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Re: [Qemu-devel] [PATCH 0/7 V11] nvdimm: guarantee persistence of QEMU w
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 0/7 V11] nvdimm: guarantee persistence of QEMU writes to persistent memory |
Date: |
Tue, 31 Jul 2018 16:49:06 +0100 |
User-agent: |
Mutt/1.10.0 (2018-05-17) |
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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- [Qemu-devel] [PATCH 1/7 V11] memory, exec: Expose all memory block related flags., (continued)
- [Qemu-devel] [PATCH 1/7 V11] memory, exec: Expose all memory block related flags., junyan . he, 2018/07/18
- [Qemu-devel] [PATCH 2/7 V11] memory, exec: switch file ram allocation functions to 'flags' parameters, junyan . he, 2018/07/18
- [Qemu-devel] [PATCH 4/7 V11] hostmem-file: add the 'pmem' option, junyan . he, 2018/07/18
- [Qemu-devel] [PATCH 5/7 V11] mem/nvdimm: ensure write persistence to PMEM in label emulation, junyan . he, 2018/07/18
- [Qemu-devel] [PATCH 6/7 V11] migration/ram: Add check and info message to nvdimm post copy., junyan . he, 2018/07/18
- [Qemu-devel] [PATCH 7/7 V11] migration/ram: ensure write persistence on loading all data to PMEM., junyan . he, 2018/07/18
- Re: [Qemu-devel] [PATCH 0/7 V11] nvdimm: guarantee persistence of QEMU writes to persistent memory, Stefan Hajnoczi, 2018/07/27