Re: [Qemu-devel] [PATCH 0/7 V11] nvdimm: guarantee persistence of QEMU writes to persistent memory

[Stefan Hajnoczi]

On Fri, Jul 27, 2018 at 04:06:23PM +0300, Michael S. Tsirkin wrote:
> On Fri, Jul 27, 2018 at 01:49:17PM +0100, Stefan Hajnoczi wrote:
> > On Wed, Jul 18, 2018 at 03:47:56PM +0800, address@hidden wrote:
> > > From: Junyan He <address@hidden>
> > > 
> > > QEMU writes to vNVDIMM backends in the vNVDIMM label emulation and live 
> > > migration.
> > > If the backend is on the persistent memory, QEMU needs to take proper 
> > > operations to
> > > ensure its writes persistent on the persistent memory. Otherwise, a host 
> > > power failure
> > > may result in the loss the guest data on the persistent memory.
> > 
> > Ping Michael.  Can this go through your tree?
> 
> OK but do you really think it's appropriate in this release cycle?
> If not pls repost after the release including the acks.

I agree, it's too late for QEMU 3.0.

Have you considered keeping a -next tree?  It's more
contributor-friendly if you merge patches into a -next tree so they
don't need to worry about it anymore.

Stefan

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