Hi Alexei, I love your patch! Yet something to improve:
[auto build test ERROR on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Alexei-Starovoitov/bpf-capabilities-introduce-CAP_BPF/20190828-142441 base: https://kernel.googlesource.com/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: ia64-defconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 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 GCC_VERSION=7.4.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): kernel/bpf/core.c: In function 'cap_bpf_tracing': >> kernel/bpf/core.c:2110:31: error: implicit declaration of function >> 'perf_paranoid_tracepoint_raw' [-Werror=implicit-function-declaration] (capable(CAP_BPF) && !perf_paranoid_tracepoint_raw()); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/perf_paranoid_tracepoint_raw +2110 kernel/bpf/core.c 2106 2107 bool cap_bpf_tracing(void) 2108 { 2109 return capable(CAP_SYS_ADMIN) || > 2110 (capable(CAP_BPF) && !perf_paranoid_tracepoint_raw()); 2111 } 2112 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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