From: kernel test robot <lkp@intel.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [linux-stable-rc:linux-5.17.y 1443/2373] fs/io_uring.o: warning: objtool: io_req_prep()+0x4f: unreachable instruction
Date: Tue, 17 May 2022 17:59:46 +0800 [thread overview]
Message-ID: <202205171702.ifM3QFjG-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.17.y
head: e1382731ef4e5e1634896596ebe74e48b9ed2b73
commit: 0e76afd78907c78bb7f5c0cce17a4afecd2b126f [1443/2373] io_uring: defer splice/tee file validity check until command issue
config: x86_64-randconfig-c022-20220516 (https://download.01.org/0day-ci/archive/20220517/202205171702.ifM3QFjG-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=0e76afd78907c78bb7f5c0cce17a4afecd2b126f
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-5.17.y
git checkout 0e76afd78907c78bb7f5c0cce17a4afecd2b126f
# save the config file
mkdir build_dir && cp config build_dir/.config
make 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 >>):
fs/io_uring.c: In function '__io_submit_flush_completions':
fs/io_uring.c:2515:40: warning: variable 'prev' set but not used [-Wunused-but-set-variable]
2515 | struct io_wq_work_node *node, *prev;
| ^~~~
>> fs/io_uring.o: warning: objtool: io_req_prep()+0x4f: unreachable instruction
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-05-17 10:00 UTC|newest]
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