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Message-ID: <202506240032.CSgIyFct-lkp@intel.com>
Date: Tue, 24 Jun 2025 00:34:33 +0800
From: kernel test robot <lkp@...el.com>
To: Junxian Huang <huangjunxian6@...ilicon.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Leon Romanovsky <leon@...nel.org>
Subject: drivers/infiniband/hw/hns/hns_roce_hw_v2.c:5359:1: warning: the
frame size of 1088 bytes is larger than 1024 bytes
Hi Junxian,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 86731a2a651e58953fc949573895f2fa6d456841
commit: 8977b561216c7e693d61c6442657e33f134bfeb5 RDMA/hns: Clean up the legacy CONFIG_INFINIBAND_HNS
date: 6 months ago
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250624/202506240032.CSgIyFct-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250624/202506240032.CSgIyFct-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506240032.CSgIyFct-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function 'hns_roce_v2_modify_qp':
>> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:5359:1: warning: the frame size of 1088 bytes is larger than 1024 bytes [-Wframe-larger-than=]
5359 | }
| ^
vim +5359 drivers/infiniband/hw/hns/hns_roce_hw_v2.c
f0cb411aad23af Lang Cheng 2021-06-21 5293
606bf89e98efb1 Lijun Ou 2019-07-08 5294 static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
606bf89e98efb1 Lijun Ou 2019-07-08 5295 const struct ib_qp_attr *attr,
606bf89e98efb1 Lijun Ou 2019-07-08 5296 int attr_mask, enum ib_qp_state cur_state,
2bb185c68bf4c1 Luoyouming 2022-12-24 5297 enum ib_qp_state new_state, struct ib_udata *udata)
606bf89e98efb1 Lijun Ou 2019-07-08 5298 {
606bf89e98efb1 Lijun Ou 2019-07-08 5299 struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
606bf89e98efb1 Lijun Ou 2019-07-08 5300 struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
4b42d05d0b2ca5 Lang Cheng 2019-08-08 5301 struct hns_roce_v2_qp_context ctx[2];
4b42d05d0b2ca5 Lang Cheng 2019-08-08 5302 struct hns_roce_v2_qp_context *context = ctx;
4b42d05d0b2ca5 Lang Cheng 2019-08-08 5303 struct hns_roce_v2_qp_context *qpc_mask = ctx + 1;
ae1c61489c7fa0 Lijun Ou 2020-03-20 5304 struct ib_device *ibdev = &hr_dev->ib_dev;
b5c229dc1585ad Lang Cheng 2019-08-08 5305 int ret;
606bf89e98efb1 Lijun Ou 2019-07-08 5306
26e990badde40b Jason Gunthorpe 2020-10-03 5307 if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
26e990badde40b Jason Gunthorpe 2020-10-03 5308 return -EOPNOTSUPP;
26e990badde40b Jason Gunthorpe 2020-10-03 5309
606bf89e98efb1 Lijun Ou 2019-07-08 5310 /*
606bf89e98efb1 Lijun Ou 2019-07-08 5311 * In v2 engine, software pass context and context mask to hardware
606bf89e98efb1 Lijun Ou 2019-07-08 5312 * when modifying qp. If software need modify some fields in context,
606bf89e98efb1 Lijun Ou 2019-07-08 5313 * we should set all bits of the relevant fields in context mask to
606bf89e98efb1 Lijun Ou 2019-07-08 5314 * 0 at the same time, else set them to 0x1.
606bf89e98efb1 Lijun Ou 2019-07-08 5315 */
98912ee82a0c22 Wenpeng Liang 2020-09-16 5316 memset(context, 0, hr_dev->caps.qpc_sz);
98912ee82a0c22 Wenpeng Liang 2020-09-16 5317 memset(qpc_mask, 0xff, hr_dev->caps.qpc_sz);
98912ee82a0c22 Wenpeng Liang 2020-09-16 5318
606bf89e98efb1 Lijun Ou 2019-07-08 5319 ret = hns_roce_v2_set_abs_fields(ibqp, attr, attr_mask, cur_state,
2bb185c68bf4c1 Luoyouming 2022-12-24 5320 new_state, context, qpc_mask, udata);
606bf89e98efb1 Lijun Ou 2019-07-08 5321 if (ret)
606bf89e98efb1 Lijun Ou 2019-07-08 5322 goto out;
606bf89e98efb1 Lijun Ou 2019-07-08 5323
606bf89e98efb1 Lijun Ou 2019-07-08 5324 /* When QP state is err, SQ and RQ WQE should be flushed */
f0cb411aad23af Lang Cheng 2021-06-21 5325 if (new_state == IB_QPS_ERR)
f0cb411aad23af Lang Cheng 2021-06-21 5326 v2_set_flushed_fields(ibqp, context, qpc_mask);
606bf89e98efb1 Lijun Ou 2019-07-08 5327
606bf89e98efb1 Lijun Ou 2019-07-08 5328 /* Configure the optional fields */
606bf89e98efb1 Lijun Ou 2019-07-08 5329 ret = hns_roce_v2_set_opt_fields(ibqp, attr, attr_mask, context,
606bf89e98efb1 Lijun Ou 2019-07-08 5330 qpc_mask);
606bf89e98efb1 Lijun Ou 2019-07-08 5331 if (ret)
606bf89e98efb1 Lijun Ou 2019-07-08 5332 goto out;
606bf89e98efb1 Lijun Ou 2019-07-08 5333
f0cb411aad23af Lang Cheng 2021-06-21 5334 hr_reg_write_bool(context, QPC_INV_CREDIT,
f0cb411aad23af Lang Cheng 2021-06-21 5335 to_hr_qp_type(hr_qp->ibqp.qp_type) == SERV_TYPE_XRC ||
f0cb411aad23af Lang Cheng 2021-06-21 5336 ibqp->srq);
f0cb411aad23af Lang Cheng 2021-06-21 5337 hr_reg_clear(qpc_mask, QPC_INV_CREDIT);
c7bcb13442e1bd Lijun Ou 2018-11-24 5338
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5339) /* Every status migrate must change state */
f0cb411aad23af Lang Cheng 2021-06-21 5340 hr_reg_write(context, QPC_QP_ST, new_state);
f0cb411aad23af Lang Cheng 2021-06-21 5341 hr_reg_clear(qpc_mask, QPC_QP_ST);
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5342)
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5343) /* SW pass context to HW */
98912ee82a0c22 Wenpeng Liang 2020-09-16 5344 ret = hns_roce_v2_qp_modify(hr_dev, context, qpc_mask, hr_qp);
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5345) if (ret) {
323275ac2ff15b wenglianfa 2024-10-24 5346 ibdev_err_ratelimited(ibdev, "failed to modify QP, ret = %d.\n", ret);
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5347) goto out;
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5348) }
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5349)
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5350) hr_qp->state = new_state;
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5351)
606bf89e98efb1 Lijun Ou 2019-07-08 5352 hns_roce_v2_record_opt_fields(ibqp, attr, attr_mask);
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5353)
32548870d438ab Wenpeng Liang 2021-03-04 5354 if (new_state == IB_QPS_RESET && !ibqp->uobject)
32548870d438ab Wenpeng Liang 2021-03-04 5355 clear_qp(hr_qp);
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5356)
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5357) out:
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5358) return ret;
926a01dc000d76 Wei Hu(Xavier 2017-08-30 @5359) }
926a01dc000d76 Wei Hu(Xavier 2017-08-30 5360)
:::::: The code at line 5359 was first introduced by commit
:::::: 926a01dc000d76df3f5b110dddcebfb517b8f57b RDMA/hns: Add QP operations support for hip08 SoC
:::::: TO: Wei Hu(Xavier) <xavier.huwei@...wei.com>
:::::: CC: Doug Ledford <dledford@...hat.com>
--
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