[djwong-xfs:vectorized-scrub 284/300] fs/iomap/buffered-io.o: warning: objtool: iomap_dirty_range()+0x3eb: unreachable instruction

kernel test robot
2021-12-16T13:35:05Z

CC: "Darrick J. Wong" <darrick.wong@oracle.com>
CC: linux-kernel@vger.kernel.org
TO: "Darrick J. Wong" <djwong@kernel.org>

tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git vectorized-scrub
head: 57569114e72124aebbe2ad863138fe8c5d19e1c1
commit: 7ce91d85f50da47ca729f30c17d6db3883d71807 [284/300] iomap: set up for COWing around pages
config: x86_64-randconfig-a011-20211216 (https://download.01.org/0day-ci/archive/20211216/202112162159.ZBckCs9v-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dd245bab9fbb364faa1581e4f92ba3119a872fba)
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://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=7ce91d85f50da47ca729f30c17d6db3883d71807
git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
git fetch --no-tags djwong-xfs vectorized-scrub
git checkout 7ce91d85f50da47ca729f30c17d6db3883d71807
# 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=x86_64 SHELL=/bin/bash arch/x86/kernel/cpu/ fs/iomap/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> fs/iomap/buffered-io.o: warning: objtool: iomap_dirty_range()+0x3eb: unreachable instruction

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0-DAY CI Kernel Test Service, Intel Corporation