Re: [Qemu-devel] [RFC PATCH 0/3] add nvdimm support on AArch64 virt platform

[Peter Maydell]

On 20 July 2016 at 01:49, Kwangwoo Lee <address@hidden> wrote:
> This patch series add an evaluation environment of NVDIMM on AArch64
> virt platform. Three parts need to be implemented to make this feature
> working properly.
>
> 1. memory hotplug on arm virt platform
> 2. configurable ACPI IO base and size both for i386 and arm platform
> 3. enable NVDIMM on arm virt platform
>
> The memory hotplug is required to recognize DIMM type memory and this
> is also used for NVDIMM device recognition.
>
> The ACPI IO base and size need to be changed on creating ACPI NFIT
> because arm platform uses memory-mapped IO which is different from
> i386 platform. Thus, this patch set includes the changes of setting
> ACPI IO base and size during NVDIMM initialization.
>
> The last part enables NVDIMM on arm virt platform. The feature is
> disabled by default. So explicit option - nvdimm=on - is required to
> enable the feature.

Thanks for this patchset. Could you provide a brief summary of
why this is interesting/useful for the benefit of people who don't
know what an NVDIMM is, please?

thanks
-- PMM