MMIO_GA_TAIL_OFFSET 744 drivers/iommu/amd_iommu.c tail = readl(iommu->mmio_base + MMIO_GA_TAIL_OFFSET); MMIO_GA_TAIL_OFFSET 796 drivers/iommu/amd_iommu_init.c writel(0x00, iommu->mmio_base + MMIO_GA_TAIL_OFFSET);