> On 13 Apr 2021, at 08:29, Leon Romanovsky <l...@kernel.org> wrote: > > On Mon, Apr 12, 2021 at 07:58:47PM -0300, Jason Gunthorpe wrote: >> On Wed, Mar 31, 2021 at 08:43:12PM +0200, Håkon Bugge wrote: >>> ib_modify_qp() is an expensive operation on some HCAs running >>> virtualized. This series removes two ib_modify_qp() calls from RDS. >>> >>> I am sending this as a v3, even though it is the first sent to >>> net. This because the IB Core commit has reach v3. >>> >>> Håkon Bugge (2): >>> IB/cma: Introduce rdma_set_min_rnr_timer() >>> rds: ib: Remove two ib_modify_qp() calls >> >> Applied to rdma for-next, thanks > > Jason, > > It should be > + WARN_ON(id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_TGT);
With no return you will arm the setting of the timer and subsequently get an error from the modify_qp later. Håkon > > and not > + if (WARN_ON(id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_TGT)) > + return -EINVAL; > > Thanks > >> >> Jason
