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Re: [Qemu-ppc] [PATCH 2/2] spapr_nvram: Enable migration

From: David Gibson
Subject: Re: [Qemu-ppc] [PATCH 2/2] spapr_nvram: Enable migration
Date: Fri, 3 Oct 2014 14:11:23 +1000
User-agent: Mutt/1.5.23 (2014-03-12)

On Thu, Oct 02, 2014 at 07:56:03PM +1000, Alexey Kardashevskiy wrote:
> The only case when sPAPR NVRAM migrates now is if is backed by a file and
> copy-storage migration is performed. In other cases NVRAM does not
> migrate regardless whether it is backed by a file or not.
> This enables shadow copy of NVRAM in RAM which is read from a file
> (if used) and used for reads. Writes to NVRAM are mirrored to the file.
> This defines a VMSTATE descriptor for NVRAM device so the memory copy
> of NVRAM can migrate and be flushed to a backing file on the destination
> if one is specified.
> Signed-off-by: Alexey Kardashevskiy <address@hidden>

Reviewed-by: David Gibson <address@hidden>

David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!

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