tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/batch head: 5f1f613266bf58f8424a93e1f8b99c4ac8fa6c2b commit: 52a1d4acdf55df41e99ca2cea51865e6821036ce [19/29] bpf: Add support to attach trampolines with multiple IDs config: arm64-randconfig-r032-20211118 (attached as .config) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id... git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf bpf/batch git checkout 52a1d4acdf55df41e99ca2cea51865e6821036ce # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): return unregister_ftrace_direct_multi(&tr->func.ops, (long) old_addr); ~~~~~~~~ ^ kernel/bpf/trampoline.c:258:47: error: no member named 'ops' in 'struct bpf_trampoline::(unnamed at include/linux/bpf.h:710:2)' return modify_ftrace_direct_multi(&tr->func.ops, (long) new_addr); ~~~~~~~~ ^ kernel/bpf/trampoline.c:274:49: error: no member named 'ops' in 'struct bpf_trampoline::(unnamed at include/linux/bpf.h:710:2)' return register_ftrace_direct_multi(&tr->func.ops, (long) new_addr); ~~~~~~~~ ^ 3 errors generated. vim +240 kernel/bpf/trampoline.c 233 234 static int unregister_fentry(struct bpf_trampoline *tr, void *old_addr) 235 { 236 void *ip = tr->id->addr[0]; 237 int ret; 238 239 if (bpf_tramp_id_is_multi(tr->id)) 241 242 if (tr->func.ftrace_managed) 243 ret = unregister_ftrace_direct((long)ip, (long)old_addr); 244 else 245 ret = bpf_arch_text_poke(ip, BPF_MOD_CALL, old_addr, NULL); 246 247 if (!ret) 248 bpf_trampoline_module_put(tr); 249 return ret; 250 } 251 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org