On Mon, Nov 13, 2017 at 10:48:32PM +0200, Sagi Grimberg wrote: > > >>But if that is not the case, maybe we may have less completion > >>aggragation per interrupt. > > > >It is too bad we can't re-size CQs.. Can we? > > I wish we could, but its an optional feature so I can't see how we can > use it. Well, it looks like mlx4/5 can do it, which covers a huge swath of deployed hardware.. I'd say make an optimal implementation using resize_cq and just a working implementation without it? The only way to encourage vendors to implement optional features is to actually use them in the OS... Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html