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-20220209] [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... base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: arm64-randconfig-s032-20220207 (https://download.01.org/0day-ci/archive/20220210/202202101647.VtWTgalm-lk...) compiler: aarch64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/6bb6ea64499e1ac27975e79bb2eee89f0... 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=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/nvme/target/io-cmd-bdev.c:52:25: sparse: expected restricted __le32 [usertype] mcl drivers/nvme/target/io-cmd-bdev.c:52:25: sparse: got restricted __le64 [usertype] drivers/nvme/target/io-cmd-bdev.c:53:27: sparse: expected restricted __le16 [usertype] mssrl drivers/nvme/target/io-cmd-bdev.c:53:27: sparse: got restricted __le32 [usertype] drivers/nvme/target/io-cmd-bdev.c:55:26: sparse: expected unsigned char [usertype] msrc drivers/nvme/target/io-cmd-bdev.c:55:26: sparse: got restricted __le16 drivers/nvme/target/io-cmd-bdev.c:58:34: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned char [usertype] msrc @@ got restricted __le16 @@ drivers/nvme/target/io-cmd-bdev.c:58:34: sparse: expected unsigned char [usertype] msrc drivers/nvme/target/io-cmd-bdev.c:58:34: sparse: got restricted __le16 drivers/nvme/target/io-cmd-bdev.c:59:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] mssrl @@ got restricted __le32 [usertype] @@ drivers/nvme/target/io-cmd-bdev.c:59:35: sparse: expected restricted __le16 [usertype] mssrl drivers/nvme/target/io-cmd-bdev.c:59:35: sparse: got restricted __le32 [usertype] drivers/nvme/target/io-cmd-bdev.c:61:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] mcl @@ got restricted __le64 [usertype] @@ drivers/nvme/target/io-cmd-bdev.c:61:33: sparse: expected restricted __le32 [usertype] mcl drivers/nvme/target/io-cmd-bdev.c:61:33: sparse: got restricted __le64 [usertype] drivers/nvme/target/io-cmd-bdev.c:65:34: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned char [usertype] msrc @@ got restricted __le16 @@ drivers/nvme/target/io-cmd-bdev.c:65:34: sparse: expected unsigned char [usertype] msrc drivers/nvme/target/io-cmd-bdev.c:65:34: sparse: got restricted __le16 drivers/nvme/target/io-cmd-bdev.c:66:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] mssrl @@ got restricted __le32 [usertype] @@ drivers/nvme/target/io-cmd-bdev.c:66:35: sparse: expected restricted __le16 [usertype] mssrl drivers/nvme/target/io-cmd-bdev.c:66:35: sparse: got restricted __le32 [usertype] drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast to restricted __le32 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast from restricted __le16 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast to restricted __le32 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast from restricted __le16 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast to restricted __le32 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast from restricted __le16 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast to restricted __le32 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast from restricted __le16 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast to restricted __le32 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast from restricted __le16 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast to restricted __le32 drivers/nvme/target/io-cmd-bdev.c:68:35: sparse: sparse: cast from restricted __le16 drivers/nvme/target/io-cmd-bdev.c:68:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] mcl @@ got restricted __le64 [usertype] @@ drivers/nvme/target/io-cmd-bdev.c:68:33: sparse: expected restricted __le32 [usertype] mcl drivers/nvme/target/io-cmd-bdev.c:68:33: sparse: got restricted __le64 [usertype] -- drivers/nvme/target/admin-cmd.c:533:26: sparse: expected unsigned char [usertype] msrc drivers/nvme/target/admin-cmd.c:533:26: sparse: got restricted __le16 drivers/nvme/target/admin-cmd.c:534:27: sparse: expected restricted __le16 [usertype] mssrl drivers/nvme/target/admin-cmd.c:534:27: sparse: got restricted __le32 [usertype] drivers/nvme/target/admin-cmd.c:535:25: sparse: expected restricted __le32 [usertype] mcl drivers/nvme/target/admin-cmd.c:535:25: sparse: got restricted __le64 [usertype] vim +52 drivers/nvme/target/io-cmd-bdev.c 11 12 void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns *id) 13 { 14 const struct queue_limits *ql = &bdev_get_queue(bdev)->limits; 15 /* Number of logical blocks per physical block. */ 16 const u32 lpp = ql->physical_block_size / ql->logical_block_size; 17 /* Logical blocks per physical block, 0's based. */ 18 const __le16 lpp0b = to0based(lpp); 19 20 /* 21 * For NVMe 1.2 and later, bit 1 indicates that the fields NAWUN, 22 * NAWUPF, and NACWU are defined for this namespace and should be 23 * used by the host for this namespace instead of the AWUN, AWUPF, 24 * and ACWU fields in the Identify Controller data structure. If 25 * any of these fields are zero that means that the corresponding 26 * field from the identify controller data structure should be used. 27 */ 28 id->nsfeat |= 1 << 1; 29 id->nawun = lpp0b; 30 id->nawupf = lpp0b; 31 id->nacwu = lpp0b; 32 33 /* 34 * Bit 4 indicates that the fields NPWG, NPWA, NPDG, NPDA, and 35 * NOWS are defined for this namespace and should be used by 36 * the host for I/O optimization. 37 */ 38 id->nsfeat |= 1 << 4; 39 /* NPWG = Namespace Preferred Write Granularity. 0's based */ 40 id->npwg = lpp0b; 41 /* NPWA = Namespace Preferred Write Alignment. 0's based */ 42 id->npwa = id->npwg; 43 /* NPDG = Namespace Preferred Deallocate Granularity. 0's based */ 44 id->npdg = to0based(ql->discard_granularity / ql->logical_block_size); 45 /* NPDG = Namespace Preferred Deallocate Alignment */ 46 id->npda = id->npdg; 47 /* NOWS = Namespace Optimal Write Size */ 48 id->nows = to0based(ql->io_opt / ql->logical_block_size); 49 50 /*Copy limits*/ 51 if (ql->max_copy_sectors) { 54 ql->logical_block_size); 56 } else { 57 if (ql->zoned == BLK_ZONED_NONE) { 58 id->msrc = to0based(BIO_MAX_VECS); 59 id->mssrl = cpu_to_le32( 60 (BIO_MAX_VECS << PAGE_SHIFT) / ql->logical_block_size); 62 #ifdef CONFIG_BLK_DEV_ZONED 63 } else { 64 /* TODO: get right values for zoned device */ 65 id->msrc = to0based(BIO_MAX_VECS); 66 id->mssrl = cpu_to_le32(min((BIO_MAX_VECS << PAGE_SHIFT), 67 ql->chunk_sectors) / ql->logical_block_size); 68 id->mcl = cpu_to_le64(min(le32_to_cpu(id->mssrl) * BIO_MAX_VECS, 69 ql->chunk_sectors)); 70 #endif 71 } 72 } 73 } 74 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org