Re: [PATCH V2 for-next 7/9] IB/hns: Fix the bug of rdma cm connecting on user mode

[kbuild test robot]

Hi Lijun,

[auto build test ERROR on next-20160913]
[cannot apply to rdma/master robh/for-next v4.8-rc6 v4.8-rc5 v4.8-rc4 v4.8-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Salil-Mehta/IB-hns-Add-CM-Connection-Manager-Support-to-HNS-RoCe-Driver/20160914-035830
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All error/warnings (new ones prefixed by >>):

   drivers/infiniband/hw/hns/hns_roce_hw_v1.c: In function 'hns_roce_v1_m_qp':
>> drivers/infiniband/hw/hns/hns_roce_hw_v1.c:2410:10: error: 'DB_REG_OFFSET' undeclared (first use in this function)
             DB_REG_OFFSET * hr_dev->priv_uar.index;
             ^
   drivers/infiniband/hw/hns/hns_roce_hw_v1.c:2410:10: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/infiniband/hw/hns/hns_roce_hw_v1.c:1842:6: warning: unused variable 'reg_val' [-Wunused-variable]
     u32 reg_val = 0;
         ^
>> drivers/infiniband/hw/hns/hns_roce_hw_v1.c:1837:24: warning: unused variable 'rq_db' [-Wunused-variable]
     struct hns_roce_rq_db rq_db;
                           ^

vim +/DB_REG_OFFSET +2410 drivers/infiniband/hw/hns/hns_roce_hw_v1.c

  2404				       RQ_DOORBELL_U32_8_CMD_S, 1);
  2405			roce_set_bit(doorbell[1], RQ_DOORBELL_U32_8_HW_SYNC_S, 1);
  2406	
  2407			if (ibqp->uobject) {
  2408				hr_qp->rq.db_reg_l = hr_dev->reg_base +
  2409					     ROCEE_DB_OTHERS_L_0_REG +
> 2410					     DB_REG_OFFSET * hr_dev->priv_uar.index;
  2411			}
  2412	
  2413			hns_roce_write64_k(doorbell, hr_qp->rq.db_reg_l);

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0-DAY kernel test infrastructure                Open Source Technology Center
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