On Mon, Nov 01, 2021 at 11:59:15PM +0800, kernel test robot wrote: > Hi Thomas, > > I love your patch! Yet something to improve: > > [auto build test ERROR on next-20211029] > [cannot apply to drm/drm-next shawnguo/for-next pinchartl-media/drm/du/next v5.15 v5.15-rc7 v5.15-rc6 v5.15] > [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/Thomas-Zimmermann/drm-Small-CMA-cleanups/20211101-161911 > base: bdcc9f6a568275aed4cc32fd2312432d2ff1b704 > config: x86_64-randconfig-a004-20211101 (attached as .config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 82ed106567063ea269c6d5669278b733e173a42f) > 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/c3c7ec5f9ccd90e78f0f2d3143505db4060bbf17 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Thomas-Zimmermann/drm-Small-CMA-cleanups/20211101-161911 > git checkout c3c7ec5f9ccd90e78f0f2d3143505db4060bbf17 > # save the attached .config to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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@xxxxxxxxx> > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> ERROR: modpost: module drm_cma_helper uses symbol dma_buf_vmap from namespace DMA_BUF, but does not import it. > >> ERROR: modpost: module drm_cma_helper uses symbol dma_buf_vunmap from namespace DMA_BUF, but does not import it. I guess this is simply because kbuild tests on top of linux-next, where the namespacing is a bit funny. We might need a fixup when we backmerge. Either way this looks like a good simplification to me, on the series: Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
