ICH_VTR_PRI_BITS_SHIFT  567 include/linux/irqchip/arm-gic-v3.h #define ICH_VTR_PRI_BITS_MASK		(7 << ICH_VTR_PRI_BITS_SHIFT)
ICH_VTR_PRI_BITS_SHIFT  302 virt/kvm/arm/vgic/vgic-v3.c 					    ICH_VTR_PRI_BITS_SHIFT) + 1;