linux-kernel - Re: [PATCH 1/2] perf/x86/intel: enable CPU ref

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Date:   Sun, 28 May 2017 10:56:05 +0800
From:   kbuild test robot <lkp@...el.com>
To:     kan.liang@...el.com
Cc:     kbuild-all@...org, peterz@...radead.org, mingo@...hat.com,
        eranian@...gle.com, linux-kernel@...r.kernel.org,
        alexander.shishkin@...ux.intel.com, acme@...hat.com,
        jolsa@...hat.com, torvalds@...ux-foundation.org,
        tglx@...utronix.de, vincent.weaver@...ne.edu, ak@...ux.intel.com,
        Kan Liang <Kan.liang@...el.com>
Subject: Re: [PATCH 1/2] perf/x86/intel: enable CPU ref_cycles for GP counter

Hi Kan,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12-rc2 next-20170526]
[cannot apply to tip/x86/core]
[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/kan-liang-intel-com/perf-x86-intel-enable-CPU-ref_cycles-for-GP-counter/20170522-111500
config: i386-randconfig-x0-05280944 (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 errors (new ones prefixed by >>):

   arch/x86/built-in.o: In function `nhm_ref_cycles_rep':
>> (.text+0x64ff): undefined reference to `__udivdi3'

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

Download attachment ".config.gz" of type "application/gzip" (24067 bytes)