DEV_DOMID_MASK 2004 drivers/iommu/amd_iommu.c flags &= ~DEV_DOMID_MASK; DEV_DOMID_MASK 2007 drivers/iommu/amd_iommu.c old_domid = amd_iommu_dev_table[devid].data[1] & DEV_DOMID_MASK; DEV_DOMID_MASK 926 drivers/iommu/amd_iommu_init.c dom_id = old_devtb[devid].data[1] & DEV_DOMID_MASK;