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 > > 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 -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch