[dhowells-fs:fscache-rewrite 26/64] fs/fscache/io.o: warning: objtool: fscache_begin_operation()+0x4a5: unreachable instruction

kernel test robot
2021-12-05T06:39:24Z

CC: linux-kernel@vger.kernel.org
TO: David Howells <dhowells@redhat.com>

tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-rewrite
head: f72d735845c0cf3811a85b9cddcf3a6785731b21
commit: 8b5446acd86a940041d04bf79c1f15cd7b9d41a5 [26/64] fscache: Implement higher-level write I/O interface
config: x86_64-randconfig-a015-20211205 (https://download.01.org/0day-ci/archive/20211205/202112051449.2PexhWVr-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237)
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/dhowells/linux-fs.git/commit/?id=8b5446acd86a940041d04bf79c1f15cd7b9d41a5
git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
git fetch --no-tags dhowells-fs fscache-rewrite
git checkout 8b5446acd86a940041d04bf79c1f15cd7b9d41a5
# 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 fs/ net/

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/fscache/io.o: warning: objtool: fscache_begin_operation()+0x4a5: unreachable instruction

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0-DAY CI Kernel Test Service, Intel Corporation