tree:
git://anongit.freedesktop.org/drm-intel drm-intel-gt-next
head: ab5d964c001b9efffcbfa4d67a30186b67d79771
commit: a035154da45d19e09dc68454673ff257a660aece [5/10] drm/i915/dmabuf: add paranoid
flush-on-acquire
config: x86_64-randconfig-a004-20211021 (attached as .config)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
3cea2505fd8d99a9ba0cb625aecfe28a47c4e3f8)
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
git remote add drm-intel
git://anongit.freedesktop.org/drm-intel
git fetch --no-tags drm-intel drm-intel-gt-next
git checkout a035154da45d19e09dc68454673ff257a660aece
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
> drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c:248:3: error: implicit
declaration of function 'wbinvd_on_all_cpus'
[-Werror,-Wimplicit-function-declaration]
wbinvd_on_all_cpus();
^
1 error generated.
vim +/wbinvd_on_all_cpus +248 drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
232
233 static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
234 {
235 struct drm_i915_private *i915 = to_i915(obj->base.dev);
236 struct sg_table *pages;
237 unsigned int sg_page_sizes;
238
239 assert_object_held(obj);
240
241 pages = dma_buf_map_attachment(obj->base.import_attach,
242 DMA_BIDIRECTIONAL);
243 if (IS_ERR(pages))
244 return PTR_ERR(pages);
245
246 /* XXX: consider doing a vmap flush or something */
247 if (!HAS_LLC(i915) || i915_gem_object_can_bypass_llc(obj))
248 wbinvd_on_all_cpus();
249
250 sg_page_sizes = i915_sg_dma_sizes(pages->sgl);
251 __i915_gem_object_set_pages(obj, pages, sg_page_sizes);
252
253 return 0;
254 }
255
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org