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Message-ID: <dc506381-1408-46b7-9be0-403f819cee38@linux.dev> Date: Sun, 24 Dec 2023 16:55:08 +0800 From: Zhu Yanjun <yanjun.zhu@...ux.dev> To: kernel test robot <lkp@...el.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, netdev@...r.kernel.org Cc: oe-kbuild-all@...ts.linux.dev, "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, virtualization@...ts.linux.dev Subject: Re: [PATCH net-next 3/6] virtio_net: support device stats 在 2023/12/24 1:23, kernel test robot 写道: > 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: arc-haps_hs_defconfig (https://download.01.org/0day-ci/archive/20231224/202312240155.ow7kvQZO-lkp@intel.com/config) > compiler: arc-elf-gcc (GCC) 13.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231224/202312240155.ow7kvQZO-lkp@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 <lkp@...el.com> > | Closes: https://lore.kernel.org/oe-kbuild-all/202312240155.ow7kvQZO-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > In file included from include/linux/virtio_net.h:8, > from drivers/net/virtio_net.c:12: >>> include/uapi/linux/virtio_net.h:419:45: warning: left shift count >= width of type [-Wshift-count-overflow] > 419 | #define VIRTIO_NET_STATS_TYPE_CVQ (1L << 32) > | ^~ > drivers/net/virtio_net.c:215:17: note: in expansion of macro 'VIRTIO_NET_STATS_TYPE_CVQ' > 215 | VIRTIO_NET_STATS_TYPE_##TYPE, \ > | ^~~~~~~~~~~~~~~~~~~~~~ > drivers/net/virtio_net.c:224:9: note: in expansion of macro 'VIRTNET_DEVICE_STATS_MAP_ITEM' > 224 | VIRTNET_DEVICE_STATS_MAP_ITEM(CVQ, cvq, CQ), > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +419 include/uapi/linux/virtio_net.h > > ba106d1c676c80 Xuan Zhuo 2023-12-22 418 > ba106d1c676c80 Xuan Zhuo 2023-12-22 @419 #define VIRTIO_NET_STATS_TYPE_CVQ (1L << 32) #define VIRTIO_NET_STATS_TYPE_CVQ (1ULL << 32) The above can fix this problem. Not sure whether this is appropriate for the whole patches. Zhu Yanjun > ba106d1c676c80 Xuan Zhuo 2023-12-22 420 >
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