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? I'm not the person to ask, I just look at Smatch warnings. Rong Chen might know the answer. regards, dan carpenter