On 10/31/2012 02:18 PM, Stefan Hajnoczi wrote:
IMO we should use the same mechanism as proposed for other devices:
address_space_map() should grab a reference on the dimm device, and
address_space_unmap() can release it. This way device destruction will
be deferred as soon as all devices complete I/O.
We will have to be careful with network receive buffers though, since
they can be held indefinitely.
Network receive buffers aren't mapped. Net receive is not zero-copy.
For example, virtio-net does virtqueue_pop() inside
I don't see a problem with networking.
What about vhost-net? But that is managed separately with a MemoryListener.
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