Hi Qiang, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] [also build test ERROR on bpf/master horms-ipvs/master linus/master v5.16-rc7 next-20211224] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Qiang-Wang/libbpf-Use-probe_name-for-legacy-kprobe/20211225-163349 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: i386-randconfig-c001-20211227 (https://download.01.org/0day-ci/archive/20211227/202112272030.W0PW9fN7-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 511726c64d3b6cca66f7c54d457d586aa3129f67) 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/0day-ci/linux/commit/4a70a6c46086b85c64cae0b5c67980bd7f73cfeb git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Qiang-Wang/libbpf-Use-probe_name-for-legacy-kprobe/20211225-163349 git checkout 4a70a6c46086b85c64cae0b5c67980bd7f73cfeb # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> libbpf.c:9896:4: error: expected ')' __sync_fetch_and_add(&index, 1)); ^ libbpf.c:9895:10: note: to match this '(' snprintf(buf, buf_sz, "libbpf_%u_%s_0x%zx_%d", getpid(), kfunc_name, offset ^ 1 error generated. make[6]: *** [tools/build/Makefile.build:97: kernel/bpf/preload/libbpf/staticobjs/libbpf.o] Error 1 make[6]: Target '__build' not remade because of errors. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
