Hi Karolina, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.7-rc1 next-20231117] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Karolina-Stolarek/drm-ttm-tests-Add-tests-for-ttm_resource-and-ttm_sys_man/20231117-165755 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/fe0d1ba291b12e7b4671bee8b95812ac30a469df.1700207346.git.karolina.stolarek%40intel.com patch subject: [PATCH v7 6/8] drm/ttm/tests: Test simple BO creation and validation config: x86_64-randconfig-122-20231117 (https://download.01.org/0day-ci/archive/20231118/202311180247.4A61HKYG-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231118/202311180247.4A61HKYG-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311180247.4A61HKYG-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c:98:9: sparse: sparse: cast removes address space '__rcu' of expression >> drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c:98:9: sparse: sparse: cast removes address space '__rcu' of expression vim +/__rcu +98 drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c 59 60 KUNIT_ARRAY_PARAM(ttm_bo_types, ttm_bo_type_cases, 61 ttm_bo_validate_case_desc); 62 63 static void ttm_bo_init_reserved_sys_man(struct kunit *test) 64 { 65 const struct ttm_bo_validate_test_case *params = test->param_value; 66 struct ttm_test_devices *priv = test->priv; 67 struct ttm_buffer_object *bo; 68 struct ttm_place *place; 69 struct ttm_placement *placement; 70 enum ttm_bo_type bo_type = params->bo_type; 71 struct ttm_operation_ctx ctx = { }; 72 uint32_t size = ALIGN(BO_SIZE, PAGE_SIZE); 73 int err; 74 75 bo = kunit_kzalloc(test, sizeof(*bo), GFP_KERNEL); 76 KUNIT_ASSERT_NOT_NULL(test, bo); 77 78 place = ttm_place_kunit_init(test, TTM_PL_SYSTEM, 0); 79 placement = ttm_placement_kunit_init(test, place, 1, NULL, 0); 80 81 drm_gem_private_object_init(priv->drm, &bo->base, size); 82 83 err = ttm_bo_init_reserved(priv->ttm_dev, bo, bo_type, placement, 84 PAGE_SIZE, &ctx, NULL, NULL, 85 &dummy_ttm_bo_destroy); 86 dma_resv_unlock(bo->base.resv); 87 88 KUNIT_EXPECT_EQ(test, err, 0); 89 KUNIT_EXPECT_EQ(test, kref_read(&bo->kref), 1); 90 KUNIT_EXPECT_PTR_EQ(test, bo->bdev, priv->ttm_dev); 91 KUNIT_EXPECT_EQ(test, bo->type, bo_type); 92 KUNIT_EXPECT_EQ(test, bo->page_alignment, PAGE_SIZE); 93 KUNIT_EXPECT_PTR_EQ(test, bo->destroy, &dummy_ttm_bo_destroy); 94 KUNIT_EXPECT_EQ(test, bo->pin_count, 0); 95 KUNIT_EXPECT_NULL(test, bo->bulk_move); 96 KUNIT_EXPECT_NOT_NULL(test, bo->ttm); 97 KUNIT_EXPECT_FALSE(test, ttm_tt_is_populated(bo->ttm)); > 98 KUNIT_EXPECT_NOT_NULL(test, (void *)bo->base.resv->fences); 99 KUNIT_EXPECT_EQ(test, ctx.bytes_moved, size); 100 101 if (bo_type != ttm_bo_type_kernel) 102 KUNIT_EXPECT_TRUE(test, 103 drm_mm_node_allocated(&bo->base.vma_node.vm_node)); 104 105 ttm_resource_free(bo, &bo->resource); 106 ttm_bo_put(bo); 107 } 108 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
