From: Jacob Moroni <jmoroni@google.com>
To: tatyana.e.nikolova@intel.com, jgg@ziepe.ca, leon@kernel.org
Cc: linux-rdma@vger.kernel.org, Jacob Moroni <jmoroni@google.com>
Subject: [PATCH] RDMA/irdma: Enforce local fence for IB_WR_REG_MR
Date: Tue, 1 Sep 2026 16:00:14 +0000 [thread overview]
Message-ID: <20260901160014.2026285-1-jmoroni@google.com> (raw)
Enforce local fence for IB_WR_REG_MR to avoid spurious
FASTREG_VALID_MKEY async events during heavy invalidation
and registration activity.
Commit 69e8e429bca2 ("RDMA/irdma: Enforce local fence for LOCAL_INV WRs")
was very similar, but was not sufficient to prevent all occurrences
of these async events.
Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Jacob Moroni <jmoroni@google.com>
---
drivers/infiniband/hw/irdma/verbs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 9cfd84dd6869..5d71300da0ff 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -4281,7 +4281,7 @@ static int irdma_post_send(struct ib_qp *ibqp,
stag_info.total_len = iwmr->ibmr.length;
stag_info.reg_addr_pa = *palloc->level1.addr;
stag_info.first_pm_pbl_index = palloc->level1.idx;
- stag_info.local_fence = ib_wr->send_flags & IB_SEND_FENCE;
+ stag_info.local_fence = true;
if (iwmr->npages > IRDMA_MIN_PAGES_PER_FMR)
stag_info.chunk_size = 1;
err = irdma_sc_mr_fast_register(&iwqp->sc_qp, &stag_info,
--
2.55.0.897.gb25b4bd76c-goog
next reply other threads:[~2026-09-01 16:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 16:00 Jacob Moroni [this message]
2026-09-02 16:27 ` [PATCH] RDMA/irdma: Enforce local fence for IB_WR_REG_MR Leon Romanovsky
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