Re: [PATCH 1/2] perf/x86/intel: enable CPU ref_cycles for GP counter

From: kbuild test robot
Date: Sat May 27 2017 - 22:57:08 EST


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'

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