CONFIG_ARCH_NEED_CMPXCHG_1_EMU (not configurable)

modulename: cmpxchg-emu.ko

configname: CONFIG_ARCH_NEED_CMPXCHG_1_EMU

Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_NEED_CMPXCHG_1_EMU
In linux kernel since version 4.19.318 (release Date: 2024-07-18)  
source code:
lib/cmpxchg-emu.c