Re: [PATCH] perf/core: fast breakpoint modification via _IOC_MODIFY_BREAKPOINT.

From: kbuild test robot
Date: Wed Nov 08 2017 - 08:36:12 EST


Hi Milind,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/perf/core]
[also build test ERROR on v4.14-rc8 next-20171108]
[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/Milind-Chabbi/perf-core-fast-breakpoint-modification-via-_IOC_MODIFY_BREAKPOINT/20171108-184959
config: parisc-c3000_defconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=parisc

All errors (new ones prefixed by >>):

kernel/events/core.o: In function `_perf_ioctl':
>> (.text._perf_ioctl+0x2c8): undefined reference to `validate_hw_breakpoint'

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