From: kernel test robot <lkp@intel.com>
To: Andrii Nakryiko <andrii@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Daniel Borkmann <daniel@iogearbox.net>
Subject: [linux-next:master 10107/10661] libbpf.c:4954:8: error: variable 'i' set but not used
Date: Wed, 11 May 2022 06:47:29 +0800 [thread overview]
Message-ID: <202205110646.qxnrqHzi-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 3bf222d317a20170ee17f082626c1e0f83537e13
commit: 0087a681fa8c22f719a567317e8f8f894d734b9c [10107/10661] libbpf: Automatically fix up BPF_MAP_TYPE_RINGBUF size, if necessary
config: hexagon-randconfig-r036-20220510 (https://download.01.org/0day-ci/archive/20220511/202205110646.qxnrqHzi-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 18dd123c56754edf62c7042dcf23185c3727610f)
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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0087a681fa8c22f719a567317e8f8f894d734b9c
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 0087a681fa8c22f719a567317e8f8f894d734b9c
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon prepare
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 >>):
scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
scripts/genksyms/parse.y: note: rerun with option '-Wcounterexamples' to generate conflict counterexamples
>> libbpf.c:4954:8: error: variable 'i' set but not used [-Werror,-Wunused-but-set-variable]
__u32 i, mul;
^
1 error generated.
make[5]: *** [tools/build/Makefile.build:96: tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [Makefile:157: tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf-in.o] Error 2
make[3]: *** [Makefile:55: tools/bpf/resolve_btfids//libbpf/libbpf.a] Error 2
make[2]: *** [Makefile:72: bpf/resolve_btfids] Error 2
make[1]: *** [Makefile:1337: tools/bpf/resolve_btfids] Error 2
<stdin>:1517:2: warning: syscall clone3 not implemented [-W#warnings]
#warning syscall clone3 not implemented
^
1 warning generated.
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-05-10 22:47 UTC|newest]
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