Hi Simona, kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20250527] [also build test WARNING on linus/master v6.15] [cannot apply to v6.15 v6.15-rc7 v6.15-rc6] [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/Simona-Vetter/drm-gem-Fix-race-in-drm_gem_handle_create_tail/20250528-171524 base: next-20250527 patch link: https://lore.kernel.org/r/20250528091307.1894940-3-simona.vetter%40ffwll.ch patch subject: [PATCH 2/8] drm/fdinfo: Switch to idr_for_each() in drm_show_memory_stats() config: riscv-randconfig-001-20250529 (https://download.01.org/0day-ci/archive/20250529/202505290334.gjoy9qsk-...@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250529/202505290334.gjoy9qsk-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505290334.gjoy9qsk-...@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/drm_file.c:916:3: warning: variable 'drm_data' is >> uninitialized when used here [-Wuninitialized] 916 | drm_data->supported_status |= s; | ^~~~~~~~ drivers/gpu/drm/drm_file.c:903:36: note: initialize the variable 'drm_data' to silence this warning 903 | struct drm_bo_print_data *drm_data; | ^ | = NULL 1 warning generated. vim +/drm_data +916 drivers/gpu/drm/drm_file.c 899 900 static int 901 drm_bo_memory_stats(int id, void *ptr, void *data) 902 { 903 struct drm_bo_print_data *drm_data; 904 struct drm_gem_object *obj = ptr; 905 enum drm_gem_object_status s = 0; 906 size_t add_size; 907 908 if (!obj) 909 return 0; 910 911 add_size = (obj->funcs && obj->funcs->rss) ? 912 obj->funcs->rss(obj) : obj->size; 913 914 if (obj->funcs && obj->funcs->status) { 915 s = obj->funcs->status(obj); > 916 drm_data->supported_status |= s; 917 } 918 919 if (drm_gem_object_is_shared_for_memory_stats(obj)) 920 drm_data->status.shared += obj->size; 921 else 922 drm_data->status.private += obj->size; 923 924 if (s & DRM_GEM_OBJECT_RESIDENT) { 925 drm_data->status.resident += add_size; 926 } else { 927 /* If already purged or not yet backed by pages, don't 928 * count it as purgeable: 929 */ 930 s &= ~DRM_GEM_OBJECT_PURGEABLE; 931 } 932 933 if (!dma_resv_test_signaled(obj->resv, dma_resv_usage_rw(true))) { 934 drm_data->status.active += add_size; 935 drm_data->supported_status |= DRM_GEM_OBJECT_ACTIVE; 936 937 /* If still active, don't count as purgeable: */ 938 s &= ~DRM_GEM_OBJECT_PURGEABLE; 939 } 940 941 if (s & DRM_GEM_OBJECT_PURGEABLE) 942 drm_data->status.purgeable += add_size; 943 944 return 0; 945 } 946 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
