MMIO_CMD_TAIL_OFFSET 167 arch/x86/kernel/amd_iommu.c tail = readl(iommu->mmio_base + MMIO_CMD_TAIL_OFFSET); MMIO_CMD_TAIL_OFFSET 174 arch/x86/kernel/amd_iommu.c writel(tail, iommu->mmio_base + MMIO_CMD_TAIL_OFFSET);