On Mon, 19 Oct 2020 13:32:12 -0400 Michael S. Tsirkin wrote:

This reverts commit 3618ad2a7c0e78e4258386394d5d5f92a3dbccf8.

When the device does not have a control vq (e.g. when using a
version of QEMU based on upstream v0.10 or older, or when specifying
ctrl_vq=off,ctrl_rx=off,ctrl_vlan=off,ctrl_rx_extra=off,ctrl_mac_addr=off
for the device on the QEMU command line), that commit causes a crash:

Hi Michael!

Only our very first (non-resend) version got into patchwork:

https://patchwork.ozlabs.org/project/netdev/list/?submitter=2235&state=*

Any ideas why?