HT_IRQ_LOW_VECTOR_MASK 2705 arch/x86/kernel/io_apic_64.c msg.address_lo &= ~(HT_IRQ_LOW_VECTOR_MASK | HT_IRQ_LOW_DEST_ID_MASK); HT_IRQ_LOW_VECTOR_MASK 13 include/asm-x86/hypertransport.h (((v) << HT_IRQ_LOW_VECTOR_SHIFT) & HT_IRQ_LOW_VECTOR_MASK)