On 11/19/19 12:43 AM, Daniel Vetter wrote:
On Mon, Nov 18, 2019 at 4:23 PM kbuild test robot <lkp@xxxxxxxxx> 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 <lkp@xxxxxxxxx>
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 <kraxel@xxxxxxxxxx>
:::::: CC: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
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