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# Date Author Comment
b0b3db79 08/26/2011 11:25 am Michael S. Tsirkin

vhost-net: cleanup host notifiers at last step

When the vhost notifier is disabled, the userspace handler runs
immediately: virtio_pci_set_host_notifier_internal might
call virtio_queue_notify_vq.
Since the VQ state and the tap backend state aren't
recovered yet, this causes...
5430a28f 02/02/2011 12:50 am mst@redhat.com

vhost: force vhost off for non-MSI guests

When MSI is off, each interrupt needs to be bounced through the io
thread when it's set/cleared, so vhost-net causes more context switches and
higher CPU utilization than userspace virtio which handles networking in...
d5970055 04/01/2010 09:56 pm Michael S. Tsirkin

vhost: vhost net support

This adds vhost net device support in qemu. Will be tied to tap device
and virtio by following patches. Raw backend is currently missing,
will be worked on/submitted separately.

Signed-off-by: Michael S. Tsirkin <>...