| Message ID | 20180103123950.8556.47883.stgit@phlsvlogin03.ph.intel.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
On Wed, Jan 03, 2018 at 07:39:50AM -0500, Alex Estrin wrote: > If IB_CQ_REPORT_MISSED_EVENTS flag is passed in ib_req_notify_cq() > it may return positive value indicating non-empty CQ. > If return code not verified the log might be flooded with false > warning messages "request notify on send CQ failed". > > Fixes: 8966e28d2e40 ("IB/ipoib: Use NAPI in UD/TX flows") > Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> > Signed-off-by: Alex Estrin <alex.estrin@intel.com> > v2: adjusted Fixes: line format > drivers/infiniband/ulp/ipoib/ipoib_cm.c | 10 ++++++---- > drivers/infiniband/ulp/ipoib/ipoib_ib.c | 2 +- > 2 files changed, 7 insertions(+), 5 deletions(-) Applied to for-next Thanks, Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 2c13123..8152724 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -766,12 +766,14 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ skb_orphan(skb); skb_dst_drop(skb); - if (netif_queue_stopped(dev)) - if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP | - IB_CQ_REPORT_MISSED_EVENTS)) { + if (netif_queue_stopped(dev)) { + rc = ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP | + IB_CQ_REPORT_MISSED_EVENTS); + if (unlikely(rc < 0)) ipoib_warn(priv, "IPoIB/CM:request notify on send CQ failed\n"); + else if (rc) napi_schedule(&priv->send_napi); - } + } rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), tx_req); if (unlikely(rc)) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index e6151a2..2865808 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -644,7 +644,7 @@ int ipoib_send(struct net_device *dev, struct sk_buff *skb, if (netif_queue_stopped(dev)) if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP | - IB_CQ_REPORT_MISSED_EVENTS)) + IB_CQ_REPORT_MISSED_EVENTS) < 0) ipoib_warn(priv, "request notify on send CQ failed\n"); rc = post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
If IB_CQ_REPORT_MISSED_EVENTS flag is passed in ib_req_notify_cq() it may return positive value indicating non-empty CQ. If return code not verified the log might be flooded with false warning messages "request notify on send CQ failed". Fixes: 8966e28d2e40 ("IB/ipoib: Use NAPI in UD/TX flows") Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Alex Estrin <alex.estrin@intel.com> --- v2: adjusted Fixes: line format --- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 10 ++++++---- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 2 +- 2 files changed, 7 insertions(+), 5 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html