tree: https://android.googlesource.com/kernel/common android-4.14-stable head: 620d928acca50c8ba013554fc798dcf8b8910918 commit: 4d701a3899580b291122ab7b147bc20981afd349 [19275/25375] CHROMIUM: drm/virtio: rebase zero-copy patches to virgl/drm-misc-next config: i386-randconfig-s001-20211101 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android-4.14-stable git checkout 4d701a3899580b291122ab7b147bc20981afd349 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/virtio/virtgpu_vq.c:200:33: sparse: sparse: restricted __le32 degrades to integer drivers/gpu/drm/virtio/virtgpu_vq.c:200:43: sparse: sparse: restricted __le32 degrades to integer drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse: expected restricted __le64 [usertype] offset drivers/gpu/drm/virtio/virtgpu_vq.c:1130:23: sparse: got unsigned long long [usertype] offset vim +1130 drivers/gpu/drm/virtio/virtgpu_vq.c 1107 1108 void virtio_gpu_cmd_map(struct virtio_gpu_device *vgdev, 1109 struct virtio_gpu_object *bo, 1110 uint64_t offset, 1111 struct virtio_gpu_fence *fence) 1112 { 1113 struct virtio_gpu_resource_map *cmd_p; 1114 struct virtio_gpu_vbuffer *vbuf; 1115 struct virtio_gpu_resp_map_info *resp_buf; 1116 1117 resp_buf = kzalloc(sizeof(*resp_buf), GFP_KERNEL); 1118 if (!resp_buf) { 1119 DRM_ERROR("allocation failure\n"); 1120 return; 1121 } 1122 1123 cmd_p = virtio_gpu_alloc_cmd_resp(vgdev, 1124 virtio_gpu_cmd_resource_map_cb, &vbuf, sizeof(*cmd_p), 1125 sizeof(struct virtio_gpu_resp_map_info), resp_buf); 1126 memset(cmd_p, 0, sizeof(*cmd_p)); 1127 1128 cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_MAP); 1129 cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); 1131 1132 virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, &cmd_p->hdr, fence); 1133 } 1134 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org