RE: [RFC qemu 0/4] A PV solution for live migration optimization

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> >  Could provide more information on how to use virtio-serial to exchange
> data?  Thread , Wiki or code are all OK.
> >  I have not find some useful information yet.
> 
> See this commit in the Linux sources:
> 
> 108fc82596e3b66b819df9d28c1ebbc9ab5de14c
> 
> that adds a way to send guest trace data over to the host.  I think that's the
> most relevant to your use-case.  However, you'll have to add an in-kernel
> user of virtio-serial (like the virtio-console code
> -- the code that deals with tty and hvc currently).  There's no other non-tty
> user right now, and this is the right kind of use-case to add one for!
> 
> For many other (userspace) use-cases, see the qemu-guest-agent in the
> qemu sources.
> 
> The API is documented in the wiki:
> 
> http://www.linux-kvm.org/page/Virtio-serial_API
> 
> and the feature pages have some information that may help as well:
> 
> https://fedoraproject.org/wiki/Features/VirtioSerial
> 
> There are some links in here too:
> 
> http://log.amitshah.net/2010/09/communication-between-guests-and-
> hosts/
> 
> Hope this helps.
> 
> 
> 		Amit

Thanks a lot !!

Liang
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