[drm-intel:drm-intel-gt-next 5/10] drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c:248:3: error: implicit declaration of function 'wbinvd_on_all_cpus'

kernel test robot lkp at intel.com
Thu Oct 21 11:23:53 UTC 2021


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 at 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
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