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Date:   Wed, 1 Jun 2022 18:36:21 +0800
From:   kernel test robot <lkp@intel.com>
To:     Daniel Xu <dxu@dxuuu.xyz>, bpf@vger.kernel.org, ast@kernel.org,
        daniel@iogearbox.net, andrii@kernel.org
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        Daniel Xu <dxu@dxuuu.xyz>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next 1/2] bpf, test_run: Add PROG_TEST_RUN support to
 kprobe
Message-ID: <202206011814.9lsKlbB0-lkp@intel.com>
References: <b544771c7bce102f2a97a34e2f5e7ebbb9ea0a24.1653861287.git.dxu@dxuuu.xyz>
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In-Reply-To: <b544771c7bce102f2a97a34e2f5e7ebbb9ea0a24.1653861287.git.dxu@dxuuu.xyz>
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Hi Daniel,

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/Daniel-Xu/Add-PROG_TEST_RUN-support-to-BPF_PROG_TYPE_KPROBE/20220530-060742
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: s390-randconfig-r002-20220531 (https://download.01.org/0day-ci/archive/20220601/202206011814.9lsKlbB0-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/a547a4c795103fd002d3bbb5ee4d7141113716c0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Daniel-Xu/Add-PROG_TEST_RUN-support-to-BPF_PROG_TYPE_KPROBE/20220530-060742
        git checkout a547a4c795103fd002d3bbb5ee4d7141113716c0
        # 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=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: kernel/trace/bpf_trace.o:kernel/trace/bpf_trace.c:1365: undefined reference to `bpf_prog_test_run_kprobe'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp