From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH bpf-next RFC v1 7/8] bpf: enable TCP congestion control kfunc from modules
Date: Tue, 31 Aug 2021 08:16:23 +0800 [thread overview]
Message-ID: <202108310844.pjNqvYMe-lkp@intel.com> (raw)
In-Reply-To: <20210830173424.1385796-8-memxor@gmail.com>
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Hi Kumar,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on bpf-next/master]
url: https://github.com/0day-ci/linux/commits/Kumar-Kartikeya-Dwivedi/Support-kernel-module-function-calls-from-eBPF/20210831-013531
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/5bc18bc51d4d66d55910a9829c2a6b0a5a6b61ea
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kumar-Kartikeya-Dwivedi/Support-kernel-module-function-calls-from-eBPF/20210831-013531
git checkout 5bc18bc51d4d66d55910a9829c2a6b0a5a6b61ea
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 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 >>):
/usr/bin/ld: net/ipv4/tcp_cubic.o: in function `cubictcp_unregister':
>> tcp_cubic.c:(.exit.text+0xd): undefined reference to `unregister_bpf_tcp_ca_kfunc_btf_set'
/usr/bin/ld: net/ipv4/tcp_cubic.o: in function `cubictcp_register':
>> tcp_cubic.c:(.init.text+0x8e): undefined reference to `register_bpf_tcp_ca_kfunc_btf_set'
/usr/bin/ld: kernel/bpf/core.o: in function `bpf_prog_free_deferred':
core.c:(.text+0x7b0): undefined reference to `btf_put'
collect2: error: ld returned 1 exit status
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2021-08-31 0:16 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-30 17:34 [PATCH bpf-next RFC v1 0/8] Support kernel module function calls from eBPF Kumar Kartikeya Dwivedi
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 1/8] bpf: Introduce BPF support for kernel module function calls Kumar Kartikeya Dwivedi
2021-08-30 20:01 ` Alexei Starovoitov
2021-08-30 20:03 ` kernel test robot
2021-08-30 22:19 ` kernel test robot
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 2/8] bpf: Be conservative during verification for invalid kfunc calls Kumar Kartikeya Dwivedi
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 3/8] libbpf: Support kernel module function calls Kumar Kartikeya Dwivedi
2021-09-01 0:55 ` Andrii Nakryiko
2021-09-01 2:27 ` Kumar Kartikeya Dwivedi
2021-09-01 2:59 ` Alexei Starovoitov
2021-09-01 3:38 ` Andrii Nakryiko
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 4/8] libbpf: Resolve invalid kfunc calls with imm = 0, off = 0 Kumar Kartikeya Dwivedi
2021-09-01 0:35 ` Andrii Nakryiko
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 5/8] tools: Allow specifying base BTF file in resolve_btfids Kumar Kartikeya Dwivedi
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 6/8] bpf: btf: Introduce helpers for dynamic BTF set registration Kumar Kartikeya Dwivedi
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 7/8] bpf: enable TCP congestion control kfunc from modules Kumar Kartikeya Dwivedi
2021-08-31 0:16 ` kernel test robot [this message]
2021-09-01 0:48 ` Andrii Nakryiko
2021-08-30 17:34 ` [PATCH bpf-next RFC v1 8/8] bpf, selftests: Add basic test for module kfunc call Kumar Kartikeya Dwivedi
2021-08-30 20:07 ` Alexei Starovoitov
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