Hi Brian, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on xfs-linux/for-next] [also build test WARNING on v5.9-rc7] [cannot apply to next-20201002] [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/Brian-Foster/iomap-avoid-soft-lockup-warnings-on-large-ioends/20201002-233417 base: https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next config: arm64-randconfig-r014-20201002 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b) 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/bfa33e76564c1e273d89f17ec39c1c5fd305c763 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Brian-Foster/iomap-avoid-soft-lockup-warnings-on-large-ioends/20201002-233417 git checkout bfa33e76564c1e273d89f17ec39c1c5fd305c763 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> fs/xfs/xfs_aops.c:250:22: warning: signed shift result (0x100000000) requires 34 bits to represent, but 'int' only has 32 bits [-Wshift-overflow] (ioend->io_size >= XFS_LARGE_IOEND); ^~~~~~~~~~~~~~~ fs/xfs/xfs_aops.c:38:33: note: expanded from macro 'XFS_LARGE_IOEND' #define XFS_LARGE_IOEND (262144 << PAGE_SHIFT) ~~~~~~ ^ ~~~~~~~~~~ 1 warning generated. vim +/int +250 fs/xfs/xfs_aops.c 244 245 static inline bool xfs_ioend_needs_workqueue(struct iomap_ioend *ioend) 246 { 247 return ioend->io_private || 248 ioend->io_type == IOMAP_UNWRITTEN || 249 (ioend->io_flags & IOMAP_F_SHARED) || > 250 (ioend->io_size >= XFS_LARGE_IOEND); 251 } 252 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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