default or selected kernelversion does not have config value CONFIG_PERCPU_RWSEM.
Result is shown for kernelversion 6.5.1

CONFIG_PERCPU_RWSEM (not configurable)

modulename: percpu-rwsem.ko

configname: CONFIG_PERCPU_RWSEM

Linux Kernel Configuration
└─>Library routines
└─>PERCPU_RWSEM
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
kernel/locking/percpu-rwsem.c
is depended by
CONFIG_UPROBES