Hi, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 45b00c94be33db5d00595046663163ce55cbbfb9 commit: 6d9a1411393d51f17bee3fe163430b21b2cb2de9 hrtimer: Cache line align the hrtimer cpu base date: 1 year, 2 months ago config: frv-allnoconfig (attached as .config) compiler: frv-linux-gcc (GCC) 4.9.0 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 git checkout 6d9a1411393d51f17bee3fe163430b21b2cb2de9 # save the attached .config to linux build tree make.cross ARCH=frv All errors (new ones prefixed by >>): kernel/time/Kconfig:157:warning: range is invalid In file included from include/linux/cache.h:5:0, from include/linux/printk.h:8, from include/linux/kernel.h:13, from include/linux/sched.h:17, from arch/frv/kernel/asm-offsets.c:7: arch/frv/include/asm/cache.h:17:26: error: 'CONFIG_FRV_L1_CACHE_SHIFT' undeclared here (not in a function) #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) ^ arch/frv/include/asm/cache.h:18:31: note: in expansion of macro 'L1_CACHE_SHIFT' #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) ^ arch/frv/include/asm/cache.h:21:54: note: in expansion of macro 'L1_CACHE_BYTES' #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) ^ include/linux/hrtimer.h:194:3: note: in expansion of macro '____cacheline_aligned' } ____cacheline_aligned; ^ In file included from include/linux/sched.h:53:0, from arch/frv/kernel/asm-offsets.c:7: >> include/linux/hrtimer.h:194:1: error: requested alignment is not an integer constant } ____cacheline_aligned; ^ make[2]: *** [arch/frv/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [sub-make] Error 2 vim +194 include/linux/hrtimer.h 188 unsigned int nr_events; 189 unsigned int nr_retries; 190 unsigned int nr_hangs; 191 unsigned int max_hang_time; 192 #endif 193 struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; > 194 } ____cacheline_aligned; 195 196 static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) 197 { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation