Commit e031d944 authored by Chengchang Tang's avatar Chengchang Tang Committed by Juan Zhou
Browse files

RDMA/hns: Modify the print level of CQE error 

maillist inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9HASN
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=349e859952285ab9689779fb46de163f13f18f43



----------------------------------------------------------------------

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: 7c044adc ("RDMA/hns: Simplify the cqe code of poll cq")
Signed-off-by: default avatarChengchang Tang <tangchengchang@huawei.com>
Signed-off-by: default avatarJunxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20240412091616.370789-11-huangjunxian6@hisilicon.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarJuan Zhou <zhoujuan51@h-partners.com>
parent 4bbc4730

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+3 −2
Original line number Diff line number Diff line
@@ -3943,8 +3943,9 @@ 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);