From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH 2/2] spapr_nvram: Enable migration
Date: Fri, 3 Oct 2014 14:11:23 +1000 [thread overview]
Message-ID: <20141003041123.GB26456@voom.redhat.com> (raw)
In-Reply-To: <1412243763-32431-3-git-send-email-aik@ozlabs.ru>
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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 <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
--
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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next prev parent reply other threads:[~2014-10-03 4:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-02 9:56 [Qemu-devel] [PATCH 0/2] Here are 2 patches to enable sPAPR NVRAM migration Alexey Kardashevskiy
2014-10-02 9:56 ` [Qemu-devel] [PATCH 1/2] vmstate: Allow dynamic allocation for VBUFFER during migration Alexey Kardashevskiy
2014-10-02 23:42 ` Alexey Kardashevskiy
2014-10-09 5:20 ` Alexey Kardashevskiy
2014-10-03 4:08 ` David Gibson
2014-10-14 7:32 ` Juan Quintela
2014-10-02 9:56 ` [Qemu-devel] [PATCH 2/2] spapr_nvram: Enable migration Alexey Kardashevskiy
2014-10-03 4:11 ` David Gibson [this message]
2014-10-02 10:58 ` [Qemu-devel] [PATCH 0/2] Here are 2 patches to enable sPAPR NVRAM migration Alexander Graf
2014-10-15 7:21 ` Alexander Graf
-- strict thread matches above, loose matches on Subject: below --
2014-09-25 7:02 [Qemu-devel] [PATCH 0/2] spapr_nvram: Support migration Alexey Kardashevskiy
2014-09-25 7:02 ` [Qemu-devel] [PATCH 2/2] spapr_nvram: Enable migration Alexey Kardashevskiy
2014-09-25 9:43 ` Alexander Graf
2014-09-25 10:06 ` Alexey Kardashevskiy
2014-09-26 2:31 ` David Gibson
2014-09-26 2:53 ` Alexey Kardashevskiy
2014-09-29 8:30 ` Alexander Graf
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