_FTRACE_NMI_ENTER
Linux Kernel Configuration
└─>HAVE_FTRACE_NMI_ENTER
In linux kernel since version 2.6.30 (release Date: 2009-06-09)
See <a href="https://www.kernel.org/doc/Documentation/trace/ftrace-design.txt
">Documentation/trace/ftrace-design.txt
</a>
">Documentation/trace/ftrace-design.txt
</a>