CONFIG_PCI_MSI_IRQ_DOMAIN (not configurable)

modulename: irqdomain.ko

configname: CONFIG_PCI_MSI_IRQ_DOMAIN

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI_MSI_IRQ_DOMAIN
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/pci/msi/irqdomain.c
selects
CONFIG_GENERIC_MSI_IRQ_DOMAIN