tree: https://github.com/agraf/linux-2.6.git kvm-kho-gmem-test head: 9a58862a298a63bad21d05191e28b857063bb9dc commit: 12b2509463b155fec805d7fb2ecbef3aafbd2414 [26/27] XXX arm: make early time stamps contiguous config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240505/202405050255.uiq0NPjq-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 37ae4ad0eef338776c7e2cffb3896153d43dcd90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240505/202405050255.uiq0NPjq-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/202405050255.uiq0NPjq-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> kernel/time/sched_clock.c:76:49: error: call to undeclared function 'read_sysreg'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 76 | clocks_calc_mult_shift(&rd->mult, &rd->shift, read_sysreg(cntfrq_el0), NSEC_PER_SEC, 600); | ^ >> kernel/time/sched_clock.c:76:61: error: use of undeclared identifier 'cntfrq_el0' 76 | clocks_calc_mult_shift(&rd->mult, &rd->shift, read_sysreg(cntfrq_el0), NSEC_PER_SEC, 600); | ^ kernel/time/sched_clock.c:183:27: warning: variable 'new_epoch' set but not used [-Wunused-but-set-variable] 183 | u64 res, wrap, new_mask, new_epoch, cyc, ns; | ^ kernel/time/sched_clock.c:183:43: warning: variable 'ns' set but not used [-Wunused-but-set-variable] 183 | u64 res, wrap, new_mask, new_epoch, cyc, ns; | ^ 2 warnings and 2 errors generated. vim +/read_sysreg +76 kernel/time/sched_clock.c 69 70 static void cd_early_init(void) 71 { 72 static bool is_initialized; 73 struct clock_read_data *rd = &cd.read_data[0]; 74 75 if (!is_initialized) { > 76 clocks_calc_mult_shift(&rd->mult, &rd->shift, read_sysreg(cntfrq_el0), NSEC_PER_SEC, 600); 77 is_initialized = true; 78 } 79 } 80 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
