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/545d8003c8da8397f0fa9657f97ed67441dd1087 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 545d8003c8da8397f0fa9657f97ed67441dd1087 # 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:417:6: warning: no previous prototype for 'svm_range_add_child' [-Wmissing-prototypes] 417 | void svm_range_add_child(struct svm_range *prange, struct mm_struct *mm, | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:511:19: warning: no previous prototype for 'svm_range_clone' [-Wmissing-prototypes] 511 | struct svm_range *svm_range_clone(struct svm_range *old) | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:766:1: warning: no previous prototype for 'svm_range_add_list_work' [-Wmissing-prototypes] 766 | svm_range_add_list_work(struct svm_range_list *svms, struct svm_range *prange, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:788:6: warning: no previous prototype for 'schedule_deferred_list_work' [-Wmissing-prototypes] 788 | void schedule_deferred_list_work(struct svm_range_list *svms) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/svm_range_add_child +417 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c 416 > 417 void svm_range_add_child(struct svm_range *prange, struct mm_struct *mm, 418 struct svm_range *pchild, enum svm_work_list_ops op) 419 { 420 pr_debug("add child 0x%p [0x%lx 0x%lx] to prange 0x%p child list %d\n", 421 pchild, pchild->start, pchild->last, prange, op); 422 423 pchild->work_item.mm = mm; 424 pchild->work_item.op = op; 425 list_add_tail(&pchild->child_list, &prange->child_list); 426 } 427 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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