Re: [Qemu-devel] [PATCH 00/15] NVDIMM: introduce nvdimm label support

[Stefan Hajnoczi]

On Wed, Mar 23, 2016 at 10:46:56AM +0800, Xiao Guangrong wrote:
> On 03/23/2016 04:30 AM, Stefan Hajnoczi wrote:
> >On Tue, Mar 22, 2016 at 08:37:40AM -0700, Dan Williams wrote:
> >>On Thu, Mar 17, 2016 at 3:04 AM, Stefan Hajnoczi <address@hidden> wrote:
> >>>On Thu, Mar 17, 2016 at 04:32:46PM +0800, Xiao Guangrong wrote:
> >The QEMU NVDIMM device only supports pmem so now I'm not sure we need
> >namespace labels or the ACPI DSM at all.
> >
> 
> We are planing to support PBLK which "simulated BLK it can simply make one big
> aperture that happens to overlap the same address range as PMEM", it will 
> "allow
> enabling BTT on BLK namespaces to support power-fail-safe sector updates for a
> filesystem on PMEM". The idea was contributed by Dan in our internal 
> discussion...

Thanks, that makes sense.

Stefan

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