[PATCH 03/34] drm/amdkfd: register svm range

[kernel test robot]

Hi Felix,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20210331]
[cannot apply to drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master drm/drm-next v5.12-rc5 v5.12-rc4 v5.12-rc3 v5.12-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Felix-Kuehling/Add-HMM-based-SVM-memory-manager-to-KFD-v3/20210401-122712
base:    7a43c78d0573e0bbbb0456b033e2b9a895b89464
config: x86_64-randconfig-a011-20210401 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/55f4d035262443207d455427967806e33fb85c06
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Felix-Kuehling/Add-HMM-based-SVM-memory-manager-to-KFD-v3/20210401-122712
        git checkout 55f4d035262443207d455427967806e33fb85c06
        # save the attached .config to linux build tree
        make 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 warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:380:19: warning: no previous prototype for 'svm_range_clone' [-Wmissing-prototypes]
     380 | struct svm_range *svm_range_clone(struct svm_range *old)
         |                   ^~~~~~~~~~~~~~~


vim +/svm_range_clone +380 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c

   379	
 > 380	struct svm_range *svm_range_clone(struct svm_range *old)
   381	{
   382		struct svm_range *new;
   383	
   384		new = svm_range_new(old->svms, old->start, old->last);
   385		if (!new)
   386			return NULL;
   387	
   388		new->flags = old->flags;
   389		new->preferred_loc = old->preferred_loc;
   390		new->prefetch_loc = old->prefetch_loc;
   391		new->actual_loc = old->actual_loc;
   392		new->granularity = old->granularity;
   393		bitmap_copy(new->bitmap_access, old->bitmap_access, MAX_GPU_INSTANCE);
   394		bitmap_copy(new->bitmap_aip, old->bitmap_aip, MAX_GPU_INSTANCE);
   395	
   396		return new;
   397	}
   398	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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