Messages in this thread | | | Date | Thu, 3 Feb 2022 15:15:27 +0900 | From | Masami Hiramatsu <> | Subject | Re: [jolsa-perf:bpf/fprobe_link 3/10] include/linux/fprobe.h:20:33: error: field 'ops' has incomplete type |
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Hi Jiri,
This may happen if CONFIG_FUNCTION_TRACER=n. Let me fix it.
Thank you,
On Thu, 3 Feb 2022 11:20:41 +0800 kernel test robot <lkp@intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/fprobe_link > head: f35f5b111d32e11c2201dcbfa5e3c8c0560a0a43 > commit: 5292dedae3df76ecaa8b83f3a440172a78fff570 [3/10] bpf: Add support to attach kprobe program with fprobe > config: arc-randconfig-r043-20220130 (https://download.01.org/0day-ci/archive/20220203/202202031105.OEGj0FZz-lkp@intel.com/config) > compiler: arc-elf-gcc (GCC) 11.2.0 > 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=5292dedae3df76ecaa8b83f3a440172a78fff570 > git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git > git fetch --no-tags jolsa-perf bpf/fprobe_link > git checkout 5292dedae3df76ecaa8b83f3a440172a78fff570 > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash kernel/bpf/ > > 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/bpf/syscall.c:35: > >> include/linux/fprobe.h:20:33: error: field 'ops' has incomplete type > 20 | struct ftrace_ops ops; > | ^~~ > > > vim +/ops +20 include/linux/fprobe.h > > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 9 > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 10 /** > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 11 * struct fprobe - ftrace based probe. > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 12 * @ops: The ftrace_ops. > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 13 * @nmissed: The counter for missing events. > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 14 * @flags: The status flag. > 806149decce8b0 Masami Hiramatsu 2022-01-26 15 * @rethook: The rethook data structure. (internal data) > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 16 * @entry_handler: The callback function for function entry. > 806149decce8b0 Masami Hiramatsu 2022-01-26 17 * @exit_handler: The callback function for function exit. > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 18 */ > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 19 struct fprobe { > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 @20 struct ftrace_ops ops; > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 21 unsigned long nmissed; > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 22 unsigned int flags; > 806149decce8b0 Masami Hiramatsu 2022-01-26 23 struct rethook *rethook; > 806149decce8b0 Masami Hiramatsu 2022-01-26 24 > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 25 void (*entry_handler)(struct fprobe *fp, unsigned long entry_ip, struct pt_regs *regs); > 806149decce8b0 Masami Hiramatsu 2022-01-26 26 void (*exit_handler)(struct fprobe *fp, unsigned long entry_ip, struct pt_regs *regs); > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 27 }; > 8249a1c232ade1 Masami Hiramatsu 2022-01-26 28 > > :::::: The code at line 20 was first introduced by commit > :::::: 8249a1c232ade17392af10f640a79a5200744474 fprobe: Add ftrace based probe APIs > > :::::: TO: Masami Hiramatsu <mhiramat@kernel.org> > :::::: CC: Masami Hiramatsu <mhiramat@kernel.org> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
-- Masami Hiramatsu <mhiramat@kernel.org>
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