Hi Danilo, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 0b45ac1170ea6416bc1d36798414c04870cd356d] url: https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230118-141552 base: 0b45ac1170ea6416bc1d36798414c04870cd356d patch link: https://lore.kernel.org/r/20230118061256.2689-12-dakr%40redhat.com patch subject: [PATCH drm-next 11/14] drm/nouveau: nvkm/vmm: implement raw ops to manage uvmm config: arc-randconfig-s051-20230119 (https://download.01.org/0day-ci/archive/20230120/202301201115.THLpCShO-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/5fca471110e52d7c8db10f9ff483134a546174a1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230118-141552 git checkout 5fca471110e52d7c8db10f9ff483134a546174a1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c:413:34: sparse: sparse: non size-preserving integer to pointer cast vim +413 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c 406 407 static int 408 nvkm_uvmm_mthd_raw_unmap(struct nvkm_uvmm *uvmm, struct nvif_vmm_raw_v0 *args) 409 { 410 struct nvkm_vmm *vmm = uvmm->vmm; 411 struct nvkm_vma *vma; 412 > 413 vma = (struct nvkm_vma *)args->handle; 414 if (!vma) 415 return -EINVAL; 416 417 mutex_lock(&vmm->mutex); 418 if (vma->busy) { 419 VMM_DEBUG(vmm, "denied %016llx: %d", vma->addr, vma->busy); 420 mutex_unlock(&vmm->mutex); 421 return -ENOENT; 422 } 423 vma->sparse = args->sparse; 424 nvkm_vmm_raw_unmap_locked(vmm, vma); 425 mutex_unlock(&vmm->mutex); 426 427 args->handle = 0; 428 kfree(vma); 429 return 0; 430 } 431 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests