Thanks, I only compiled and tested in x86_64, will check what's wrong in
m68k
B.R.
Justin
在 11/19/15 10:53 AM, kbuild test robot 写道:
Hi Jia,
[auto build test ERROR on: v4.4-rc1]
[also build test ERROR on: next-20151118]
url: https://github.com/0day-ci/linux/commits/Jia-He/Improve-bitmap_empty-and-bitmap_full/20151119-103554
config: m68k-allyesconfig (attached as .config)
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=m68k
All errors (new ones prefixed by >>):
kernel/time/Kconfig:155:warning: range is invalid
warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG which has unmet direct dependencies (USB_SUPPORT && USB && PM)
warning: (SINGLE_MEMORY_CHUNK) selects NEED_MULTIPLE_NODES which has unmet direct dependencies (DISCONTIGMEM || NUMA)
warning: (PREEMPT && DEBUG_ATOMIC_SLEEP) selects PREEMPT_COUNT which has unmet direct dependencies (COLDFIRE)
warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG which has unmet direct dependencies (USB_SUPPORT && USB && PM)
warning: (SINGLE_MEMORY_CHUNK) selects NEED_MULTIPLE_NODES which has unmet direct dependencies (DISCONTIGMEM || NUMA)
warning: (PREEMPT && DEBUG_ATOMIC_SLEEP) selects PREEMPT_COUNT which has unmet direct dependencies (COLDFIRE)
In file included from include/linux/cpumask.h:11:0,
from include/linux/rcupdate.h:40,
from include/linux/rbtree.h:34,
from include/linux/sched.h:22,
from arch/m68k/kernel/asm-offsets.c:14:
include/linux/bitmap.h: In function 'bitmap_empty':
include/linux/bitmap.h:284:2: error: implicit declaration of function 'all_bit_is_zero' [-Werror=implicit-function-declaration]
return all_bit_is_zero(src, nbits);
^
include/linux/bitmap.h: In function 'bitmap_full':
include/linux/bitmap.h:292:2: error: implicit declaration of function 'all_bit_is_one' [-Werror=implicit-function-declaration]
return all_bit_is_one(src, nbits);
^
cc1: some warnings being treated as errors
make[2]: *** [arch/m68k/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 +/all_bit_is_zero +284 include/linux/bitmap.h
278
279 static inline int bitmap_empty(const unsigned long *src, unsigned nbits)
280 {
281 if (small_const_nbits(nbits))
282 return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
283
> 284 return all_bit_is_zero(src, nbits);
285 }
286
287 static inline int bitmap_full(const unsigned long *src, unsigned int nbits)
288 {
289 if (small_const_nbits(nbits))
290 return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
291
> 292 return all_bit_is_one(src, nbits);
293 }
294
295 static __always_inline int bitmap_weight(const unsigned long *src, unsigned int nbits)
---
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