On Fri, 2018-01-12 at 13:01 -0800, Saeed Mahameed wrote:
> which is better to grasp ?:
>
> update_doorbell() {
> dma_wmb();
> ring->db = prod;
> }This one is IMO the most secure one (least surprise) Considering the time it took to discover this bug, I would really play safe. But obviously I do not maintain mlx4.
