Messages in this thread | | | Date | Tue, 28 Dec 2021 06:54:30 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:kprobe/multi 6/13] kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr' |
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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: x86_64-randconfig-a003-20211227 (https://download.01.org/0day-ci/archive/20211228/202112280625.ZNZllxQ6-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 511726c64d3b6cca66f7c54d457d586aa3129f67) 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/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 COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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@intel.com>
All errors (new ones prefixed by >>):
In file included from kernel/trace/bpf_trace.c:14: include/linux/kprobes.h:76:21: error: field has incomplete type 'struct ftrace_ops' struct ftrace_ops ops; ^ include/linux/ftrace.h:332:8: note: forward declaration of 'struct ftrace_ops' struct ftrace_ops; ^ >> kernel/trace/bpf_trace.c:1032:22: error: implicit declaration of function 'kprobe_ftrace_multi_addr' [-Werror,-Wimplicit-function-declaration] return (uintptr_t) kprobe_ftrace_multi_addr(); ^ kernel/trace/bpf_trace.c:1032:22: note: did you mean 'kprobe_ftrace_multi'? include/linux/kprobes.h:144:20: note: 'kprobe_ftrace_multi' declared here static inline bool kprobe_ftrace_multi(struct kprobe *p) ^ 2 errors generated.
vim +/kprobe_ftrace_multi_addr +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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