[libvirt] [PATCH 0/5] Introduce NVDIMM support

Richard W.M. Jones rjones at redhat.com
Tue Aug 2 14:43:36 UTC 2016

On Mon, Aug 01, 2016 at 05:10:04PM +0200, Michal Privoznik wrote:
> NVDIMM was introduced to qemu in v2.6.0-rc0~248^2~25. So it's
> been a while since then.
> It's not the next big thing, but it is very interesting feature
> enabling higher performance as reading/writing to the module (and
> subsequently to the file on the host) does not require a VMEXIT.
> It can be used to access host files directly bypassing page cache
> whilst doing so.

Looks good.  Main thing from the libguestfs point of view is it
supports setting the shared access to 'private', so we can use it as a
way to accelerate the appliance root disk, which might also be of
interest to other libvirt users.


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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