tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e71e3a48a7e89fa71fb70bf4602367528864d2ff commit: 43c590cb86665be702c0af0231a10ec813df9cfd [10920/11253] um: virtio/pci: enable suspend/resume config: um-allmodconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 43c590cb86665be702c0af0231a10ec813df9cfd # save the attached .config to linux build tree make W=1 ARCH=um If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 1102 | void virtio_uml_set_no_vq_suspend(struct virtio_device *vdev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/virtio_uml_set_no_vq_suspend +1102 arch/um/drivers/virtio_uml.c 1101 1103 bool no_vq_suspend) 1104 { 1105 struct virtio_uml_device *vu_dev = to_virtio_uml_device(vdev); 1106 1107 if (WARN_ON(vdev->config != &virtio_uml_config_ops)) 1108 return; 1109 1110 vu_dev->no_vq_suspend = no_vq_suspend; 1111 dev_info(&vdev->dev, "%sabled VQ suspend\n", 1112 no_vq_suspend ? "dis" : "en"); 1113 } 1114 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org