Hi Xuan, kernel test robot noticed the following build warnings: [auto build test WARNING on mst-vhost/linux-next] [also build test WARNING on linus/master v6.7-rc6] [cannot apply to net-next/main horms-ipvs/master next-20231222] [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/Xuan-Zhuo/virtio_net-introduce-device-stats-feature-and-structures/20231222-175505 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next patch link: https://lore.kernel.org/r/20231222033021.20649-4-xuanzhuo%40linux.alibaba.com patch subject: [PATCH net-next 3/6] virtio_net: support device stats config: arm-defconfig (https://download.01.org/0day-ci/archive/20231224/202312240041.YOiIXVkG-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231224/202312240041.YOiIXVkG-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/202312240041.YOiIXVkG-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/net/virtio_net.c:224:2: warning: shift count >= width of type [-Wshift-count-overflow] VIRTNET_DEVICE_STATS_MAP_ITEM(CVQ, cvq, CQ), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/virtio_net.c:215:3: note: expanded from macro 'VIRTNET_DEVICE_STATS_MAP_ITEM' VIRTIO_NET_STATS_TYPE_##TYPE, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ <scratch space>:61:1: note: expanded from here VIRTIO_NET_STATS_TYPE_CVQ ^~~~~~~~~~~~~~~~~~~~~~~~~ include/uapi/linux/virtio_net.h:419:45: note: expanded from macro 'VIRTIO_NET_STATS_TYPE_CVQ' #define VIRTIO_NET_STATS_TYPE_CVQ (1L << 32) ^ ~~ 1 warning generated. vim +224 drivers/net/virtio_net.c 212 213 #define VIRTNET_DEVICE_STATS_MAP_ITEM(TYPE, type, queue_type) \ 214 { \ 215 VIRTIO_NET_STATS_TYPE_##TYPE, \ 216 sizeof(struct virtio_net_stats_ ## type), \ 217 ARRAY_SIZE(virtnet_stats_ ## type ##_desc), \ 218 VIRTNET_STATS_Q_TYPE_##queue_type, \ 219 VIRTIO_NET_STATS_TYPE_REPLY_##TYPE, \ 220 &virtnet_stats_##type##_desc[0] \ 221 } 222 223 static struct virtnet_stats_map virtio_net_stats_map[] = { > 224 VIRTNET_DEVICE_STATS_MAP_ITEM(CVQ, cvq, CQ), 225 226 VIRTNET_DEVICE_STATS_MAP_ITEM(RX_BASIC, rx_basic, RX), 227 VIRTNET_DEVICE_STATS_MAP_ITEM(RX_CSUM, rx_csum, RX), 228 VIRTNET_DEVICE_STATS_MAP_ITEM(RX_GSO, rx_gso, RX), 229 VIRTNET_DEVICE_STATS_MAP_ITEM(RX_SPEED, rx_speed, RX), 230 231 VIRTNET_DEVICE_STATS_MAP_ITEM(TX_BASIC, tx_basic, TX), 232 VIRTNET_DEVICE_STATS_MAP_ITEM(TX_CSUM, tx_csum, TX), 233 VIRTNET_DEVICE_STATS_MAP_ITEM(TX_GSO, tx_gso, TX), 234 VIRTNET_DEVICE_STATS_MAP_ITEM(TX_SPEED, tx_speed, TX), 235 }; 236 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
