CONFIG_HAVE_HW_BREAKPOINT (not configurable)

modulename: hw_breakpoint.ko

and/or

ubc.ko

configname: CONFIG_HAVE_HW_BREAKPOINT

Linux Kernel Configuration
└─>General architecture-dependent options
└─>HAVE_HW_BREAKPOINT
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
source code:
arch/xtensa/kernel/hw_breakpoint.c
depends
CONFIG_PERF_EVENTS