Re: [PATCH bpf-next 1/2] net/smc: Introduce BPF injection capability for SMC

[kernel test robot <lkp@xxxxxxxxx>]

Hi Wythe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/D-Wythe/net-smc-Introduce-BPF-injection-capability-for-SMC/20230221-155712
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/1676966191-47736-2-git-send-email-alibuda%40linux.alibaba.com
patch subject: [PATCH bpf-next 1/2] net/smc: Introduce BPF injection capability for SMC
config: i386-randconfig-a013-20230220 (https://download.01.org/0day-ci/archive/20230221/202302211908.BgagxpRo-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/e2b31aece49068d7a07ca4bbd5fbdbd92f45a25e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review D-Wythe/net-smc-Introduce-BPF-injection-capability-for-SMC/20230221-155712
        git checkout e2b31aece49068d7a07ca4bbd5fbdbd92f45a25e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202302211908.BgagxpRo-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> net/smc/bpf_smc_struct_ops.c:61:33: error: use of undeclared identifier 'BTF_SMC_TYPE_MAX'; did you mean 'BTF_SMC_TYPE_SOCK'?
   BTF_ID_LIST_GLOBAL(btf_smc_ids, BTF_SMC_TYPE_MAX)
                                   ^~~~~~~~~~~~~~~~
                                   BTF_SMC_TYPE_SOCK
   include/linux/btf_ids.h:211:61: note: expanded from macro 'BTF_ID_LIST_GLOBAL'
   #define BTF_ID_LIST_GLOBAL(name, n) u32 __maybe_unused name[n];
                                                               ^
   include/linux/btf_ids.h:275:1: note: 'BTF_SMC_TYPE_SOCK' declared here
   BTF_SMC_TYPE_xxx
   ^
   include/linux/btf_ids.h:269:15: note: expanded from macro 'BTF_SMC_TYPE_xxx'
           BTF_SMC_TYPE(BTF_SMC_TYPE_SOCK, smc_sock)               \
                        ^
   1 error generated.


vim +61 net/smc/bpf_smc_struct_ops.c

    59	
    60	/* define global smc ID for smc_struct_ops */
  > 61	BTF_ID_LIST_GLOBAL(btf_smc_ids, BTF_SMC_TYPE_MAX)
    62	#define BTF_SMC_TYPE(name, type) BTF_ID(struct, type)
    63	BTF_SMC_TYPE_xxx
    64	#undef BTF_SMC_TYPE
    65	

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https://github.com/intel/lkp-tests