Guys, can anybody help me out. Why is the kernel test robot complaining
here?
Thanks in advance,
Christian.
Am 05.11.20 um 16:26 schrieb kernel test robot:
tree: git://anongit.freedesktop.org/drm/drm-misc for-linux-next
head: 2b5b95b1ff3d70a95013a45e3b5b90f1daf42348
commit: 2b5b95b1ff3d70a95013a45e3b5b90f1daf42348 [2/2] mm: introduce vma_set_file function v4
config: h8300-randconfig-r031-20201105 (attached as .config)
compiler: h8300-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fraw.githubusercontent.com%2Fintel%2Flkp-tests%2Fmaster%2Fsbin%2Fmake.cross&data=04%7C01%7Cchristian.koenig%40amd.com%7C2c3b39afc651426aa50608d8819f48fc%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637401871204724096%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=dK2txO1WerkR7SiB5i9kcXjbJTMlaQ1Q6dbK1cb9lnE%3D&reserved=0 -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add drm-drm-misc git://anongit.freedesktop.org/drm/drm-misc
git fetch --no-tags drm-drm-misc for-linux-next
git checkout 2b5b95b1ff3d70a95013a45e3b5b90f1daf42348
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
h8300-linux-ld: section .init.text LMA [00000000004da400,000000000051ebcb] overlaps section .text LMA [000000000000025c,0000000001069997]
h8300-linux-ld: section .data VMA [0000000000400000,00000000004da3ff] overlaps section .text VMA [000000000000025c,0000000001069997]
h8300-linux-ld: drivers/dma-buf/dma-buf.o: in function `dma_buf_mmap':
drivers/dma-buf/dma-buf.c:1186: undefined reference to `vma_set_file'
vim +1186 drivers/dma-buf/dma-buf.c
1150
1151
1152 /**
1153 * dma_buf_mmap - Setup up a userspace mmap with the given vma
1154 * @dmabuf: [in] buffer that should back the vma
1155 * @vma: [in] vma for the mmap
1156 * @pgoff: [in] offset in pages where this mmap should start within the
1157 * dma-buf buffer.
1158 *
1159 * This function adjusts the passed in vma so that it points at the file of the
1160 * dma_buf operation. It also adjusts the starting pgoff and does bounds
1161 * checking on the size of the vma. Then it calls the exporters mmap function to
1162 * set up the mapping.
1163 *
1164 * Can return negative error values, returns 0 on success.
1165 */
1166 int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
1167 unsigned long pgoff)
1168 {
1169 if (WARN_ON(!dmabuf || !vma))
1170 return -EINVAL;
1171
1172 /* check if buffer supports mmap */
1173 if (!dmabuf->ops->mmap)
1174 return -EINVAL;
1175
1176 /* check for offset overflow */
1177 if (pgoff + vma_pages(vma) < pgoff)
1178 return -EOVERFLOW;
1179
1180 /* check for overflowing the buffer's size */
1181 if (pgoff + vma_pages(vma) >
1182 dmabuf->size >> PAGE_SHIFT)
1183 return -EINVAL;
1184
1185 /* readjust the vma */
1186 vma_set_file(vma, dmabuf->file);
1187 vma->vm_pgoff = pgoff;
1188
1189 return dmabuf->ops->mmap(dmabuf, vma);
1190 }
1191 EXPORT_SYMBOL_GPL(dma_buf_mmap);
1192
---
0-DAY CI Kernel Test Service, Intel Corporation
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