Hi Danilo, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 48075a66fca613477ac1969b576a93ef5db0164f] url: https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230217-215101 base: 48075a66fca613477ac1969b576a93ef5db0164f patch link: https://lore.kernel.org/r/20230217134422.14116-6-dakr%40redhat.com patch subject: [PATCH drm-next v2 05/16] drm: manager to keep track of GPUs VA mappings config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230218/202302180805.b0ab40V5-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/00132cc92b6745cfd51c0d5df4c246a848f2ceaa 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/20230217-215101 git checkout 00132cc92b6745cfd51c0d5df4c246a848f2ceaa # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302180805.b0ab40V5-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/drm_gpuva_mgr.c:1383:5: warning: no previous prototype for 'drm_gpuva_sm_step' [-Wmissing-prototypes] 1383 | int drm_gpuva_sm_step(struct drm_gpuva_op *__op, void *priv) | ^~~~~~~~~~~~~~~~~ -- >> drivers/gpu/drm/drm_gpuva_mgr.c:529: warning: expecting prototype for drm_gpuva_remove_iter(). Prototype was for drm_gpuva_iter_remove() instead drivers/gpu/drm/drm_gpuva_mgr.c:549: warning: Excess function parameter 'addr' description in 'drm_gpuva_insert' drivers/gpu/drm/drm_gpuva_mgr.c:549: warning: Excess function parameter 'range' description in 'drm_gpuva_insert' drivers/gpu/drm/drm_gpuva_mgr.c:765: warning: Excess function parameter 'addr' description in 'drm_gpuva_region_insert' drivers/gpu/drm/drm_gpuva_mgr.c:765: warning: Excess function parameter 'range' description in 'drm_gpuva_region_insert' drivers/gpu/drm/drm_gpuva_mgr.c:1345: warning: Excess function parameter 'ops' description in 'drm_gpuva_sm_unmap' drivers/gpu/drm/drm_gpuva_mgr.c:1589: warning: Function parameter or member 'addr' not described in 'drm_gpuva_prefetch_ops_create' drivers/gpu/drm/drm_gpuva_mgr.c:1589: warning: Function parameter or member 'range' not described in 'drm_gpuva_prefetch_ops_create' drivers/gpu/drm/drm_gpuva_mgr.c:1589: warning: Excess function parameter 'req_addr' description in 'drm_gpuva_prefetch_ops_create' drivers/gpu/drm/drm_gpuva_mgr.c:1589: warning: Excess function parameter 'req_range' description in 'drm_gpuva_prefetch_ops_create' vim +/drm_gpuva_sm_step +1383 drivers/gpu/drm/drm_gpuva_mgr.c 1382 > 1383 int drm_gpuva_sm_step(struct drm_gpuva_op *__op, void *priv) 1384 { 1385 struct { 1386 struct drm_gpuva_manager *mgr; 1387 struct drm_gpuva_ops *ops; 1388 } *args = priv; 1389 struct drm_gpuva_manager *mgr = args->mgr; 1390 struct drm_gpuva_ops *ops = args->ops; 1391 struct drm_gpuva_op *op; 1392 1393 op = gpuva_op_alloc(mgr); 1394 if (unlikely(!op)) 1395 goto err; 1396 1397 memcpy(op, __op, sizeof(*op)); 1398 1399 if (op->op == DRM_GPUVA_OP_REMAP) { 1400 struct drm_gpuva_op_remap *__r = &__op->remap; 1401 struct drm_gpuva_op_remap *r = &op->remap; 1402 1403 r->unmap = kmemdup(__r->unmap, sizeof(*r->unmap), 1404 GFP_KERNEL); 1405 if (unlikely(!r->unmap)) 1406 goto err_free_op; 1407 1408 if (__r->prev) { 1409 r->prev = kmemdup(__r->prev, sizeof(*r->prev), 1410 GFP_KERNEL); 1411 if (unlikely(!r->prev)) 1412 goto err_free_unmap; 1413 } 1414 1415 if (__r->next) { 1416 r->next = kmemdup(__r->next, sizeof(*r->next), 1417 GFP_KERNEL); 1418 if (unlikely(!r->next)) 1419 goto err_free_prev; 1420 } 1421 } 1422 1423 list_add_tail(&op->entry, &ops->list); 1424 1425 return 0; 1426 1427 err_free_unmap: 1428 kfree(op->remap.unmap); 1429 err_free_prev: 1430 kfree(op->remap.prev); 1431 err_free_op: 1432 gpuva_op_free(mgr, op); 1433 err: 1434 return -ENOMEM; 1435 } 1436 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
