acpi_os_install_interrupt_handler 556 drivers/acpi/osl.c acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler, acpi_os_install_interrupt_handler 896 tools/power/acpi/os_specific/service_layers/osunixxf.c acpi_os_install_interrupt_handler(u32 interrupt_number,