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From: kernel test robot <lkp@intel.com>
To: Song Liu <songliubraving@fb.com>,
	bpf@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: kbuild-all@lists.01.org, acme@kernel.org, peterz@infradead.org,
	mingo@redhat.com, kernel-team@fb.com,
	Song Liu <songliubraving@fb.com>
Subject: Re: [PATCH bpf-next 2/3] bpf: introduce helper bpf_get_branch_trace
Date: Wed, 25 Aug 2021 09:14:16 +0800	[thread overview]
Message-ID: <202108250907.HEDZkHnf-lkp@intel.com> (raw)
In-Reply-To: <20210824060157.3889139-3-songliubraving@fb.com>

[-- Attachment #1: Type: text/plain, Size: 1604 bytes --]

Hi Song,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Song-Liu/bpf-introduce-bpf_get_branch_trace/20210824-140315
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: riscv-randconfig-r025-20210825 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/e32271f38de34ebc8cc48176d9f1f0972182414e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Song-Liu/bpf-introduce-bpf_get_branch_trace/20210824-140315
        git checkout e32271f38de34ebc8cc48176d9f1f0972182414e
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   riscv64-linux-ld: kernel/bpf/trampoline.o: in function `__bpf_prog_enter':
>> trampoline.c:(.text+0x83c): undefined reference to `perf_snapshot_branch_stack'
>> riscv64-linux-ld: trampoline.c:(.text+0x840): undefined reference to `perf_snapshot_branch_stack'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35843 bytes --]

  reply	other threads:[~2021-08-25  1:14 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-24  6:01 [PATCH bpf-next 0/3] bpf: introduce bpf_get_branch_trace Song Liu
2021-08-24  6:01 ` [PATCH bpf-next 1/3] perf: enable branch record for software events Song Liu
2021-08-25 12:09   ` Peter Zijlstra
2021-08-25 15:22     ` Song Liu
2021-08-26  7:56       ` kajoljain
2021-08-26 16:41         ` Song Liu
2021-08-24  6:01 ` [PATCH bpf-next 2/3] bpf: introduce helper bpf_get_branch_trace Song Liu
2021-08-25  1:14   ` kernel test robot [this message]
2021-08-24  6:01 ` [PATCH bpf-next 3/3] selftests/bpf: add test for bpf_get_branch_trace Song Liu
2021-08-31  1:30 [selftests/bpf] 8dff2c1958: BUG:using_smp_processor_id()in_preemptible kernel test robot
2021-08-31  4:45 ` Song Liu

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