Hi Yu, kernel test robot noticed the following build warnings: [auto build test WARNING on song-md/md-next] [also build test WARNING on linus/master v6.4-rc3 next-20230522] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/md-fix-duplicate-filename-for-rdev/20230522-221940 base: git://git.kernel.org/pub/scm/linux/kernel/git/song/md.git md-next patch link: https://lore.kernel.org/r/20230522133225.2983667-1-yukuai1%40huaweicloud.com patch subject: [PATCH v2] md: fix duplicate filename for rdev config: i386-defconfig (https://download.01.org/0day-ci/archive/20230523/202305230956.Zk6vAYvj-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/b6addfb36d27d4c98b397edec92ed6feeaf7afab git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yu-Kuai/md-fix-duplicate-filename-for-rdev/20230522-221940 git checkout b6addfb36d27d4c98b397edec92ed6feeaf7afab # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/md/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202305230956.Zk6vAYvj-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/md/md.c:90:33: warning: 'md_rdev_misc_wq' defined but not used [-Wunused-variable] 90 | static struct workqueue_struct *md_rdev_misc_wq; | ^~~~~~~~~~~~~~~ vim +/md_rdev_misc_wq +90 drivers/md/md.c edb39c9deda87d Goldwyn Rodrigues 2014-03-29 86 90b08710e41a07 Bernd Schubert 2008-05-23 87 static DECLARE_WAIT_QUEUE_HEAD(resync_wait); e804ac780e2f01 Tejun Heo 2010-10-15 88 static struct workqueue_struct *md_wq; e804ac780e2f01 Tejun Heo 2010-10-15 89 static struct workqueue_struct *md_misc_wq; cc1ffe61c026e2 Guoqing Jiang 2020-04-04 @90 static struct workqueue_struct *md_rdev_misc_wq; 90b08710e41a07 Bernd Schubert 2008-05-23 91 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
