Hi Chen,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.8-rc4 next-20160825]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/chengang-emindsoft-com-cn/arch-all-include-asm-bitops-Use-bool-instead-of-int-for-all-bit-test-functions/20160828-230301
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
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=s390 

All errors (new ones prefixed by >>):

   In file included from include/linux/bitops.h:36:0,
                    from fs/btrfs/extent_io.c:1:
>> arch/s390/include/asm/bitops.h:176:15: error: unknown type name 'bool'
    static inline bool
                  ^
   arch/s390/include/asm/bitops.h:187:15: error: unknown type name 'bool'
    static inline bool
                  ^
   arch/s390/include/asm/bitops.h:198:15: error: unknown type name 'bool'
    static inline bool
                  ^
   arch/s390/include/asm/bitops.h:231:15: error: unknown type name 'bool'
    static inline bool
                  ^
   arch/s390/include/asm/bitops.h:242:15: error: unknown type name 'bool'
    static inline bool
                  ^
   arch/s390/include/asm/bitops.h:253:15: error: unknown type name 'bool'
    static inline bool
                  ^
   arch/s390/include/asm/bitops.h:264:15: error: unknown type name 'bool'
    static inline bool test_bit(unsigned long nr, const volatile unsigned long *ptr)
                  ^
   arch/s390/include/asm/bitops.h:273:15: error: unknown type name 'bool'
    static inline bool test_and_set_bit_lock(unsigned long nr,
                  ^
   arch/s390/include/asm/bitops.h:324:15: error: unknown type name 'bool'
    static inline bool test_bit_inv(unsigned long nr,
                  ^

vim +/bool +176 arch/s390/include/asm/bitops.h

   170		}
   171	#endif
   172		mask = 1UL << (nr & (BITS_PER_LONG - 1));
   173		__BITOPS_LOOP(addr, mask, __BITOPS_XOR, __BITOPS_NO_BARRIER);
   174	}
   175	
 > 176	static inline bool
   177	test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
   178	{
   179		unsigned long *addr = __bitops_word(nr, ptr);

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