include/linux/hrtimer.h:194:1: error: requested alignment is not an integer constant

From: kbuild test robot
Date: Sat Jun 11 2016 - 20:50:02 EST


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 {

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