diff options
| author | Mustafa Ismail <mustafa.ismail@intel.com> | 2023-03-15 09:52:28 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-20 12:35:07 +0200 |
| commit | 6d61b0cc2adea84603d5999320aa219a7955e0fd (patch) | |
| tree | faca60edb801f5244f9711f38d463044425aeb70 /drivers/infiniband | |
| parent | b8f3162579e17b448d3f1f18924d50d0ae16f062 (diff) | |
| download | linux-6d61b0cc2adea84603d5999320aa219a7955e0fd.tar.gz | |
RDMA/irdma: Do not generate SW completions for NOPs
[ Upstream commit 30ed9ee9a10a90ae719dcfcacead1d0506fa45ed ]
Currently, artificial SW completions are generated for NOP wqes which can
generate unexpected completions with wr_id = 0. Skip the generation of
artificial completions for NOPs.
Fixes: 81091d7696ae ("RDMA/irdma: Add SW mechanism to generate completions on error")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230315145231.931-2-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/irdma/utils.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c index 445e69e86409..7887230c867b 100644 --- a/drivers/infiniband/hw/irdma/utils.c +++ b/drivers/infiniband/hw/irdma/utils.c @@ -2595,7 +2595,10 @@ void irdma_generate_flush_completions(struct irdma_qp *iwqp) /* remove the SQ WR by moving SQ tail*/ IRDMA_RING_SET_TAIL(*sq_ring, sq_ring->tail + qp->sq_wrtrk_array[sq_ring->tail].quanta); - + if (cmpl->cpi.op_type == IRDMAQP_OP_NOP) { + kfree(cmpl); + continue; + } ibdev_dbg(iwqp->iwscq->ibcq.device, "DEV: %s: adding wr_id = 0x%llx SQ Completion to list qp_id=%d\n", __func__, cmpl->cpi.wr_id, qp->qp_id); |