Hi Jiri, I love your patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Jiri-Olsa/bpf-Prevent-bpf-program-recursion-for-raw-tracepoint-probes/20220908-194832 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: arm64-buildonly-randconfig-r002-20220907 (https://download.01.org/0day-ci/archive/20220909/202209091236.avgRKOSj-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f68b567cfb6572c20e431242a440cc5f01452485 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jiri-Olsa/bpf-Prevent-bpf-program-recursion-for-raw-tracepoint-probes/20220908-194832 git checkout f68b567cfb6572c20e431242a440cc5f01452485 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): aarch64-linux-ld: Unexpected GOT/PLT entries detected! aarch64-linux-ld: Unexpected run-time procedure linkages detected! aarch64-linux-ld: kernel/trace/bpf_trace.o: in function `__bpf_trace_run': >> kernel/trace/bpf_trace.c:2046: undefined reference to `bpf_prog_inc_misses_counter' >> aarch64-linux-ld: kernel/trace/bpf_trace.c:2046: undefined reference to `bpf_prog_inc_misses_counter' >> aarch64-linux-ld: kernel/trace/bpf_trace.c:2046: undefined reference to `bpf_prog_inc_misses_counter' >> aarch64-linux-ld: kernel/trace/bpf_trace.c:2046: undefined reference to `bpf_prog_inc_misses_counter' >> aarch64-linux-ld: kernel/trace/bpf_trace.c:2046: undefined reference to `bpf_prog_inc_misses_counter' aarch64-linux-ld: kernel/trace/bpf_trace.o:kernel/trace/bpf_trace.c:2046: more undefined references to `bpf_prog_inc_misses_counter' follow vim +2046 kernel/trace/bpf_trace.c 2040 2041 static __always_inline 2042 void __bpf_trace_run(struct bpf_prog *prog, u64 *args) 2043 { 2044 cant_sleep(); 2045 if (unlikely(this_cpu_inc_return(*(prog->active)) != 1)) { > 2046 bpf_prog_inc_misses_counter(prog); 2047 goto out; 2048 } 2049 rcu_read_lock(); 2050 (void) bpf_prog_run(prog, args); 2051 rcu_read_unlock(); 2052 out: 2053 this_cpu_dec(*(prog->active)); 2054 } 2055 -- 0-DAY CI Kernel Test Service https://01.org/lkp
