3:13 a.m.
Hi Alexei,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5fc6b075e165f641fbc366b58b578055762d5f8c
commit: d71fa5c9763c24dd997a2fa4feb7a13a95bab42c bpf: Add kernel module with user mode
driver that populates bpffs.
date: 2 months ago
config: x86_64-randconfig-r021-20201030 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
fa5a13276764a2657b3571fa3c57b07ee5d2d661)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit...
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d71fa5c9763c24dd997a2fa4feb7a13a95bab42c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
> ld.lld: error: undefined symbol: bpf_preload_ops
>> referenced by bpf_preload_kern.c:83 (kernel/bpf/preload/bpf_preload_kern.c:83)
>> bpf/preload/bpf_preload_kern.o:(fini_umd) in archive kernel/built-in.a
>> referenced by bpf_preload_kern.c:83 (kernel/bpf/preload/bpf_preload_kern.c:83)
>> bpf/preload/bpf_preload_kern.o:(fini_umd) in archive kernel/built-in.a
>> referenced by bpf_preload_kern.c:77 (kernel/bpf/preload/bpf_preload_kern.c:77)
>> bpf/preload/bpf_preload_kern.o:(load_umd) in archive kernel/built-in.a
>> referenced 1 more times
---
0-DAY CI Kernel Test Service, Intel Corporation
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