> Quoting Dotan Barak <[EMAIL PROTECTED]>: > Subject: Re: [mthca] Creation of a SRQ with many WR (> 16K) in kernel level > fails > > Roland Dreier wrote: > > > anyway, the solution that comes into my mind is to disable creating a > > > QP/SRQ for which > 128KB allocations are needed. So > > > mthca_query_device() will set the max_qp_wr and max_srq_wr attributes > > > to values whose derived size still allows to use kmalloc. > > > > But that will limit the size of the queues that userspace can create > > too. I guess we could allocate kernel wrid arrays with vmalloc(), but > > I wonder if anyone actually cares about this limit... > > I think that now, when implementation of IPoIB CM is available and SRQ > is being used, one may need to use a SRQ with more than 16K WRs.
Not really: IPoIB CM uses a common CQ for all recv completions, so it does not make sense for IPoIB CM to create a SRQ bigger than the max CQ size. -- MST _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
