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Re: [Qemu-devel] [PATCH 2/2] spapr_nvram: Enable migration
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [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_!
http://www.ozlabs.org/~dgibson
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