On Tue, Jul 02, 2019 at 10:31:01PM -0400, Pankaj Gupta wrote: > > >> >> Ok, if it works, we could list those regions? and change pmem0 mode to dax >> mode, right? > >You mean fs dax? >I don't think currently we support this because raw image wont have any >metadata. >Will have to think if this is at all possible or how we can achieve such >behavior. >
Ok, I got it. >Also, there is requirement to support host backing file on real NVDIMM and >virtio. Once we have have first version of virtio pmem series merged upstream >we will continue to work on advance features depending upon feasibility. > One curiosity, what difference make NVDIMM backend doesn't work now? The /dev/dax0.0 is a char file. The nvdimm device use mmap to map HVA to HPA. It looks a normal file to me. Would appreciated it if you would share some light on it. >Thanks, >Pankaj > > -- Wei Yang Help you, Help me
