tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost head: 825f5e35666901a3cf6963c8ea3aea0898846a8e commit: e958cd4aadfac0d2968c71208d39069e7968164c [14/16] virtio: wrap config->reset calls config: microblaze-buildonly-randconfig-r001-20211013 (attached as .config) compiler: microblaze-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?id=e958cd4aadfac0d2968c71208d39069e7968164c git remote add mst-vhost https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git git fetch --no-tags mst-vhost vhost git checkout e958cd4aadfac0d2968c71208d39069e7968164c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/virtio/virtio.c:207:13: error: static declaration of 'virtio_reset_device' follows non-static declaration 207 | static void virtio_reset_device(struct virtio_device *dev) | ^~~~~~~~~~~~~~~~~~~ In file included from drivers/virtio/virtio.c:2: include/linux/virtio.h:141:6: note: previous declaration of 'virtio_reset_device' with type 'void(struct virtio_device *)' 141 | void virtio_reset_device(struct virtio_device *dev); | ^~~~~~~~~~~~~~~~~~~ >> drivers/virtio/virtio.c:207:13: error: 'virtio_reset_device' defined but not used [-Werror=unused-function] 207 | static void virtio_reset_device(struct virtio_device *dev) | ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/virtio_reset_device +207 drivers/virtio/virtio.c 206 > 207 static void virtio_reset_device(struct virtio_device *dev) 208 { 209 dev->config->reset(dev); 210 } 211 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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