From: kernel test robot <lkp@intel•com>
To: Leon Hwang <leon.hwang@linux•dev>, bpf@vger•kernel.org
Cc: llvm@lists•linux.dev, oe-kbuild-all@lists•linux.dev,
Alexei Starovoitov <ast@kernel•org>,
Daniel Borkmann <daniel@iogearbox•net>,
Andrii Nakryiko <andrii@kernel•org>,
Martin KaFai Lau <martin.lau@linux•dev>,
Eduard Zingerman <eddyz87@gmail•com>, Song Liu <song@kernel•org>,
Yonghong Song <yonghong.song@linux•dev>,
John Fastabend <john.fastabend@gmail•com>,
KP Singh <kpsingh@kernel•org>,
Stanislav Fomichev <sdf@fomichev•me>, Hao Luo <haoluo@google•com>,
Jiri Olsa <jolsa@kernel•org>,
Puranjay Mohan <puranjay@kernel•org>,
Xu Kuohai <xukuohai@huaweicloud•com>,
Catalin Marinas <catalin.marinas@arm•com>,
Will Deacon <will@kernel•org>, Thomas Gleixner <tglx@kernel•org>,
Ingo Molnar <mingo@redhat•com>, Borislav Petkov <bp@alien8•de>,
Dave Hansen <dave.hansen@linux•intel.com>,
x86@kernel•org, "H . Peter Anvin" <hpa@zytor•com>,
Shuah Khan <skhan@linuxfoundation•org>,
Leon Hwang <leon.hwang@linux•dev>,
Peilin Ye <yepeilin@google•com>,
Luis Gerhorst <luis.gerhorst@fau•de>,
Viktor Malik <vmalik@redhat•com>,
linux-arm-kernel@lists•infradead.org,
linux-kernel@vger•kernel.org
Subject: Re: [PATCH bpf-next v2 2/6] bpf, x86: Add 64-bit bitops kfuncs support for x86_64
Date: Fri, 20 Feb 2026 19:59:16 +0800 [thread overview]
Message-ID: <202602201931.LBZGbpvs-lkp@intel.com> (raw)
In-Reply-To: <20260219142933.13904-3-leon.hwang@linux.dev>
Hi Leon,
kernel test robot noticed the following build errors:
[auto build test ERROR on bpf-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Leon-Hwang/bpf-Introduce-64-bit-bitops-kfuncs/20260219-223550
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link: https://lore.kernel.org/r/20260219142933.13904-3-leon.hwang%40linux.dev
patch subject: [PATCH bpf-next v2 2/6] bpf, x86: Add 64-bit bitops kfuncs support for x86_64
config: x86_64-randconfig-012-20260220 (https://download.01.org/0day-ci/archive/20260220/202602201931.LBZGbpvs-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260220/202602201931.LBZGbpvs-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel•com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602201931.LBZGbpvs-lkp@intel.com/
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: bpf_clz64
>>> referenced by bpf_jit_comp.c:1621 (arch/x86/net/bpf_jit_comp.c:1621)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4250 (arch/x86/net/bpf_jit_comp.c:4250)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: bpf_ctz64
>>> referenced by bpf_jit_comp.c:1647 (arch/x86/net/bpf_jit_comp.c:1647)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4247 (arch/x86/net/bpf_jit_comp.c:4247)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: bpf_ffs64
>>> referenced by bpf_jit_comp.c:1673 (arch/x86/net/bpf_jit_comp.c:1673)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4247 (arch/x86/net/bpf_jit_comp.c:4247)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: bpf_fls64
>>> referenced by bpf_jit_comp.c:1677 (arch/x86/net/bpf_jit_comp.c:1677)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4250 (arch/x86/net/bpf_jit_comp.c:4250)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: bpf_popcnt64
>>> referenced by bpf_jit_comp.c:1683 (arch/x86/net/bpf_jit_comp.c:1683)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4253 (arch/x86/net/bpf_jit_comp.c:4253)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: bpf_rol64
>>> referenced by bpf_jit_comp.c:1707 (arch/x86/net/bpf_jit_comp.c:1707)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4256 (arch/x86/net/bpf_jit_comp.c:4256)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: bpf_ror64
>>> referenced by bpf_jit_comp.c:1714 (arch/x86/net/bpf_jit_comp.c:1714)
>>> arch/x86/net/bpf_jit_comp.o:(do_jit) in archive vmlinux.a
>>> referenced by bpf_jit_comp.c:4256 (arch/x86/net/bpf_jit_comp.c:4256)
>>> arch/x86/net/bpf_jit_comp.o:(bpf_jit_inlines_kfunc_call) in archive vmlinux.a
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-02-20 12:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-19 14:29 [PATCH bpf-next v2 0/6] bpf: Introduce 64-bit bitops kfuncs Leon Hwang
2026-02-19 14:29 ` [PATCH bpf-next v2 1/6] " Leon Hwang
2026-02-19 17:50 ` Alexei Starovoitov
2026-02-20 15:34 ` Leon Hwang
2026-02-21 9:58 ` Dan Carpenter
2026-02-21 12:50 ` Leon Hwang
2026-02-19 14:29 ` [PATCH bpf-next v2 2/6] bpf, x86: Add 64-bit bitops kfuncs support for x86_64 Leon Hwang
2026-02-19 17:47 ` Alexei Starovoitov
2026-02-20 15:54 ` Leon Hwang
2026-02-20 17:50 ` Alexei Starovoitov
2026-02-21 12:45 ` Leon Hwang
2026-02-21 16:51 ` Alexei Starovoitov
2026-02-23 16:35 ` Leon Hwang
2026-02-19 22:05 ` kernel test robot
2026-02-20 14:12 ` Leon Hwang
2026-02-20 11:59 ` kernel test robot [this message]
2026-02-19 14:29 ` [PATCH bpf-next v2 3/6] bpf, arm64: Add 64-bit bitops kfuncs support Leon Hwang
2026-02-19 15:10 ` Puranjay Mohan
2026-02-19 15:20 ` Puranjay Mohan
2026-02-19 15:25 ` Puranjay Mohan
2026-02-19 15:36 ` Leon Hwang
2026-02-19 14:29 ` [PATCH bpf-next v2 4/6] selftests/bpf: Add tests for 64-bit bitops kfuncs Leon Hwang
2026-02-19 14:29 ` [PATCH bpf-next v2 5/6] selftests/bpf: Add __cpu_feature annotation for CPU-feature-gated tests Leon Hwang
2026-02-19 14:29 ` [PATCH bpf-next v2 6/6] selftests/bpf: Add JIT disassembly tests for 64-bit bitops kfuncs Leon Hwang
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