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: microblaze-buildonly-randconfig-r003-20220207 (https://download.01.org/0day-ci/archive/20220208/202202080206.J6kilCeY-lkp@intel.com/config) compiler: microblaze-linux-gcc (GCC) 11.2.0 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 # 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=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/nvme/target/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from include/linux/byteorder/big_endian.h:5, from arch/microblaze/include/uapi/asm/byteorder.h:8, from include/asm-generic/bitops/le.h:6, from include/asm-generic/bitops.h:35, from ./arch/microblaze/include/generated/asm/bitops.h:1, from include/linux/bitops.h:33, from include/linux/log2.h:12, from include/asm-generic/div64.h:55, from ./arch/microblaze/include/generated/asm/div64.h:1, from include/linux/math.h:5, from include/linux/math64.h:6, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from drivers/nvme/target/admin-cmd.c:7: drivers/nvme/target/admin-cmd.c: In function 'nvmet_execute_identify_ns': >> include/uapi/linux/byteorder/big_endian.h:34:26: warning: conversion from 'unsigned int' to '__le16' {aka 'short unsigned int'} changes value from '524288' to '0' [-Woverflow] 34 | #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) | ^ include/linux/byteorder/generic.h:88:21: note: in expansion of macro '__cpu_to_le32' 88 | #define cpu_to_le32 __cpu_to_le32 | ^~~~~~~~~~~~~ drivers/nvme/target/admin-cmd.c:534:29: note: in expansion of macro 'cpu_to_le32' 534 | id->mssrl = cpu_to_le32(BIO_MAX_VECS << (PAGE_SHIFT - SECTOR_SHIFT)); | ^~~~~~~~~~~ vim +34 include/uapi/linux/byteorder/big_endian.h 5921e6f8809b161 David Howells 2012-10-13 15 5921e6f8809b161 David Howells 2012-10-13 16 #define __constant_htonl(x) ((__force __be32)(__u32)(x)) 5921e6f8809b161 David Howells 2012-10-13 17 #define __constant_ntohl(x) ((__force __u32)(__be32)(x)) 5921e6f8809b161 David Howells 2012-10-13 18 #define __constant_htons(x) ((__force __be16)(__u16)(x)) 5921e6f8809b161 David Howells 2012-10-13 19 #define __constant_ntohs(x) ((__force __u16)(__be16)(x)) 5921e6f8809b161 David Howells 2012-10-13 20 #define __constant_cpu_to_le64(x) ((__force __le64)___constant_swab64((x))) 5921e6f8809b161 David Howells 2012-10-13 21 #define __constant_le64_to_cpu(x) ___constant_swab64((__force __u64)(__le64)(x)) 5921e6f8809b161 David Howells 2012-10-13 22 #define __constant_cpu_to_le32(x) ((__force __le32)___constant_swab32((x))) 5921e6f8809b161 David Howells 2012-10-13 23 #define __constant_le32_to_cpu(x) ___constant_swab32((__force __u32)(__le32)(x)) 5921e6f8809b161 David Howells 2012-10-13 24 #define __constant_cpu_to_le16(x) ((__force __le16)___constant_swab16((x))) 5921e6f8809b161 David Howells 2012-10-13 25 #define __constant_le16_to_cpu(x) ___constant_swab16((__force __u16)(__le16)(x)) 5921e6f8809b161 David Howells 2012-10-13 26 #define __constant_cpu_to_be64(x) ((__force __be64)(__u64)(x)) 5921e6f8809b161 David Howells 2012-10-13 27 #define __constant_be64_to_cpu(x) ((__force __u64)(__be64)(x)) 5921e6f8809b161 David Howells 2012-10-13 28 #define __constant_cpu_to_be32(x) ((__force __be32)(__u32)(x)) 5921e6f8809b161 David Howells 2012-10-13 29 #define __constant_be32_to_cpu(x) ((__force __u32)(__be32)(x)) 5921e6f8809b161 David Howells 2012-10-13 30 #define __constant_cpu_to_be16(x) ((__force __be16)(__u16)(x)) 5921e6f8809b161 David Howells 2012-10-13 31 #define __constant_be16_to_cpu(x) ((__force __u16)(__be16)(x)) 5921e6f8809b161 David Howells 2012-10-13 32 #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) 5921e6f8809b161 David Howells 2012-10-13 33 #define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x)) 5921e6f8809b161 David Howells 2012-10-13 @34 #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) 5921e6f8809b161 David Howells 2012-10-13 35 #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) 5921e6f8809b161 David Howells 2012-10-13 36 #define __cpu_to_le16(x) ((__force __le16)__swab16((x))) 5921e6f8809b161 David Howells 2012-10-13 37 #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) 5921e6f8809b161 David Howells 2012-10-13 38 #define __cpu_to_be64(x) ((__force __be64)(__u64)(x)) 5921e6f8809b161 David Howells 2012-10-13 39 #define __be64_to_cpu(x) ((__force __u64)(__be64)(x)) 5921e6f8809b161 David Howells 2012-10-13 40 #define __cpu_to_be32(x) ((__force __be32)(__u32)(x)) 5921e6f8809b161 David Howells 2012-10-13 41 #define __be32_to_cpu(x) ((__force __u32)(__be32)(x)) 5921e6f8809b161 David Howells 2012-10-13 42 #define __cpu_to_be16(x) ((__force __be16)(__u16)(x)) 5921e6f8809b161 David Howells 2012-10-13 43 #define __be16_to_cpu(x) ((__force __u16)(__be16)(x)) 5921e6f8809b161 David Howells 2012-10-13 44 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org