* Re: [PATCH bpf-next v2 2/6] bpf, x86: Add 64-bit bitops kfuncs support for x86_64
[not found] <20260219142933.13904-3-leon.hwang@linux.dev>
@ 2026-02-20 11:59 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-02-20 11:59 UTC (permalink / raw)
To: Leon Hwang, bpf
Cc: llvm, oe-kbuild-all, Alexei Starovoitov, Daniel Borkmann,
Andrii Nakryiko, Martin KaFai Lau, Eduard Zingerman, Song Liu,
Yonghong Song, John Fastabend, KP Singh, Stanislav Fomichev,
Hao Luo, Jiri Olsa, Puranjay Mohan, Xu Kuohai, Catalin Marinas,
Will Deacon, Thomas Gleixner, Ingo Molnar, Borislav Petkov,
Dave Hansen, x86, H . Peter Anvin, Shuah Khan, Leon Hwang,
Peilin Ye, Luis Gerhorst, Viktor Malik, linux-arm-kernel,
linux-kernel
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
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[not found] <20260219142933.13904-3-leon.hwang@linux.dev>
2026-02-20 11:59 ` [PATCH bpf-next v2 2/6] bpf, x86: Add 64-bit bitops kfuncs support for x86_64 kernel test robot
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