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notify io_thread at the end of rx handling

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This is a backport from qemu-kvm. Just instead of using kvm's specific
notification mechanism, we use qemu_notify_event()

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Glauber Costa 2009-07-20 13:07:41 -04:00 committed by Anthony Liguori
parent 452e475196
commit a61d1f6701
1 changed files with 4 additions and 0 deletions
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4
hw/virtio-net.c
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@ -305,6 +305,10 @@ static void virtio_net_handle_rx(VirtIODevice *vdev, VirtQueue *vq)
VirtIONet *n = to_virtio_net(vdev);
qemu_flush_queued_packets(n->vc);
/* We now have RX buffers, signal to the IO thread to break out of the
* select to re-poll the tap file descriptor */
qemu_notify_event();
}
static int do_virtio_net_can_receive(VirtIONet *n, int bufsize)