tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 940fcc189c51032dd0282cbee4497542c982ac59 commit: 809a1971ce613ec22314ecfeb3ebccc7ee3a97c3 [5393/6975] accel/habanalabs: add tsc clock sampling to clock sync info config: um-randconfig-r005-20230815 (https://download.01.org/0day-ci/archive/20230921/202309211608.K2NtoA7e-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230921/202309211608.K2NtoA7e-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/202309211608.K2NtoA7e-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/accel/habanalabs/common/habanalabs_ioctl.c: In function 'time_sync_info': >> drivers/accel/habanalabs/common/habanalabs_ioctl.c:323:30: error: implicit declaration of function 'rdtsc' [-Werror=implicit-function-declaration] 323 | time_sync.tsc_time = rdtsc(); | ^~~~~ cc1: some warnings being treated as errors vim +/rdtsc +323 drivers/accel/habanalabs/common/habanalabs_ioctl.c 311 312 static int time_sync_info(struct hl_device *hdev, struct hl_info_args *args) 313 { 314 struct hl_info_time_sync time_sync = {0}; 315 u32 max_size = args->return_size; 316 void __user *out = (void __user *) (uintptr_t) args->return_pointer; 317 318 if ((!max_size) || (!out)) 319 return -EINVAL; 320 321 time_sync.device_time = hdev->asic_funcs->get_device_time(hdev); 322 time_sync.host_time = ktime_get_raw_ns(); > 323 time_sync.tsc_time = rdtsc(); 324 325 return copy_to_user(out, &time_sync, 326 min((size_t) max_size, sizeof(time_sync))) ? -EFAULT : 0; 327 } 328 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
