CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS (not configurable)

configname: CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS

Linux Kernel Configuration
└─>Kernel hacking
└─>Tracers
└─>DYNAMIC_FTRACE_WITH_DIRECT_CALLS
In linux kernel since version 5.1 (release Date: 2019-05-05)