linux-kernel - Re: [PATCH v4 16/20] TP-futex: Group readers together in wait queue

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Message-ID: <201612300434.E6aRUKM3%fengguang.wu@intel.com>
Date:   Fri, 30 Dec 2016 04:16:15 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Waiman Long <longman@...hat.com>
Cc:     kbuild-all@...org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Davidlohr Bueso <dave@...olabs.net>,
        Mike Galbraith <umgwanakikbuti@...il.com>,
        Scott J Norton <scott.norton@....com>,
        Waiman Long <longman@...hat.com>
Subject: Re: [PATCH v4 16/20] TP-futex: Group readers together in wait queue

Hi Waiman,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc1 next-20161224]
[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/Waiman-Long/futex-Introducing-throughput-optimized-TP-futexes/20161230-020021
config: ia64-defconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
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
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   kernel/built-in.o: In function `futex_lock':
>> futex.c:(.text+0xfadd2): undefined reference to `osq_lock'
>> futex.c:(.text+0xfb1f2): undefined reference to `osq_unlock'
   futex.c:(.text+0xfb2d2): undefined reference to `osq_unlock'
   futex.c:(.text+0xfc0c2): undefined reference to `osq_lock'
   futex.c:(.text+0xfc6d2): undefined reference to `osq_unlock'

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

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