Ensure an Rx WQE is in memory before linking
Use a write memory barrier to ensure a WQE is written to memory
before linking it to the previous WQE.
Signed-off-by: Eli Cohen <[EMAIL PROTECTED]>
---
src/qp.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/qp.c b/src/qp.c
index 23d7774..841e316 100644
--- a/src/qp.c
+++ b/src/qp.c
@@ -390,6 +390,7 @@ int mthca_tavor_post_recv(struct ibv_qp *ibqp, struct
ibv_recv_wr *wr,
((struct mthca_next_seg *) prev_wqe)->nda_op =
htonl((ind << qp->rq.wqe_shift) | 1);
+ wmb();
((struct mthca_next_seg *) prev_wqe)->ee_nds =
htonl(MTHCA_NEXT_DBD | size);
--
1.5.3.8
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