"Chen, Rong A" <rong.a.chen@xxxxxxxxx> writes: > Hi Gabriel, > > On 7/21/2021 3:49 AM, Dan Carpenter wrote: >> On Mon, Jul 19, 2021 at 10:36:54AM -0400, Gabriel Krisman Bertazi >> wrote: >>> kernel test robot <lkp@xxxxxxxxx> writes: >>> >>>> Hi Gabriel, >>>> >>>> I love your patch! Yet something to improve: >>>> >>>> [auto build test ERROR on ext3/fsnotify] >>>> [also build test ERROR on ext4/dev linus/master v5.13 next-20210629] >>>> [cannot apply to tytso-fscrypt/master] >>>> [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 ] >>>> >>>> url: https://github.com/0day-ci/linux/commits/Gabriel-Krisman-Bertazi/File-system-wide-monitoring/20210630-031347 >>>> base: https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify >>>> config: arm64-allyesconfig (attached as .config) >>>> compiler: aarch64-linux-gcc (GCC) 9.3.0 >>>> 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://github.com/0day-ci/linux/commit/746524d8db08a041fed90e41b15c8e8ca69cb22d >>>> git remote add linux-review https://github.com/0day-ci/linux >>>> git fetch --no-tags linux-review Gabriel-Krisman-Bertazi/File-system-wide-monitoring/20210630-031347 >>>> git checkout 746524d8db08a041fed90e41b15c8e8ca69cb22d >>>> # save the attached .config to linux build tree >>>> mkdir build_dir >>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash samples/ >>>> >>>> If you fix the issue, kindly add following tag as appropriate >>>> Reported-by: kernel test robot <lkp@xxxxxxxxx> >>>> >>>> All errors (new ones prefixed by >>): >>>> >>>>>> samples/fanotify/fs-monitor.c:7:10: fatal error: errno.h: No such file or directory >>>> 7 | #include <errno.h> >>>> | ^~~~~~~~~ >>>> compilation terminated. >>> >>> Hi Dan, >>> >>> I'm not sure what's the proper fix here. Looks like 0day is not using >>> cross system libraries when building this user space code. Should I do >>> something special to silent it? > > It seems need extra libraries for arm64, we'll disable CONFIG_SAMPLES to > avoid reporting this error. There are kernel space code in samples/ that still benefit from the test robot. See ftrace/ftrace-direct-too.c for one instance. Perhaps it can be disabled just for userprogs-* Makefile entries in samples/ ? -- Gabriel Krisman Bertazi