netdev - Re: Is fallback vhost_net to qemu for live migrate available？

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Date:	Tue, 27 Aug 2013 10:41:52 +0100
From:	Wei Liu <wei.liu2@...rix.com>
To:	Qin Chuanyu <qinchuanyu@...wei.com>
CC:	"Michael S. Tsirkin" <mst@...hat.com>, <jasowang@...hat.com>,
	<kvm@...r.kernel.org>, <netdev@...r.kernel.org>,
	<qianhuibin@...wei.com>, <wangfuhai@...wei.com>,
	<wei.liu2@...rix.com>
Subject: Re: Is fallback vhost_net to qemu for live migrate available？

First of all, good job, Chuanyu. :-)

On Tue, Aug 27, 2013 at 03:04:54PM +0800, Qin Chuanyu wrote:
[...]
> >.
> >
> Thanks for your reply.
> 
> In fact，I am not sure that whether vhost_log could work on Xen live
> migrate or not. Yes，vhost_sync_dirty_bitmap work well on Kvm，but
> vhost_net havn't run on Xen before，although the method
> vhost_dev_sync_region -> memory_region_set_dirty ->
> xen_modified_memory call sequence exist.
> 

For Xen-specific questions you might have better luck posting to
xen-devel@...ts.xenproject.org.

And I think this project is interesting enough and of benificial to Xen
community as well. Could you CC Xen-devel@ for future updates?

Thanks
Wei.

> Have you considered the scene that vhost_migration_log code running
> on Xen？ If yes，it sames much easier then fallback datapath from
> vhost_net to qemu for live migrate.
> 
> 
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