From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] vhost: enable live migration
Date: Thu, 04 Jun 2015 15:00:08 +0200
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2015-06-01 04:47, Ouyang, Changchun:
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Huawei Xie
> > When we migrate VM, without this feature, qemu will report error:
> > "migrate: Migration disabled: vhost lacks VHOST_F_LOG_ALL feature".
> 
> Is this enough for vhost to support  migrate VM?
> I remember Claire has another patch, possibly need refer to that patch.

Indeed, there were some patches which do not build:
	http://dpdk.org/ml/archives/dev/2014-August/005050.html
And there was no answer.

[...]
> > +				(1ULL << VHOST_F_LOG_ALL))

Please check if this line is sufficient.
Thanks