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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sun, 09 Jun 2013 12:53:44 +1000
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Subject: Re: [Qemu-devel] [Qemu-ppc]  broken incoming migration
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To: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>, Peter Lieven <pl@kamp.de>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>, Paolo Bonzini <pbonzini@redhat.com>, David Gibson <david@gibson.dropbear.id.au>

On Sun, 2013-06-09 at 10:16 +0800, Wenchao Xia wrote:
>    If an page was not received and destination knows that page should
> exist according to total size, fill it with zero at destination, would
> it solve the problem?

The easiest way to do that is to not write to those pages at the
destination to begin with, when initializing the VM... Is there any way
to know that a VM is being setup as a migration target or not ?

Ben.