Hi Nitesh, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v5.17-rc3 next-20220207] [cannot apply to device-mapper-dm/for-next] [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/Nitesh-Shetty/block-make-bio_map_kern-non-static/20220207-231407 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: arm64-randconfig-r031-20220207 (https://download.01.org/0day-ci/archive/20220208/202202080346.u4ubCCIs-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0d8850ae2cae85d49bea6ae0799fa41c7202c05c) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/6bb6ea64499e1ac27975e79bb2eee89f07861893 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nitesh-Shetty/block-make-bio_map_kern-non-static/20220207-231407 git checkout 6bb6ea64499e1ac27975e79bb2eee89f07861893 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/nvme/target/ 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/nvme/target/admin-cmd.c:534:15: warning: implicit conversion from '__le32' (aka 'unsigned int') to '__le16' (aka 'unsigned short') changes value from 2097152 to 0 [-Wconstant-conversion] id->mssrl = cpu_to_le32(BIO_MAX_VECS << (PAGE_SHIFT - SECTOR_SHIFT)); ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/byteorder/generic.h:88:21: note: expanded from macro 'cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ include/uapi/linux/byteorder/big_endian.h:34:27: note: expanded from macro '__cpu_to_le32' #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +534 drivers/nvme/target/admin-cmd.c 488 489 static void nvmet_execute_identify_ns(struct nvmet_req *req) 490 { 491 struct nvme_id_ns *id; 492 u16 status; 493 494 if (le32_to_cpu(req->cmd->identify.nsid) == NVME_NSID_ALL) { 495 req->error_loc = offsetof(struct nvme_identify, nsid); 496 status = NVME_SC_INVALID_NS | NVME_SC_DNR; 497 goto out; 498 } 499 500 id = kzalloc(sizeof(*id), GFP_KERNEL); 501 if (!id) { 502 status = NVME_SC_INTERNAL; 503 goto out; 504 } 505 506 /* return an all zeroed buffer if we can't find an active namespace */ 507 status = nvmet_req_find_ns(req); 508 if (status) { 509 status = 0; 510 goto done; 511 } 512 513 nvmet_ns_revalidate(req->ns); 514 515 /* 516 * nuse = ncap = nsze isn't always true, but we have no way to find 517 * that out from the underlying device. 518 */ 519 id->ncap = id->nsze = 520 cpu_to_le64(req->ns->size >> req->ns->blksize_shift); 521 switch (req->port->ana_state[req->ns->anagrpid]) { 522 case NVME_ANA_INACCESSIBLE: 523 case NVME_ANA_PERSISTENT_LOSS: 524 break; 525 default: 526 id->nuse = id->nsze; 527 break; 528 } 529 530 if (req->ns->bdev) 531 nvmet_bdev_set_limits(req->ns->bdev, id); 532 else { 533 id->msrc = to0based(BIO_MAX_VECS); > 534 id->mssrl = cpu_to_le32(BIO_MAX_VECS << (PAGE_SHIFT - SECTOR_SHIFT)); 535 id->mcl = cpu_to_le64(le32_to_cpu(id->mssrl) * BIO_MAX_VECS); 536 } 537 538 /* 539 * We just provide a single LBA format that matches what the 540 * underlying device reports. 541 */ 542 id->nlbaf = 0; 543 id->flbas = 0; 544 545 /* 546 * Our namespace might always be shared. Not just with other 547 * controllers, but also with any other user of the block device. 548 */ 549 id->nmic = NVME_NS_NMIC_SHARED; 550 id->anagrpid = cpu_to_le32(req->ns->anagrpid); 551 552 memcpy(&id->nguid, &req->ns->nguid, sizeof(id->nguid)); 553 554 id->lbaf[0].ds = req->ns->blksize_shift; 555 556 if (req->sq->ctrl->pi_support && nvmet_ns_has_pi(req->ns)) { 557 id->dpc = NVME_NS_DPC_PI_FIRST | NVME_NS_DPC_PI_LAST | 558 NVME_NS_DPC_PI_TYPE1 | NVME_NS_DPC_PI_TYPE2 | 559 NVME_NS_DPC_PI_TYPE3; 560 id->mc = NVME_MC_EXTENDED_LBA; 561 id->dps = req->ns->pi_type; 562 id->flbas = NVME_NS_FLBAS_META_EXT; 563 id->lbaf[0].ms = cpu_to_le16(req->ns->metadata_size); 564 } 565 566 if (req->ns->readonly) 567 id->nsattr |= (1 << 0); 568 done: 569 if (!status) 570 status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id)); 571 572 kfree(id); 573 out: 574 nvmet_req_complete(req, status); 575 } 576 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
