Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion

[Pankaj Gupta]

> >    - Suggestion by Paolo & Stefan(previously) to use virtio-blk makes sense
> >    if just
> >      want a flush vehicle to send guest commands to host and get reply
> >      after asynchronous
> >      execution. There was previous discussion [1] with Rik & Dan on this.
> > 
> >     [1] https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg08373.html
> 
> ... in fact, the virtio-blk device _could_ actually accept regular I/O
> too.  That would make it easier to boot from pmem.  Is there anything
> similar in regular hardware?

there is existing block device associated(hard bind) with the pmem range.
Also, comment by Christoph [1], about removing block device with DAX support.
Still I am not clear about this. Am I missing anything here?

[1] https://marc.info/?l=kvm&m=150822740332536&w=2

Pankaj