On 5/7/2016 2:36 PM, Yuanhan Liu wrote: > When DPDK app crashes (or quits, or gets killed), and when QEMU supports > reconnecting (patches have been sent, not merged yet), a restart of DPDK > app would get stale vring base from QEMU. That would break the kernel > virtio net completely, making it non-work any more, unless a driver reset > is done.
s/DPDK app/DPDK vhost/ DPDK app is confusing > > So, instead of getting the stale vring base from QEMU, Huawei suggested > we could get a proper one from used->idx. > > Cc: "Michael S. Tsirkin" <mst at redhat.com> > Suggested-by: "Xie, Huawei" <huawei.xie at intel.com> > Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com> Acked-by: Huawei Xie <huawei.xie at intel.com>