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 > virtio_net_receive(). > > I don't see a problem with networking. What about vhost-net? But that is managed separately with a MemoryListener. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
