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Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion
From: |
Pankaj Gupta |
Subject: |
Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion |
Date: |
Fri, 24 Nov 2017 08:02:53 -0500 (EST) |
> > - 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
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, (continued)
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Dan Williams, 2017/11/02
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Xiao Guangrong, 2017/11/03
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Rik van Riel, 2017/11/21
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Dan Williams, 2017/11/21
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Rik van Riel, 2017/11/21
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Xiao Guangrong, 2017/11/22
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Dan Williams, 2017/11/23
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Paolo Bonzini, 2017/11/23
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Pankaj Gupta, 2017/11/24
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Paolo Bonzini, 2017/11/24
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion,
Pankaj Gupta <=
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Paolo Bonzini, 2017/11/24
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Dan Williams, 2017/11/28
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Pankaj Gupta, 2017/11/06
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Dan Williams, 2017/11/06
- Re: [Qemu-devel] KVM "fake DAX" flushing interface - discussion, Pankaj Gupta, 2017/11/07