linux-kernel - [PATCH for-next 10/10] RDMA/hns: Modify the print level of CQE error

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Date: Fri, 12 Apr 2024 17:16:16 +0800
From: Junxian Huang <huangjunxian6@...ilicon.com>
To: <jgg@...pe.ca>, <leon@...nel.org>
CC: <linux-rdma@...r.kernel.org>, <linuxarm@...wei.com>,
	<linux-kernel@...r.kernel.org>, <huangjunxian6@...ilicon.com>
Subject: [PATCH for-next 10/10] RDMA/hns: Modify the print level of CQE error

From: Chengchang Tang <tangchengchang@...wei.com>

Too much print may lead to a panic in kernel. Change ibdev_err() to
ibdev_err_ratelimited(), and change the printing level of cqe dump
to debug level.

Fixes: 7c044adca272 ("RDMA/hns: Simplify the cqe code of poll cq")
Signed-off-by: Chengchang Tang <tangchengchang@...wei.com>
Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 5d526b5c4b81..4287818a737f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3713,8 +3713,9 @@ static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp,
 		   wc->status == IB_WC_WR_FLUSH_ERR))
 		return;
 
-	ibdev_err(&hr_dev->ib_dev, "error cqe status 0x%x:\n", cqe_status);
-	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_NONE, 16, 4, cqe,
+	ibdev_err_ratelimited(&hr_dev->ib_dev, "error cqe status 0x%x:\n",
+			      cqe_status);
+	print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE, 16, 4, cqe,
 		       cq->cqe_size, false);
 	wc->vendor_err = hr_reg_read(cqe, CQE_SUB_STATUS);
 
-- 
2.30.0