Messages in this thread | | | From | "Xin, Xiaohui" <> | Date | Wed, 7 Apr 2010 10:41:08 +0800 | Subject | RE: [PATCH 1/3] A device for zero-copy based on KVM virtio-net. |
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Michael,
>> Qemu needs a userspace write, is that a synchronous one or >>asynchronous one?
>It's a synchronous non-blocking write. Sorry, why the Qemu live migration needs the device have a userspace write? how does the write operation work? And why a read operation is not cared here?
Thanks Xiaohui
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