RISC-V ACLINT S-mode IPI Interrupt Controller

modulename: irq-aclint-sswi.ko

configname: CONFIG_ACLINT_SSWI

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>RISC-V ACLINT S-mode IPI Interrupt Controller
In linux kernel since version 6.12.51 (release Date: 2025-10-06)  
This enables support for variants of the RISC-V ACLINT-SSWI device.
Supported variants are:
- T-HEAD, with compatible "thead,c900-aclint-sswi"
- MIPS P8700, with compatible "mips,p8700-aclint-sswi"

If you don't know what to do here, say Y.

source code:
selects
CONFIG_IRQ_DOMAIN_HIERARCHY
CONFIG_GENERIC_IRQ_IPI_MUX