On Thu, Mar 28, 2024 at 8:22 AM Gavin Shan <gshan@xxxxxxxxxx> wrote: > > All the callers of vhost_get_avail_idx() are concerned to the memory > barrier, imposed by smp_rmb() to ensure the order of the available > ring entry read and avail_idx read. > > Improve vhost_get_avail_idx() so that smp_rmb() is executed when > the avail_idx is advanced. With it, the callers needn't to worry > about the memory barrier. > > Suggested-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > Signed-off-by: Gavin Shan <gshan@xxxxxxxxxx> Acked-by: Jason Wang <jasowang@xxxxxxxxxx> Thanks
