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 6.11 (release Date: 2024-09-15)  
source code:
drivers/irqchip/irq-msi-lib.c