Hi Muneendra, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on scsi/for-next] [also build test WARNING on mkp-scsi/for-next next-20201218] [cannot apply to cgroup/for-next v5.10] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Muneendra/blkcg-Support-to-track-FC-storage-blk-io-traffic/20201216-202913 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: powerpc64-randconfig-r023-20201217 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/0day-ci/linux/commit/03480ee8b62a90ab2917fccf45d0e56185c1f8a5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Muneendra/blkcg-Support-to-track-FC-storage-blk-io-traffic/20201216-202913 git checkout 03480ee8b62a90ab2917fccf45d0e56185c1f8a5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/scsi/lpfc/lpfc_init.c:4288:1: warning: no previous prototype for function 'lpfc_vmid_res_alloc' [-Wmissing-prototypes] lpfc_vmid_res_alloc(struct lpfc_hba *phba, struct lpfc_vport *vport) ^ drivers/scsi/lpfc/lpfc_init.c:4287:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u8 ^ static 1 warning generated. vim +/lpfc_vmid_res_alloc +4288 drivers/scsi/lpfc/lpfc_init.c 4275 4276 /** 4277 * lpfc_vmid_res_alloc - Allocates resources for VMID 4278 * @phba: pointer to lpfc hba data structure. 4279 * @vport: pointer to vport data structure 4280 * 4281 * This routine allocated the resources needed for the vmid. 4282 * 4283 * Return codes 4284 * 0 on Succeess 4285 * Non-0 on Failure 4286 */ 4287 u8 > 4288 lpfc_vmid_res_alloc(struct lpfc_hba *phba, struct lpfc_vport *vport) 4289 { 4290 u16 i; 4291 4292 /* vmid feature is supported only on SLI4 */ 4293 if (phba->sli_rev == LPFC_SLI_REV3) { 4294 phba->cfg_vmid_app_header = 0; 4295 phba->cfg_vmid_priority_tagging = 0; 4296 } 4297 4298 /* if enabled, then allocated the resources */ 4299 if (lpfc_is_vmid_enabled(phba)) { 4300 vport->vmid = 4301 kmalloc_array(phba->cfg_max_vmid, sizeof(struct lpfc_vmid), 4302 GFP_KERNEL); 4303 if (!vport->vmid) 4304 return FAILURE; 4305 4306 memset(vport->vmid, 0, 4307 phba->cfg_max_vmid * sizeof(struct lpfc_vmid)); 4308 4309 rwlock_init(&vport->vmid_lock); 4310 4311 /* setting the VMID parameters for the vport */ 4312 vport->vmid_priority_tagging = phba->cfg_vmid_priority_tagging; 4313 vport->vmid_inactivity_timeout = 4314 phba->cfg_vmid_inactivity_timeout; 4315 vport->max_vmid = phba->cfg_max_vmid; 4316 vport->cur_vmid_cnt = 0; 4317 4318 for (i = 0; i < LPFC_VMID_HASH_SIZE; i++) 4319 vport->hash_table[i] = NULL; 4320 4321 vport->vmid_priority_range = bitmap_zalloc 4322 (LPFC_VMID_MAX_PRIORITY_RANGE, GFP_KERNEL); 4323 4324 if (!vport->vmid_priority_range) { 4325 kfree(vport->vmid); 4326 return FAILURE; 4327 } 4328 } 4329 return 0; 4330 } 4331 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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