CONFIG_IRQ_BYPASS_MANAGER (not configurable)

modulename: irqbypass.ko

configname: CONFIG_IRQ_BYPASS_MANAGER

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ_BYPASS_MANAGER
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
virt/lib/irqbypass.c
is depended by
CONFIG_VFIO_PCI