tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core head: 5acc575fec9f424f0b557844dbda8aed57baae1e commit: f30b09b7f8aed3180d6e2f2984e32e91c7a7fcd1 [36/37] perf/core: Implement fast breakpoint modification via _IOC_MODIFY_ATTRIBUTES config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout f30b09b7f8aed3180d6e2f2984e32e91c7a7fcd1 # save the attached .config to linux build tree make.cross ARCH=sparc64
All errors (new ones prefixed by >>):
kernel/events/core.c: In function 'perf_event_modify_breakpoint':
>> kernel/events/core.c:2856:8: error: implicit declaration of function
>> 'modify_user_hw_breakpoint_check'; did you mean 'modify_user_hw_breakpoint'?
>> [-Werror=implicit-function-declaration]
err = modify_user_hw_breakpoint_check(bp, attr, true);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
modify_user_hw_breakpoint
cc1: some warnings being treated as errors
vim +2856 kernel/events/core.c
2848
2849 static int perf_event_modify_breakpoint(struct perf_event *bp,
2850 struct perf_event_attr *attr)
2851 {
2852 int err;
2853
2854 _perf_event_disable(bp);
2855
> 2856 err = modify_user_hw_breakpoint_check(bp, attr, true);
2857 if (err) {
2858 if (!bp->attr.disabled)
2859 _perf_event_enable(bp);
2860
2861 return err;
2862 }
2863
2864 if (!attr->disabled)
2865 _perf_event_enable(bp);
2866 return 0;
2867 }
2868
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
