kernelconfig_penguin

Only report races where watcher observed a data value change

configname: CONFIG_KCSAN_REPORT_VALUE_CHANGE_ONLY

Linux Kernel Configuration
└─> Kernel hacking
└─> Generic Kernel Debugging Instruments
└─> KCSAN: dynamic data race detector
└─> Only report races where watcher observed a data value change

In linux kernel since version 5.1 (release Date: 2019-05-05)  

If enabled and a conflicting write is observed via a watchpoint, but
the data value of the memory location was observed to remain
unchanged, do not report the data race.