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

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH 00/15] NVDIMM: introduce nvdimm label support
Date: Thu, 17 Mar 2016 10:04:46 +0000
User-agent: Mutt/1.5.24 (2015-08-30)

On Thu, Mar 17, 2016 at 04:32:46PM +0800, Xiao Guangrong wrote:
> This patchset is against commit d4207b223eef3 (fw-cfg: support writeable
> blobs) on pci branch of Michael's git tree and can be found at:
>       https://github.com/xiaogr/qemu.git nvdimm-label-v1
> This is the last part of vNVDIMM implementation which introduces nvdimm
> label support
> Currently Linux NVDIMM driver does not support namespace operation on this
> kind of PMEM, apply below changes to support dynamical namespace:
> @@ -798,7 +823,8 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc 
> *a
>                         continue;
>                 }
> -               if (nfit_mem->bdw && nfit_mem->memdev_pmem)
> +               //if (nfit_mem->bdw && nfit_mem->memdev_pmem)
> +               if (nfit_mem->memdev_pmem)
>                         flags |= NDD_ALIASING;

Not a blocker for this patch series, but why does Linux require Block
Device Window to enable namespace support?

Will this be changed upstream in the Linux driver?

Have you tested Windows guest support?

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