Hi Ming, I love your patch! Perhaps something to improve: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.3-rc1 next-20230307] [cannot apply to char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ming-Lei/io_uring-add-IO_URING_F_FUSED-and-prepare-for-supporting-OP_FUSED_CMD/20230307-222928 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20230307141520.793891-13-ming.lei%40redhat.com patch subject: [PATCH V2 12/17] block: ublk_drv: cleanup ublk_copy_user_pages config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230308/202303080731.bXLTXesK-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/c375364124e3c63211e7edd23bb74d22a86d5194 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ming-Lei/io_uring-add-IO_URING_F_FUSED-and-prepare-for-supporting-OP_FUSED_CMD/20230307-222928 git checkout c375364124e3c63211e7edd23bb74d22a86d5194 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/block/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303080731.bXLTXesK-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/block/ublk_drv.c: In function 'ublk_map_io': >> drivers/block/ublk_drv.c:532:42: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 532 | import_single_range(dir, (void __user *)io->addr, | ^ drivers/block/ublk_drv.c: In function 'ublk_unmap_io': drivers/block/ublk_drv.c:553:42: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 553 | import_single_range(dir, (void __user *)io->addr, | ^ vim +532 drivers/block/ublk_drv.c 516 517 static int ublk_map_io(const struct ublk_queue *ubq, const struct request *req, 518 struct ublk_io *io) 519 { 520 const unsigned int rq_bytes = blk_rq_bytes(req); 521 522 /* 523 * no zero copy, we delay copy WRITE request data into ublksrv 524 * context and the big benefit is that pinning pages in current 525 * context is pretty fast, see ublk_pin_user_pages 526 */ 527 if (ublk_need_map_req(req)) { 528 struct iov_iter iter; 529 struct iovec iov; 530 const int dir = ITER_DEST; 531 > 532 import_single_range(dir, (void __user *)io->addr, 533 rq_bytes, &iov, &iter); 534 535 return ublk_copy_user_pages(req, &iter, dir); 536 } 537 return rq_bytes; 538 } 539 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
