Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on krzk-mem-ctrl/for-next] [also build test WARNING on cxl/next linus/master v6.7-rc2 next-20231124] [cannot apply to cxl/pending] [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/shiju-jose-huawei-com/cxl-mbox-Add-GET_SUPPORTED_FEATURES-mailbox-command/20231124-014622 base: https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git for-next patch link: https://lore.kernel.org/r/20231123174355.1176-12-shiju.jose%40huawei.com patch subject: [PATCH v3 11/11] cxl: scrub: sysfs: Add Documentation for CXL memory device scrub control attributes reproduce: (https://download.01.org/0day-ci/archive/20231124/202311241516.q6nNPm9h-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311241516.q6nNPm9h-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Warning: /sys/class/scrub/ is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:0 ./Documentation/ABI/testing/sysfs-class-scrub-configure:0 >> Warning: /sys/class/scrub/scrubX/ is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:8 ./Documentation/ABI/testing/sysfs-class-scrub-configure:8 >> Warning: /sys/class/scrub/scrubX/name is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:16 ./Documentation/ABI/testing/sysfs-class-scrub-configure:16 >> Warning: /sys/class/scrub/scrubX/regionY/ is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:23 ./Documentation/ABI/testing/sysfs-class-scrub-configure:23 >> Warning: /sys/class/scrub/scrubX/regionY/enable is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:34 ./Documentation/ABI/testing/sysfs-class-scrub-configure:56 >> Warning: /sys/class/scrub/scrubX/regionY/speed is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:43 ./Documentation/ABI/testing/sysfs-class-scrub-configure:74 >> Warning: /sys/class/scrub/scrubX/regionY/speed_available is defined 2 times: ./Documentation/ABI/testing/sysfs-class-cxl-scrub-configure:52 ./Documentation/ABI/testing/sysfs-class-scrub-configure:65 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki