On Mon, Sep 20, 2021 at 04:37:23PM -0500, Tatyana Nikolova wrote: > Remove optimization algorithm for QP doorbell, because > without an mfence the algorithm incorrectly skips ringing > the doorbell. This causes applicaitons like OpenMPI with > high number of connections to stall waiting for completion. > > Enforcing the order of the write of the WQE valid bit > and the read of the SQ tail is required by the algorithm, > but furher investigation is necessary because this does not > appear sufficient for the algorithm to work. In the meantime, > remove the doorbell optimization and fix the MPI failures. > > Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@xxxxxxxxx> > --- > providers/irdma/uk.c | 29 ++--------------------------- > 1 file changed, 2 insertions(+), 27 deletions(-) > Thanks, applied.
