Juan Quintela
2021-Nov-02 07:40 UTC
[RFC PATCH v5 02/26] vhost: Fix last queue index of devices with no cvq
Eugenio P?rez <eperezma at redhat.com> wrote:> The -1 assumes that all devices with no cvq have an spare vq allocated > for them, but with no offer of VIRTIO_NET_F_CTRL_VQ. This may not be the > case, and the device may have a pair number of queues. > > To fix this, just resort to the lower even number of queues. > > Fixes: 049eb15b5fc9 ("vhost: record the last virtqueue index for the > virtio device") > Signed-off-by: Eugenio P?rez <eperezma at redhat.com>Reviewed-by: Juan Quintela <quintela at redhat.com>