Hi, [auto build test ERROR on tip/timers/core] [also build test ERROR on v4.7-rc6 next-20160708] [cannot apply to tip/x86/core] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Nicolai-Stange/avoid-double-timer-interrupt-with-nohz-and-Intel-TSC/20160710-202914 config: sh-sh7785lcr_32bit_defconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All errors (new ones prefixed by >>): kernel/built-in.o: In function `timekeeping_mono_interval_to_raw': >> kernel/time/timekeeping.c:2164: undefined reference to `__divdi3' vim +2164 kernel/time/timekeeping.c 2158 * that is they cancel. 2159 */ 2160 if (KTIME_MAX / raw_mult < interval) 2161 return KTIME_MAX; 2162 raw = interval * raw_mult; 2163 > 2164 if (KTIME_MAX - mono_mult / 2 < raw) 2165 return KTIME_MAX; 2166 raw += mono_mult / 2; /* round properly */ 2167 raw /= mono_mult; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation