On 11/19/19 12:43 AM, Daniel Vetter wrote: > On Mon, Nov 18, 2019 at 4:23 PM kbuild test robot wrote: >> Hi Daniel, >> >> I love your patch! Yet something to improve: >> >> [auto build test ERROR on drm-intel/for-linux-next] >> [also build test ERROR on v5.4-rc8 next-20191115] >> [if your patch is applied to the wrong git tree, please drop us a note to help >> improve the system. BTW, we also suggest to use '--base' option to specify the >> base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > Too old tree, on latest drm-tip this compiles since udl has lots its > own dma-buf implementation. Also, the patch set will start to compile > once linux-next is open for 5.6. > > Cheers, Daniel Hi Daniel, Thanks for clarifying, we'll take a look at the wrong base. Best Regards, Rong Chen > >> url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/Retire-dma_buf_k-un-map/20191118-184537 >> base: git://anongit.freedesktop.org/drm-intel for-linux-next >> config: m68k-allmodconfig (attached as .config) >> compiler: m68k-linux-gcc (GCC) 7.4.0 >> reproduce: >> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >> chmod +x ~/bin/make.cross >> # save the attached .config to linux build tree >> GCC_VERSION=7.4.0 make.cross ARCH=m68k >> >> If you fix the issue, kindly add following tag >> Reported-by: kbuild test robot >> >> All errors (new ones prefixed by >>): >> >>>> drivers/dma-buf/udmabuf.c:114:3: error: 'const struct dma_buf_ops' has no member named 'map'; did you mean 'mmap'? >> .map = kmap_udmabuf, >> ^~~ >> mmap >>>> drivers/dma-buf/udmabuf.c:114:12: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] >> .map = kmap_udmabuf, >> ^~~~~~~~~~~~ >> drivers/dma-buf/udmabuf.c:114:12: note: (near initialization for 'udmabuf_ops.begin_cpu_access') >>>> drivers/dma-buf/udmabuf.c:115:3: error: 'const struct dma_buf_ops' has no member named 'unmap'; did you mean 'vunmap'? >> .unmap = kunmap_udmabuf, >> ^~~~~ >> vunmap >> drivers/dma-buf/udmabuf.c:115:14: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] >> .unmap = kunmap_udmabuf, >> ^~~~~~~~~~~~~~ >> drivers/dma-buf/udmabuf.c:115:14: note: (near initialization for 'udmabuf_ops.end_cpu_access') >> cc1: some warnings being treated as errors >> -- >>>> drivers/gpu/drm/udl/udl_dmabuf.c:169:3: error: 'const struct dma_buf_ops' has no member named 'map'; did you mean 'mmap'? >> .map = udl_dmabuf_kmap, >> ^~~ >> mmap >>>> drivers/gpu/drm/udl/udl_dmabuf.c:169:11: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] >> .map = udl_dmabuf_kmap, >> ^~~~~~~~~~~~~~~ >> drivers/gpu/drm/udl/udl_dmabuf.c:169:11: note: (near initialization for 'udl_dmabuf_ops.release') >>>> drivers/gpu/drm/udl/udl_dmabuf.c:170:3: error: 'const struct dma_buf_ops' has no member named 'unmap'; did you mean 'vunmap'? >> .unmap = udl_dmabuf_kunmap, >> ^~~~~ >> vunmap >> drivers/gpu/drm/udl/udl_dmabuf.c:170:13: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] >> .unmap = udl_dmabuf_kunmap, >> ^~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/udl/udl_dmabuf.c:170:13: note: (near initialization for 'udl_dmabuf_ops.begin_cpu_access') >> cc1: some warnings being treated as errors >> >> vim +114 drivers/dma-buf/udmabuf.c >> >> fbb0de79507819 Gerd Hoffmann 2018-08-27 109 >> a34852891ba45d Gerd Hoffmann 2018-09-11 110 static const struct dma_buf_ops udmabuf_ops = { >> fbb0de79507819 Gerd Hoffmann 2018-08-27 111 .map_dma_buf = map_udmabuf, >> fbb0de79507819 Gerd Hoffmann 2018-08-27 112 .unmap_dma_buf = unmap_udmabuf, >> fbb0de79507819 Gerd Hoffmann 2018-08-27 113 .release = release_udmabuf, >> fbb0de79507819 Gerd Hoffmann 2018-08-27 @114 .map = kmap_udmabuf, >> fbb0de79507819 Gerd Hoffmann 2018-08-27 @115 .unmap = kunmap_udmabuf, >> fbb0de79507819 Gerd Hoffmann 2018-08-27 116 .mmap = mmap_udmabuf, >> fbb0de79507819 Gerd Hoffmann 2018-08-27 117 }; >> fbb0de79507819 Gerd Hoffmann 2018-08-27 118 >> >> :::::: The code at line 114 was first introduced by commit >> :::::: fbb0de795078190a9834b3409e4b009cfb18a6d4 Add udmabuf misc device >> >> :::::: TO: Gerd Hoffmann >> :::::: CC: Gerd Hoffmann >> >> --- >> 0-DAY kernel test infrastructure Open Source Technology Center >> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation > >