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From: kbuild test robot <lkp@intel.com>
Cc: kbuild-all@01.org, Arnd Bergmann <arnd@arndb.de>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <mawilcox@microsoft.com>,
	Yury Norov <ynorov@caviumnetworks.com>,
	Clement Courbet <courbet@google.com>,
	Ingo Molnar <mingo@kernel.org>,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] lib: optimize cpumask_next_and()
Date: Thu, 26 Oct 2017 20:12:23 +0800	[thread overview]
Message-ID: <201710262014.nOwTGnqR%fengguang.wu@intel.com> (raw)
In-Reply-To: <20171024105159.18293-1-courbet@google.com>

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Hi Clement,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc6 next-20171018]
[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/Clement-Courbet/lib-optimize-cpumask_next_and/20171026-184850
config: i386-randconfig-x001-201743 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   lib/find_bit.c: In function 'find_next_and_bit':
>> lib/find_bit.c:92:38: error: 'size' undeclared (first use in this function)
     return _find_next_bit(addr1, addr2, size, offset, ~0UL);
                                         ^~~~
   lib/find_bit.c:92:38: note: each undeclared identifier is reported only once for each function it appears in
>> lib/find_bit.c:92:44: error: 'offset' undeclared (first use in this function)
     return _find_next_bit(addr1, addr2, size, offset, ~0UL);
                                               ^~~~~~
>> lib/find_bit.c:93:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +/size +92 lib/find_bit.c

    86	
    87	#if !defined(find_next_and_bit)
    88	unsigned long find_next_and_bit(const unsigned long *addr1,
    89			const unsigned long *addr2, unsigned long nbits,
    90			unsigned long start)
    91	{
  > 92		return _find_next_bit(addr1, addr2, size, offset, ~0UL);
  > 93	}
    94	EXPORT_SYMBOL(find_next_and_bit);
    95	#endif
    96	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: Clement Courbet <courbet@google.com>
Cc: kbuild-all@01.org, Arnd Bergmann <arnd@arndb.de>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <mawilcox@microsoft.com>,
	Yury Norov <ynorov@caviumnetworks.com>,
	Ingo Molnar <mingo@kernel.org>,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] lib: optimize cpumask_next_and()
Date: Thu, 26 Oct 2017 20:12:23 +0800	[thread overview]
Message-ID: <201710262014.nOwTGnqR%fengguang.wu@intel.com> (raw)
Message-ID: <20171026121223.lxDsH7C8ZFMoZuChphmhDrPkj8fdCUkVfCpv6ACzYIo@z> (raw)
In-Reply-To: <20171024105159.18293-1-courbet@google.com>

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Hi Clement,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc6 next-20171018]
[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/Clement-Courbet/lib-optimize-cpumask_next_and/20171026-184850
config: i386-randconfig-x001-201743 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   lib/find_bit.c: In function 'find_next_and_bit':
>> lib/find_bit.c:92:38: error: 'size' undeclared (first use in this function)
     return _find_next_bit(addr1, addr2, size, offset, ~0UL);
                                         ^~~~
   lib/find_bit.c:92:38: note: each undeclared identifier is reported only once for each function it appears in
>> lib/find_bit.c:92:44: error: 'offset' undeclared (first use in this function)
     return _find_next_bit(addr1, addr2, size, offset, ~0UL);
                                               ^~~~~~
>> lib/find_bit.c:93:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +/size +92 lib/find_bit.c

    86	
    87	#if !defined(find_next_and_bit)
    88	unsigned long find_next_and_bit(const unsigned long *addr1,
    89			const unsigned long *addr2, unsigned long nbits,
    90			unsigned long start)
    91	{
  > 92		return _find_next_bit(addr1, addr2, size, offset, ~0UL);
  > 93	}
    94	EXPORT_SYMBOL(find_next_and_bit);
    95	#endif
    96	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  parent reply	other threads:[~2017-10-26 12:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-24 10:51 [PATCH v2] lib: optimize cpumask_next_and() Clement Courbet
2017-10-25  7:28 ` Matthew Wilcox
2017-10-25  7:28   ` Matthew Wilcox
2017-10-25 14:59 ` Yury Norov
2017-10-25 14:59   ` Yury Norov
2017-10-25 15:28   ` Re " Clement Courbet
2017-10-25 15:28     ` Clement Courbet
2017-10-25 15:50     ` Yury Norov
2017-10-25 17:41       ` Yury Norov
2017-10-25 17:41         ` Yury Norov
2017-10-26 12:12 ` kbuild test robot [this message]
2017-10-26 12:12   ` kbuild test robot
2017-10-26 12:22 ` kbuild test robot
2017-10-26 12:22   ` kbuild test robot
  -- strict thread matches above, loose matches on Subject: below --
2017-10-26 12:58 [PATCH v3] " Alexey Dobriyan
2017-10-26 15:52 ` [PATCH v2] " Clement Courbet

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