ack_ioapic_irq   1984 arch/x86/kernel/io_apic_32.c 	.ack 		= ack_ioapic_irq,
ack_ioapic_irq   2556 arch/x86/kernel/io_apic_32.c 	.ack		= ack_ioapic_irq,
ack_ioapic_irq   2636 arch/x86/kernel/io_apic_32.c 	.ack		= ack_ioapic_irq,