- * Return the physical address of elt, which is an element of the pool mp.
- *
- * @param memseg_id
- * Identifier of the memory segment owning the physical address. If
- * set to -1, find it automatically.
- * @param phy_addr
- * physical address of elt.
- *
- * @return
- * The physical address or RTE_BAD_PHYS_ADDR on error.
- */
-static inline phys_addr_t
-rte_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
-{
- if (rte_xen_dom0_supported())
- return rte_xen_mem_phy2mch(memseg_id, phy_addr);
- else
- return phy_addr;
-}
-
-/**
- * Memory init for supporting application running on Xen domain0.
- *
- * @param void
+ * Drivers based on uio will not load unless physical
+ * addresses are obtainable. It is only possible to get
+ * physical addresses when running as a privileged user.