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由 Maxime Coquelin 提交于
In case of backend crash, it is not possible to restore internal avail index from the backend value as vhost_get_vring_base callback fails. This patch provides a new interface to restore internal avail index from the vring used index, as done by some vhost-user backend on reconnection. Signed-off-by: NMaxime Coquelin <maxime.coquelin@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> (cherry picked from commit 2d4ba6cc) Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com>
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