Intel Optane DCPMM with QEMU vNVDIMM for KVM Guest

We are using Intel Optane DataCenter Persistent Memory Module as the NVDIMM device here. Intel Optane DC Persistent Memory (DCPMM or PMEM) is a new generation of nonvolatile memory (NVM) technology that is fast enough for processors to access stored data directly, without high latency and without a tremendous reduction in performance