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@xxxxxxxxx> 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@xxxxxxxxxxxx
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