Hi Javed, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b3a9e3b9622ae10064826dccb4f7a52bd88c7407 commit: 77331115e220925af1f52e18ac99e37a0b0c10ad scsi: bnx2fc: Process the RQE with CQE in interrupt context date: 3 months ago config: ia64-randconfig-r003-20200615 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 77331115e220925af1f52e18ac99e37a0b0c10ad # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from arch/ia64/include/asm/pgtable.h:154, from include/linux/mm.h:94, from include/linux/bvec.h:13, from include/linux/skbuff.h:17, from drivers/scsi/bnx2fc/bnx2fc.h:21, from drivers/scsi/bnx2fc/bnx2fc_hwi.c:16: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 137 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function 'bnx2fc_process_unsol_compl': drivers/scsi/bnx2fc/bnx2fc_hwi.c:638:16: warning: variable 'index' set but not used [-Wunused-but-set-variable] 638 | int task_idx, index; | ^~~~~ drivers/scsi/bnx2fc/bnx2fc_hwi.c:638:6: warning: variable 'task_idx' set but not used [-Wunused-but-set-variable] 638 | int task_idx, index; | ^~~~~~~~ drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function 'bnx2fc_pending_work': << from drivers/scsi/bnx2fc/bnx2fc_hwi.c:16: >> drivers/scsi/bnx2fc/bnx2fc_hwi.c:1011:17: warning: variable 'dummy' set but >> not used [-Wunused-but-set-variable] 1011 | unsigned char *dummy; | ^~~~~ drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function 'bnx2fc_init_seq_cleanup_task': drivers/scsi/bnx2fc/bnx2fc_hwi.c:1513:21: warning: variable 'index' set but not used [-Wunused-but-set-variable] 1513 | int orig_task_idx, index; | ^~~~~ drivers/scsi/bnx2fc/bnx2fc_hwi.c:1513:6: warning: variable 'orig_task_idx' set but not used [-Wunused-but-set-variable] 1513 | int orig_task_idx, index; | ^~~~~~~~~~~~~ drivers/scsi/bnx2fc/bnx2fc_hwi.c: In function 'bnx2fc_allocate_hash_table': drivers/scsi/bnx2fc/bnx2fc_hwi.c:2093:7: warning: variable 'hi' set but not used [-Wunused-but-set-variable] 2093 | u32 hi; | ^~ drivers/scsi/bnx2fc/bnx2fc_hwi.c:2092:7: warning: variable 'lo' set but not used [-Wunused-but-set-variable] 2092 | u32 lo; | ^~ vim +/dummy +1011 drivers/scsi/bnx2fc/bnx2fc_hwi.c 996 997 /* Pending work request completion */ 998 static bool bnx2fc_pending_work(struct bnx2fc_rport *tgt, unsigned int wqe) 999 { 1000 unsigned int cpu = wqe % num_possible_cpus(); 1001 struct bnx2fc_percpu_s *fps; 1002 struct bnx2fc_work *work; 1003 struct fcoe_task_ctx_entry *task; 1004 struct fcoe_task_ctx_entry *task_page; 1005 struct fcoe_port *port = tgt->port; 1006 struct bnx2fc_interface *interface = port->priv; 1007 struct bnx2fc_hba *hba = interface->hba; 1008 unsigned char *rq_data = NULL; 1009 unsigned char rq_data_buff[BNX2FC_RQ_BUF_SZ]; 1010 int task_idx, index; > 1011 unsigned char *dummy; 1012 u16 xid; 1013 u8 num_rq; 1014 int i; 1015 1016 xid = wqe & FCOE_PEND_WQ_CQE_TASK_ID; 1017 if (xid >= hba->max_tasks) { 1018 pr_err(PFX "ERROR:xid out of range\n"); 1019 return 0; 1020 } 1021 1022 task_idx = xid / BNX2FC_TASKS_PER_PAGE; 1023 index = xid % BNX2FC_TASKS_PER_PAGE; 1024 task_page = (struct fcoe_task_ctx_entry *)hba->task_ctx[task_idx]; 1025 task = &task_page[index]; 1026 1027 num_rq = ((task->rxwr_txrd.var_ctx.rx_flags & 1028 FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE) >> 1029 FCOE_TCE_RX_WR_TX_RD_VAR_NUM_RQ_WQE_SHIFT); 1030 1031 memset(rq_data_buff, 0, BNX2FC_RQ_BUF_SZ); 1032 1033 if (!num_rq) 1034 goto num_rq_zero; 1035 1036 rq_data = bnx2fc_get_next_rqe(tgt, 1); 1037 1038 if (num_rq > 1) { 1039 /* We do not need extra sense data */ 1040 for (i = 1; i < num_rq; i++) 1041 dummy = bnx2fc_get_next_rqe(tgt, 1); 1042 } 1043 1044 if (rq_data) 1045 memcpy(rq_data_buff, rq_data, BNX2FC_RQ_BUF_SZ); 1046 1047 /* return RQ entries */ 1048 for (i = 0; i < num_rq; i++) 1049 bnx2fc_return_rqe(tgt, 1); 1050 1051 num_rq_zero: 1052 1053 fps = &per_cpu(bnx2fc_percpu, cpu); 1054 spin_lock_bh(&fps->fp_work_lock); 1055 if (fps->iothread) { 1056 work = bnx2fc_alloc_work(tgt, wqe, rq_data_buff, 1057 num_rq, task); 1058 if (work) { 1059 list_add_tail(&work->list, &fps->work_list); 1060 wake_up_process(fps->iothread); 1061 spin_unlock_bh(&fps->fp_work_lock); 1062 return 1; 1063 } 1064 } 1065 spin_unlock_bh(&fps->fp_work_lock); 1066 bnx2fc_process_cq_compl(tgt, wqe, 1067 rq_data_buff, num_rq, task); 1068 1069 return 1; 1070 } 1071 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
