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Date: Fri, 09 Jan 2015 13:59:25 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [RFC PATCH] spapr_vio/spapr_iommu: Move VIO bypass
	where it belongs
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To: Alexey Kardashevskiy <aik@ozlabs.ru>, qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alexander Graf <agraf@suse.de>, David Gibson <david@gibson.dropbear.id.au>



On 09/01/2015 13:53, Alexey Kardashevskiy wrote:
>> > I think the minimum version should be 2 as well, because migrating from
>> > version 1 will not set the bypass field correctly.
> This why the patch is "RFC" :)
> 
> I can keep the flag in TCETable which would be a bit ugly but won't break
> migration. Is there any better way to keep compatibility?

No, I don't think so.

Paolo