block/blk-ia-ranges.o: warning: objtool: disk_set_independent_access_ranges()+0x9c: unreachable instruction

kernel test robot
2021-12-13T11:11:45Z

CC: linux-kernel@vger.kernel.org
TO: Damien Le Moal <damien.lemoal@wdc.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: Hannes Reinecke <hare@suse.de>
CC: "Martin K. Petersen" <martin.petersen@oracle.com>
CC: Keith Busch <kbusch@kernel.org>

Hi Damien,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2585cf9dfaaddf00b069673f27bb3f8530e2039c
commit: a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 block: Add independent access ranges support
date: 7 weeks ago
config: x86_64-randconfig-r035-20211128 (https://download.01.org/0day-ci/archive/20211213/202112131933.TL1Ad5bo-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5c64d8ef8cc0c0ed3e0f2ae693d99e7f70f20a84)
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/torvalds/linux.git/commit/?id=a2247f19ee1c5ad75ef095cdfb909a3244b88aa8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a2247f19ee1c5ad75ef095cdfb909a3244b88aa8
# 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

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 >>):

>> block/blk-ia-ranges.o: warning: objtool: disk_set_independent_access_ranges()+0x9c: unreachable instruction

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0-DAY CI Kernel Test Service, Intel Corporation