CONFIG_IRQ_MSI_LIB (not configurable)

modulename: irq-msi-lib.ko

configname: CONFIG_IRQ_MSI_LIB

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>IRQ_MSI_LIB
In linux kernel since version 4.19.325 (release Date: 2024-12-05)  
source code:
drivers/irqchip/irq-msi-lib.c
selects
CONFIG_GENERIC_MSI_IRQ