CONFIG_HAVE_ARCH_KGDB_QXFER_PKT (not configurable)

configname: CONFIG_HAVE_ARCH_KGDB_QXFER_PKT

Linux Kernel Configuration
└─>Kernel hacking
└─>Generic Kernel Debugging Instruments
└─>HAVE_ARCH_KGDB_QXFER_PKT
In linux kernel since version 5.1 (release Date: 2019-05-05)