* [jolsa-perf:kprobe/multi 6/13] kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr'; did you mean 'kprobe_ftrace_multi'?
@ 2021-12-27 21:23 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-12-27 21:23 UTC (permalink / raw
To: Jiri Olsa; +Cc: kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git kprobe/multi
head: bc59262730d5cfc95d6cae84f247d2e8690a309b
commit: a1974e6769e507428f52729967e6670a1548c239 [6/13] kprobe: Allow to get traced function address for multi ftrace kprobes
config: i386-randconfig-a016-20211227 (https://download.01.org/0day-ci/archive/20211228/202112280519.3qcLUyCw-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=a1974e6769e507428f52729967e6670a1548c239
git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
git fetch --no-tags jolsa-perf kprobe/multi
git checkout a1974e6769e507428f52729967e6670a1548c239
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
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 >>):
kernel/trace/bpf_trace.c: In function '____bpf_get_func_ip_kprobe':
>> kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr'; did you mean 'kprobe_ftrace_multi'? [-Werror=implicit-function-declaration]
1032 | return (uintptr_t) kprobe_ftrace_multi_addr();
| ^~~~~~~~~~~~~~~~~~~~~~~~
| kprobe_ftrace_multi
cc1: some warnings being treated as errors
vim +1032 kernel/trace/bpf_trace.c
1024
1025 BPF_CALL_1(bpf_get_func_ip_kprobe, struct pt_regs *, regs)
1026 {
1027 struct kprobe *kp = kprobe_running();
1028
1029 if (!kp)
1030 return 0;
1031 if (kprobe_ftrace_multi(kp))
> 1032 return (uintptr_t) kprobe_ftrace_multi_addr();
1033 else
1034 return (uintptr_t) kp->func_addr;
1035 }
1036
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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2021-12-27 21:23 [jolsa-perf:kprobe/multi 6/13] kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr'; did you mean 'kprobe_ftrace_multi'? kernel test robot
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