[jolsa-perf:bpf/fixes 2/5] kallsyms.c:undefined reference to `kallsyms_on_each_symbol'

From: kernel test robot
Date: Thu Apr 07 2022 - 17:13:41 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/fixes
head: baa78873a24a7e0f21b0a01e82214ce9a096e147
commit: 3f047c53b0e7e747b76f0b3d032e476efbe1222f [2/5] kallsyms: Add kallsyms_lookup_names function
config: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20220408/202204080514.PCPEh2hd-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=3f047c53b0e7e747b76f0b3d032e476efbe1222f
git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
git fetch --no-tags jolsa-perf bpf/fixes
git checkout 3f047c53b0e7e747b76f0b3d032e476efbe1222f
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

vmlinux.o: warning: objtool: enter_from_user_mode()+0x18: call to __kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x1d: call to __kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x18: call to __kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x18: call to __kcsan_check_access() leaves .noinstr.text section
ld: kernel/kallsyms.o: in function `kallsyms_lookup_names':
>> kallsyms.c:(.text+0xb4e): undefined reference to `kallsyms_on_each_symbol'

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