CONFIG_X86_LOCAL_APIC (not configurable)
modulename: apic.ko
and/orperfctr-watchdog.ko
configname: CONFIG_X86_LOCAL_APIC
Linux Kernel Configuration for x86
└─>Processor type and features
└─>X86_LOCAL_APIC
In linux kernel since version 2.6.12
source code:
selects
CONFIG_GENERIC_IRQ_LEGACY_ALLOC_HWIRQ