APIC_ID_BIT_OFFSET
irdt->ir_hi <<= APIC_ID_BIT_OFFSET;
id >>= APIC_ID_BIT_OFFSET;
irdt.ir_hi = AV_TOALL >> APIC_ID_BIT_OFFSET;
irdt->ir_hi <<= APIC_ID_BIT_OFFSET;
cpun >>= APIC_ID_BIT_OFFSET;
irdt.ir_hi << APIC_ID_BIT_OFFSET);