GICD_IIDR_IMPLEMENTER_SHIFT   65 include/linux/irqchip/arm-gic-v3.h #define GICD_IIDR_IMPLEMENTER_MASK	(0xfff << GICD_IIDR_IMPLEMENTER_SHIFT)
GICD_IIDR_IMPLEMENTER_SHIFT   67 include/linux/irqchip/arm-gic.h #define GICD_IIDR_IMPLEMENTER_MASK	(0xfff << GICD_IIDR_IMPLEMENTER_SHIFT)
GICD_IIDR_IMPLEMENTER_SHIFT   43 virt/kvm/arm/vgic/vgic-mmio-v2.c 			(IMPLEMENTER_ARM << GICD_IIDR_IMPLEMENTER_SHIFT);
GICD_IIDR_IMPLEMENTER_SHIFT   86 virt/kvm/arm/vgic/vgic-mmio-v3.c 			(IMPLEMENTER_ARM << GICD_IIDR_IMPLEMENTER_SHIFT);