tree: https://android.googlesource.com/kernel/common android12-kiwi-5.10 head: 029865ac9555743665dd106b4bbefb2f371849e9 commit: 029865ac9555743665dd106b4bbefb2f371849e9 [4/4] ANDROID: virtio: virtio_pvclock: initial driver impl config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220125/202201252119.OR28gWwd-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-kiwi-5.10 git checkout 029865ac9555743665dd106b4bbefb2f371849e9 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/virtio/ 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 >>): 49 | void update_suspend_time(struct work_struct *work) | ^~~~~~~~~~~~~~~~~~~ drivers/virtio/virtio_pvclock.c: In function 'virtpvclock_validate': 295 | uint32_t rating = | ^~~~~~~~ vim +/update_suspend_time +49 drivers/virtio/virtio_pvclock.c 48 50 { 51 u64 suspend_ns, suspend_time_delta = 0; 52 struct timespec64 inject_time; 53 struct virtio_pvclock *vp; 54 55 vp = container_of(work, struct virtio_pvclock, 56 update_suspend_time_work); 57 58 virtio_cread(vp->vdev, struct virtio_pvclock_config, suspend_time_ns, 59 &suspend_ns); 60 61 mutex_lock(&vp->inject_suspend_lock); 62 if (suspend_ns > vp->injected_suspend_ns) { 63 suspend_time_delta = suspend_ns - vp->injected_suspend_ns; 64 vp->injected_suspend_ns = suspend_ns; 65 } 66 mutex_unlock(&vp->inject_suspend_lock); 67 68 if (suspend_time_delta == 0) { 69 dev_err(&vp->vdev->dev, 70 "%s: suspend_time_ns is less than injected_suspend_ns\n", 71 __func__); 72 return; 73 } 74 75 inject_time = ns_to_timespec64(suspend_time_delta); 76 77 timekeeping_inject_sleeptime64(&inject_time); 78 79 dev_info(&vp->vdev->dev, "injected sleeptime: %llu ns\n", 80 suspend_time_delta); 81 } 82 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org